Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* i915_dma.c -- DMA support for the I915 -*- linux-c -*- |
| 2 | */ |
Dave Airlie | 0d6aa60 | 2006-01-02 20:14:23 +1100 | [diff] [blame] | 3 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. |
| 5 | * All Rights Reserved. |
Dave Airlie | bc54fd1 | 2005-06-23 22:46:46 +1000 | [diff] [blame] | 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 8 | * copy of this software and associated documentation files (the |
| 9 | * "Software"), to deal in the Software without restriction, including |
| 10 | * without limitation the rights to use, copy, modify, merge, publish, |
| 11 | * distribute, sub license, and/or sell copies of the Software, and to |
| 12 | * permit persons to whom the Software is furnished to do so, subject to |
| 13 | * the following conditions: |
| 14 | * |
| 15 | * The above copyright notice and this permission notice (including the |
| 16 | * next paragraph) shall be included in all copies or substantial portions |
| 17 | * of the Software. |
| 18 | * |
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 20 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| 22 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
| 23 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 24 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 25 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 26 | * |
Dave Airlie | 0d6aa60 | 2006-01-02 20:14:23 +1100 | [diff] [blame] | 27 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | |
| 29 | #include "drmP.h" |
| 30 | #include "drm.h" |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 31 | #include "drm_crtc_helper.h" |
Dave Airlie | 785b93e | 2009-08-28 15:46:53 +1000 | [diff] [blame] | 32 | #include "drm_fb_helper.h" |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 33 | #include "intel_drv.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | #include "i915_drm.h" |
| 35 | #include "i915_drv.h" |
Chris Wilson | 1c5d22f | 2009-08-25 11:15:50 +0100 | [diff] [blame] | 36 | #include "i915_trace.h" |
Jordan Crouse | dcdb167 | 2010-05-27 13:40:25 -0600 | [diff] [blame] | 37 | #include <linux/pci.h> |
Dave Airlie | 28d5204 | 2009-09-21 14:33:58 +1000 | [diff] [blame] | 38 | #include <linux/vgaarb.h> |
Zhenyu Wang | c4804411 | 2009-12-17 14:48:43 +0800 | [diff] [blame] | 39 | #include <linux/acpi.h> |
| 40 | #include <linux/pnp.h> |
Dave Airlie | 6a9ee8a | 2010-02-01 15:38:10 +1000 | [diff] [blame] | 41 | #include <linux/vga_switcheroo.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 42 | #include <linux/slab.h> |
Chris Wilson | 44834a6 | 2010-08-19 16:09:23 +0100 | [diff] [blame] | 43 | #include <acpi/video.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
Keith Packard | 398c9cb | 2008-07-30 13:03:43 -0700 | [diff] [blame] | 45 | /** |
| 46 | * Sets up the hardware status page for devices that need a physical address |
| 47 | * in the register. |
| 48 | */ |
Eric Anholt | 3043c60 | 2008-10-02 12:24:47 -0700 | [diff] [blame] | 49 | static int i915_init_phys_hws(struct drm_device *dev) |
Keith Packard | 398c9cb | 2008-07-30 13:03:43 -0700 | [diff] [blame] | 50 | { |
| 51 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 52 | /* Program Hardware Status Page */ |
| 53 | dev_priv->status_page_dmah = |
Zhenyu Wang | e6be8d9 | 2010-01-05 11:25:05 +0800 | [diff] [blame] | 54 | drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE); |
Keith Packard | 398c9cb | 2008-07-30 13:03:43 -0700 | [diff] [blame] | 55 | |
| 56 | if (!dev_priv->status_page_dmah) { |
| 57 | DRM_ERROR("Can not allocate hardware status page\n"); |
| 58 | return -ENOMEM; |
| 59 | } |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 60 | dev_priv->render_ring.status_page.page_addr |
| 61 | = dev_priv->status_page_dmah->vaddr; |
Keith Packard | 398c9cb | 2008-07-30 13:03:43 -0700 | [diff] [blame] | 62 | dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr; |
| 63 | |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 64 | memset(dev_priv->render_ring.status_page.page_addr, 0, PAGE_SIZE); |
Keith Packard | 398c9cb | 2008-07-30 13:03:43 -0700 | [diff] [blame] | 65 | |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 66 | if (INTEL_INFO(dev)->gen >= 4) |
Zhenyu Wang | 9b974cc | 2010-01-05 11:25:06 +0800 | [diff] [blame] | 67 | dev_priv->dma_status_page |= (dev_priv->dma_status_page >> 28) & |
| 68 | 0xf0; |
| 69 | |
Keith Packard | 398c9cb | 2008-07-30 13:03:43 -0700 | [diff] [blame] | 70 | I915_WRITE(HWS_PGA, dev_priv->dma_status_page); |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 71 | DRM_DEBUG_DRIVER("Enabled hardware status page\n"); |
Keith Packard | 398c9cb | 2008-07-30 13:03:43 -0700 | [diff] [blame] | 72 | return 0; |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Frees the hardware status page, whether it's a physical address or a virtual |
| 77 | * address set up by the X Server. |
| 78 | */ |
Eric Anholt | 3043c60 | 2008-10-02 12:24:47 -0700 | [diff] [blame] | 79 | static void i915_free_hws(struct drm_device *dev) |
Keith Packard | 398c9cb | 2008-07-30 13:03:43 -0700 | [diff] [blame] | 80 | { |
| 81 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 82 | if (dev_priv->status_page_dmah) { |
| 83 | drm_pci_free(dev, dev_priv->status_page_dmah); |
| 84 | dev_priv->status_page_dmah = NULL; |
| 85 | } |
| 86 | |
Zou Nan hai | 852835f | 2010-05-21 09:08:56 +0800 | [diff] [blame] | 87 | if (dev_priv->render_ring.status_page.gfx_addr) { |
| 88 | dev_priv->render_ring.status_page.gfx_addr = 0; |
Keith Packard | 398c9cb | 2008-07-30 13:03:43 -0700 | [diff] [blame] | 89 | drm_core_ioremapfree(&dev_priv->hws_map, dev); |
| 90 | } |
| 91 | |
| 92 | /* Need to rewrite hardware status page */ |
| 93 | I915_WRITE(HWS_PGA, 0x1ffff000); |
| 94 | } |
| 95 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 96 | void i915_kernel_lost_context(struct drm_device * dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | { |
| 98 | drm_i915_private_t *dev_priv = dev->dev_private; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 99 | struct drm_i915_master_private *master_priv; |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 100 | struct intel_ring_buffer *ring = &dev_priv->render_ring; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 102 | /* |
| 103 | * We should never lose context on the ring with modesetting |
| 104 | * as we don't expose it to userspace |
| 105 | */ |
| 106 | if (drm_core_check_feature(dev, DRIVER_MODESET)) |
| 107 | return; |
| 108 | |
Jesse Barnes | 585fb11 | 2008-07-29 11:54:06 -0700 | [diff] [blame] | 109 | ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR; |
| 110 | ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | ring->space = ring->head - (ring->tail + 8); |
| 112 | if (ring->space < 0) |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 113 | ring->space += ring->size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 115 | if (!dev->primary->master) |
| 116 | return; |
| 117 | |
| 118 | master_priv = dev->primary->master->driver_priv; |
| 119 | if (ring->head == ring->tail && master_priv->sarea_priv) |
| 120 | master_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | } |
| 122 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 123 | static int i915_dma_cleanup(struct drm_device * dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | { |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 125 | drm_i915_private_t *dev_priv = dev->dev_private; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | /* Make sure interrupts are disabled here because the uninstall ioctl |
| 127 | * may not have been called from userspace and after dev_private |
| 128 | * is freed, it's too late. |
| 129 | */ |
Eric Anholt | ed4cb41 | 2008-07-29 12:10:39 -0700 | [diff] [blame] | 130 | if (dev->irq_enabled) |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 131 | drm_irq_uninstall(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | |
Dan Carpenter | ee0c6bf | 2010-06-23 13:19:55 +0200 | [diff] [blame] | 133 | mutex_lock(&dev->struct_mutex); |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 134 | intel_cleanup_ring_buffer(&dev_priv->render_ring); |
| 135 | intel_cleanup_ring_buffer(&dev_priv->bsd_ring); |
| 136 | intel_cleanup_ring_buffer(&dev_priv->blt_ring); |
Dan Carpenter | ee0c6bf | 2010-06-23 13:19:55 +0200 | [diff] [blame] | 137 | mutex_unlock(&dev->struct_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | |
Keith Packard | 398c9cb | 2008-07-30 13:03:43 -0700 | [diff] [blame] | 139 | /* Clear the HWS virtual address at teardown */ |
| 140 | if (I915_NEED_GFX_HWS(dev)) |
| 141 | i915_free_hws(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | |
| 143 | return 0; |
| 144 | } |
| 145 | |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 146 | static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | { |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 148 | drm_i915_private_t *dev_priv = dev->dev_private; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 149 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | |
Dave Airlie | 3a03ac1 | 2009-01-11 09:03:49 +1000 | [diff] [blame] | 151 | master_priv->sarea = drm_getsarea(dev); |
| 152 | if (master_priv->sarea) { |
| 153 | master_priv->sarea_priv = (drm_i915_sarea_t *) |
| 154 | ((u8 *)master_priv->sarea->handle + init->sarea_priv_offset); |
| 155 | } else { |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 156 | DRM_DEBUG_DRIVER("sarea not found assuming DRI2 userspace\n"); |
Dave Airlie | 3a03ac1 | 2009-01-11 09:03:49 +1000 | [diff] [blame] | 157 | } |
| 158 | |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 159 | if (init->ring_size != 0) { |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 160 | if (dev_priv->render_ring.gem_object != NULL) { |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 161 | i915_dma_cleanup(dev); |
| 162 | DRM_ERROR("Client tried to initialize ringbuffer in " |
| 163 | "GEM mode\n"); |
| 164 | return -EINVAL; |
| 165 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 167 | dev_priv->render_ring.size = init->ring_size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | |
Eric Anholt | d3301d8 | 2010-05-21 13:55:54 -0700 | [diff] [blame] | 169 | dev_priv->render_ring.map.offset = init->ring_start; |
| 170 | dev_priv->render_ring.map.size = init->ring_size; |
| 171 | dev_priv->render_ring.map.type = 0; |
| 172 | dev_priv->render_ring.map.flags = 0; |
| 173 | dev_priv->render_ring.map.mtrr = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | |
Eric Anholt | d3301d8 | 2010-05-21 13:55:54 -0700 | [diff] [blame] | 175 | drm_core_ioremap_wc(&dev_priv->render_ring.map, dev); |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 176 | |
Eric Anholt | d3301d8 | 2010-05-21 13:55:54 -0700 | [diff] [blame] | 177 | if (dev_priv->render_ring.map.handle == NULL) { |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 178 | i915_dma_cleanup(dev); |
| 179 | DRM_ERROR("can not ioremap virtual address for" |
| 180 | " ring buffer\n"); |
| 181 | return -ENOMEM; |
| 182 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | } |
| 184 | |
Eric Anholt | d3301d8 | 2010-05-21 13:55:54 -0700 | [diff] [blame] | 185 | dev_priv->render_ring.virtual_start = dev_priv->render_ring.map.handle; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | |
=?utf-8?q?Michel_D=C3=A4nzer?= | a6b54f3 | 2006-10-24 23:37:43 +1000 | [diff] [blame] | 187 | dev_priv->cpp = init->cpp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | dev_priv->back_offset = init->back_offset; |
| 189 | dev_priv->front_offset = init->front_offset; |
| 190 | dev_priv->current_page = 0; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 191 | if (master_priv->sarea_priv) |
| 192 | master_priv->sarea_priv->pf_current_page = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 | /* Allow hardware batchbuffers unless told otherwise. |
| 195 | */ |
| 196 | dev_priv->allow_batchbuffer = 1; |
| 197 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | return 0; |
| 199 | } |
| 200 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 201 | static int i915_dma_resume(struct drm_device * dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 202 | { |
| 203 | drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; |
| 204 | |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 205 | struct intel_ring_buffer *ring; |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 206 | DRM_DEBUG_DRIVER("%s\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 208 | ring = &dev_priv->render_ring; |
| 209 | |
| 210 | if (ring->map.handle == NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | DRM_ERROR("can not ioremap virtual address for" |
| 212 | " ring buffer\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 213 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | } |
| 215 | |
| 216 | /* Program Hardware Status Page */ |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 217 | if (!ring->status_page.page_addr) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 218 | DRM_ERROR("Can not find hardware status page\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 219 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | } |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 221 | DRM_DEBUG_DRIVER("hw status page @ %p\n", |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 222 | ring->status_page.page_addr); |
| 223 | if (ring->status_page.gfx_addr != 0) |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 224 | intel_ring_setup_status_page(ring); |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 225 | else |
Jesse Barnes | 585fb11 | 2008-07-29 11:54:06 -0700 | [diff] [blame] | 226 | I915_WRITE(HWS_PGA, dev_priv->dma_status_page); |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 227 | |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 228 | DRM_DEBUG_DRIVER("Enabled hardware status page\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | |
| 230 | return 0; |
| 231 | } |
| 232 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 233 | static int i915_dma_init(struct drm_device *dev, void *data, |
| 234 | struct drm_file *file_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 235 | { |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 236 | drm_i915_init_t *init = data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | int retcode = 0; |
| 238 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 239 | switch (init->func) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 240 | case I915_INIT_DMA: |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 241 | retcode = i915_initialize(dev, init); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 242 | break; |
| 243 | case I915_CLEANUP_DMA: |
| 244 | retcode = i915_dma_cleanup(dev); |
| 245 | break; |
| 246 | case I915_RESUME_DMA: |
Dave Airlie | 0d6aa60 | 2006-01-02 20:14:23 +1100 | [diff] [blame] | 247 | retcode = i915_dma_resume(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | break; |
| 249 | default: |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 250 | retcode = -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 251 | break; |
| 252 | } |
| 253 | |
| 254 | return retcode; |
| 255 | } |
| 256 | |
| 257 | /* Implement basically the same security restrictions as hardware does |
| 258 | * for MI_BATCH_NON_SECURE. These can be made stricter at any time. |
| 259 | * |
| 260 | * Most of the calculations below involve calculating the size of a |
| 261 | * particular instruction. It's important to get the size right as |
| 262 | * that tells us where the next instruction to check is. Any illegal |
| 263 | * instruction detected will be given a size of zero, which is a |
| 264 | * signal to abort the rest of the buffer. |
| 265 | */ |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 266 | static int validate_cmd(int cmd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | { |
| 268 | switch (((cmd >> 29) & 0x7)) { |
| 269 | case 0x0: |
| 270 | switch ((cmd >> 23) & 0x3f) { |
| 271 | case 0x0: |
| 272 | return 1; /* MI_NOOP */ |
| 273 | case 0x4: |
| 274 | return 1; /* MI_FLUSH */ |
| 275 | default: |
| 276 | return 0; /* disallow everything else */ |
| 277 | } |
| 278 | break; |
| 279 | case 0x1: |
| 280 | return 0; /* reserved */ |
| 281 | case 0x2: |
| 282 | return (cmd & 0xff) + 2; /* 2d commands */ |
| 283 | case 0x3: |
| 284 | if (((cmd >> 24) & 0x1f) <= 0x18) |
| 285 | return 1; |
| 286 | |
| 287 | switch ((cmd >> 24) & 0x1f) { |
| 288 | case 0x1c: |
| 289 | return 1; |
| 290 | case 0x1d: |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 291 | switch ((cmd >> 16) & 0xff) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | case 0x3: |
| 293 | return (cmd & 0x1f) + 2; |
| 294 | case 0x4: |
| 295 | return (cmd & 0xf) + 2; |
| 296 | default: |
| 297 | return (cmd & 0xffff) + 2; |
| 298 | } |
| 299 | case 0x1e: |
| 300 | if (cmd & (1 << 23)) |
| 301 | return (cmd & 0xffff) + 1; |
| 302 | else |
| 303 | return 1; |
| 304 | case 0x1f: |
| 305 | if ((cmd & (1 << 23)) == 0) /* inline vertices */ |
| 306 | return (cmd & 0x1ffff) + 2; |
| 307 | else if (cmd & (1 << 17)) /* indirect random */ |
| 308 | if ((cmd & 0xffff) == 0) |
| 309 | return 0; /* unknown length, too hard */ |
| 310 | else |
| 311 | return (((cmd & 0xffff) + 1) / 2) + 1; |
| 312 | else |
| 313 | return 2; /* indirect sequential */ |
| 314 | default: |
| 315 | return 0; |
| 316 | } |
| 317 | default: |
| 318 | return 0; |
| 319 | } |
| 320 | |
| 321 | return 0; |
| 322 | } |
| 323 | |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 324 | static int i915_emit_cmds(struct drm_device * dev, int *buffer, int dwords) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 325 | { |
| 326 | drm_i915_private_t *dev_priv = dev->dev_private; |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 327 | int i, ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 329 | if ((dwords+1) * sizeof(int) >= dev_priv->render_ring.size - 8) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 330 | return -EINVAL; |
Dave Airlie | de227f5 | 2006-01-25 15:31:43 +1100 | [diff] [blame] | 331 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 332 | for (i = 0; i < dwords;) { |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 333 | int sz = validate_cmd(buffer[i]); |
| 334 | if (sz == 0 || i + sz > dwords) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 335 | return -EINVAL; |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 336 | i += sz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 337 | } |
| 338 | |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 339 | ret = BEGIN_LP_RING((dwords+1)&~1); |
| 340 | if (ret) |
| 341 | return ret; |
| 342 | |
| 343 | for (i = 0; i < dwords; i++) |
| 344 | OUT_RING(buffer[i]); |
Dave Airlie | de227f5 | 2006-01-25 15:31:43 +1100 | [diff] [blame] | 345 | if (dwords & 1) |
| 346 | OUT_RING(0); |
| 347 | |
| 348 | ADVANCE_LP_RING(); |
| 349 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | return 0; |
| 351 | } |
| 352 | |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 353 | int |
| 354 | i915_emit_box(struct drm_device *dev, |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 355 | struct drm_clip_rect *boxes, |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 356 | int i, int DR1, int DR4) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | { |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 358 | struct drm_i915_private *dev_priv = dev->dev_private; |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 359 | struct drm_clip_rect box = boxes[i]; |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 360 | int ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | if (box.y2 <= box.y1 || box.x2 <= box.x1 || box.y2 <= 0 || box.x2 <= 0) { |
| 363 | DRM_ERROR("Bad box %d,%d..%d,%d\n", |
| 364 | box.x1, box.y1, box.x2, box.y2); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 365 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | } |
| 367 | |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 368 | if (INTEL_INFO(dev)->gen >= 4) { |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 369 | ret = BEGIN_LP_RING(4); |
| 370 | if (ret) |
| 371 | return ret; |
| 372 | |
Alan Hourihane | c29b669 | 2006-08-12 16:29:24 +1000 | [diff] [blame] | 373 | OUT_RING(GFX_OP_DRAWRECT_INFO_I965); |
| 374 | OUT_RING((box.x1 & 0xffff) | (box.y1 << 16)); |
Andrew Morton | 78eca43 | 2006-08-16 09:15:51 +1000 | [diff] [blame] | 375 | OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16)); |
Alan Hourihane | c29b669 | 2006-08-12 16:29:24 +1000 | [diff] [blame] | 376 | OUT_RING(DR4); |
Alan Hourihane | c29b669 | 2006-08-12 16:29:24 +1000 | [diff] [blame] | 377 | } else { |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 378 | ret = BEGIN_LP_RING(6); |
| 379 | if (ret) |
| 380 | return ret; |
| 381 | |
Alan Hourihane | c29b669 | 2006-08-12 16:29:24 +1000 | [diff] [blame] | 382 | OUT_RING(GFX_OP_DRAWRECT_INFO); |
| 383 | OUT_RING(DR1); |
| 384 | OUT_RING((box.x1 & 0xffff) | (box.y1 << 16)); |
| 385 | OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16)); |
| 386 | OUT_RING(DR4); |
| 387 | OUT_RING(0); |
Alan Hourihane | c29b669 | 2006-08-12 16:29:24 +1000 | [diff] [blame] | 388 | } |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 389 | ADVANCE_LP_RING(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | |
| 391 | return 0; |
| 392 | } |
| 393 | |
Alan Hourihane | c29b669 | 2006-08-12 16:29:24 +1000 | [diff] [blame] | 394 | /* XXX: Emitting the counter should really be moved to part of the IRQ |
| 395 | * emit. For now, do it in both places: |
| 396 | */ |
| 397 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 398 | static void i915_emit_breadcrumb(struct drm_device *dev) |
Dave Airlie | de227f5 | 2006-01-25 15:31:43 +1100 | [diff] [blame] | 399 | { |
| 400 | drm_i915_private_t *dev_priv = dev->dev_private; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 401 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
Dave Airlie | de227f5 | 2006-01-25 15:31:43 +1100 | [diff] [blame] | 402 | |
Kristian Høgsberg | c99b058 | 2008-08-20 11:20:13 -0400 | [diff] [blame] | 403 | dev_priv->counter++; |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 404 | if (dev_priv->counter > 0x7FFFFFFFUL) |
Kristian Høgsberg | c99b058 | 2008-08-20 11:20:13 -0400 | [diff] [blame] | 405 | dev_priv->counter = 0; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 406 | if (master_priv->sarea_priv) |
| 407 | master_priv->sarea_priv->last_enqueue = dev_priv->counter; |
Dave Airlie | de227f5 | 2006-01-25 15:31:43 +1100 | [diff] [blame] | 408 | |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 409 | if (BEGIN_LP_RING(4) == 0) { |
| 410 | OUT_RING(MI_STORE_DWORD_INDEX); |
| 411 | OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT); |
| 412 | OUT_RING(dev_priv->counter); |
| 413 | OUT_RING(0); |
| 414 | ADVANCE_LP_RING(); |
| 415 | } |
Dave Airlie | de227f5 | 2006-01-25 15:31:43 +1100 | [diff] [blame] | 416 | } |
| 417 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 418 | static int i915_dispatch_cmdbuffer(struct drm_device * dev, |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 419 | drm_i915_cmdbuffer_t *cmd, |
| 420 | struct drm_clip_rect *cliprects, |
| 421 | void *cmdbuf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 422 | { |
| 423 | int nbox = cmd->num_cliprects; |
| 424 | int i = 0, count, ret; |
| 425 | |
| 426 | if (cmd->sz & 0x3) { |
| 427 | DRM_ERROR("alignment"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 428 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | } |
| 430 | |
| 431 | i915_kernel_lost_context(dev); |
| 432 | |
| 433 | count = nbox ? nbox : 1; |
| 434 | |
| 435 | for (i = 0; i < count; i++) { |
| 436 | if (i < nbox) { |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 437 | ret = i915_emit_box(dev, cliprects, i, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 438 | cmd->DR1, cmd->DR4); |
| 439 | if (ret) |
| 440 | return ret; |
| 441 | } |
| 442 | |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 443 | ret = i915_emit_cmds(dev, cmdbuf, cmd->sz / 4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 444 | if (ret) |
| 445 | return ret; |
| 446 | } |
| 447 | |
Dave Airlie | de227f5 | 2006-01-25 15:31:43 +1100 | [diff] [blame] | 448 | i915_emit_breadcrumb(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | return 0; |
| 450 | } |
| 451 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 452 | static int i915_dispatch_batchbuffer(struct drm_device * dev, |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 453 | drm_i915_batchbuffer_t * batch, |
| 454 | struct drm_clip_rect *cliprects) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | { |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 456 | struct drm_i915_private *dev_priv = dev->dev_private; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | int nbox = batch->num_cliprects; |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 458 | int i, count, ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 459 | |
| 460 | if ((batch->start | batch->used) & 0x7) { |
| 461 | DRM_ERROR("alignment"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 462 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 463 | } |
| 464 | |
| 465 | i915_kernel_lost_context(dev); |
| 466 | |
| 467 | count = nbox ? nbox : 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | for (i = 0; i < count; i++) { |
| 469 | if (i < nbox) { |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 470 | ret = i915_emit_box(dev, cliprects, i, |
| 471 | batch->DR1, batch->DR4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 472 | if (ret) |
| 473 | return ret; |
| 474 | } |
| 475 | |
Keith Packard | 0790d5e | 2008-07-30 12:28:47 -0700 | [diff] [blame] | 476 | if (!IS_I830(dev) && !IS_845G(dev)) { |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 477 | ret = BEGIN_LP_RING(2); |
| 478 | if (ret) |
| 479 | return ret; |
| 480 | |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 481 | if (INTEL_INFO(dev)->gen >= 4) { |
Dave Airlie | 21f1628 | 2007-08-07 09:09:51 +1000 | [diff] [blame] | 482 | OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965); |
| 483 | OUT_RING(batch->start); |
| 484 | } else { |
| 485 | OUT_RING(MI_BATCH_BUFFER_START | (2 << 6)); |
| 486 | OUT_RING(batch->start | MI_BATCH_NON_SECURE); |
| 487 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | } else { |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 489 | ret = BEGIN_LP_RING(4); |
| 490 | if (ret) |
| 491 | return ret; |
| 492 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 493 | OUT_RING(MI_BATCH_BUFFER); |
| 494 | OUT_RING(batch->start | MI_BATCH_NON_SECURE); |
| 495 | OUT_RING(batch->start + batch->used - 4); |
| 496 | OUT_RING(0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 497 | } |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 498 | ADVANCE_LP_RING(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 499 | } |
| 500 | |
Zou Nan hai | 1cafd34 | 2010-06-25 13:40:24 +0800 | [diff] [blame] | 501 | |
Chris Wilson | f00a3dd | 2010-10-21 14:57:17 +0100 | [diff] [blame] | 502 | if (IS_G4X(dev) || IS_GEN5(dev)) { |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 503 | if (BEGIN_LP_RING(2) == 0) { |
| 504 | OUT_RING(MI_FLUSH | MI_NO_WRITE_FLUSH | MI_INVALIDATE_ISP); |
| 505 | OUT_RING(MI_NOOP); |
| 506 | ADVANCE_LP_RING(); |
| 507 | } |
Zou Nan hai | 1cafd34 | 2010-06-25 13:40:24 +0800 | [diff] [blame] | 508 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 509 | |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 510 | i915_emit_breadcrumb(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 511 | return 0; |
| 512 | } |
| 513 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 514 | static int i915_dispatch_flip(struct drm_device * dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 515 | { |
| 516 | drm_i915_private_t *dev_priv = dev->dev_private; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 517 | struct drm_i915_master_private *master_priv = |
| 518 | dev->primary->master->driver_priv; |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 519 | int ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 521 | if (!master_priv->sarea_priv) |
Kristian Høgsberg | c99b058 | 2008-08-20 11:20:13 -0400 | [diff] [blame] | 522 | return -EINVAL; |
| 523 | |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 524 | DRM_DEBUG_DRIVER("%s: page=%d pfCurrentPage=%d\n", |
yakui_zhao | be25ed9 | 2009-06-02 14:13:55 +0800 | [diff] [blame] | 525 | __func__, |
| 526 | dev_priv->current_page, |
| 527 | master_priv->sarea_priv->pf_current_page); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 528 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 529 | i915_kernel_lost_context(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 530 | |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 531 | ret = BEGIN_LP_RING(10); |
| 532 | if (ret) |
| 533 | return ret; |
| 534 | |
Jesse Barnes | 585fb11 | 2008-07-29 11:54:06 -0700 | [diff] [blame] | 535 | OUT_RING(MI_FLUSH | MI_READ_FLUSH); |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 536 | OUT_RING(0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 537 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 538 | OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP); |
| 539 | OUT_RING(0); |
| 540 | if (dev_priv->current_page == 0) { |
| 541 | OUT_RING(dev_priv->back_offset); |
| 542 | dev_priv->current_page = 1; |
| 543 | } else { |
| 544 | OUT_RING(dev_priv->front_offset); |
| 545 | dev_priv->current_page = 0; |
| 546 | } |
| 547 | OUT_RING(0); |
Jesse Barnes | ac741ab | 2008-04-22 16:03:07 +1000 | [diff] [blame] | 548 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 549 | OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP); |
| 550 | OUT_RING(0); |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 551 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 552 | ADVANCE_LP_RING(); |
Jesse Barnes | ac741ab | 2008-04-22 16:03:07 +1000 | [diff] [blame] | 553 | |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 554 | master_priv->sarea_priv->last_enqueue = dev_priv->counter++; |
Jesse Barnes | ac741ab | 2008-04-22 16:03:07 +1000 | [diff] [blame] | 555 | |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 556 | if (BEGIN_LP_RING(4) == 0) { |
| 557 | OUT_RING(MI_STORE_DWORD_INDEX); |
| 558 | OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT); |
| 559 | OUT_RING(dev_priv->counter); |
| 560 | OUT_RING(0); |
| 561 | ADVANCE_LP_RING(); |
| 562 | } |
Jesse Barnes | ac741ab | 2008-04-22 16:03:07 +1000 | [diff] [blame] | 563 | |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 564 | master_priv->sarea_priv->pf_current_page = dev_priv->current_page; |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 565 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 566 | } |
| 567 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 568 | static int i915_quiescent(struct drm_device * dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 569 | { |
| 570 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 571 | |
| 572 | i915_kernel_lost_context(dev); |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 573 | return intel_wait_ring_buffer(&dev_priv->render_ring, |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 574 | dev_priv->render_ring.size - 8); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 575 | } |
| 576 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 577 | static int i915_flush_ioctl(struct drm_device *dev, void *data, |
| 578 | struct drm_file *file_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 579 | { |
Eric Anholt | 546b097 | 2008-09-01 16:45:29 -0700 | [diff] [blame] | 580 | int ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 581 | |
Eric Anholt | 546b097 | 2008-09-01 16:45:29 -0700 | [diff] [blame] | 582 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); |
| 583 | |
| 584 | mutex_lock(&dev->struct_mutex); |
| 585 | ret = i915_quiescent(dev); |
| 586 | mutex_unlock(&dev->struct_mutex); |
| 587 | |
| 588 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 589 | } |
| 590 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 591 | static int i915_batchbuffer(struct drm_device *dev, void *data, |
| 592 | struct drm_file *file_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 593 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 594 | drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 595 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 596 | drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 597 | master_priv->sarea_priv; |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 598 | drm_i915_batchbuffer_t *batch = data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 599 | int ret; |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 600 | struct drm_clip_rect *cliprects = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 601 | |
| 602 | if (!dev_priv->allow_batchbuffer) { |
| 603 | DRM_ERROR("Batchbuffer ioctl disabled\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 604 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 605 | } |
| 606 | |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 607 | DRM_DEBUG_DRIVER("i915 batchbuffer, start %x used %d cliprects %d\n", |
yakui_zhao | be25ed9 | 2009-06-02 14:13:55 +0800 | [diff] [blame] | 608 | batch->start, batch->used, batch->num_cliprects); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | |
Eric Anholt | 546b097 | 2008-09-01 16:45:29 -0700 | [diff] [blame] | 610 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 611 | |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 612 | if (batch->num_cliprects < 0) |
| 613 | return -EINVAL; |
| 614 | |
| 615 | if (batch->num_cliprects) { |
Eric Anholt | 9a298b2 | 2009-03-24 12:23:04 -0700 | [diff] [blame] | 616 | cliprects = kcalloc(batch->num_cliprects, |
| 617 | sizeof(struct drm_clip_rect), |
| 618 | GFP_KERNEL); |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 619 | if (cliprects == NULL) |
| 620 | return -ENOMEM; |
| 621 | |
| 622 | ret = copy_from_user(cliprects, batch->cliprects, |
| 623 | batch->num_cliprects * |
| 624 | sizeof(struct drm_clip_rect)); |
Dan Carpenter | 9927a40 | 2010-06-19 15:12:51 +0200 | [diff] [blame] | 625 | if (ret != 0) { |
| 626 | ret = -EFAULT; |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 627 | goto fail_free; |
Dan Carpenter | 9927a40 | 2010-06-19 15:12:51 +0200 | [diff] [blame] | 628 | } |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 629 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 630 | |
Eric Anholt | 546b097 | 2008-09-01 16:45:29 -0700 | [diff] [blame] | 631 | mutex_lock(&dev->struct_mutex); |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 632 | ret = i915_dispatch_batchbuffer(dev, batch, cliprects); |
Eric Anholt | 546b097 | 2008-09-01 16:45:29 -0700 | [diff] [blame] | 633 | mutex_unlock(&dev->struct_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 634 | |
Kristian Høgsberg | c99b058 | 2008-08-20 11:20:13 -0400 | [diff] [blame] | 635 | if (sarea_priv) |
Keith Packard | 0baf823 | 2008-11-08 11:44:14 +1000 | [diff] [blame] | 636 | sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 637 | |
| 638 | fail_free: |
Eric Anholt | 9a298b2 | 2009-03-24 12:23:04 -0700 | [diff] [blame] | 639 | kfree(cliprects); |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 640 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 641 | return ret; |
| 642 | } |
| 643 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 644 | static int i915_cmdbuffer(struct drm_device *dev, void *data, |
| 645 | struct drm_file *file_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 646 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 647 | drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 648 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 649 | drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 650 | master_priv->sarea_priv; |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 651 | drm_i915_cmdbuffer_t *cmdbuf = data; |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 652 | struct drm_clip_rect *cliprects = NULL; |
| 653 | void *batch_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 654 | int ret; |
| 655 | |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 656 | DRM_DEBUG_DRIVER("i915 cmdbuffer, buf %p sz %d cliprects %d\n", |
yakui_zhao | be25ed9 | 2009-06-02 14:13:55 +0800 | [diff] [blame] | 657 | cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 658 | |
Eric Anholt | 546b097 | 2008-09-01 16:45:29 -0700 | [diff] [blame] | 659 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 660 | |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 661 | if (cmdbuf->num_cliprects < 0) |
| 662 | return -EINVAL; |
| 663 | |
Eric Anholt | 9a298b2 | 2009-03-24 12:23:04 -0700 | [diff] [blame] | 664 | batch_data = kmalloc(cmdbuf->sz, GFP_KERNEL); |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 665 | if (batch_data == NULL) |
| 666 | return -ENOMEM; |
| 667 | |
| 668 | ret = copy_from_user(batch_data, cmdbuf->buf, cmdbuf->sz); |
Dan Carpenter | 9927a40 | 2010-06-19 15:12:51 +0200 | [diff] [blame] | 669 | if (ret != 0) { |
| 670 | ret = -EFAULT; |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 671 | goto fail_batch_free; |
Dan Carpenter | 9927a40 | 2010-06-19 15:12:51 +0200 | [diff] [blame] | 672 | } |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 673 | |
| 674 | if (cmdbuf->num_cliprects) { |
Eric Anholt | 9a298b2 | 2009-03-24 12:23:04 -0700 | [diff] [blame] | 675 | cliprects = kcalloc(cmdbuf->num_cliprects, |
| 676 | sizeof(struct drm_clip_rect), GFP_KERNEL); |
Owain Ainsworth | a40e8d3 | 2010-02-09 14:25:55 +0000 | [diff] [blame] | 677 | if (cliprects == NULL) { |
| 678 | ret = -ENOMEM; |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 679 | goto fail_batch_free; |
Owain Ainsworth | a40e8d3 | 2010-02-09 14:25:55 +0000 | [diff] [blame] | 680 | } |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 681 | |
| 682 | ret = copy_from_user(cliprects, cmdbuf->cliprects, |
| 683 | cmdbuf->num_cliprects * |
| 684 | sizeof(struct drm_clip_rect)); |
Dan Carpenter | 9927a40 | 2010-06-19 15:12:51 +0200 | [diff] [blame] | 685 | if (ret != 0) { |
| 686 | ret = -EFAULT; |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 687 | goto fail_clip_free; |
Dan Carpenter | 9927a40 | 2010-06-19 15:12:51 +0200 | [diff] [blame] | 688 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | } |
| 690 | |
Eric Anholt | 546b097 | 2008-09-01 16:45:29 -0700 | [diff] [blame] | 691 | mutex_lock(&dev->struct_mutex); |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 692 | ret = i915_dispatch_cmdbuffer(dev, cmdbuf, cliprects, batch_data); |
Eric Anholt | 546b097 | 2008-09-01 16:45:29 -0700 | [diff] [blame] | 693 | mutex_unlock(&dev->struct_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 694 | if (ret) { |
| 695 | DRM_ERROR("i915_dispatch_cmdbuffer failed\n"); |
Chris Wright | 355d7f3 | 2009-04-17 01:18:55 +0000 | [diff] [blame] | 696 | goto fail_clip_free; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | } |
| 698 | |
Kristian Høgsberg | c99b058 | 2008-08-20 11:20:13 -0400 | [diff] [blame] | 699 | if (sarea_priv) |
Keith Packard | 0baf823 | 2008-11-08 11:44:14 +1000 | [diff] [blame] | 700 | sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 701 | |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 702 | fail_clip_free: |
Eric Anholt | 9a298b2 | 2009-03-24 12:23:04 -0700 | [diff] [blame] | 703 | kfree(cliprects); |
Chris Wright | 355d7f3 | 2009-04-17 01:18:55 +0000 | [diff] [blame] | 704 | fail_batch_free: |
Eric Anholt | 9a298b2 | 2009-03-24 12:23:04 -0700 | [diff] [blame] | 705 | kfree(batch_data); |
Eric Anholt | 201361a | 2009-03-11 12:30:04 -0700 | [diff] [blame] | 706 | |
| 707 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 708 | } |
| 709 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 710 | static int i915_flip_bufs(struct drm_device *dev, void *data, |
| 711 | struct drm_file *file_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 712 | { |
Eric Anholt | 546b097 | 2008-09-01 16:45:29 -0700 | [diff] [blame] | 713 | int ret; |
| 714 | |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 715 | DRM_DEBUG_DRIVER("%s\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 716 | |
Eric Anholt | 546b097 | 2008-09-01 16:45:29 -0700 | [diff] [blame] | 717 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 718 | |
Eric Anholt | 546b097 | 2008-09-01 16:45:29 -0700 | [diff] [blame] | 719 | mutex_lock(&dev->struct_mutex); |
| 720 | ret = i915_dispatch_flip(dev); |
| 721 | mutex_unlock(&dev->struct_mutex); |
| 722 | |
| 723 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 724 | } |
| 725 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 726 | static int i915_getparam(struct drm_device *dev, void *data, |
| 727 | struct drm_file *file_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 728 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 729 | drm_i915_private_t *dev_priv = dev->dev_private; |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 730 | drm_i915_getparam_t *param = data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 731 | int value; |
| 732 | |
| 733 | if (!dev_priv) { |
Márton Németh | 3e684ea | 2008-01-24 15:58:57 +1000 | [diff] [blame] | 734 | DRM_ERROR("called with no initialization\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 735 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 736 | } |
| 737 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 738 | switch (param->param) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 739 | case I915_PARAM_IRQ_ACTIVE: |
Jesse Barnes | 0a3e67a | 2008-09-30 12:14:26 -0700 | [diff] [blame] | 740 | value = dev->pdev->irq ? 1 : 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 741 | break; |
| 742 | case I915_PARAM_ALLOW_BATCHBUFFER: |
| 743 | value = dev_priv->allow_batchbuffer ? 1 : 0; |
| 744 | break; |
Dave Airlie | 0d6aa60 | 2006-01-02 20:14:23 +1100 | [diff] [blame] | 745 | case I915_PARAM_LAST_DISPATCH: |
| 746 | value = READ_BREADCRUMB(dev_priv); |
| 747 | break; |
Kristian Høgsberg | ed4c9c4 | 2008-08-20 11:08:52 -0400 | [diff] [blame] | 748 | case I915_PARAM_CHIPSET_ID: |
| 749 | value = dev->pci_device; |
| 750 | break; |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 751 | case I915_PARAM_HAS_GEM: |
Dave Airlie | ac5c4e7 | 2008-12-19 15:38:34 +1000 | [diff] [blame] | 752 | value = dev_priv->has_gem; |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 753 | break; |
Jesse Barnes | 0f973f2 | 2009-01-26 17:10:45 -0800 | [diff] [blame] | 754 | case I915_PARAM_NUM_FENCES_AVAIL: |
| 755 | value = dev_priv->num_fence_regs - dev_priv->fence_reg_start; |
| 756 | break; |
Daniel Vetter | 02e792f | 2009-09-15 22:57:34 +0200 | [diff] [blame] | 757 | case I915_PARAM_HAS_OVERLAY: |
| 758 | value = dev_priv->overlay ? 1 : 0; |
| 759 | break; |
Jesse Barnes | e9560f7 | 2009-11-19 10:49:07 -0800 | [diff] [blame] | 760 | case I915_PARAM_HAS_PAGEFLIPPING: |
| 761 | value = 1; |
| 762 | break; |
Jesse Barnes | 76446ca | 2009-12-17 22:05:42 -0500 | [diff] [blame] | 763 | case I915_PARAM_HAS_EXECBUF2: |
| 764 | /* depends on GEM */ |
| 765 | value = dev_priv->has_gem; |
| 766 | break; |
Zou Nan hai | e3a815f | 2010-05-31 13:58:47 +0800 | [diff] [blame] | 767 | case I915_PARAM_HAS_BSD: |
| 768 | value = HAS_BSD(dev); |
| 769 | break; |
Chris Wilson | 549f736 | 2010-10-19 11:19:32 +0100 | [diff] [blame] | 770 | case I915_PARAM_HAS_BLT: |
| 771 | value = HAS_BLT(dev); |
| 772 | break; |
Chris Wilson | a00b10c | 2010-09-24 21:15:47 +0100 | [diff] [blame^] | 773 | case I915_PARAM_HAS_RELAXED_FENCING: |
| 774 | value = 1; |
| 775 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 776 | default: |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 777 | DRM_DEBUG_DRIVER("Unknown parameter %d\n", |
Jesse Barnes | 76446ca | 2009-12-17 22:05:42 -0500 | [diff] [blame] | 778 | param->param); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 779 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 780 | } |
| 781 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 782 | if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 783 | DRM_ERROR("DRM_COPY_TO_USER failed\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 784 | return -EFAULT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 785 | } |
| 786 | |
| 787 | return 0; |
| 788 | } |
| 789 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 790 | static int i915_setparam(struct drm_device *dev, void *data, |
| 791 | struct drm_file *file_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 792 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 793 | drm_i915_private_t *dev_priv = dev->dev_private; |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 794 | drm_i915_setparam_t *param = data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 795 | |
| 796 | if (!dev_priv) { |
Márton Németh | 3e684ea | 2008-01-24 15:58:57 +1000 | [diff] [blame] | 797 | DRM_ERROR("called with no initialization\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 798 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 799 | } |
| 800 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 801 | switch (param->param) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 802 | case I915_SETPARAM_USE_MI_BATCHBUFFER_START: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 803 | break; |
| 804 | case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY: |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 805 | dev_priv->tex_lru_log_granularity = param->value; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 806 | break; |
| 807 | case I915_SETPARAM_ALLOW_BATCHBUFFER: |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 808 | dev_priv->allow_batchbuffer = param->value; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 809 | break; |
Jesse Barnes | 0f973f2 | 2009-01-26 17:10:45 -0800 | [diff] [blame] | 810 | case I915_SETPARAM_NUM_USED_FENCES: |
| 811 | if (param->value > dev_priv->num_fence_regs || |
| 812 | param->value < 0) |
| 813 | return -EINVAL; |
| 814 | /* Userspace can use first N regs */ |
| 815 | dev_priv->fence_reg_start = param->value; |
| 816 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 817 | default: |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 818 | DRM_DEBUG_DRIVER("unknown parameter %d\n", |
yakui_zhao | be25ed9 | 2009-06-02 14:13:55 +0800 | [diff] [blame] | 819 | param->param); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 820 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 821 | } |
| 822 | |
| 823 | return 0; |
| 824 | } |
| 825 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 826 | static int i915_set_status_page(struct drm_device *dev, void *data, |
| 827 | struct drm_file *file_priv) |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 828 | { |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 829 | drm_i915_private_t *dev_priv = dev->dev_private; |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 830 | drm_i915_hws_addr_t *hws = data; |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 831 | struct intel_ring_buffer *ring = &dev_priv->render_ring; |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 832 | |
Zhenyu Wang | b39d50e | 2008-02-19 20:59:09 +1000 | [diff] [blame] | 833 | if (!I915_NEED_GFX_HWS(dev)) |
| 834 | return -EINVAL; |
| 835 | |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 836 | if (!dev_priv) { |
Márton Németh | 3e684ea | 2008-01-24 15:58:57 +1000 | [diff] [blame] | 837 | DRM_ERROR("called with no initialization\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 838 | return -EINVAL; |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 839 | } |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 840 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 841 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
| 842 | WARN(1, "tried to set status page when mode setting active\n"); |
| 843 | return 0; |
| 844 | } |
| 845 | |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 846 | DRM_DEBUG_DRIVER("set status page addr 0x%08x\n", (u32)hws->addr); |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 847 | |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 848 | ring->status_page.gfx_addr = hws->addr & (0x1ffff<<12); |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 849 | |
Eric Anholt | 8b40958 | 2007-11-22 16:40:37 +1000 | [diff] [blame] | 850 | dev_priv->hws_map.offset = dev->agp->base + hws->addr; |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 851 | dev_priv->hws_map.size = 4*1024; |
| 852 | dev_priv->hws_map.type = 0; |
| 853 | dev_priv->hws_map.flags = 0; |
| 854 | dev_priv->hws_map.mtrr = 0; |
| 855 | |
Dave Airlie | dd0910b | 2009-02-25 14:49:21 +1000 | [diff] [blame] | 856 | drm_core_ioremap_wc(&dev_priv->hws_map, dev); |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 857 | if (dev_priv->hws_map.handle == NULL) { |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 858 | i915_dma_cleanup(dev); |
Eric Anholt | e20f9c6 | 2010-05-26 14:51:06 -0700 | [diff] [blame] | 859 | ring->status_page.gfx_addr = 0; |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 860 | DRM_ERROR("can not ioremap virtual address for" |
| 861 | " G33 hw status page\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 862 | return -ENOMEM; |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 863 | } |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 864 | ring->status_page.page_addr = dev_priv->hws_map.handle; |
| 865 | memset(ring->status_page.page_addr, 0, PAGE_SIZE); |
| 866 | I915_WRITE(HWS_PGA, ring->status_page.gfx_addr); |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 867 | |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 868 | DRM_DEBUG_DRIVER("load hws HWS_PGA with gfx mem 0x%x\n", |
Eric Anholt | e20f9c6 | 2010-05-26 14:51:06 -0700 | [diff] [blame] | 869 | ring->status_page.gfx_addr); |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 870 | DRM_DEBUG_DRIVER("load hws at %p\n", |
Eric Anholt | e20f9c6 | 2010-05-26 14:51:06 -0700 | [diff] [blame] | 871 | ring->status_page.page_addr); |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 872 | return 0; |
| 873 | } |
| 874 | |
Dave Airlie | ec2a4c3 | 2009-08-04 11:43:41 +1000 | [diff] [blame] | 875 | static int i915_get_bridge_dev(struct drm_device *dev) |
| 876 | { |
| 877 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 878 | |
| 879 | dev_priv->bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0,0)); |
| 880 | if (!dev_priv->bridge_dev) { |
| 881 | DRM_ERROR("bridge device not found\n"); |
| 882 | return -1; |
| 883 | } |
| 884 | return 0; |
| 885 | } |
| 886 | |
Zhenyu Wang | c4804411 | 2009-12-17 14:48:43 +0800 | [diff] [blame] | 887 | #define MCHBAR_I915 0x44 |
| 888 | #define MCHBAR_I965 0x48 |
| 889 | #define MCHBAR_SIZE (4*4096) |
| 890 | |
| 891 | #define DEVEN_REG 0x54 |
| 892 | #define DEVEN_MCHBAR_EN (1 << 28) |
| 893 | |
| 894 | /* Allocate space for the MCH regs if needed, return nonzero on error */ |
| 895 | static int |
| 896 | intel_alloc_mchbar_resource(struct drm_device *dev) |
| 897 | { |
| 898 | drm_i915_private_t *dev_priv = dev->dev_private; |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 899 | int reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915; |
Zhenyu Wang | c4804411 | 2009-12-17 14:48:43 +0800 | [diff] [blame] | 900 | u32 temp_lo, temp_hi = 0; |
| 901 | u64 mchbar_addr; |
Chris Wilson | a25c25c | 2010-08-20 14:36:45 +0100 | [diff] [blame] | 902 | int ret; |
Zhenyu Wang | c4804411 | 2009-12-17 14:48:43 +0800 | [diff] [blame] | 903 | |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 904 | if (INTEL_INFO(dev)->gen >= 4) |
Zhenyu Wang | c4804411 | 2009-12-17 14:48:43 +0800 | [diff] [blame] | 905 | pci_read_config_dword(dev_priv->bridge_dev, reg + 4, &temp_hi); |
| 906 | pci_read_config_dword(dev_priv->bridge_dev, reg, &temp_lo); |
| 907 | mchbar_addr = ((u64)temp_hi << 32) | temp_lo; |
| 908 | |
| 909 | /* If ACPI doesn't have it, assume we need to allocate it ourselves */ |
| 910 | #ifdef CONFIG_PNP |
| 911 | if (mchbar_addr && |
Chris Wilson | a25c25c | 2010-08-20 14:36:45 +0100 | [diff] [blame] | 912 | pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE)) |
| 913 | return 0; |
Zhenyu Wang | c4804411 | 2009-12-17 14:48:43 +0800 | [diff] [blame] | 914 | #endif |
| 915 | |
| 916 | /* Get some space for it */ |
Chris Wilson | a25c25c | 2010-08-20 14:36:45 +0100 | [diff] [blame] | 917 | dev_priv->mch_res.name = "i915 MCHBAR"; |
| 918 | dev_priv->mch_res.flags = IORESOURCE_MEM; |
| 919 | ret = pci_bus_alloc_resource(dev_priv->bridge_dev->bus, |
| 920 | &dev_priv->mch_res, |
Zhenyu Wang | c4804411 | 2009-12-17 14:48:43 +0800 | [diff] [blame] | 921 | MCHBAR_SIZE, MCHBAR_SIZE, |
| 922 | PCIBIOS_MIN_MEM, |
Chris Wilson | a25c25c | 2010-08-20 14:36:45 +0100 | [diff] [blame] | 923 | 0, pcibios_align_resource, |
Zhenyu Wang | c4804411 | 2009-12-17 14:48:43 +0800 | [diff] [blame] | 924 | dev_priv->bridge_dev); |
| 925 | if (ret) { |
| 926 | DRM_DEBUG_DRIVER("failed bus alloc: %d\n", ret); |
| 927 | dev_priv->mch_res.start = 0; |
Chris Wilson | a25c25c | 2010-08-20 14:36:45 +0100 | [diff] [blame] | 928 | return ret; |
Zhenyu Wang | c4804411 | 2009-12-17 14:48:43 +0800 | [diff] [blame] | 929 | } |
| 930 | |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 931 | if (INTEL_INFO(dev)->gen >= 4) |
Zhenyu Wang | c4804411 | 2009-12-17 14:48:43 +0800 | [diff] [blame] | 932 | pci_write_config_dword(dev_priv->bridge_dev, reg + 4, |
| 933 | upper_32_bits(dev_priv->mch_res.start)); |
| 934 | |
| 935 | pci_write_config_dword(dev_priv->bridge_dev, reg, |
| 936 | lower_32_bits(dev_priv->mch_res.start)); |
Chris Wilson | a25c25c | 2010-08-20 14:36:45 +0100 | [diff] [blame] | 937 | return 0; |
Zhenyu Wang | c4804411 | 2009-12-17 14:48:43 +0800 | [diff] [blame] | 938 | } |
| 939 | |
| 940 | /* Setup MCHBAR if possible, return true if we should disable it again */ |
| 941 | static void |
| 942 | intel_setup_mchbar(struct drm_device *dev) |
| 943 | { |
| 944 | drm_i915_private_t *dev_priv = dev->dev_private; |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 945 | int mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915; |
Zhenyu Wang | c4804411 | 2009-12-17 14:48:43 +0800 | [diff] [blame] | 946 | u32 temp; |
| 947 | bool enabled; |
| 948 | |
| 949 | dev_priv->mchbar_need_disable = false; |
| 950 | |
| 951 | if (IS_I915G(dev) || IS_I915GM(dev)) { |
| 952 | pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp); |
| 953 | enabled = !!(temp & DEVEN_MCHBAR_EN); |
| 954 | } else { |
| 955 | pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp); |
| 956 | enabled = temp & 1; |
| 957 | } |
| 958 | |
| 959 | /* If it's already enabled, don't have to do anything */ |
| 960 | if (enabled) |
| 961 | return; |
| 962 | |
| 963 | if (intel_alloc_mchbar_resource(dev)) |
| 964 | return; |
| 965 | |
| 966 | dev_priv->mchbar_need_disable = true; |
| 967 | |
| 968 | /* Space is allocated or reserved, so enable it. */ |
| 969 | if (IS_I915G(dev) || IS_I915GM(dev)) { |
| 970 | pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG, |
| 971 | temp | DEVEN_MCHBAR_EN); |
| 972 | } else { |
| 973 | pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp); |
| 974 | pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp | 1); |
| 975 | } |
| 976 | } |
| 977 | |
| 978 | static void |
| 979 | intel_teardown_mchbar(struct drm_device *dev) |
| 980 | { |
| 981 | drm_i915_private_t *dev_priv = dev->dev_private; |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 982 | int mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915; |
Zhenyu Wang | c4804411 | 2009-12-17 14:48:43 +0800 | [diff] [blame] | 983 | u32 temp; |
| 984 | |
| 985 | if (dev_priv->mchbar_need_disable) { |
| 986 | if (IS_I915G(dev) || IS_I915GM(dev)) { |
| 987 | pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp); |
| 988 | temp &= ~DEVEN_MCHBAR_EN; |
| 989 | pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG, temp); |
| 990 | } else { |
| 991 | pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp); |
| 992 | temp &= ~1; |
| 993 | pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp); |
| 994 | } |
| 995 | } |
| 996 | |
| 997 | if (dev_priv->mch_res.start) |
| 998 | release_resource(&dev_priv->mch_res); |
| 999 | } |
| 1000 | |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1001 | #define PTE_ADDRESS_MASK 0xfffff000 |
| 1002 | #define PTE_ADDRESS_MASK_HIGH 0x000000f0 /* i915+ */ |
| 1003 | #define PTE_MAPPING_TYPE_UNCACHED (0 << 1) |
| 1004 | #define PTE_MAPPING_TYPE_DCACHE (1 << 1) /* i830 only */ |
| 1005 | #define PTE_MAPPING_TYPE_CACHED (3 << 1) |
| 1006 | #define PTE_MAPPING_TYPE_MASK (3 << 1) |
| 1007 | #define PTE_VALID (1 << 0) |
| 1008 | |
| 1009 | /** |
| 1010 | * i915_gtt_to_phys - take a GTT address and turn it into a physical one |
| 1011 | * @dev: drm device |
| 1012 | * @gtt_addr: address to translate |
| 1013 | * |
| 1014 | * Some chip functions require allocations from stolen space but need the |
| 1015 | * physical address of the memory in question. We use this routine |
| 1016 | * to get a physical address suitable for register programming from a given |
| 1017 | * GTT address. |
| 1018 | */ |
| 1019 | static unsigned long i915_gtt_to_phys(struct drm_device *dev, |
| 1020 | unsigned long gtt_addr) |
| 1021 | { |
| 1022 | unsigned long *gtt; |
| 1023 | unsigned long entry, phys; |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 1024 | int gtt_bar = IS_GEN2(dev) ? 1 : 0; |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1025 | int gtt_offset, gtt_size; |
| 1026 | |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 1027 | if (INTEL_INFO(dev)->gen >= 4) { |
| 1028 | if (IS_G4X(dev) || INTEL_INFO(dev)->gen > 4) { |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1029 | gtt_offset = 2*1024*1024; |
| 1030 | gtt_size = 2*1024*1024; |
| 1031 | } else { |
| 1032 | gtt_offset = 512*1024; |
| 1033 | gtt_size = 512*1024; |
| 1034 | } |
| 1035 | } else { |
| 1036 | gtt_bar = 3; |
| 1037 | gtt_offset = 0; |
| 1038 | gtt_size = pci_resource_len(dev->pdev, gtt_bar); |
| 1039 | } |
| 1040 | |
| 1041 | gtt = ioremap_wc(pci_resource_start(dev->pdev, gtt_bar) + gtt_offset, |
| 1042 | gtt_size); |
| 1043 | if (!gtt) { |
| 1044 | DRM_ERROR("ioremap of GTT failed\n"); |
| 1045 | return 0; |
| 1046 | } |
| 1047 | |
| 1048 | entry = *(volatile u32 *)(gtt + (gtt_addr / 1024)); |
| 1049 | |
Zhao Yakui | 44d98a6 | 2009-10-09 11:39:40 +0800 | [diff] [blame] | 1050 | DRM_DEBUG_DRIVER("GTT addr: 0x%08lx, PTE: 0x%08lx\n", gtt_addr, entry); |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1051 | |
| 1052 | /* Mask out these reserved bits on this hardware. */ |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 1053 | if (INTEL_INFO(dev)->gen < 4 && !IS_G33(dev)) |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1054 | entry &= ~PTE_ADDRESS_MASK_HIGH; |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1055 | |
| 1056 | /* If it's not a mapping type we know, then bail. */ |
| 1057 | if ((entry & PTE_MAPPING_TYPE_MASK) != PTE_MAPPING_TYPE_UNCACHED && |
| 1058 | (entry & PTE_MAPPING_TYPE_MASK) != PTE_MAPPING_TYPE_CACHED) { |
| 1059 | iounmap(gtt); |
| 1060 | return 0; |
| 1061 | } |
| 1062 | |
| 1063 | if (!(entry & PTE_VALID)) { |
| 1064 | DRM_ERROR("bad GTT entry in stolen space\n"); |
| 1065 | iounmap(gtt); |
| 1066 | return 0; |
| 1067 | } |
| 1068 | |
| 1069 | iounmap(gtt); |
| 1070 | |
| 1071 | phys =(entry & PTE_ADDRESS_MASK) | |
| 1072 | ((uint64_t)(entry & PTE_ADDRESS_MASK_HIGH) << (32 - 4)); |
| 1073 | |
Zhao Yakui | 44d98a6 | 2009-10-09 11:39:40 +0800 | [diff] [blame] | 1074 | DRM_DEBUG_DRIVER("GTT addr: 0x%08lx, phys addr: 0x%08lx\n", gtt_addr, phys); |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1075 | |
| 1076 | return phys; |
| 1077 | } |
| 1078 | |
| 1079 | static void i915_warn_stolen(struct drm_device *dev) |
| 1080 | { |
| 1081 | DRM_ERROR("not enough stolen space for compressed buffer, disabling\n"); |
| 1082 | DRM_ERROR("hint: you may be able to increase stolen memory size in the BIOS to avoid this\n"); |
| 1083 | } |
| 1084 | |
| 1085 | static void i915_setup_compression(struct drm_device *dev, int size) |
| 1086 | { |
| 1087 | struct drm_i915_private *dev_priv = dev->dev_private; |
Prarit Bhargava | 132b6aa | 2010-05-27 13:37:56 -0400 | [diff] [blame] | 1088 | struct drm_mm_node *compressed_fb, *uninitialized_var(compressed_llb); |
Andrew Morton | 29bd0ae | 2009-11-17 14:08:52 -0800 | [diff] [blame] | 1089 | unsigned long cfb_base; |
| 1090 | unsigned long ll_base = 0; |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1091 | |
| 1092 | /* Leave 1M for line length buffer & misc. */ |
Daniel Vetter | 1996675 | 2010-09-06 20:08:44 +0200 | [diff] [blame] | 1093 | compressed_fb = drm_mm_search_free(&dev_priv->mm.vram, size, 4096, 0); |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1094 | if (!compressed_fb) { |
Jesse Barnes | b5e50c3 | 2010-02-05 12:42:41 -0800 | [diff] [blame] | 1095 | dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL; |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1096 | i915_warn_stolen(dev); |
| 1097 | return; |
| 1098 | } |
| 1099 | |
| 1100 | compressed_fb = drm_mm_get_block(compressed_fb, size, 4096); |
| 1101 | if (!compressed_fb) { |
| 1102 | i915_warn_stolen(dev); |
Jesse Barnes | b5e50c3 | 2010-02-05 12:42:41 -0800 | [diff] [blame] | 1103 | dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL; |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1104 | return; |
| 1105 | } |
| 1106 | |
Jesse Barnes | 74dff28 | 2009-09-14 15:39:40 -0700 | [diff] [blame] | 1107 | cfb_base = i915_gtt_to_phys(dev, compressed_fb->start); |
| 1108 | if (!cfb_base) { |
| 1109 | DRM_ERROR("failed to get stolen phys addr, disabling FBC\n"); |
| 1110 | drm_mm_put_block(compressed_fb); |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1111 | } |
| 1112 | |
Zhao Yakui | b52eb4d | 2010-06-12 14:32:27 +0800 | [diff] [blame] | 1113 | if (!(IS_GM45(dev) || IS_IRONLAKE_M(dev))) { |
Daniel Vetter | 1996675 | 2010-09-06 20:08:44 +0200 | [diff] [blame] | 1114 | compressed_llb = drm_mm_search_free(&dev_priv->mm.vram, 4096, |
Jesse Barnes | 74dff28 | 2009-09-14 15:39:40 -0700 | [diff] [blame] | 1115 | 4096, 0); |
| 1116 | if (!compressed_llb) { |
| 1117 | i915_warn_stolen(dev); |
| 1118 | return; |
| 1119 | } |
| 1120 | |
| 1121 | compressed_llb = drm_mm_get_block(compressed_llb, 4096, 4096); |
| 1122 | if (!compressed_llb) { |
| 1123 | i915_warn_stolen(dev); |
| 1124 | return; |
| 1125 | } |
| 1126 | |
| 1127 | ll_base = i915_gtt_to_phys(dev, compressed_llb->start); |
| 1128 | if (!ll_base) { |
| 1129 | DRM_ERROR("failed to get stolen phys addr, disabling FBC\n"); |
| 1130 | drm_mm_put_block(compressed_fb); |
| 1131 | drm_mm_put_block(compressed_llb); |
| 1132 | } |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1133 | } |
| 1134 | |
| 1135 | dev_priv->cfb_size = size; |
| 1136 | |
Adam Jackson | ee5382a | 2010-04-23 11:17:39 -0400 | [diff] [blame] | 1137 | intel_disable_fbc(dev); |
Jesse Barnes | 20bf377 | 2010-04-21 11:39:22 -0700 | [diff] [blame] | 1138 | dev_priv->compressed_fb = compressed_fb; |
Zhao Yakui | b52eb4d | 2010-06-12 14:32:27 +0800 | [diff] [blame] | 1139 | if (IS_IRONLAKE_M(dev)) |
| 1140 | I915_WRITE(ILK_DPFC_CB_BASE, compressed_fb->start); |
| 1141 | else if (IS_GM45(dev)) { |
Jesse Barnes | 74dff28 | 2009-09-14 15:39:40 -0700 | [diff] [blame] | 1142 | I915_WRITE(DPFC_CB_BASE, compressed_fb->start); |
| 1143 | } else { |
Jesse Barnes | 74dff28 | 2009-09-14 15:39:40 -0700 | [diff] [blame] | 1144 | I915_WRITE(FBC_CFB_BASE, cfb_base); |
| 1145 | I915_WRITE(FBC_LL_BASE, ll_base); |
Jesse Barnes | 20bf377 | 2010-04-21 11:39:22 -0700 | [diff] [blame] | 1146 | dev_priv->compressed_llb = compressed_llb; |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1147 | } |
| 1148 | |
Zhao Yakui | b52eb4d | 2010-06-12 14:32:27 +0800 | [diff] [blame] | 1149 | DRM_DEBUG_KMS("FBC base 0x%08lx, ll base 0x%08lx, size %dM\n", cfb_base, |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1150 | ll_base, size >> 20); |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1151 | } |
| 1152 | |
Jesse Barnes | 20bf377 | 2010-04-21 11:39:22 -0700 | [diff] [blame] | 1153 | static void i915_cleanup_compression(struct drm_device *dev) |
| 1154 | { |
| 1155 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 1156 | |
| 1157 | drm_mm_put_block(dev_priv->compressed_fb); |
Jesse Barnes | aebf0da | 2010-07-22 08:12:20 -0700 | [diff] [blame] | 1158 | if (dev_priv->compressed_llb) |
Jesse Barnes | 20bf377 | 2010-04-21 11:39:22 -0700 | [diff] [blame] | 1159 | drm_mm_put_block(dev_priv->compressed_llb); |
| 1160 | } |
| 1161 | |
Dave Airlie | 28d5204 | 2009-09-21 14:33:58 +1000 | [diff] [blame] | 1162 | /* true = enable decode, false = disable decoder */ |
| 1163 | static unsigned int i915_vga_set_decode(void *cookie, bool state) |
| 1164 | { |
| 1165 | struct drm_device *dev = cookie; |
| 1166 | |
| 1167 | intel_modeset_vga_set_state(dev, state); |
| 1168 | if (state) |
| 1169 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | |
| 1170 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; |
| 1171 | else |
| 1172 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; |
| 1173 | } |
| 1174 | |
Dave Airlie | 6a9ee8a | 2010-02-01 15:38:10 +1000 | [diff] [blame] | 1175 | static void i915_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state) |
| 1176 | { |
| 1177 | struct drm_device *dev = pci_get_drvdata(pdev); |
| 1178 | pm_message_t pmm = { .event = PM_EVENT_SUSPEND }; |
| 1179 | if (state == VGA_SWITCHEROO_ON) { |
Dave Airlie | fbf8176 | 2010-06-01 09:09:06 +1000 | [diff] [blame] | 1180 | printk(KERN_INFO "i915: switched on\n"); |
Dave Airlie | 6a9ee8a | 2010-02-01 15:38:10 +1000 | [diff] [blame] | 1181 | /* i915 resume handler doesn't set to D0 */ |
| 1182 | pci_set_power_state(dev->pdev, PCI_D0); |
| 1183 | i915_resume(dev); |
| 1184 | } else { |
| 1185 | printk(KERN_ERR "i915: switched off\n"); |
| 1186 | i915_suspend(dev, pmm); |
| 1187 | } |
| 1188 | } |
| 1189 | |
| 1190 | static bool i915_switcheroo_can_switch(struct pci_dev *pdev) |
| 1191 | { |
| 1192 | struct drm_device *dev = pci_get_drvdata(pdev); |
| 1193 | bool can_switch; |
| 1194 | |
| 1195 | spin_lock(&dev->count_lock); |
| 1196 | can_switch = (dev->open_count == 0); |
| 1197 | spin_unlock(&dev->count_lock); |
| 1198 | return can_switch; |
| 1199 | } |
| 1200 | |
Daniel Vetter | 5398463 | 2010-09-22 23:44:24 +0200 | [diff] [blame] | 1201 | static int i915_load_modeset_init(struct drm_device *dev) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1202 | { |
| 1203 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 5398463 | 2010-09-22 23:44:24 +0200 | [diff] [blame] | 1204 | unsigned long prealloc_size, gtt_size, mappable_size; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1205 | int ret = 0; |
| 1206 | |
Daniel Vetter | 5398463 | 2010-09-22 23:44:24 +0200 | [diff] [blame] | 1207 | prealloc_size = dev_priv->mm.gtt->gtt_stolen_entries << PAGE_SHIFT; |
| 1208 | gtt_size = dev_priv->mm.gtt->gtt_total_entries << PAGE_SHIFT; |
| 1209 | mappable_size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT; |
| 1210 | gtt_size -= PAGE_SIZE; |
| 1211 | |
Daniel Vetter | 1996675 | 2010-09-06 20:08:44 +0200 | [diff] [blame] | 1212 | /* Basic memrange allocator for stolen space (aka mm.vram) */ |
| 1213 | drm_mm_init(&dev_priv->mm.vram, 0, prealloc_size); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1214 | |
Eric Anholt | 13f4c43 | 2009-05-12 15:27:36 -0700 | [diff] [blame] | 1215 | /* Let GEM Manage from end of prealloc space to end of aperture. |
| 1216 | * |
| 1217 | * However, leave one page at the end still bound to the scratch page. |
| 1218 | * There are a number of places where the hardware apparently |
| 1219 | * prefetches past the end of the object, and we've seen multiple |
| 1220 | * hangs with the GPU head pointer stuck in a batchbuffer bound |
| 1221 | * at the last page of the aperture. One page should be enough to |
| 1222 | * keep any prefetching inside of the aperture. |
| 1223 | */ |
Daniel Vetter | 5398463 | 2010-09-22 23:44:24 +0200 | [diff] [blame] | 1224 | i915_gem_do_init(dev, prealloc_size, mappable_size, gtt_size); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1225 | |
Ben Gamari | 11ed50e | 2009-09-14 17:48:45 -0400 | [diff] [blame] | 1226 | mutex_lock(&dev->struct_mutex); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1227 | ret = i915_gem_init_ringbuffer(dev); |
Ben Gamari | 11ed50e | 2009-09-14 17:48:45 -0400 | [diff] [blame] | 1228 | mutex_unlock(&dev->struct_mutex); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1229 | if (ret) |
Dave Airlie | b8da7de | 2009-06-02 16:50:35 +1000 | [diff] [blame] | 1230 | goto out; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1231 | |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1232 | /* Try to set up FBC with a reasonable compressed buffer size */ |
Shaohua Li | 9216d44 | 2009-10-10 15:20:55 +0800 | [diff] [blame] | 1233 | if (I915_HAS_FBC(dev) && i915_powersave) { |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 1234 | int cfb_size; |
| 1235 | |
| 1236 | /* Try to get an 8M buffer... */ |
| 1237 | if (prealloc_size > (9*1024*1024)) |
| 1238 | cfb_size = 8*1024*1024; |
| 1239 | else /* fall back to 7/8 of the stolen space */ |
| 1240 | cfb_size = prealloc_size * 7 / 8; |
| 1241 | i915_setup_compression(dev, cfb_size); |
| 1242 | } |
| 1243 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1244 | /* Allow hardware batchbuffers unless told otherwise. |
| 1245 | */ |
| 1246 | dev_priv->allow_batchbuffer = 1; |
| 1247 | |
Bryan Freed | 6d139a8 | 2010-10-14 09:14:51 +0100 | [diff] [blame] | 1248 | ret = intel_parse_bios(dev); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1249 | if (ret) |
| 1250 | DRM_INFO("failed to find VBIOS tables\n"); |
| 1251 | |
Dave Airlie | 28d5204 | 2009-09-21 14:33:58 +1000 | [diff] [blame] | 1252 | /* if we have > 1 VGA cards, then disable the radeon VGA resources */ |
| 1253 | ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode); |
| 1254 | if (ret) |
Chris Wilson | 5a79395 | 2010-06-06 10:50:03 +0100 | [diff] [blame] | 1255 | goto cleanup_ringbuffer; |
Dave Airlie | 28d5204 | 2009-09-21 14:33:58 +1000 | [diff] [blame] | 1256 | |
Jesse Barnes | 723bfd7 | 2010-10-07 16:01:13 -0700 | [diff] [blame] | 1257 | intel_register_dsm_handler(); |
| 1258 | |
Dave Airlie | 6a9ee8a | 2010-02-01 15:38:10 +1000 | [diff] [blame] | 1259 | ret = vga_switcheroo_register_client(dev->pdev, |
| 1260 | i915_switcheroo_set_state, |
| 1261 | i915_switcheroo_can_switch); |
| 1262 | if (ret) |
Chris Wilson | 5a79395 | 2010-06-06 10:50:03 +0100 | [diff] [blame] | 1263 | goto cleanup_vga_client; |
Dave Airlie | 6a9ee8a | 2010-02-01 15:38:10 +1000 | [diff] [blame] | 1264 | |
Jesse Barnes | 1afe3e9 | 2010-03-26 10:35:20 -0700 | [diff] [blame] | 1265 | /* IIR "flip pending" bit means done if this bit is set */ |
| 1266 | if (IS_GEN3(dev) && (I915_READ(ECOSKPD) & ECO_FLIP_DONE)) |
| 1267 | dev_priv->flip_pending_is_done = true; |
| 1268 | |
Jesse Barnes | b01f2c3 | 2009-12-11 11:07:17 -0800 | [diff] [blame] | 1269 | intel_modeset_init(dev); |
| 1270 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1271 | ret = drm_irq_install(dev); |
| 1272 | if (ret) |
Chris Wilson | 5a79395 | 2010-06-06 10:50:03 +0100 | [diff] [blame] | 1273 | goto cleanup_vga_switcheroo; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1274 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1275 | /* Always safe in the mode setting case. */ |
| 1276 | /* FIXME: do pre/post-mode set stuff in core KMS code */ |
| 1277 | dev->vblank_disable_allowed = 1; |
| 1278 | |
Chris Wilson | 5a79395 | 2010-06-06 10:50:03 +0100 | [diff] [blame] | 1279 | ret = intel_fbdev_init(dev); |
| 1280 | if (ret) |
| 1281 | goto cleanup_irq; |
| 1282 | |
Dave Airlie | eb1f8e4 | 2010-05-07 06:42:51 +0000 | [diff] [blame] | 1283 | drm_kms_helper_poll_init(dev); |
Chris Wilson | 87acb0a | 2010-10-19 10:13:00 +0100 | [diff] [blame] | 1284 | |
| 1285 | /* We're off and running w/KMS */ |
| 1286 | dev_priv->mm.suspended = 0; |
| 1287 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1288 | return 0; |
| 1289 | |
Chris Wilson | 5a79395 | 2010-06-06 10:50:03 +0100 | [diff] [blame] | 1290 | cleanup_irq: |
| 1291 | drm_irq_uninstall(dev); |
| 1292 | cleanup_vga_switcheroo: |
| 1293 | vga_switcheroo_unregister_client(dev->pdev); |
| 1294 | cleanup_vga_client: |
| 1295 | vga_client_register(dev->pdev, NULL, NULL, NULL); |
| 1296 | cleanup_ringbuffer: |
Eric Anholt | 2109953 | 2009-11-09 14:57:34 -0800 | [diff] [blame] | 1297 | mutex_lock(&dev->struct_mutex); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1298 | i915_gem_cleanup_ringbuffer(dev); |
Eric Anholt | 2109953 | 2009-11-09 14:57:34 -0800 | [diff] [blame] | 1299 | mutex_unlock(&dev->struct_mutex); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1300 | out: |
| 1301 | return ret; |
| 1302 | } |
| 1303 | |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 1304 | int i915_master_create(struct drm_device *dev, struct drm_master *master) |
| 1305 | { |
| 1306 | struct drm_i915_master_private *master_priv; |
| 1307 | |
Eric Anholt | 9a298b2 | 2009-03-24 12:23:04 -0700 | [diff] [blame] | 1308 | master_priv = kzalloc(sizeof(*master_priv), GFP_KERNEL); |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 1309 | if (!master_priv) |
| 1310 | return -ENOMEM; |
| 1311 | |
| 1312 | master->driver_priv = master_priv; |
| 1313 | return 0; |
| 1314 | } |
| 1315 | |
| 1316 | void i915_master_destroy(struct drm_device *dev, struct drm_master *master) |
| 1317 | { |
| 1318 | struct drm_i915_master_private *master_priv = master->driver_priv; |
| 1319 | |
| 1320 | if (!master_priv) |
| 1321 | return; |
| 1322 | |
Eric Anholt | 9a298b2 | 2009-03-24 12:23:04 -0700 | [diff] [blame] | 1323 | kfree(master_priv); |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 1324 | |
| 1325 | master->driver_priv = NULL; |
| 1326 | } |
| 1327 | |
Jesse Barnes | 7648fa9 | 2010-05-20 14:28:11 -0700 | [diff] [blame] | 1328 | static void i915_pineview_get_mem_freq(struct drm_device *dev) |
Shaohua Li | 7662c8b | 2009-06-26 11:23:55 +0800 | [diff] [blame] | 1329 | { |
| 1330 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 1331 | u32 tmp; |
| 1332 | |
Shaohua Li | 7662c8b | 2009-06-26 11:23:55 +0800 | [diff] [blame] | 1333 | tmp = I915_READ(CLKCFG); |
| 1334 | |
| 1335 | switch (tmp & CLKCFG_FSB_MASK) { |
| 1336 | case CLKCFG_FSB_533: |
| 1337 | dev_priv->fsb_freq = 533; /* 133*4 */ |
| 1338 | break; |
| 1339 | case CLKCFG_FSB_800: |
| 1340 | dev_priv->fsb_freq = 800; /* 200*4 */ |
| 1341 | break; |
| 1342 | case CLKCFG_FSB_667: |
| 1343 | dev_priv->fsb_freq = 667; /* 167*4 */ |
| 1344 | break; |
| 1345 | case CLKCFG_FSB_400: |
| 1346 | dev_priv->fsb_freq = 400; /* 100*4 */ |
| 1347 | break; |
| 1348 | } |
| 1349 | |
| 1350 | switch (tmp & CLKCFG_MEM_MASK) { |
| 1351 | case CLKCFG_MEM_533: |
| 1352 | dev_priv->mem_freq = 533; |
| 1353 | break; |
| 1354 | case CLKCFG_MEM_667: |
| 1355 | dev_priv->mem_freq = 667; |
| 1356 | break; |
| 1357 | case CLKCFG_MEM_800: |
| 1358 | dev_priv->mem_freq = 800; |
| 1359 | break; |
| 1360 | } |
Li Peng | 9553426 | 2010-05-18 18:58:44 +0800 | [diff] [blame] | 1361 | |
| 1362 | /* detect pineview DDR3 setting */ |
| 1363 | tmp = I915_READ(CSHRDDR3CTL); |
| 1364 | dev_priv->is_ddr3 = (tmp & CSHRDDR3CTL_DDR3) ? 1 : 0; |
Shaohua Li | 7662c8b | 2009-06-26 11:23:55 +0800 | [diff] [blame] | 1365 | } |
| 1366 | |
Jesse Barnes | 7648fa9 | 2010-05-20 14:28:11 -0700 | [diff] [blame] | 1367 | static void i915_ironlake_get_mem_freq(struct drm_device *dev) |
| 1368 | { |
| 1369 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 1370 | u16 ddrpll, csipll; |
| 1371 | |
| 1372 | ddrpll = I915_READ16(DDRMPLL1); |
| 1373 | csipll = I915_READ16(CSIPLL0); |
| 1374 | |
| 1375 | switch (ddrpll & 0xff) { |
| 1376 | case 0xc: |
| 1377 | dev_priv->mem_freq = 800; |
| 1378 | break; |
| 1379 | case 0x10: |
| 1380 | dev_priv->mem_freq = 1066; |
| 1381 | break; |
| 1382 | case 0x14: |
| 1383 | dev_priv->mem_freq = 1333; |
| 1384 | break; |
| 1385 | case 0x18: |
| 1386 | dev_priv->mem_freq = 1600; |
| 1387 | break; |
| 1388 | default: |
| 1389 | DRM_DEBUG_DRIVER("unknown memory frequency 0x%02x\n", |
| 1390 | ddrpll & 0xff); |
| 1391 | dev_priv->mem_freq = 0; |
| 1392 | break; |
| 1393 | } |
| 1394 | |
| 1395 | dev_priv->r_t = dev_priv->mem_freq; |
| 1396 | |
| 1397 | switch (csipll & 0x3ff) { |
| 1398 | case 0x00c: |
| 1399 | dev_priv->fsb_freq = 3200; |
| 1400 | break; |
| 1401 | case 0x00e: |
| 1402 | dev_priv->fsb_freq = 3733; |
| 1403 | break; |
| 1404 | case 0x010: |
| 1405 | dev_priv->fsb_freq = 4266; |
| 1406 | break; |
| 1407 | case 0x012: |
| 1408 | dev_priv->fsb_freq = 4800; |
| 1409 | break; |
| 1410 | case 0x014: |
| 1411 | dev_priv->fsb_freq = 5333; |
| 1412 | break; |
| 1413 | case 0x016: |
| 1414 | dev_priv->fsb_freq = 5866; |
| 1415 | break; |
| 1416 | case 0x018: |
| 1417 | dev_priv->fsb_freq = 6400; |
| 1418 | break; |
| 1419 | default: |
| 1420 | DRM_DEBUG_DRIVER("unknown fsb frequency 0x%04x\n", |
| 1421 | csipll & 0x3ff); |
| 1422 | dev_priv->fsb_freq = 0; |
| 1423 | break; |
| 1424 | } |
| 1425 | |
| 1426 | if (dev_priv->fsb_freq == 3200) { |
| 1427 | dev_priv->c_m = 0; |
| 1428 | } else if (dev_priv->fsb_freq > 3200 && dev_priv->fsb_freq <= 4800) { |
| 1429 | dev_priv->c_m = 1; |
| 1430 | } else { |
| 1431 | dev_priv->c_m = 2; |
| 1432 | } |
| 1433 | } |
| 1434 | |
| 1435 | struct v_table { |
| 1436 | u8 vid; |
| 1437 | unsigned long vd; /* in .1 mil */ |
| 1438 | unsigned long vm; /* in .1 mil */ |
| 1439 | u8 pvid; |
| 1440 | }; |
| 1441 | |
| 1442 | static struct v_table v_table[] = { |
| 1443 | { 0, 16125, 15000, 0x7f, }, |
| 1444 | { 1, 16000, 14875, 0x7e, }, |
| 1445 | { 2, 15875, 14750, 0x7d, }, |
| 1446 | { 3, 15750, 14625, 0x7c, }, |
| 1447 | { 4, 15625, 14500, 0x7b, }, |
| 1448 | { 5, 15500, 14375, 0x7a, }, |
| 1449 | { 6, 15375, 14250, 0x79, }, |
| 1450 | { 7, 15250, 14125, 0x78, }, |
| 1451 | { 8, 15125, 14000, 0x77, }, |
| 1452 | { 9, 15000, 13875, 0x76, }, |
| 1453 | { 10, 14875, 13750, 0x75, }, |
| 1454 | { 11, 14750, 13625, 0x74, }, |
| 1455 | { 12, 14625, 13500, 0x73, }, |
| 1456 | { 13, 14500, 13375, 0x72, }, |
| 1457 | { 14, 14375, 13250, 0x71, }, |
| 1458 | { 15, 14250, 13125, 0x70, }, |
| 1459 | { 16, 14125, 13000, 0x6f, }, |
| 1460 | { 17, 14000, 12875, 0x6e, }, |
| 1461 | { 18, 13875, 12750, 0x6d, }, |
| 1462 | { 19, 13750, 12625, 0x6c, }, |
| 1463 | { 20, 13625, 12500, 0x6b, }, |
| 1464 | { 21, 13500, 12375, 0x6a, }, |
| 1465 | { 22, 13375, 12250, 0x69, }, |
| 1466 | { 23, 13250, 12125, 0x68, }, |
| 1467 | { 24, 13125, 12000, 0x67, }, |
| 1468 | { 25, 13000, 11875, 0x66, }, |
| 1469 | { 26, 12875, 11750, 0x65, }, |
| 1470 | { 27, 12750, 11625, 0x64, }, |
| 1471 | { 28, 12625, 11500, 0x63, }, |
| 1472 | { 29, 12500, 11375, 0x62, }, |
| 1473 | { 30, 12375, 11250, 0x61, }, |
| 1474 | { 31, 12250, 11125, 0x60, }, |
| 1475 | { 32, 12125, 11000, 0x5f, }, |
| 1476 | { 33, 12000, 10875, 0x5e, }, |
| 1477 | { 34, 11875, 10750, 0x5d, }, |
| 1478 | { 35, 11750, 10625, 0x5c, }, |
| 1479 | { 36, 11625, 10500, 0x5b, }, |
| 1480 | { 37, 11500, 10375, 0x5a, }, |
| 1481 | { 38, 11375, 10250, 0x59, }, |
| 1482 | { 39, 11250, 10125, 0x58, }, |
| 1483 | { 40, 11125, 10000, 0x57, }, |
| 1484 | { 41, 11000, 9875, 0x56, }, |
| 1485 | { 42, 10875, 9750, 0x55, }, |
| 1486 | { 43, 10750, 9625, 0x54, }, |
| 1487 | { 44, 10625, 9500, 0x53, }, |
| 1488 | { 45, 10500, 9375, 0x52, }, |
| 1489 | { 46, 10375, 9250, 0x51, }, |
| 1490 | { 47, 10250, 9125, 0x50, }, |
| 1491 | { 48, 10125, 9000, 0x4f, }, |
| 1492 | { 49, 10000, 8875, 0x4e, }, |
| 1493 | { 50, 9875, 8750, 0x4d, }, |
| 1494 | { 51, 9750, 8625, 0x4c, }, |
| 1495 | { 52, 9625, 8500, 0x4b, }, |
| 1496 | { 53, 9500, 8375, 0x4a, }, |
| 1497 | { 54, 9375, 8250, 0x49, }, |
| 1498 | { 55, 9250, 8125, 0x48, }, |
| 1499 | { 56, 9125, 8000, 0x47, }, |
| 1500 | { 57, 9000, 7875, 0x46, }, |
| 1501 | { 58, 8875, 7750, 0x45, }, |
| 1502 | { 59, 8750, 7625, 0x44, }, |
| 1503 | { 60, 8625, 7500, 0x43, }, |
| 1504 | { 61, 8500, 7375, 0x42, }, |
| 1505 | { 62, 8375, 7250, 0x41, }, |
| 1506 | { 63, 8250, 7125, 0x40, }, |
| 1507 | { 64, 8125, 7000, 0x3f, }, |
| 1508 | { 65, 8000, 6875, 0x3e, }, |
| 1509 | { 66, 7875, 6750, 0x3d, }, |
| 1510 | { 67, 7750, 6625, 0x3c, }, |
| 1511 | { 68, 7625, 6500, 0x3b, }, |
| 1512 | { 69, 7500, 6375, 0x3a, }, |
| 1513 | { 70, 7375, 6250, 0x39, }, |
| 1514 | { 71, 7250, 6125, 0x38, }, |
| 1515 | { 72, 7125, 6000, 0x37, }, |
| 1516 | { 73, 7000, 5875, 0x36, }, |
| 1517 | { 74, 6875, 5750, 0x35, }, |
| 1518 | { 75, 6750, 5625, 0x34, }, |
| 1519 | { 76, 6625, 5500, 0x33, }, |
| 1520 | { 77, 6500, 5375, 0x32, }, |
| 1521 | { 78, 6375, 5250, 0x31, }, |
| 1522 | { 79, 6250, 5125, 0x30, }, |
| 1523 | { 80, 6125, 5000, 0x2f, }, |
| 1524 | { 81, 6000, 4875, 0x2e, }, |
| 1525 | { 82, 5875, 4750, 0x2d, }, |
| 1526 | { 83, 5750, 4625, 0x2c, }, |
| 1527 | { 84, 5625, 4500, 0x2b, }, |
| 1528 | { 85, 5500, 4375, 0x2a, }, |
| 1529 | { 86, 5375, 4250, 0x29, }, |
| 1530 | { 87, 5250, 4125, 0x28, }, |
| 1531 | { 88, 5125, 4000, 0x27, }, |
| 1532 | { 89, 5000, 3875, 0x26, }, |
| 1533 | { 90, 4875, 3750, 0x25, }, |
| 1534 | { 91, 4750, 3625, 0x24, }, |
| 1535 | { 92, 4625, 3500, 0x23, }, |
| 1536 | { 93, 4500, 3375, 0x22, }, |
| 1537 | { 94, 4375, 3250, 0x21, }, |
| 1538 | { 95, 4250, 3125, 0x20, }, |
| 1539 | { 96, 4125, 3000, 0x1f, }, |
| 1540 | { 97, 4125, 3000, 0x1e, }, |
| 1541 | { 98, 4125, 3000, 0x1d, }, |
| 1542 | { 99, 4125, 3000, 0x1c, }, |
| 1543 | { 100, 4125, 3000, 0x1b, }, |
| 1544 | { 101, 4125, 3000, 0x1a, }, |
| 1545 | { 102, 4125, 3000, 0x19, }, |
| 1546 | { 103, 4125, 3000, 0x18, }, |
| 1547 | { 104, 4125, 3000, 0x17, }, |
| 1548 | { 105, 4125, 3000, 0x16, }, |
| 1549 | { 106, 4125, 3000, 0x15, }, |
| 1550 | { 107, 4125, 3000, 0x14, }, |
| 1551 | { 108, 4125, 3000, 0x13, }, |
| 1552 | { 109, 4125, 3000, 0x12, }, |
| 1553 | { 110, 4125, 3000, 0x11, }, |
| 1554 | { 111, 4125, 3000, 0x10, }, |
| 1555 | { 112, 4125, 3000, 0x0f, }, |
| 1556 | { 113, 4125, 3000, 0x0e, }, |
| 1557 | { 114, 4125, 3000, 0x0d, }, |
| 1558 | { 115, 4125, 3000, 0x0c, }, |
| 1559 | { 116, 4125, 3000, 0x0b, }, |
| 1560 | { 117, 4125, 3000, 0x0a, }, |
| 1561 | { 118, 4125, 3000, 0x09, }, |
| 1562 | { 119, 4125, 3000, 0x08, }, |
| 1563 | { 120, 1125, 0, 0x07, }, |
| 1564 | { 121, 1000, 0, 0x06, }, |
| 1565 | { 122, 875, 0, 0x05, }, |
| 1566 | { 123, 750, 0, 0x04, }, |
| 1567 | { 124, 625, 0, 0x03, }, |
| 1568 | { 125, 500, 0, 0x02, }, |
| 1569 | { 126, 375, 0, 0x01, }, |
| 1570 | { 127, 0, 0, 0x00, }, |
| 1571 | }; |
| 1572 | |
| 1573 | struct cparams { |
| 1574 | int i; |
| 1575 | int t; |
| 1576 | int m; |
| 1577 | int c; |
| 1578 | }; |
| 1579 | |
| 1580 | static struct cparams cparams[] = { |
| 1581 | { 1, 1333, 301, 28664 }, |
| 1582 | { 1, 1066, 294, 24460 }, |
| 1583 | { 1, 800, 294, 25192 }, |
| 1584 | { 0, 1333, 276, 27605 }, |
| 1585 | { 0, 1066, 276, 27605 }, |
| 1586 | { 0, 800, 231, 23784 }, |
| 1587 | }; |
| 1588 | |
| 1589 | unsigned long i915_chipset_val(struct drm_i915_private *dev_priv) |
| 1590 | { |
| 1591 | u64 total_count, diff, ret; |
| 1592 | u32 count1, count2, count3, m = 0, c = 0; |
| 1593 | unsigned long now = jiffies_to_msecs(jiffies), diff1; |
| 1594 | int i; |
| 1595 | |
| 1596 | diff1 = now - dev_priv->last_time1; |
| 1597 | |
| 1598 | count1 = I915_READ(DMIEC); |
| 1599 | count2 = I915_READ(DDREC); |
| 1600 | count3 = I915_READ(CSIEC); |
| 1601 | |
| 1602 | total_count = count1 + count2 + count3; |
| 1603 | |
| 1604 | /* FIXME: handle per-counter overflow */ |
| 1605 | if (total_count < dev_priv->last_count1) { |
| 1606 | diff = ~0UL - dev_priv->last_count1; |
| 1607 | diff += total_count; |
| 1608 | } else { |
| 1609 | diff = total_count - dev_priv->last_count1; |
| 1610 | } |
| 1611 | |
| 1612 | for (i = 0; i < ARRAY_SIZE(cparams); i++) { |
| 1613 | if (cparams[i].i == dev_priv->c_m && |
| 1614 | cparams[i].t == dev_priv->r_t) { |
| 1615 | m = cparams[i].m; |
| 1616 | c = cparams[i].c; |
| 1617 | break; |
| 1618 | } |
| 1619 | } |
| 1620 | |
Jesse Barnes | d270ae3 | 2010-09-27 10:35:44 -0700 | [diff] [blame] | 1621 | diff = div_u64(diff, diff1); |
Jesse Barnes | 7648fa9 | 2010-05-20 14:28:11 -0700 | [diff] [blame] | 1622 | ret = ((m * diff) + c); |
Jesse Barnes | d270ae3 | 2010-09-27 10:35:44 -0700 | [diff] [blame] | 1623 | ret = div_u64(ret, 10); |
Jesse Barnes | 7648fa9 | 2010-05-20 14:28:11 -0700 | [diff] [blame] | 1624 | |
| 1625 | dev_priv->last_count1 = total_count; |
| 1626 | dev_priv->last_time1 = now; |
| 1627 | |
| 1628 | return ret; |
| 1629 | } |
| 1630 | |
| 1631 | unsigned long i915_mch_val(struct drm_i915_private *dev_priv) |
| 1632 | { |
| 1633 | unsigned long m, x, b; |
| 1634 | u32 tsfs; |
| 1635 | |
| 1636 | tsfs = I915_READ(TSFS); |
| 1637 | |
| 1638 | m = ((tsfs & TSFS_SLOPE_MASK) >> TSFS_SLOPE_SHIFT); |
| 1639 | x = I915_READ8(TR1); |
| 1640 | |
| 1641 | b = tsfs & TSFS_INTR_MASK; |
| 1642 | |
| 1643 | return ((m * x) / 127) - b; |
| 1644 | } |
| 1645 | |
| 1646 | static unsigned long pvid_to_extvid(struct drm_i915_private *dev_priv, u8 pxvid) |
| 1647 | { |
| 1648 | unsigned long val = 0; |
| 1649 | int i; |
| 1650 | |
| 1651 | for (i = 0; i < ARRAY_SIZE(v_table); i++) { |
| 1652 | if (v_table[i].pvid == pxvid) { |
| 1653 | if (IS_MOBILE(dev_priv->dev)) |
| 1654 | val = v_table[i].vm; |
| 1655 | else |
| 1656 | val = v_table[i].vd; |
| 1657 | } |
| 1658 | } |
| 1659 | |
| 1660 | return val; |
| 1661 | } |
| 1662 | |
| 1663 | void i915_update_gfx_val(struct drm_i915_private *dev_priv) |
| 1664 | { |
| 1665 | struct timespec now, diff1; |
| 1666 | u64 diff; |
| 1667 | unsigned long diffms; |
| 1668 | u32 count; |
| 1669 | |
| 1670 | getrawmonotonic(&now); |
| 1671 | diff1 = timespec_sub(now, dev_priv->last_time2); |
| 1672 | |
| 1673 | /* Don't divide by 0 */ |
| 1674 | diffms = diff1.tv_sec * 1000 + diff1.tv_nsec / 1000000; |
| 1675 | if (!diffms) |
| 1676 | return; |
| 1677 | |
| 1678 | count = I915_READ(GFXEC); |
| 1679 | |
| 1680 | if (count < dev_priv->last_count2) { |
| 1681 | diff = ~0UL - dev_priv->last_count2; |
| 1682 | diff += count; |
| 1683 | } else { |
| 1684 | diff = count - dev_priv->last_count2; |
| 1685 | } |
| 1686 | |
| 1687 | dev_priv->last_count2 = count; |
| 1688 | dev_priv->last_time2 = now; |
| 1689 | |
| 1690 | /* More magic constants... */ |
| 1691 | diff = diff * 1181; |
Jesse Barnes | d270ae3 | 2010-09-27 10:35:44 -0700 | [diff] [blame] | 1692 | diff = div_u64(diff, diffms * 10); |
Jesse Barnes | 7648fa9 | 2010-05-20 14:28:11 -0700 | [diff] [blame] | 1693 | dev_priv->gfx_power = diff; |
| 1694 | } |
| 1695 | |
| 1696 | unsigned long i915_gfx_val(struct drm_i915_private *dev_priv) |
| 1697 | { |
| 1698 | unsigned long t, corr, state1, corr2, state2; |
| 1699 | u32 pxvid, ext_v; |
| 1700 | |
| 1701 | pxvid = I915_READ(PXVFREQ_BASE + (dev_priv->cur_delay * 4)); |
| 1702 | pxvid = (pxvid >> 24) & 0x7f; |
| 1703 | ext_v = pvid_to_extvid(dev_priv, pxvid); |
| 1704 | |
| 1705 | state1 = ext_v; |
| 1706 | |
| 1707 | t = i915_mch_val(dev_priv); |
| 1708 | |
| 1709 | /* Revel in the empirically derived constants */ |
| 1710 | |
| 1711 | /* Correction factor in 1/100000 units */ |
| 1712 | if (t > 80) |
| 1713 | corr = ((t * 2349) + 135940); |
| 1714 | else if (t >= 50) |
| 1715 | corr = ((t * 964) + 29317); |
| 1716 | else /* < 50 */ |
| 1717 | corr = ((t * 301) + 1004); |
| 1718 | |
| 1719 | corr = corr * ((150142 * state1) / 10000 - 78642); |
| 1720 | corr /= 100000; |
| 1721 | corr2 = (corr * dev_priv->corr); |
| 1722 | |
| 1723 | state2 = (corr2 * state1) / 10000; |
| 1724 | state2 /= 100; /* convert to mW */ |
| 1725 | |
| 1726 | i915_update_gfx_val(dev_priv); |
| 1727 | |
| 1728 | return dev_priv->gfx_power + state2; |
| 1729 | } |
| 1730 | |
| 1731 | /* Global for IPS driver to get at the current i915 device */ |
| 1732 | static struct drm_i915_private *i915_mch_dev; |
| 1733 | /* |
| 1734 | * Lock protecting IPS related data structures |
| 1735 | * - i915_mch_dev |
| 1736 | * - dev_priv->max_delay |
| 1737 | * - dev_priv->min_delay |
| 1738 | * - dev_priv->fmax |
| 1739 | * - dev_priv->gpu_busy |
| 1740 | */ |
Chris Wilson | 995b676 | 2010-08-20 13:23:26 +0100 | [diff] [blame] | 1741 | static DEFINE_SPINLOCK(mchdev_lock); |
Jesse Barnes | 7648fa9 | 2010-05-20 14:28:11 -0700 | [diff] [blame] | 1742 | |
| 1743 | /** |
| 1744 | * i915_read_mch_val - return value for IPS use |
| 1745 | * |
| 1746 | * Calculate and return a value for the IPS driver to use when deciding whether |
| 1747 | * we have thermal and power headroom to increase CPU or GPU power budget. |
| 1748 | */ |
| 1749 | unsigned long i915_read_mch_val(void) |
| 1750 | { |
| 1751 | struct drm_i915_private *dev_priv; |
| 1752 | unsigned long chipset_val, graphics_val, ret = 0; |
| 1753 | |
| 1754 | spin_lock(&mchdev_lock); |
| 1755 | if (!i915_mch_dev) |
| 1756 | goto out_unlock; |
| 1757 | dev_priv = i915_mch_dev; |
| 1758 | |
| 1759 | chipset_val = i915_chipset_val(dev_priv); |
| 1760 | graphics_val = i915_gfx_val(dev_priv); |
| 1761 | |
| 1762 | ret = chipset_val + graphics_val; |
| 1763 | |
| 1764 | out_unlock: |
| 1765 | spin_unlock(&mchdev_lock); |
| 1766 | |
| 1767 | return ret; |
| 1768 | } |
| 1769 | EXPORT_SYMBOL_GPL(i915_read_mch_val); |
| 1770 | |
| 1771 | /** |
| 1772 | * i915_gpu_raise - raise GPU frequency limit |
| 1773 | * |
| 1774 | * Raise the limit; IPS indicates we have thermal headroom. |
| 1775 | */ |
| 1776 | bool i915_gpu_raise(void) |
| 1777 | { |
| 1778 | struct drm_i915_private *dev_priv; |
| 1779 | bool ret = true; |
| 1780 | |
| 1781 | spin_lock(&mchdev_lock); |
| 1782 | if (!i915_mch_dev) { |
| 1783 | ret = false; |
| 1784 | goto out_unlock; |
| 1785 | } |
| 1786 | dev_priv = i915_mch_dev; |
| 1787 | |
| 1788 | if (dev_priv->max_delay > dev_priv->fmax) |
| 1789 | dev_priv->max_delay--; |
| 1790 | |
| 1791 | out_unlock: |
| 1792 | spin_unlock(&mchdev_lock); |
| 1793 | |
| 1794 | return ret; |
| 1795 | } |
| 1796 | EXPORT_SYMBOL_GPL(i915_gpu_raise); |
| 1797 | |
| 1798 | /** |
| 1799 | * i915_gpu_lower - lower GPU frequency limit |
| 1800 | * |
| 1801 | * IPS indicates we're close to a thermal limit, so throttle back the GPU |
| 1802 | * frequency maximum. |
| 1803 | */ |
| 1804 | bool i915_gpu_lower(void) |
| 1805 | { |
| 1806 | struct drm_i915_private *dev_priv; |
| 1807 | bool ret = true; |
| 1808 | |
| 1809 | spin_lock(&mchdev_lock); |
| 1810 | if (!i915_mch_dev) { |
| 1811 | ret = false; |
| 1812 | goto out_unlock; |
| 1813 | } |
| 1814 | dev_priv = i915_mch_dev; |
| 1815 | |
| 1816 | if (dev_priv->max_delay < dev_priv->min_delay) |
| 1817 | dev_priv->max_delay++; |
| 1818 | |
| 1819 | out_unlock: |
| 1820 | spin_unlock(&mchdev_lock); |
| 1821 | |
| 1822 | return ret; |
| 1823 | } |
| 1824 | EXPORT_SYMBOL_GPL(i915_gpu_lower); |
| 1825 | |
| 1826 | /** |
| 1827 | * i915_gpu_busy - indicate GPU business to IPS |
| 1828 | * |
| 1829 | * Tell the IPS driver whether or not the GPU is busy. |
| 1830 | */ |
| 1831 | bool i915_gpu_busy(void) |
| 1832 | { |
| 1833 | struct drm_i915_private *dev_priv; |
| 1834 | bool ret = false; |
| 1835 | |
| 1836 | spin_lock(&mchdev_lock); |
| 1837 | if (!i915_mch_dev) |
| 1838 | goto out_unlock; |
| 1839 | dev_priv = i915_mch_dev; |
| 1840 | |
| 1841 | ret = dev_priv->busy; |
| 1842 | |
| 1843 | out_unlock: |
| 1844 | spin_unlock(&mchdev_lock); |
| 1845 | |
| 1846 | return ret; |
| 1847 | } |
| 1848 | EXPORT_SYMBOL_GPL(i915_gpu_busy); |
| 1849 | |
| 1850 | /** |
| 1851 | * i915_gpu_turbo_disable - disable graphics turbo |
| 1852 | * |
| 1853 | * Disable graphics turbo by resetting the max frequency and setting the |
| 1854 | * current frequency to the default. |
| 1855 | */ |
| 1856 | bool i915_gpu_turbo_disable(void) |
| 1857 | { |
| 1858 | struct drm_i915_private *dev_priv; |
| 1859 | bool ret = true; |
| 1860 | |
| 1861 | spin_lock(&mchdev_lock); |
| 1862 | if (!i915_mch_dev) { |
| 1863 | ret = false; |
| 1864 | goto out_unlock; |
| 1865 | } |
| 1866 | dev_priv = i915_mch_dev; |
| 1867 | |
| 1868 | dev_priv->max_delay = dev_priv->fstart; |
| 1869 | |
| 1870 | if (!ironlake_set_drps(dev_priv->dev, dev_priv->fstart)) |
| 1871 | ret = false; |
| 1872 | |
| 1873 | out_unlock: |
| 1874 | spin_unlock(&mchdev_lock); |
| 1875 | |
| 1876 | return ret; |
| 1877 | } |
| 1878 | EXPORT_SYMBOL_GPL(i915_gpu_turbo_disable); |
| 1879 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1880 | /** |
| 1881 | * i915_driver_load - setup chip and create an initial config |
| 1882 | * @dev: DRM device |
| 1883 | * @flags: startup flags |
| 1884 | * |
| 1885 | * The driver load routine has to do several things: |
| 1886 | * - drive output discovery via intel_modeset_init() |
| 1887 | * - initialize the memory manager |
| 1888 | * - allocate initial config memory |
| 1889 | * - setup the DRM framebuffer with the allocated memory |
| 1890 | */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1891 | int i915_driver_load(struct drm_device *dev, unsigned long flags) |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 1892 | { |
Luca Tettamanti | ea059a1 | 2010-04-08 21:41:59 +0200 | [diff] [blame] | 1893 | struct drm_i915_private *dev_priv; |
Kristian Høgsberg | cfdf1fa | 2009-12-16 15:16:16 -0500 | [diff] [blame] | 1894 | int ret = 0, mmio_bar; |
Daniel Vetter | ac622a9 | 2010-09-08 21:26:07 +0200 | [diff] [blame] | 1895 | uint32_t agp_size, prealloc_size; |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 1896 | /* i915 has 4 more counters */ |
| 1897 | dev->counters += 4; |
| 1898 | dev->types[6] = _DRM_STAT_IRQ; |
| 1899 | dev->types[7] = _DRM_STAT_PRIMARY; |
| 1900 | dev->types[8] = _DRM_STAT_SECONDARY; |
| 1901 | dev->types[9] = _DRM_STAT_DMA; |
| 1902 | |
Eric Anholt | 9a298b2 | 2009-03-24 12:23:04 -0700 | [diff] [blame] | 1903 | dev_priv = kzalloc(sizeof(drm_i915_private_t), GFP_KERNEL); |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 1904 | if (dev_priv == NULL) |
| 1905 | return -ENOMEM; |
| 1906 | |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 1907 | dev->dev_private = (void *)dev_priv; |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1908 | dev_priv->dev = dev; |
Kristian Høgsberg | cfdf1fa | 2009-12-16 15:16:16 -0500 | [diff] [blame] | 1909 | dev_priv->info = (struct intel_device_info *) flags; |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 1910 | |
Dave Airlie | ec2a4c3 | 2009-08-04 11:43:41 +1000 | [diff] [blame] | 1911 | if (i915_get_bridge_dev(dev)) { |
| 1912 | ret = -EIO; |
| 1913 | goto free_priv; |
| 1914 | } |
| 1915 | |
Daniel Vetter | 9f82d23 | 2010-08-30 21:25:23 +0200 | [diff] [blame] | 1916 | /* overlay on gen2 is broken and can't address above 1G */ |
| 1917 | if (IS_GEN2(dev)) |
| 1918 | dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(30)); |
| 1919 | |
Chris Wilson | b4ce0f8 | 2010-10-28 11:26:06 +0100 | [diff] [blame] | 1920 | mmio_bar = IS_GEN2(dev) ? 1 : 0; |
| 1921 | dev_priv->regs = pci_iomap(dev->pdev, mmio_bar, 0); |
| 1922 | if (!dev_priv->regs) { |
| 1923 | DRM_ERROR("failed to map registers\n"); |
| 1924 | ret = -EIO; |
| 1925 | goto put_bridge; |
| 1926 | } |
| 1927 | |
Chris Wilson | 71e9339 | 2010-10-27 18:46:52 +0100 | [diff] [blame] | 1928 | dev_priv->mm.gtt = intel_gtt_get(); |
| 1929 | if (!dev_priv->mm.gtt) { |
| 1930 | DRM_ERROR("Failed to initialize GTT\n"); |
| 1931 | ret = -ENODEV; |
| 1932 | goto out_iomapfree; |
| 1933 | } |
| 1934 | |
| 1935 | prealloc_size = dev_priv->mm.gtt->gtt_stolen_entries << PAGE_SHIFT; |
| 1936 | agp_size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT; |
| 1937 | |
Eric Anholt | ab657db1 | 2009-01-23 12:57:47 -0800 | [diff] [blame] | 1938 | dev_priv->mm.gtt_mapping = |
Chris Wilson | 71e9339 | 2010-10-27 18:46:52 +0100 | [diff] [blame] | 1939 | io_mapping_create_wc(dev->agp->base, agp_size); |
Venkatesh Pallipadi | 6644107 | 2009-02-24 17:35:11 -0800 | [diff] [blame] | 1940 | if (dev_priv->mm.gtt_mapping == NULL) { |
| 1941 | ret = -EIO; |
| 1942 | goto out_rmmap; |
| 1943 | } |
| 1944 | |
Eric Anholt | ab657db1 | 2009-01-23 12:57:47 -0800 | [diff] [blame] | 1945 | /* Set up a WC MTRR for non-PAT systems. This is more common than |
| 1946 | * one would think, because the kernel disables PAT on first |
| 1947 | * generation Core chips because WC PAT gets overridden by a UC |
| 1948 | * MTRR if present. Even if a UC MTRR isn't present. |
| 1949 | */ |
| 1950 | dev_priv->mm.gtt_mtrr = mtrr_add(dev->agp->base, |
Chris Wilson | 71e9339 | 2010-10-27 18:46:52 +0100 | [diff] [blame] | 1951 | agp_size, |
Eric Anholt | ab657db1 | 2009-01-23 12:57:47 -0800 | [diff] [blame] | 1952 | MTRR_TYPE_WRCOMB, 1); |
| 1953 | if (dev_priv->mm.gtt_mtrr < 0) { |
Eric Anholt | 040aefa | 2009-03-10 12:31:12 -0700 | [diff] [blame] | 1954 | DRM_INFO("MTRR allocation failed. Graphics " |
Eric Anholt | ab657db1 | 2009-01-23 12:57:47 -0800 | [diff] [blame] | 1955 | "performance may suffer.\n"); |
| 1956 | } |
| 1957 | |
Chris Wilson | e642abb | 2010-09-09 12:46:34 +0100 | [diff] [blame] | 1958 | /* The i915 workqueue is primarily used for batched retirement of |
| 1959 | * requests (and thus managing bo) once the task has been completed |
| 1960 | * by the GPU. i915_gem_retire_requests() is called directly when we |
| 1961 | * need high-priority retirement, such as waiting for an explicit |
| 1962 | * bo. |
| 1963 | * |
| 1964 | * It is also used for periodic low-priority events, such as |
| 1965 | * idle-timers and hangcheck. |
| 1966 | * |
| 1967 | * All tasks on the workqueue are expected to acquire the dev mutex |
| 1968 | * so there is no point in running more than one instance of the |
| 1969 | * workqueue at any time: max_active = 1 and NON_REENTRANT. |
| 1970 | */ |
| 1971 | dev_priv->wq = alloc_workqueue("i915", |
| 1972 | WQ_UNBOUND | WQ_NON_REENTRANT, |
| 1973 | 1); |
Eric Anholt | 9c9fe1f | 2009-08-03 16:09:16 -0700 | [diff] [blame] | 1974 | if (dev_priv->wq == NULL) { |
| 1975 | DRM_ERROR("Failed to create our workqueue.\n"); |
| 1976 | ret = -ENOMEM; |
| 1977 | goto out_iomapfree; |
| 1978 | } |
| 1979 | |
Dave Airlie | ac5c4e7 | 2008-12-19 15:38:34 +1000 | [diff] [blame] | 1980 | /* enable GEM by default */ |
| 1981 | dev_priv->has_gem = 1; |
Dave Airlie | ac5c4e7 | 2008-12-19 15:38:34 +1000 | [diff] [blame] | 1982 | |
Eric Anholt | 2a34f5e6 | 2009-07-02 09:30:50 -0700 | [diff] [blame] | 1983 | if (prealloc_size > agp_size * 3 / 4) { |
| 1984 | DRM_ERROR("Detected broken video BIOS with %d/%dkB of video " |
| 1985 | "memory stolen.\n", |
| 1986 | prealloc_size / 1024, agp_size / 1024); |
| 1987 | DRM_ERROR("Disabling GEM. (try reducing stolen memory or " |
| 1988 | "updating the BIOS to fix).\n"); |
| 1989 | dev_priv->has_gem = 0; |
| 1990 | } |
| 1991 | |
Chris Wilson | 79a78dd | 2010-05-17 09:23:54 +0100 | [diff] [blame] | 1992 | if (dev_priv->has_gem == 0 && |
| 1993 | drm_core_check_feature(dev, DRIVER_MODESET)) { |
| 1994 | DRM_ERROR("kernel modesetting requires GEM, disabling driver.\n"); |
| 1995 | ret = -ENODEV; |
| 1996 | goto out_iomapfree; |
| 1997 | } |
| 1998 | |
Jesse Barnes | 9880b7a | 2009-02-06 10:22:41 -0800 | [diff] [blame] | 1999 | dev->driver->get_vblank_counter = i915_get_vblank_counter; |
Jesse Barnes | 42c2798 | 2009-05-05 13:13:16 -0700 | [diff] [blame] | 2000 | dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ |
Chris Wilson | f00a3dd | 2010-10-21 14:57:17 +0100 | [diff] [blame] | 2001 | if (IS_G4X(dev) || IS_GEN5(dev) || IS_GEN6(dev)) { |
Jesse Barnes | 42c2798 | 2009-05-05 13:13:16 -0700 | [diff] [blame] | 2002 | dev->max_vblank_count = 0xffffffff; /* full 32 bit counter */ |
Jesse Barnes | 9880b7a | 2009-02-06 10:22:41 -0800 | [diff] [blame] | 2003 | dev->driver->get_vblank_counter = gm45_get_vblank_counter; |
Jesse Barnes | 42c2798 | 2009-05-05 13:13:16 -0700 | [diff] [blame] | 2004 | } |
Jesse Barnes | 9880b7a | 2009-02-06 10:22:41 -0800 | [diff] [blame] | 2005 | |
Zhenyu Wang | c4804411 | 2009-12-17 14:48:43 +0800 | [diff] [blame] | 2006 | /* Try to make sure MCHBAR is enabled before poking at it */ |
| 2007 | intel_setup_mchbar(dev); |
Chris Wilson | f899fc6 | 2010-07-20 15:44:45 -0700 | [diff] [blame] | 2008 | intel_setup_gmbus(dev); |
Chris Wilson | 44834a6 | 2010-08-19 16:09:23 +0100 | [diff] [blame] | 2009 | intel_opregion_setup(dev); |
Zhenyu Wang | c4804411 | 2009-12-17 14:48:43 +0800 | [diff] [blame] | 2010 | |
Bryan Freed | 6d139a8 | 2010-10-14 09:14:51 +0100 | [diff] [blame] | 2011 | /* Make sure the bios did its job and set up vital registers */ |
| 2012 | intel_setup_bios(dev); |
| 2013 | |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 2014 | i915_gem_load(dev); |
| 2015 | |
Keith Packard | 398c9cb | 2008-07-30 13:03:43 -0700 | [diff] [blame] | 2016 | /* Init HWS */ |
| 2017 | if (!I915_NEED_GFX_HWS(dev)) { |
| 2018 | ret = i915_init_phys_hws(dev); |
| 2019 | if (ret != 0) |
Eric Anholt | 9c9fe1f | 2009-08-03 16:09:16 -0700 | [diff] [blame] | 2020 | goto out_workqueue_free; |
Keith Packard | 398c9cb | 2008-07-30 13:03:43 -0700 | [diff] [blame] | 2021 | } |
Eric Anholt | ed4cb41 | 2008-07-29 12:10:39 -0700 | [diff] [blame] | 2022 | |
Jesse Barnes | 7648fa9 | 2010-05-20 14:28:11 -0700 | [diff] [blame] | 2023 | if (IS_PINEVIEW(dev)) |
| 2024 | i915_pineview_get_mem_freq(dev); |
Chris Wilson | f00a3dd | 2010-10-21 14:57:17 +0100 | [diff] [blame] | 2025 | else if (IS_GEN5(dev)) |
Jesse Barnes | 7648fa9 | 2010-05-20 14:28:11 -0700 | [diff] [blame] | 2026 | i915_ironlake_get_mem_freq(dev); |
Shaohua Li | 7662c8b | 2009-06-26 11:23:55 +0800 | [diff] [blame] | 2027 | |
Eric Anholt | ed4cb41 | 2008-07-29 12:10:39 -0700 | [diff] [blame] | 2028 | /* On the 945G/GM, the chipset reports the MSI capability on the |
| 2029 | * integrated graphics even though the support isn't actually there |
| 2030 | * according to the published specs. It doesn't appear to function |
| 2031 | * correctly in testing on 945G. |
| 2032 | * This may be a side effect of MSI having been made available for PEG |
| 2033 | * and the registers being closely associated. |
Keith Packard | d1ed629 | 2008-10-17 00:44:42 -0700 | [diff] [blame] | 2034 | * |
| 2035 | * According to chipset errata, on the 965GM, MSI interrupts may |
Keith Packard | b60678a | 2008-12-08 11:12:28 -0800 | [diff] [blame] | 2036 | * be lost or delayed, but we use them anyways to avoid |
| 2037 | * stuck interrupts on some machines. |
Eric Anholt | ed4cb41 | 2008-07-29 12:10:39 -0700 | [diff] [blame] | 2038 | */ |
Keith Packard | b60678a | 2008-12-08 11:12:28 -0800 | [diff] [blame] | 2039 | if (!IS_I945G(dev) && !IS_I945GM(dev)) |
Eric Anholt | d3e74d0 | 2008-11-03 14:46:17 -0800 | [diff] [blame] | 2040 | pci_enable_msi(dev->pdev); |
Eric Anholt | ed4cb41 | 2008-07-29 12:10:39 -0700 | [diff] [blame] | 2041 | |
| 2042 | spin_lock_init(&dev_priv->user_irq_lock); |
Jesse Barnes | 63eeaf3 | 2009-06-18 16:56:52 -0700 | [diff] [blame] | 2043 | spin_lock_init(&dev_priv->error_lock); |
Chris Wilson | 9d34e5d | 2009-09-24 05:26:06 +0100 | [diff] [blame] | 2044 | dev_priv->trace_irq_seqno = 0; |
Eric Anholt | ed4cb41 | 2008-07-29 12:10:39 -0700 | [diff] [blame] | 2045 | |
Keith Packard | 5244021 | 2008-11-18 09:30:25 -0800 | [diff] [blame] | 2046 | ret = drm_vblank_init(dev, I915_NUM_PIPE); |
| 2047 | |
| 2048 | if (ret) { |
| 2049 | (void) i915_driver_unload(dev); |
| 2050 | return ret; |
| 2051 | } |
| 2052 | |
Ben Gamari | 11ed50e | 2009-09-14 17:48:45 -0400 | [diff] [blame] | 2053 | /* Start out suspended */ |
| 2054 | dev_priv->mm.suspended = 1; |
| 2055 | |
Zhenyu Wang | 3bad078 | 2010-04-07 16:15:53 +0800 | [diff] [blame] | 2056 | intel_detect_pch(dev); |
| 2057 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2058 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
Daniel Vetter | 5398463 | 2010-09-22 23:44:24 +0200 | [diff] [blame] | 2059 | ret = i915_load_modeset_init(dev); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2060 | if (ret < 0) { |
| 2061 | DRM_ERROR("failed to init modeset\n"); |
Eric Anholt | 9c9fe1f | 2009-08-03 16:09:16 -0700 | [diff] [blame] | 2062 | goto out_workqueue_free; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2063 | } |
| 2064 | } |
| 2065 | |
Matthew Garrett | 74a365b | 2009-03-19 21:35:39 +0000 | [diff] [blame] | 2066 | /* Must be done after probing outputs */ |
Chris Wilson | 44834a6 | 2010-08-19 16:09:23 +0100 | [diff] [blame] | 2067 | intel_opregion_init(dev); |
| 2068 | acpi_video_register(); |
Matthew Garrett | 74a365b | 2009-03-19 21:35:39 +0000 | [diff] [blame] | 2069 | |
Ben Gamari | f65d942 | 2009-09-14 17:48:44 -0400 | [diff] [blame] | 2070 | setup_timer(&dev_priv->hangcheck_timer, i915_hangcheck_elapsed, |
| 2071 | (unsigned long) dev); |
Jesse Barnes | 7648fa9 | 2010-05-20 14:28:11 -0700 | [diff] [blame] | 2072 | |
| 2073 | spin_lock(&mchdev_lock); |
| 2074 | i915_mch_dev = dev_priv; |
| 2075 | dev_priv->mchdev_lock = &mchdev_lock; |
| 2076 | spin_unlock(&mchdev_lock); |
| 2077 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2078 | return 0; |
| 2079 | |
Eric Anholt | 9c9fe1f | 2009-08-03 16:09:16 -0700 | [diff] [blame] | 2080 | out_workqueue_free: |
| 2081 | destroy_workqueue(dev_priv->wq); |
Venkatesh Pallipadi | 6644107 | 2009-02-24 17:35:11 -0800 | [diff] [blame] | 2082 | out_iomapfree: |
| 2083 | io_mapping_free(dev_priv->mm.gtt_mapping); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2084 | out_rmmap: |
| 2085 | iounmap(dev_priv->regs); |
Dave Airlie | ec2a4c3 | 2009-08-04 11:43:41 +1000 | [diff] [blame] | 2086 | put_bridge: |
| 2087 | pci_dev_put(dev_priv->bridge_dev); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2088 | free_priv: |
Eric Anholt | 9a298b2 | 2009-03-24 12:23:04 -0700 | [diff] [blame] | 2089 | kfree(dev_priv); |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 2090 | return ret; |
| 2091 | } |
| 2092 | |
| 2093 | int i915_driver_unload(struct drm_device *dev) |
| 2094 | { |
| 2095 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | c911fc1 | 2010-08-20 21:23:20 +0200 | [diff] [blame] | 2096 | int ret; |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 2097 | |
Jesse Barnes | 7648fa9 | 2010-05-20 14:28:11 -0700 | [diff] [blame] | 2098 | spin_lock(&mchdev_lock); |
| 2099 | i915_mch_dev = NULL; |
| 2100 | spin_unlock(&mchdev_lock); |
| 2101 | |
Chris Wilson | 17250b7 | 2010-10-28 12:51:39 +0100 | [diff] [blame] | 2102 | if (dev_priv->mm.inactive_shrinker.shrink) |
| 2103 | unregister_shrinker(&dev_priv->mm.inactive_shrinker); |
| 2104 | |
Daniel Vetter | c911fc1 | 2010-08-20 21:23:20 +0200 | [diff] [blame] | 2105 | mutex_lock(&dev->struct_mutex); |
| 2106 | ret = i915_gpu_idle(dev); |
| 2107 | if (ret) |
| 2108 | DRM_ERROR("failed to idle hardware: %d\n", ret); |
| 2109 | mutex_unlock(&dev->struct_mutex); |
| 2110 | |
Daniel Vetter | 75ef9da | 2010-08-21 00:25:16 +0200 | [diff] [blame] | 2111 | /* Cancel the retire work handler, which should be idle now. */ |
| 2112 | cancel_delayed_work_sync(&dev_priv->mm.retire_work); |
| 2113 | |
Eric Anholt | ab657db1 | 2009-01-23 12:57:47 -0800 | [diff] [blame] | 2114 | io_mapping_free(dev_priv->mm.gtt_mapping); |
| 2115 | if (dev_priv->mm.gtt_mtrr >= 0) { |
| 2116 | mtrr_del(dev_priv->mm.gtt_mtrr, dev->agp->base, |
| 2117 | dev->agp->agp_info.aper_size * 1024 * 1024); |
| 2118 | dev_priv->mm.gtt_mtrr = -1; |
| 2119 | } |
| 2120 | |
Chris Wilson | 44834a6 | 2010-08-19 16:09:23 +0100 | [diff] [blame] | 2121 | acpi_video_unregister(); |
| 2122 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2123 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
Chris Wilson | 7b4f399 | 2010-10-04 15:33:04 +0100 | [diff] [blame] | 2124 | intel_fbdev_fini(dev); |
Jesse Barnes | 3d8620c | 2010-03-26 11:07:21 -0700 | [diff] [blame] | 2125 | intel_modeset_cleanup(dev); |
| 2126 | |
Zhao Yakui | 6363ee6 | 2009-11-24 09:48:44 +0800 | [diff] [blame] | 2127 | /* |
| 2128 | * free the memory space allocated for the child device |
| 2129 | * config parsed from VBT |
| 2130 | */ |
| 2131 | if (dev_priv->child_dev && dev_priv->child_dev_num) { |
| 2132 | kfree(dev_priv->child_dev); |
| 2133 | dev_priv->child_dev = NULL; |
| 2134 | dev_priv->child_dev_num = 0; |
| 2135 | } |
Daniel Vetter | 6c0d9350 | 2010-08-20 18:26:46 +0200 | [diff] [blame] | 2136 | |
Dave Airlie | 6a9ee8a | 2010-02-01 15:38:10 +1000 | [diff] [blame] | 2137 | vga_switcheroo_unregister_client(dev->pdev); |
Dave Airlie | 28d5204 | 2009-09-21 14:33:58 +1000 | [diff] [blame] | 2138 | vga_client_register(dev->pdev, NULL, NULL, NULL); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2139 | } |
| 2140 | |
Daniel Vetter | a8b4899 | 2010-08-20 21:25:11 +0200 | [diff] [blame] | 2141 | /* Free error state after interrupts are fully disabled. */ |
Daniel Vetter | bc0c7f1 | 2010-08-20 18:18:48 +0200 | [diff] [blame] | 2142 | del_timer_sync(&dev_priv->hangcheck_timer); |
| 2143 | cancel_work_sync(&dev_priv->error_work); |
Daniel Vetter | a8b4899 | 2010-08-20 21:25:11 +0200 | [diff] [blame] | 2144 | i915_destroy_error_state(dev); |
Daniel Vetter | bc0c7f1 | 2010-08-20 18:18:48 +0200 | [diff] [blame] | 2145 | |
Eric Anholt | ed4cb41 | 2008-07-29 12:10:39 -0700 | [diff] [blame] | 2146 | if (dev->pdev->msi_enabled) |
| 2147 | pci_disable_msi(dev->pdev); |
| 2148 | |
Chris Wilson | 44834a6 | 2010-08-19 16:09:23 +0100 | [diff] [blame] | 2149 | intel_opregion_fini(dev); |
Matthew Garrett | 8ee1c3d | 2008-08-05 19:37:25 +0100 | [diff] [blame] | 2150 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2151 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
Daniel Vetter | 67e77c5 | 2010-08-20 22:26:30 +0200 | [diff] [blame] | 2152 | /* Flush any outstanding unpin_work. */ |
| 2153 | flush_workqueue(dev_priv->wq); |
| 2154 | |
Dave Airlie | 71acb5e | 2008-12-30 20:31:46 +1000 | [diff] [blame] | 2155 | i915_gem_free_all_phys_object(dev); |
| 2156 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2157 | mutex_lock(&dev->struct_mutex); |
| 2158 | i915_gem_cleanup_ringbuffer(dev); |
| 2159 | mutex_unlock(&dev->struct_mutex); |
Jesse Barnes | 20bf377 | 2010-04-21 11:39:22 -0700 | [diff] [blame] | 2160 | if (I915_HAS_FBC(dev) && i915_powersave) |
| 2161 | i915_cleanup_compression(dev); |
Daniel Vetter | 1996675 | 2010-09-06 20:08:44 +0200 | [diff] [blame] | 2162 | drm_mm_takedown(&dev_priv->mm.vram); |
Daniel Vetter | 02e792f | 2009-09-15 22:57:34 +0200 | [diff] [blame] | 2163 | |
| 2164 | intel_cleanup_overlay(dev); |
Keith Packard | c2873e9 | 2010-10-07 09:20:12 +0100 | [diff] [blame] | 2165 | |
| 2166 | if (!I915_NEED_GFX_HWS(dev)) |
| 2167 | i915_free_hws(dev); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2168 | } |
| 2169 | |
Daniel Vetter | 701394c | 2010-10-10 18:54:08 +0100 | [diff] [blame] | 2170 | if (dev_priv->regs != NULL) |
| 2171 | iounmap(dev_priv->regs); |
| 2172 | |
Chris Wilson | f899fc6 | 2010-07-20 15:44:45 -0700 | [diff] [blame] | 2173 | intel_teardown_gmbus(dev); |
Zhenyu Wang | c4804411 | 2009-12-17 14:48:43 +0800 | [diff] [blame] | 2174 | intel_teardown_mchbar(dev); |
| 2175 | |
Daniel Vetter | bc0c7f1 | 2010-08-20 18:18:48 +0200 | [diff] [blame] | 2176 | destroy_workqueue(dev_priv->wq); |
| 2177 | |
Dave Airlie | ec2a4c3 | 2009-08-04 11:43:41 +1000 | [diff] [blame] | 2178 | pci_dev_put(dev_priv->bridge_dev); |
Eric Anholt | 9a298b2 | 2009-03-24 12:23:04 -0700 | [diff] [blame] | 2179 | kfree(dev->dev_private); |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 2180 | |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 2181 | return 0; |
| 2182 | } |
| 2183 | |
Chris Wilson | f787a5f | 2010-09-24 16:02:42 +0100 | [diff] [blame] | 2184 | int i915_driver_open(struct drm_device *dev, struct drm_file *file) |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 2185 | { |
Chris Wilson | f787a5f | 2010-09-24 16:02:42 +0100 | [diff] [blame] | 2186 | struct drm_i915_file_private *file_priv; |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 2187 | |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 2188 | DRM_DEBUG_DRIVER("\n"); |
Chris Wilson | f787a5f | 2010-09-24 16:02:42 +0100 | [diff] [blame] | 2189 | file_priv = kmalloc(sizeof(*file_priv), GFP_KERNEL); |
| 2190 | if (!file_priv) |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 2191 | return -ENOMEM; |
| 2192 | |
Chris Wilson | f787a5f | 2010-09-24 16:02:42 +0100 | [diff] [blame] | 2193 | file->driver_priv = file_priv; |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 2194 | |
Chris Wilson | 1c25595 | 2010-09-26 11:03:27 +0100 | [diff] [blame] | 2195 | spin_lock_init(&file_priv->mm.lock); |
Chris Wilson | f787a5f | 2010-09-24 16:02:42 +0100 | [diff] [blame] | 2196 | INIT_LIST_HEAD(&file_priv->mm.request_list); |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 2197 | |
| 2198 | return 0; |
| 2199 | } |
| 2200 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2201 | /** |
| 2202 | * i915_driver_lastclose - clean up after all DRM clients have exited |
| 2203 | * @dev: DRM device |
| 2204 | * |
| 2205 | * Take care of cleaning up after all DRM clients have exited. In the |
| 2206 | * mode setting case, we want to restore the kernel's initial mode (just |
| 2207 | * in case the last client left us in a bad state). |
| 2208 | * |
| 2209 | * Additionally, in the non-mode setting case, we'll tear down the AGP |
| 2210 | * and DMA structures, since the kernel won't be using them, and clea |
| 2211 | * up any GEM state. |
| 2212 | */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 2213 | void i915_driver_lastclose(struct drm_device * dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2214 | { |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 2215 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 2216 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2217 | if (!dev_priv || drm_core_check_feature(dev, DRIVER_MODESET)) { |
Dave Airlie | 785b93e | 2009-08-28 15:46:53 +1000 | [diff] [blame] | 2218 | drm_fb_helper_restore(); |
Dave Airlie | 6a9ee8a | 2010-02-01 15:38:10 +1000 | [diff] [blame] | 2219 | vga_switcheroo_process_delayed_switch(); |
Dave Airlie | 144a75f | 2008-03-30 07:53:58 +1000 | [diff] [blame] | 2220 | return; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2221 | } |
Dave Airlie | 144a75f | 2008-03-30 07:53:58 +1000 | [diff] [blame] | 2222 | |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 2223 | i915_gem_lastclose(dev); |
| 2224 | |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 2225 | if (dev_priv->agp_heap) |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 2226 | i915_mem_takedown(&(dev_priv->agp_heap)); |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 2227 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 2228 | i915_dma_cleanup(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2229 | } |
| 2230 | |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 2231 | void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2232 | { |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 2233 | drm_i915_private_t *dev_priv = dev->dev_private; |
Eric Anholt | b962442 | 2009-06-03 07:27:35 +0000 | [diff] [blame] | 2234 | i915_gem_release(dev, file_priv); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2235 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 2236 | i915_mem_release(dev, file_priv, dev_priv->agp_heap); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2237 | } |
| 2238 | |
Chris Wilson | f787a5f | 2010-09-24 16:02:42 +0100 | [diff] [blame] | 2239 | void i915_driver_postclose(struct drm_device *dev, struct drm_file *file) |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 2240 | { |
Chris Wilson | f787a5f | 2010-09-24 16:02:42 +0100 | [diff] [blame] | 2241 | struct drm_i915_file_private *file_priv = file->driver_priv; |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 2242 | |
Chris Wilson | f787a5f | 2010-09-24 16:02:42 +0100 | [diff] [blame] | 2243 | kfree(file_priv); |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 2244 | } |
| 2245 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 2246 | struct drm_ioctl_desc i915_ioctls[] = { |
Dave Airlie | 1b2f148 | 2010-08-14 20:20:34 +1000 | [diff] [blame] | 2247 | DRM_IOCTL_DEF_DRV(I915_INIT, i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
| 2248 | DRM_IOCTL_DEF_DRV(I915_FLUSH, i915_flush_ioctl, DRM_AUTH), |
| 2249 | DRM_IOCTL_DEF_DRV(I915_FLIP, i915_flip_bufs, DRM_AUTH), |
| 2250 | DRM_IOCTL_DEF_DRV(I915_BATCHBUFFER, i915_batchbuffer, DRM_AUTH), |
| 2251 | DRM_IOCTL_DEF_DRV(I915_IRQ_EMIT, i915_irq_emit, DRM_AUTH), |
| 2252 | DRM_IOCTL_DEF_DRV(I915_IRQ_WAIT, i915_irq_wait, DRM_AUTH), |
| 2253 | DRM_IOCTL_DEF_DRV(I915_GETPARAM, i915_getparam, DRM_AUTH), |
| 2254 | DRM_IOCTL_DEF_DRV(I915_SETPARAM, i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
| 2255 | DRM_IOCTL_DEF_DRV(I915_ALLOC, i915_mem_alloc, DRM_AUTH), |
| 2256 | DRM_IOCTL_DEF_DRV(I915_FREE, i915_mem_free, DRM_AUTH), |
| 2257 | DRM_IOCTL_DEF_DRV(I915_INIT_HEAP, i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
| 2258 | DRM_IOCTL_DEF_DRV(I915_CMDBUFFER, i915_cmdbuffer, DRM_AUTH), |
| 2259 | DRM_IOCTL_DEF_DRV(I915_DESTROY_HEAP, i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
| 2260 | DRM_IOCTL_DEF_DRV(I915_SET_VBLANK_PIPE, i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
| 2261 | DRM_IOCTL_DEF_DRV(I915_GET_VBLANK_PIPE, i915_vblank_pipe_get, DRM_AUTH), |
| 2262 | DRM_IOCTL_DEF_DRV(I915_VBLANK_SWAP, i915_vblank_swap, DRM_AUTH), |
| 2263 | DRM_IOCTL_DEF_DRV(I915_HWS_ADDR, i915_set_status_page, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
| 2264 | DRM_IOCTL_DEF_DRV(I915_GEM_INIT, i915_gem_init_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), |
| 2265 | DRM_IOCTL_DEF_DRV(I915_GEM_EXECBUFFER, i915_gem_execbuffer, DRM_AUTH|DRM_UNLOCKED), |
| 2266 | DRM_IOCTL_DEF_DRV(I915_GEM_EXECBUFFER2, i915_gem_execbuffer2, DRM_AUTH|DRM_UNLOCKED), |
| 2267 | DRM_IOCTL_DEF_DRV(I915_GEM_PIN, i915_gem_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY|DRM_UNLOCKED), |
| 2268 | DRM_IOCTL_DEF_DRV(I915_GEM_UNPIN, i915_gem_unpin_ioctl, DRM_AUTH|DRM_ROOT_ONLY|DRM_UNLOCKED), |
| 2269 | DRM_IOCTL_DEF_DRV(I915_GEM_BUSY, i915_gem_busy_ioctl, DRM_AUTH|DRM_UNLOCKED), |
| 2270 | DRM_IOCTL_DEF_DRV(I915_GEM_THROTTLE, i915_gem_throttle_ioctl, DRM_AUTH|DRM_UNLOCKED), |
| 2271 | DRM_IOCTL_DEF_DRV(I915_GEM_ENTERVT, i915_gem_entervt_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), |
| 2272 | DRM_IOCTL_DEF_DRV(I915_GEM_LEAVEVT, i915_gem_leavevt_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), |
| 2273 | DRM_IOCTL_DEF_DRV(I915_GEM_CREATE, i915_gem_create_ioctl, DRM_UNLOCKED), |
| 2274 | DRM_IOCTL_DEF_DRV(I915_GEM_PREAD, i915_gem_pread_ioctl, DRM_UNLOCKED), |
| 2275 | DRM_IOCTL_DEF_DRV(I915_GEM_PWRITE, i915_gem_pwrite_ioctl, DRM_UNLOCKED), |
| 2276 | DRM_IOCTL_DEF_DRV(I915_GEM_MMAP, i915_gem_mmap_ioctl, DRM_UNLOCKED), |
| 2277 | DRM_IOCTL_DEF_DRV(I915_GEM_MMAP_GTT, i915_gem_mmap_gtt_ioctl, DRM_UNLOCKED), |
| 2278 | DRM_IOCTL_DEF_DRV(I915_GEM_SET_DOMAIN, i915_gem_set_domain_ioctl, DRM_UNLOCKED), |
| 2279 | DRM_IOCTL_DEF_DRV(I915_GEM_SW_FINISH, i915_gem_sw_finish_ioctl, DRM_UNLOCKED), |
| 2280 | DRM_IOCTL_DEF_DRV(I915_GEM_SET_TILING, i915_gem_set_tiling, DRM_UNLOCKED), |
| 2281 | DRM_IOCTL_DEF_DRV(I915_GEM_GET_TILING, i915_gem_get_tiling, DRM_UNLOCKED), |
| 2282 | DRM_IOCTL_DEF_DRV(I915_GEM_GET_APERTURE, i915_gem_get_aperture_ioctl, DRM_UNLOCKED), |
| 2283 | DRM_IOCTL_DEF_DRV(I915_GET_PIPE_FROM_CRTC_ID, intel_get_pipe_from_crtc_id, DRM_UNLOCKED), |
| 2284 | DRM_IOCTL_DEF_DRV(I915_GEM_MADVISE, i915_gem_madvise_ioctl, DRM_UNLOCKED), |
| 2285 | DRM_IOCTL_DEF_DRV(I915_OVERLAY_PUT_IMAGE, intel_overlay_put_image, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), |
| 2286 | DRM_IOCTL_DEF_DRV(I915_OVERLAY_ATTRS, intel_overlay_attrs, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), |
Dave Airlie | c94f702 | 2005-07-07 21:03:38 +1000 | [diff] [blame] | 2287 | }; |
| 2288 | |
| 2289 | int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 2290 | |
| 2291 | /** |
| 2292 | * Determine if the device really is AGP or not. |
| 2293 | * |
| 2294 | * All Intel graphics chipsets are treated as AGP, even if they are really |
| 2295 | * PCI-e. |
| 2296 | * |
| 2297 | * \param dev The device to be tested. |
| 2298 | * |
| 2299 | * \returns |
| 2300 | * A value of 1 is always retured to indictate every i9x5 is AGP. |
| 2301 | */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 2302 | int i915_driver_device_is_agp(struct drm_device * dev) |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 2303 | { |
| 2304 | return 1; |
| 2305 | } |