Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 1 | /* |
Rob Clark | 8bb0daf | 2013-02-11 12:43:09 -0500 | [diff] [blame] | 2 | * drivers/gpu/drm/omapdrm/omap_drv.h |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2011 Texas Instruments |
| 5 | * Author: Rob Clark <rob@ti.com> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify it |
| 8 | * under the terms of the GNU General Public License version 2 as published by |
| 9 | * the Free Software Foundation. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 14 | * more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License along with |
| 17 | * this program. If not, see <http://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | |
| 20 | #ifndef __OMAP_DRV_H__ |
| 21 | #define __OMAP_DRV_H__ |
| 22 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 23 | #include <linux/module.h> |
Laurent Pinchart | 2d278f5 | 2015-03-05 21:31:37 +0200 | [diff] [blame^] | 24 | #include <linux/platform_data/omap_drm.h> |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 25 | #include <linux/types.h> |
Laurent Pinchart | 2d278f5 | 2015-03-05 21:31:37 +0200 | [diff] [blame^] | 26 | #include <video/omapdss.h> |
| 27 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 28 | #include <drm/drmP.h> |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 29 | #include <drm/drm_crtc_helper.h> |
Daniel Vetter | d9fc941 | 2014-09-23 15:46:53 +0200 | [diff] [blame] | 30 | #include <drm/drm_gem.h> |
Laurent Pinchart | 2d278f5 | 2015-03-05 21:31:37 +0200 | [diff] [blame^] | 31 | #include <drm/omap_drm.h> |
Rob Clark | f5f9454 | 2012-12-04 13:59:12 -0600 | [diff] [blame] | 32 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 33 | #define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__) |
| 34 | #define VERB(fmt, ...) if (0) DRM_DEBUG(fmt, ##__VA_ARGS__) /* verbose debug */ |
| 35 | |
| 36 | #define MODULE_NAME "omapdrm" |
| 37 | |
| 38 | /* max # of mapper-id's that can be assigned.. todo, come up with a better |
| 39 | * (but still inexpensive) way to store/access per-buffer mapper private |
| 40 | * data.. |
| 41 | */ |
| 42 | #define MAX_MAPPERS 2 |
| 43 | |
Rob Clark | f5f9454 | 2012-12-04 13:59:12 -0600 | [diff] [blame] | 44 | /* parameters which describe (unrotated) coordinates of scanout within a fb: */ |
| 45 | struct omap_drm_window { |
| 46 | uint32_t rotation; |
| 47 | int32_t crtc_x, crtc_y; /* signed because can be offscreen */ |
| 48 | uint32_t crtc_w, crtc_h; |
| 49 | uint32_t src_x, src_y; |
| 50 | uint32_t src_w, src_h; |
| 51 | }; |
| 52 | |
Rob Clark | f5f9454 | 2012-12-04 13:59:12 -0600 | [diff] [blame] | 53 | /* For transiently registering for different DSS irqs that various parts |
| 54 | * of the KMS code need during setup/configuration. We these are not |
| 55 | * necessarily the same as what drm_vblank_get/put() are requesting, and |
| 56 | * the hysteresis in drm_vblank_put() is not necessarily desirable for |
| 57 | * internal housekeeping related irq usage. |
| 58 | */ |
| 59 | struct omap_drm_irq { |
| 60 | struct list_head node; |
| 61 | uint32_t irqmask; |
| 62 | bool registered; |
| 63 | void (*irq)(struct omap_drm_irq *irq, uint32_t irqstatus); |
| 64 | }; |
| 65 | |
| 66 | /* For KMS code that needs to wait for a certain # of IRQs: |
| 67 | */ |
| 68 | struct omap_irq_wait; |
| 69 | struct omap_irq_wait * omap_irq_wait_init(struct drm_device *dev, |
| 70 | uint32_t irqmask, int count); |
| 71 | int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait, |
| 72 | unsigned long timeout); |
| 73 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 74 | struct omap_drm_private { |
Rob Clark | 5e3b087 | 2012-10-29 09:31:12 +0100 | [diff] [blame] | 75 | uint32_t omaprev; |
| 76 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 77 | unsigned int num_crtcs; |
| 78 | struct drm_crtc *crtcs[8]; |
Rob Clark | f6b6036 | 2012-03-05 10:48:36 -0600 | [diff] [blame] | 79 | |
Rob Clark | bb5c2d9 | 2012-01-16 12:51:16 -0600 | [diff] [blame] | 80 | unsigned int num_planes; |
| 81 | struct drm_plane *planes[8]; |
Rob Clark | f6b6036 | 2012-03-05 10:48:36 -0600 | [diff] [blame] | 82 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 83 | unsigned int num_encoders; |
| 84 | struct drm_encoder *encoders[8]; |
Rob Clark | f6b6036 | 2012-03-05 10:48:36 -0600 | [diff] [blame] | 85 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 86 | unsigned int num_connectors; |
| 87 | struct drm_connector *connectors[8]; |
| 88 | |
| 89 | struct drm_fb_helper *fbdev; |
Rob Clark | a6a9182 | 2011-12-09 23:26:08 -0600 | [diff] [blame] | 90 | |
Rob Clark | 5609f7f | 2012-03-05 10:48:32 -0600 | [diff] [blame] | 91 | struct workqueue_struct *wq; |
| 92 | |
Tomi Valkeinen | 76c4055 | 2014-12-17 14:34:22 +0200 | [diff] [blame] | 93 | /* lock for obj_list below */ |
| 94 | spinlock_t list_lock; |
| 95 | |
Rob Clark | f5f9454 | 2012-12-04 13:59:12 -0600 | [diff] [blame] | 96 | /* list of GEM objects: */ |
Rob Clark | f6b6036 | 2012-03-05 10:48:36 -0600 | [diff] [blame] | 97 | struct list_head obj_list; |
| 98 | |
Rob Clark | a6a9182 | 2011-12-09 23:26:08 -0600 | [diff] [blame] | 99 | bool has_dmm; |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 100 | |
| 101 | /* properties: */ |
Andre Renaud | 8451b5a | 2012-08-15 15:18:02 -0500 | [diff] [blame] | 102 | struct drm_property *zorder_prop; |
Rob Clark | f5f9454 | 2012-12-04 13:59:12 -0600 | [diff] [blame] | 103 | |
| 104 | /* irq handling: */ |
| 105 | struct list_head irq_list; /* list of omap_drm_irq */ |
| 106 | uint32_t vblank_mask; /* irq bits set for userspace vblank */ |
| 107 | struct omap_drm_irq error_handler; |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 108 | }; |
| 109 | |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 110 | |
Andy Gross | 6169a148 | 2011-12-15 21:05:17 -0600 | [diff] [blame] | 111 | #ifdef CONFIG_DEBUG_FS |
| 112 | int omap_debugfs_init(struct drm_minor *minor); |
| 113 | void omap_debugfs_cleanup(struct drm_minor *minor); |
Rob Clark | f6b6036 | 2012-03-05 10:48:36 -0600 | [diff] [blame] | 114 | void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m); |
| 115 | void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m); |
| 116 | void omap_gem_describe_objects(struct list_head *list, struct seq_file *m); |
Andy Gross | 6169a148 | 2011-12-15 21:05:17 -0600 | [diff] [blame] | 117 | #endif |
| 118 | |
Andy Gross | 4836d15 | 2012-12-19 14:53:37 -0600 | [diff] [blame] | 119 | #ifdef CONFIG_PM |
| 120 | int omap_gem_resume(struct device *dev); |
| 121 | #endif |
| 122 | |
Archit Taneja | 0d8f371 | 2013-03-26 19:15:19 +0530 | [diff] [blame] | 123 | int omap_irq_enable_vblank(struct drm_device *dev, int crtc_id); |
| 124 | void omap_irq_disable_vblank(struct drm_device *dev, int crtc_id); |
Tomi Valkeinen | 6da9f89 | 2013-10-24 09:50:50 +0300 | [diff] [blame] | 125 | void __omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq); |
| 126 | void __omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq); |
Rob Clark | f5f9454 | 2012-12-04 13:59:12 -0600 | [diff] [blame] | 127 | void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq); |
| 128 | void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq); |
Laurent Pinchart | f13ab00 | 2015-01-25 22:06:45 +0200 | [diff] [blame] | 129 | void omap_drm_irq_uninstall(struct drm_device *dev); |
Rob Clark | f5f9454 | 2012-12-04 13:59:12 -0600 | [diff] [blame] | 130 | int omap_drm_irq_install(struct drm_device *dev); |
| 131 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 132 | struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev); |
| 133 | void omap_fbdev_free(struct drm_device *dev); |
| 134 | |
Rob Clark | f5f9454 | 2012-12-04 13:59:12 -0600 | [diff] [blame] | 135 | const struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc); |
| 136 | enum omap_channel omap_crtc_channel(struct drm_crtc *crtc); |
Laurent Pinchart | a42133a | 2015-01-17 19:09:26 +0200 | [diff] [blame] | 137 | int omap_crtc_flush(struct drm_crtc *crtc); |
| 138 | int omap_crtc_queue_unpin(struct drm_crtc *crtc, struct drm_framebuffer *fb); |
Laurent Pinchart | 1d5e5ea | 2015-01-18 16:57:36 +0200 | [diff] [blame] | 139 | void omap_crtc_cancel_page_flip(struct drm_crtc *crtc, struct drm_file *file); |
Tomi Valkeinen | 04b1fc0 | 2013-05-14 10:55:19 +0300 | [diff] [blame] | 140 | void omap_crtc_pre_init(void); |
Archit Taneja | 3a01ab2 | 2014-01-02 14:49:51 +0530 | [diff] [blame] | 141 | void omap_crtc_pre_uninit(void); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 142 | struct drm_crtc *omap_crtc_init(struct drm_device *dev, |
Rob Clark | f5f9454 | 2012-12-04 13:59:12 -0600 | [diff] [blame] | 143 | struct drm_plane *plane, enum omap_channel channel, int id); |
Rob Clark | bb5c2d9 | 2012-01-16 12:51:16 -0600 | [diff] [blame] | 144 | |
| 145 | struct drm_plane *omap_plane_init(struct drm_device *dev, |
Laurent Pinchart | ef6b0e0 | 2015-01-11 00:11:18 +0200 | [diff] [blame] | 146 | int id, enum drm_plane_type type); |
Laurent Pinchart | 2debab9 | 2015-01-12 22:38:16 +0200 | [diff] [blame] | 147 | int omap_plane_set_enable(struct drm_plane *plane, bool enable); |
Rob Clark | 2f53700 | 2012-01-16 12:51:18 -0600 | [diff] [blame] | 148 | int omap_plane_mode_set(struct drm_plane *plane, |
Laurent Pinchart | a350da8 | 2015-01-17 22:31:42 +0200 | [diff] [blame] | 149 | struct drm_crtc *crtc, struct drm_framebuffer *fb, |
| 150 | int crtc_x, int crtc_y, |
| 151 | unsigned int crtc_w, unsigned int crtc_h, |
| 152 | unsigned int src_x, unsigned int src_y, |
Laurent Pinchart | a42133a | 2015-01-17 19:09:26 +0200 | [diff] [blame] | 153 | unsigned int src_w, unsigned int src_h); |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 154 | void omap_plane_install_properties(struct drm_plane *plane, |
| 155 | struct drm_mode_object *obj); |
| 156 | int omap_plane_set_property(struct drm_plane *plane, |
| 157 | struct drm_property *property, uint64_t val); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 158 | |
| 159 | struct drm_encoder *omap_encoder_init(struct drm_device *dev, |
Rob Clark | f5f9454 | 2012-12-04 13:59:12 -0600 | [diff] [blame] | 160 | struct omap_dss_device *dssdev); |
| 161 | int omap_encoder_set_enabled(struct drm_encoder *encoder, bool enabled); |
| 162 | int omap_encoder_update(struct drm_encoder *encoder, |
| 163 | struct omap_overlay_manager *mgr, |
| 164 | struct omap_video_timings *timings); |
| 165 | |
| 166 | struct drm_connector *omap_connector_init(struct drm_device *dev, |
| 167 | int connector_type, struct omap_dss_device *dssdev, |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 168 | struct drm_encoder *encoder); |
| 169 | struct drm_encoder *omap_connector_attached_encoder( |
| 170 | struct drm_connector *connector); |
Tomi Valkeinen | 4f930c0 | 2014-06-18 14:19:48 +0300 | [diff] [blame] | 171 | bool omap_connector_get_hdmi_mode(struct drm_connector *connector); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 172 | |
Rob Clark | f5f9454 | 2012-12-04 13:59:12 -0600 | [diff] [blame] | 173 | void copy_timings_omap_to_drm(struct drm_display_mode *mode, |
| 174 | struct omap_video_timings *timings); |
| 175 | void copy_timings_drm_to_omap(struct omap_video_timings *timings, |
| 176 | struct drm_display_mode *mode); |
| 177 | |
Rob Clark | a890e66 | 2012-03-05 10:48:31 -0600 | [diff] [blame] | 178 | uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats, |
| 179 | uint32_t max_formats, enum omap_color_mode supported_modes); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 180 | struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev, |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 181 | struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 182 | struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 183 | struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos); |
Rob Clark | 9a0774e | 2012-01-16 12:51:17 -0600 | [diff] [blame] | 184 | struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p); |
Rob Clark | 5833bd2 | 2013-08-07 13:41:21 -0400 | [diff] [blame] | 185 | int omap_framebuffer_pin(struct drm_framebuffer *fb); |
| 186 | int omap_framebuffer_unpin(struct drm_framebuffer *fb); |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 187 | void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, |
| 188 | struct omap_drm_window *win, struct omap_overlay_info *info); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 189 | struct drm_connector *omap_framebuffer_get_next_connector( |
| 190 | struct drm_framebuffer *fb, struct drm_connector *from); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 191 | |
Rob Clark | f7f9f45 | 2011-12-05 19:19:22 -0600 | [diff] [blame] | 192 | void omap_gem_init(struct drm_device *dev); |
| 193 | void omap_gem_deinit(struct drm_device *dev); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 194 | |
| 195 | struct drm_gem_object *omap_gem_new(struct drm_device *dev, |
| 196 | union omap_gem_size gsize, uint32_t flags); |
| 197 | int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file, |
| 198 | union omap_gem_size gsize, uint32_t flags, uint32_t *handle); |
| 199 | void omap_gem_free_object(struct drm_gem_object *obj); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 200 | void *omap_gem_vaddr(struct drm_gem_object *obj); |
| 201 | int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, |
| 202 | uint32_t handle, uint64_t *offset); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 203 | int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev, |
| 204 | struct drm_mode_create_dumb *args); |
| 205 | int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma); |
Rob Clark | 8b6b569 | 2012-05-17 02:37:25 -0600 | [diff] [blame] | 206 | int omap_gem_mmap_obj(struct drm_gem_object *obj, |
| 207 | struct vm_area_struct *vma); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 208 | int omap_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); |
| 209 | int omap_gem_op_start(struct drm_gem_object *obj, enum omap_gem_op op); |
| 210 | int omap_gem_op_finish(struct drm_gem_object *obj, enum omap_gem_op op); |
| 211 | int omap_gem_op_sync(struct drm_gem_object *obj, enum omap_gem_op op); |
| 212 | int omap_gem_op_async(struct drm_gem_object *obj, enum omap_gem_op op, |
| 213 | void (*fxn)(void *arg), void *arg); |
Rob Clark | a6a9182 | 2011-12-09 23:26:08 -0600 | [diff] [blame] | 214 | int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll); |
Rob Clark | 8b6b569 | 2012-05-17 02:37:25 -0600 | [diff] [blame] | 215 | void omap_gem_cpu_sync(struct drm_gem_object *obj, int pgoff); |
| 216 | void omap_gem_dma_sync(struct drm_gem_object *obj, |
| 217 | enum dma_data_direction dir); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 218 | int omap_gem_get_paddr(struct drm_gem_object *obj, |
| 219 | dma_addr_t *paddr, bool remap); |
| 220 | int omap_gem_put_paddr(struct drm_gem_object *obj); |
Rob Clark | 6ad11bc | 2012-04-10 13:19:55 -0500 | [diff] [blame] | 221 | int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages, |
| 222 | bool remap); |
| 223 | int omap_gem_put_pages(struct drm_gem_object *obj); |
| 224 | uint32_t omap_gem_flags(struct drm_gem_object *obj); |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 225 | int omap_gem_rotated_paddr(struct drm_gem_object *obj, uint32_t orient, |
| 226 | int x, int y, dma_addr_t *paddr); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 227 | uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj); |
Rob Clark | f7f9f45 | 2011-12-05 19:19:22 -0600 | [diff] [blame] | 228 | size_t omap_gem_mmap_size(struct drm_gem_object *obj); |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 229 | int omap_gem_tiled_size(struct drm_gem_object *obj, uint16_t *w, uint16_t *h); |
| 230 | int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 231 | |
YAMANE Toshiaki | 7ced63c | 2012-11-14 19:30:52 +0900 | [diff] [blame] | 232 | struct dma_buf *omap_gem_prime_export(struct drm_device *dev, |
Rob Clark | 6ad11bc | 2012-04-10 13:19:55 -0500 | [diff] [blame] | 233 | struct drm_gem_object *obj, int flags); |
YAMANE Toshiaki | 7ced63c | 2012-11-14 19:30:52 +0900 | [diff] [blame] | 234 | struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev, |
Rob Clark | 3080b83 | 2012-05-17 02:37:26 -0600 | [diff] [blame] | 235 | struct dma_buf *buffer); |
Rob Clark | 6ad11bc | 2012-04-10 13:19:55 -0500 | [diff] [blame] | 236 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 237 | static inline int align_pitch(int pitch, int width, int bpp) |
| 238 | { |
| 239 | int bytespp = (bpp + 7) / 8; |
| 240 | /* in case someone tries to feed us a completely bogus stride: */ |
| 241 | pitch = max(pitch, width * bytespp); |
| 242 | /* PVR needs alignment to 8 pixels.. right now that is the most |
| 243 | * restrictive stride requirement.. |
| 244 | */ |
| 245 | return ALIGN(pitch, 8 * bytespp); |
| 246 | } |
| 247 | |
Rob Clark | f5f9454 | 2012-12-04 13:59:12 -0600 | [diff] [blame] | 248 | /* map crtc to vblank mask */ |
Archit Taneja | 0d8f371 | 2013-03-26 19:15:19 +0530 | [diff] [blame] | 249 | uint32_t pipe2vbl(struct drm_crtc *crtc); |
| 250 | struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder); |
Rob Clark | f5f9454 | 2012-12-04 13:59:12 -0600 | [diff] [blame] | 251 | |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 252 | /* should these be made into common util helpers? |
| 253 | */ |
| 254 | |
| 255 | static inline int objects_lookup(struct drm_device *dev, |
| 256 | struct drm_file *filp, uint32_t pixel_format, |
| 257 | struct drm_gem_object **bos, uint32_t *handles) |
| 258 | { |
| 259 | int i, n = drm_format_num_planes(pixel_format); |
| 260 | |
| 261 | for (i = 0; i < n; i++) { |
| 262 | bos[i] = drm_gem_object_lookup(dev, filp, handles[i]); |
YAMANE Toshiaki | bc1e1581 | 2012-11-14 19:31:09 +0900 | [diff] [blame] | 263 | if (!bos[i]) |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 264 | goto fail; |
YAMANE Toshiaki | bc1e1581 | 2012-11-14 19:31:09 +0900 | [diff] [blame] | 265 | |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 266 | } |
| 267 | |
| 268 | return 0; |
| 269 | |
| 270 | fail: |
YAMANE Toshiaki | bc1e1581 | 2012-11-14 19:31:09 +0900 | [diff] [blame] | 271 | while (--i > 0) |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 272 | drm_gem_object_unreference_unlocked(bos[i]); |
YAMANE Toshiaki | bc1e1581 | 2012-11-14 19:31:09 +0900 | [diff] [blame] | 273 | |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 274 | return -ENOENT; |
| 275 | } |
| 276 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 277 | #endif /* __OMAP_DRV_H__ */ |