drm/amdgpu: add core driver (v4)
This adds the non-asic specific core driver code.
v2: remove extra kconfig option
v3: implement minor fixes from Fengguang Wu
v4: fix cast in amdgpu_ucode.c
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
new file mode 100644
index 0000000..c271da3
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -0,0 +1,674 @@
+/*
+ * Copyright 2008 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ * Copyright 2009 Jerome Glisse.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Dave Airlie
+ * Alex Deucher
+ * Jerome Glisse
+ */
+#include <drm/drmP.h>
+#include "amdgpu.h"
+#include <drm/amdgpu_drm.h>
+#include "amdgpu_uvd.h"
+#include "amdgpu_vce.h"
+
+#include <linux/vga_switcheroo.h>
+#include <linux/slab.h>
+#include <linux/pm_runtime.h>
+
+#if defined(CONFIG_VGA_SWITCHEROO)
+bool amdgpu_has_atpx(void);
+#else
+static inline bool amdgpu_has_atpx(void) { return false; }
+#endif
+
+/**
+ * amdgpu_driver_unload_kms - Main unload function for KMS.
+ *
+ * @dev: drm dev pointer
+ *
+ * This is the main unload function for KMS (all asics).
+ * Returns 0 on success.
+ */
+int amdgpu_driver_unload_kms(struct drm_device *dev)
+{
+ struct amdgpu_device *adev = dev->dev_private;
+
+ if (adev == NULL)
+ return 0;
+
+ if (adev->rmmio == NULL)
+ goto done_free;
+
+ pm_runtime_get_sync(dev->dev);
+
+ amdgpu_acpi_fini(adev);
+
+ amdgpu_device_fini(adev);
+
+done_free:
+ kfree(adev);
+ dev->dev_private = NULL;
+ return 0;
+}
+
+/**
+ * amdgpu_driver_load_kms - Main load function for KMS.
+ *
+ * @dev: drm dev pointer
+ * @flags: device flags
+ *
+ * This is the main load function for KMS (all asics).
+ * Returns 0 on success, error on failure.
+ */
+int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
+{
+ struct amdgpu_device *adev;
+ int r, acpi_status;
+
+ adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL);
+ if (adev == NULL) {
+ return -ENOMEM;
+ }
+ dev->dev_private = (void *)adev;
+
+ if ((amdgpu_runtime_pm != 0) &&
+ amdgpu_has_atpx() &&
+ ((flags & AMDGPU_IS_APU) == 0))
+ flags |= AMDGPU_IS_PX;
+
+ /* amdgpu_device_init should report only fatal error
+ * like memory allocation failure or iomapping failure,
+ * or memory manager initialization failure, it must
+ * properly initialize the GPU MC controller and permit
+ * VRAM allocation
+ */
+ r = amdgpu_device_init(adev, dev, dev->pdev, flags);
+ if (r) {
+ dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
+ goto out;
+ }
+
+ /* Call ACPI methods: require modeset init
+ * but failure is not fatal
+ */
+ if (!r) {
+ acpi_status = amdgpu_acpi_init(adev);
+ if (acpi_status)
+ dev_dbg(&dev->pdev->dev,
+ "Error during ACPI methods call\n");
+ }
+
+ if (amdgpu_device_is_px(dev)) {
+ pm_runtime_use_autosuspend(dev->dev);
+ pm_runtime_set_autosuspend_delay(dev->dev, 5000);
+ pm_runtime_set_active(dev->dev);
+ pm_runtime_allow(dev->dev);
+ pm_runtime_mark_last_busy(dev->dev);
+ pm_runtime_put_autosuspend(dev->dev);
+ }
+
+out:
+ if (r)
+ amdgpu_driver_unload_kms(dev);
+
+
+ return r;
+}
+
+/*
+ * Userspace get information ioctl
+ */
+/**
+ * amdgpu_info_ioctl - answer a device specific request.
+ *
+ * @adev: amdgpu device pointer
+ * @data: request object
+ * @filp: drm filp
+ *
+ * This function is used to pass device specific parameters to the userspace
+ * drivers. Examples include: pci device id, pipeline parms, tiling params,
+ * etc. (all asics).
+ * Returns 0 on success, -EINVAL on failure.
+ */
+static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
+{
+ struct amdgpu_device *adev = dev->dev_private;
+ struct drm_amdgpu_info *info = data;
+ struct amdgpu_mode_info *minfo = &adev->mode_info;
+ void __user *out = (void __user *)(long)info->return_pointer;
+ uint32_t size = info->return_size;
+ struct drm_crtc *crtc;
+ uint32_t ui32 = 0;
+ uint64_t ui64 = 0;
+ int i, found;
+
+ if (!info->return_size || !info->return_pointer)
+ return -EINVAL;
+
+ switch (info->query) {
+ case AMDGPU_INFO_ACCEL_WORKING:
+ ui32 = adev->accel_working;
+ return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
+ case AMDGPU_INFO_CRTC_FROM_ID:
+ for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
+ crtc = (struct drm_crtc *)minfo->crtcs[i];
+ if (crtc && crtc->base.id == info->mode_crtc.id) {
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+ ui32 = amdgpu_crtc->crtc_id;
+ found = 1;
+ break;
+ }
+ }
+ if (!found) {
+ DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
+ return -EINVAL;
+ }
+ return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
+ case AMDGPU_INFO_HW_IP_INFO: {
+ struct drm_amdgpu_info_hw_ip ip = {};
+ enum amdgpu_ip_block_type type;
+ uint32_t ring_mask = 0;
+
+ if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
+ return -EINVAL;
+
+ switch (info->query_hw_ip.type) {
+ case AMDGPU_HW_IP_GFX:
+ type = AMDGPU_IP_BLOCK_TYPE_GFX;
+ for (i = 0; i < adev->gfx.num_gfx_rings; i++)
+ ring_mask |= ((adev->gfx.gfx_ring[i].ready ? 1 : 0) << i);
+ break;
+ case AMDGPU_HW_IP_COMPUTE:
+ type = AMDGPU_IP_BLOCK_TYPE_GFX;
+ for (i = 0; i < adev->gfx.num_compute_rings; i++)
+ ring_mask |= ((adev->gfx.compute_ring[i].ready ? 1 : 0) << i);
+ break;
+ case AMDGPU_HW_IP_DMA:
+ type = AMDGPU_IP_BLOCK_TYPE_SDMA;
+ ring_mask = adev->sdma[0].ring.ready ? 1 : 0;
+ ring_mask |= ((adev->sdma[1].ring.ready ? 1 : 0) << 1);
+ break;
+ case AMDGPU_HW_IP_UVD:
+ type = AMDGPU_IP_BLOCK_TYPE_UVD;
+ ring_mask = adev->uvd.ring.ready ? 1 : 0;
+ break;
+ case AMDGPU_HW_IP_VCE:
+ type = AMDGPU_IP_BLOCK_TYPE_VCE;
+ for (i = 0; i < AMDGPU_MAX_VCE_RINGS; i++)
+ ring_mask |= ((adev->vce.ring[i].ready ? 1 : 0) << i);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ for (i = 0; i < adev->num_ip_blocks; i++) {
+ if (adev->ip_blocks[i].type == type &&
+ adev->ip_block_enabled[i]) {
+ ip.hw_ip_version_major = adev->ip_blocks[i].major;
+ ip.hw_ip_version_minor = adev->ip_blocks[i].minor;
+ ip.capabilities_flags = 0;
+ ip.available_rings = ring_mask;
+ break;
+ }
+ }
+ return copy_to_user(out, &ip,
+ min((size_t)size, sizeof(ip))) ? -EFAULT : 0;
+ }
+ case AMDGPU_INFO_HW_IP_COUNT: {
+ enum amdgpu_ip_block_type type;
+ uint32_t count = 0;
+
+ switch (info->query_hw_ip.type) {
+ case AMDGPU_HW_IP_GFX:
+ type = AMDGPU_IP_BLOCK_TYPE_GFX;
+ break;
+ case AMDGPU_HW_IP_COMPUTE:
+ type = AMDGPU_IP_BLOCK_TYPE_GFX;
+ break;
+ case AMDGPU_HW_IP_DMA:
+ type = AMDGPU_IP_BLOCK_TYPE_SDMA;
+ break;
+ case AMDGPU_HW_IP_UVD:
+ type = AMDGPU_IP_BLOCK_TYPE_UVD;
+ break;
+ case AMDGPU_HW_IP_VCE:
+ type = AMDGPU_IP_BLOCK_TYPE_VCE;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ for (i = 0; i < adev->num_ip_blocks; i++)
+ if (adev->ip_blocks[i].type == type &&
+ adev->ip_block_enabled[i] &&
+ count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
+ count++;
+
+ return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
+ }
+ case AMDGPU_INFO_TIMESTAMP:
+ ui64 = amdgpu_asic_get_gpu_clock_counter(adev);
+ return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
+ case AMDGPU_INFO_FW_VERSION: {
+ struct drm_amdgpu_info_firmware fw_info;
+
+ /* We only support one instance of each IP block right now. */
+ if (info->query_fw.ip_instance != 0)
+ return -EINVAL;
+
+ switch (info->query_fw.fw_type) {
+ case AMDGPU_INFO_FW_VCE:
+ fw_info.ver = adev->vce.fw_version;
+ fw_info.feature = adev->vce.fb_version;
+ break;
+ case AMDGPU_INFO_FW_UVD:
+ fw_info.ver = 0;
+ fw_info.feature = 0;
+ break;
+ case AMDGPU_INFO_FW_GMC:
+ fw_info.ver = adev->mc.fw_version;
+ fw_info.feature = 0;
+ break;
+ case AMDGPU_INFO_FW_GFX_ME:
+ fw_info.ver = adev->gfx.me_fw_version;
+ fw_info.feature = 0;
+ break;
+ case AMDGPU_INFO_FW_GFX_PFP:
+ fw_info.ver = adev->gfx.pfp_fw_version;
+ fw_info.feature = 0;
+ break;
+ case AMDGPU_INFO_FW_GFX_CE:
+ fw_info.ver = adev->gfx.ce_fw_version;
+ fw_info.feature = 0;
+ break;
+ case AMDGPU_INFO_FW_GFX_RLC:
+ fw_info.ver = adev->gfx.rlc_fw_version;
+ fw_info.feature = 0;
+ break;
+ case AMDGPU_INFO_FW_GFX_MEC:
+ if (info->query_fw.index == 0)
+ fw_info.ver = adev->gfx.mec_fw_version;
+ else if (info->query_fw.index == 1)
+ fw_info.ver = adev->gfx.mec2_fw_version;
+ else
+ return -EINVAL;
+ fw_info.feature = 0;
+ break;
+ case AMDGPU_INFO_FW_SMC:
+ fw_info.ver = adev->pm.fw_version;
+ fw_info.feature = 0;
+ break;
+ case AMDGPU_INFO_FW_SDMA:
+ if (info->query_fw.index >= 2)
+ return -EINVAL;
+ fw_info.ver = adev->sdma[info->query_fw.index].fw_version;
+ fw_info.feature = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return copy_to_user(out, &fw_info,
+ min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
+ }
+ case AMDGPU_INFO_NUM_BYTES_MOVED:
+ ui64 = atomic64_read(&adev->num_bytes_moved);
+ return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
+ case AMDGPU_INFO_VRAM_USAGE:
+ ui64 = atomic64_read(&adev->vram_usage);
+ return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
+ case AMDGPU_INFO_VIS_VRAM_USAGE:
+ ui64 = atomic64_read(&adev->vram_vis_usage);
+ return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
+ case AMDGPU_INFO_GTT_USAGE:
+ ui64 = atomic64_read(&adev->gtt_usage);
+ return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
+ case AMDGPU_INFO_GDS_CONFIG: {
+ struct drm_amdgpu_info_gds gds_info;
+
+ gds_info.gds_gfx_partition_size = adev->gds.mem.gfx_partition_size >> AMDGPU_GDS_SHIFT;
+ gds_info.compute_partition_size = adev->gds.mem.cs_partition_size >> AMDGPU_GDS_SHIFT;
+ gds_info.gds_total_size = adev->gds.mem.total_size >> AMDGPU_GDS_SHIFT;
+ gds_info.gws_per_gfx_partition = adev->gds.gws.gfx_partition_size >> AMDGPU_GWS_SHIFT;
+ gds_info.gws_per_compute_partition = adev->gds.gws.cs_partition_size >> AMDGPU_GWS_SHIFT;
+ gds_info.oa_per_gfx_partition = adev->gds.oa.gfx_partition_size >> AMDGPU_OA_SHIFT;
+ gds_info.oa_per_compute_partition = adev->gds.oa.cs_partition_size >> AMDGPU_OA_SHIFT;
+ return copy_to_user(out, &gds_info,
+ min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
+ }
+ case AMDGPU_INFO_VRAM_GTT: {
+ struct drm_amdgpu_info_vram_gtt vram_gtt;
+
+ vram_gtt.vram_size = adev->mc.real_vram_size;
+ vram_gtt.vram_cpu_accessible_size = adev->mc.visible_vram_size;
+ vram_gtt.vram_cpu_accessible_size -= adev->vram_pin_size;
+ vram_gtt.gtt_size = adev->mc.gtt_size;
+ vram_gtt.gtt_size -= adev->gart_pin_size;
+ return copy_to_user(out, &vram_gtt,
+ min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
+ }
+ case AMDGPU_INFO_READ_MMR_REG: {
+ unsigned n, alloc_size = info->read_mmr_reg.count * 4;
+ uint32_t *regs;
+ unsigned se_num = (info->read_mmr_reg.instance >>
+ AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
+ AMDGPU_INFO_MMR_SE_INDEX_MASK;
+ unsigned sh_num = (info->read_mmr_reg.instance >>
+ AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
+ AMDGPU_INFO_MMR_SH_INDEX_MASK;
+
+ /* set full masks if the userspace set all bits
+ * in the bitfields */
+ if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
+ se_num = 0xffffffff;
+ if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
+ sh_num = 0xffffffff;
+
+ regs = kmalloc(alloc_size, GFP_KERNEL);
+ if (!regs)
+ return -ENOMEM;
+
+ for (i = 0; i < info->read_mmr_reg.count; i++)
+ if (amdgpu_asic_read_register(adev, se_num, sh_num,
+ info->read_mmr_reg.dword_offset + i,
+ ®s[i])) {
+ DRM_DEBUG_KMS("unallowed offset %#x\n",
+ info->read_mmr_reg.dword_offset + i);
+ kfree(regs);
+ return -EFAULT;
+ }
+ n = copy_to_user(out, regs, min(size, alloc_size));
+ kfree(regs);
+ return n ? -EFAULT : 0;
+ }
+ case AMDGPU_INFO_DEV_INFO: {
+ struct drm_amdgpu_info_device dev_info;
+ struct amdgpu_cu_info cu_info;
+
+ dev_info.device_id = dev->pdev->device;
+ dev_info.chip_rev = adev->rev_id;
+ dev_info.external_rev = adev->external_rev_id;
+ dev_info.pci_rev = dev->pdev->revision;
+ dev_info.family = adev->family;
+ dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
+ dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
+ /* return all clocks in KHz */
+ dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
+ if (adev->pm.dpm_enabled)
+ dev_info.max_engine_clock =
+ adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk * 10;
+ else
+ dev_info.max_engine_clock = adev->pm.default_sclk * 10;
+ dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
+ dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se *
+ adev->gfx.config.max_shader_engines;
+ dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
+ dev_info._pad = 0;
+ dev_info.ids_flags = 0;
+ if (adev->flags & AMDGPU_IS_APU)
+ dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
+ dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
+ dev_info.virtual_address_alignment = max(PAGE_SIZE, 0x10000UL);
+ dev_info.pte_fragment_size = (1 << AMDGPU_LOG2_PAGES_PER_FRAG) *
+ AMDGPU_GPU_PAGE_SIZE;
+ dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
+
+ amdgpu_asic_get_cu_info(adev, &cu_info);
+ dev_info.cu_active_number = cu_info.number;
+ dev_info.cu_ao_mask = cu_info.ao_cu_mask;
+ memcpy(&dev_info.cu_bitmap[0], &cu_info.bitmap[0], sizeof(cu_info.bitmap));
+
+ return copy_to_user(out, &dev_info,
+ min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
+ }
+ default:
+ DRM_DEBUG_KMS("Invalid request %d\n", info->query);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+
+/*
+ * Outdated mess for old drm with Xorg being in charge (void function now).
+ */
+/**
+ * amdgpu_driver_firstopen_kms - drm callback for last close
+ *
+ * @dev: drm dev pointer
+ *
+ * Switch vga switcheroo state after last close (all asics).
+ */
+void amdgpu_driver_lastclose_kms(struct drm_device *dev)
+{
+ vga_switcheroo_process_delayed_switch();
+}
+
+/**
+ * amdgpu_driver_open_kms - drm callback for open
+ *
+ * @dev: drm dev pointer
+ * @file_priv: drm file
+ *
+ * On device open, init vm on cayman+ (all asics).
+ * Returns 0 on success, error on failure.
+ */
+int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
+{
+ struct amdgpu_device *adev = dev->dev_private;
+ struct amdgpu_fpriv *fpriv;
+ int r;
+
+ file_priv->driver_priv = NULL;
+
+ r = pm_runtime_get_sync(dev->dev);
+ if (r < 0)
+ return r;
+
+ fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
+ if (unlikely(!fpriv))
+ return -ENOMEM;
+
+ r = amdgpu_vm_init(adev, &fpriv->vm);
+ if (r)
+ goto error_free;
+
+ mutex_init(&fpriv->bo_list_lock);
+ idr_init(&fpriv->bo_list_handles);
+
+ /* init context manager */
+ mutex_init(&fpriv->ctx_mgr.hlock);
+ idr_init(&fpriv->ctx_mgr.ctx_handles);
+ fpriv->ctx_mgr.adev = adev;
+
+ file_priv->driver_priv = fpriv;
+
+ pm_runtime_mark_last_busy(dev->dev);
+ pm_runtime_put_autosuspend(dev->dev);
+ return 0;
+
+error_free:
+ kfree(fpriv);
+
+ return r;
+}
+
+/**
+ * amdgpu_driver_postclose_kms - drm callback for post close
+ *
+ * @dev: drm dev pointer
+ * @file_priv: drm file
+ *
+ * On device post close, tear down vm on cayman+ (all asics).
+ */
+void amdgpu_driver_postclose_kms(struct drm_device *dev,
+ struct drm_file *file_priv)
+{
+ struct amdgpu_device *adev = dev->dev_private;
+ struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
+ struct amdgpu_bo_list *list;
+ int handle;
+
+ if (!fpriv)
+ return;
+
+ amdgpu_vm_fini(adev, &fpriv->vm);
+
+ idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
+ amdgpu_bo_list_free(list);
+
+ idr_destroy(&fpriv->bo_list_handles);
+ mutex_destroy(&fpriv->bo_list_lock);
+
+ /* release context */
+ amdgpu_ctx_fini(fpriv);
+
+ kfree(fpriv);
+ file_priv->driver_priv = NULL;
+}
+
+/**
+ * amdgpu_driver_preclose_kms - drm callback for pre close
+ *
+ * @dev: drm dev pointer
+ * @file_priv: drm file
+ *
+ * On device pre close, tear down hyperz and cmask filps on r1xx-r5xx
+ * (all asics).
+ */
+void amdgpu_driver_preclose_kms(struct drm_device *dev,
+ struct drm_file *file_priv)
+{
+ struct amdgpu_device *adev = dev->dev_private;
+
+ amdgpu_uvd_free_handles(adev, file_priv);
+ amdgpu_vce_free_handles(adev, file_priv);
+}
+
+/*
+ * VBlank related functions.
+ */
+/**
+ * amdgpu_get_vblank_counter_kms - get frame count
+ *
+ * @dev: drm dev pointer
+ * @crtc: crtc to get the frame count from
+ *
+ * Gets the frame count on the requested crtc (all asics).
+ * Returns frame count on success, -EINVAL on failure.
+ */
+u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, int crtc)
+{
+ struct amdgpu_device *adev = dev->dev_private;
+
+ if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
+ DRM_ERROR("Invalid crtc %d\n", crtc);
+ return -EINVAL;
+ }
+
+ return amdgpu_display_vblank_get_counter(adev, crtc);
+}
+
+/**
+ * amdgpu_enable_vblank_kms - enable vblank interrupt
+ *
+ * @dev: drm dev pointer
+ * @crtc: crtc to enable vblank interrupt for
+ *
+ * Enable the interrupt on the requested crtc (all asics).
+ * Returns 0 on success, -EINVAL on failure.
+ */
+int amdgpu_enable_vblank_kms(struct drm_device *dev, int crtc)
+{
+ struct amdgpu_device *adev = dev->dev_private;
+ int idx = amdgpu_crtc_idx_to_irq_type(adev, crtc);
+
+ return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
+}
+
+/**
+ * amdgpu_disable_vblank_kms - disable vblank interrupt
+ *
+ * @dev: drm dev pointer
+ * @crtc: crtc to disable vblank interrupt for
+ *
+ * Disable the interrupt on the requested crtc (all asics).
+ */
+void amdgpu_disable_vblank_kms(struct drm_device *dev, int crtc)
+{
+ struct amdgpu_device *adev = dev->dev_private;
+ int idx = amdgpu_crtc_idx_to_irq_type(adev, crtc);
+
+ amdgpu_irq_put(adev, &adev->crtc_irq, idx);
+}
+
+/**
+ * amdgpu_get_vblank_timestamp_kms - get vblank timestamp
+ *
+ * @dev: drm dev pointer
+ * @crtc: crtc to get the timestamp for
+ * @max_error: max error
+ * @vblank_time: time value
+ * @flags: flags passed to the driver
+ *
+ * Gets the timestamp on the requested crtc based on the
+ * scanout position. (all asics).
+ * Returns postive status flags on success, negative error on failure.
+ */
+int amdgpu_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
+ int *max_error,
+ struct timeval *vblank_time,
+ unsigned flags)
+{
+ struct drm_crtc *drmcrtc;
+ struct amdgpu_device *adev = dev->dev_private;
+
+ if (crtc < 0 || crtc >= dev->num_crtcs) {
+ DRM_ERROR("Invalid crtc %d\n", crtc);
+ return -EINVAL;
+ }
+
+ /* Get associated drm_crtc: */
+ drmcrtc = &adev->mode_info.crtcs[crtc]->base;
+
+ /* Helper routine in DRM core does all the work: */
+ return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error,
+ vblank_time, flags,
+ drmcrtc, &drmcrtc->hwmode);
+}
+
+const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
+ DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
+ /* KMS */
+ DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
+};
+int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);