diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 697 | 
1 files changed, 697 insertions, 0 deletions
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 000000000000..5533434c7a8f --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -0,0 +1,697 @@ +/* + * 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 amd_ip_block_type type; +		uint32_t ring_mask = 0; +		uint32_t ib_start_alignment = 0; +		uint32_t ib_size_alignment = 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 = AMD_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); +			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE; +			ib_size_alignment = 8; +			break; +		case AMDGPU_HW_IP_COMPUTE: +			type = AMD_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); +			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE; +			ib_size_alignment = 8; +			break; +		case AMDGPU_HW_IP_DMA: +			type = AMD_IP_BLOCK_TYPE_SDMA; +			ring_mask = adev->sdma[0].ring.ready ? 1 : 0; +			ring_mask |= ((adev->sdma[1].ring.ready ? 1 : 0) << 1); +			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE; +			ib_size_alignment = 1; +			break; +		case AMDGPU_HW_IP_UVD: +			type = AMD_IP_BLOCK_TYPE_UVD; +			ring_mask = adev->uvd.ring.ready ? 1 : 0; +			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE; +			ib_size_alignment = 8; +			break; +		case AMDGPU_HW_IP_VCE: +			type = AMD_IP_BLOCK_TYPE_VCE; +			for (i = 0; i < AMDGPU_MAX_VCE_RINGS; i++) +				ring_mask |= ((adev->vce.ring[i].ready ? 1 : 0) << i); +			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE; +			ib_size_alignment = 8; +			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; +				ip.ib_start_alignment = ib_start_alignment; +				ip.ib_size_alignment = ib_size_alignment; +				break; +			} +		} +		return copy_to_user(out, &ip, +				    min((size_t)size, sizeof(ip))) ? -EFAULT : 0; +	} +	case AMDGPU_INFO_HW_IP_COUNT: { +		enum amd_ip_block_type type; +		uint32_t count = 0; + +		switch (info->query_hw_ip.type) { +		case AMDGPU_HW_IP_GFX: +			type = AMD_IP_BLOCK_TYPE_GFX; +			break; +		case AMDGPU_HW_IP_COMPUTE: +			type = AMD_IP_BLOCK_TYPE_GFX; +			break; +		case AMDGPU_HW_IP_DMA: +			type = AMD_IP_BLOCK_TYPE_SDMA; +			break; +		case AMDGPU_HW_IP_UVD: +			type = AMD_IP_BLOCK_TYPE_UVD; +			break; +		case AMDGPU_HW_IP_VCE: +			type = AMD_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 = adev->gfx.me_feature_version; +			break; +		case AMDGPU_INFO_FW_GFX_PFP: +			fw_info.ver = adev->gfx.pfp_fw_version; +			fw_info.feature = adev->gfx.pfp_feature_version; +			break; +		case AMDGPU_INFO_FW_GFX_CE: +			fw_info.ver = adev->gfx.ce_fw_version; +			fw_info.feature = adev->gfx.ce_feature_version; +			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; + +		memset(&gds_info, 0, sizeof(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; +			dev_info.max_memory_clock = +				adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk * 10; +		} else { +			dev_info.max_engine_clock = adev->pm.default_sclk * 10; +			dev_info.max_memory_clock = adev->pm.default_mclk * 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_max = (uint64_t)adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_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; +		dev_info.ce_ram_size = adev->gfx.ce_ram_size; +		memcpy(&dev_info.cu_bitmap[0], &cu_info.bitmap[0], sizeof(cu_info.bitmap)); +		dev_info.vram_type = adev->mc.vram_type; +		dev_info.vram_bit_width = adev->mc.vram_width; + +		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.lock); +	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);  | 
