Merge tag 'amd-drm-next-6.4-2023-04-14' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

amd-drm-next-6.4-2023-04-14:

amdgpu:
- S4 fixes for APUs
- GFX11 fixes
- Misc code cleanups
- DCN 3.2 fixes
- DCN 3.1.4 fixes
- FPO/FAMS work to improve display power savings
- DP fixes
- UMC 8.10 code cleanup
- SDMA v4 fix
- GPU clock counter fixes
- SMU 13 fixes
- Sdma v6 invalidation fix for preemption
- RAS fixes
- S0ix fix
- GC 9.4.3 updates

amdkfd:
- Fix user pointers with IOMMU
- Fix coherency flag handling

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230414204609.7942-1-alexander.deucher@amd.com

Author: airlied

drivers/gpu/drm/amd/amdgpu/Makefile

@@ -136,6 +136,7 @@ amdgpu-y += \
 	gfx_v9_0.o \
 	gfx_v9_4.o \
 	gfx_v9_4_2.o \
+	gfx_v9_4_3.o \
 	gfx_v10_0.o \
 	imu_v11_0.o \
 	gfx_v11_0.o \

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -185,7 +185,6 @@ extern char *amdgpu_disable_cu;
 extern char *amdgpu_virtual_display;
 extern uint amdgpu_pp_feature_mask;
 extern uint amdgpu_force_long_training;
-extern int amdgpu_job_hang_limit;
 extern int amdgpu_lbpw;
 extern int amdgpu_compute_multipipe;
 extern int amdgpu_gpu_recovery;
@@ -471,7 +470,7 @@ int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
 /*
  * Writeback
  */
-#define AMDGPU_MAX_WB 256	/* Reserve at most 256 WB slots for amdgpu-owned rings. */
+#define AMDGPU_MAX_WB 1024	/* Reserve at most 1024 WB slots for amdgpu-owned rings. */
 
 struct amdgpu_wb {
 	struct amdgpu_bo	*wb_obj;
@@ -1222,7 +1221,7 @@ int emu_soc_asic_init(struct amdgpu_device *adev);
 	((adev)->asic_funcs->flush_hdp ? (adev)->asic_funcs->flush_hdp((adev), (r)) : (adev)->hdp.funcs->flush_hdp((adev), (r)))
 #define amdgpu_asic_invalidate_hdp(adev, r) \
 	((adev)->asic_funcs->invalidate_hdp ? (adev)->asic_funcs->invalidate_hdp((adev), (r)) : \
-	 ((adev)->hdp.funcs->invalidate_hdp ? (adev)->hdp.funcs->invalidate_hdp((adev), (r)) : 0))
+	 ((adev)->hdp.funcs->invalidate_hdp ? (adev)->hdp.funcs->invalidate_hdp((adev), (r)) : (void)0))
 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))

drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c

@@ -981,7 +981,12 @@ static bool amdgpu_atcs_pci_probe_handle(struct pci_dev *pdev)
  */
 bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev)
 {
-	if (adev->flags & AMD_IS_APU)
+	if ((adev->flags & AMD_IS_APU) &&
+	    adev->gfx.imu.funcs) /* Not need to do mode2 reset for IMU enabled APUs */
+		return false;
+
+	if ((adev->flags & AMD_IS_APU) &&
+	    amdgpu_acpi_is_s3_active(adev))
 		return false;
 
 	if (amdgpu_sriov_vf(adev))

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c

@@ -96,7 +96,7 @@ static void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
 					 size_t *start_offset)
 {
 	/*
-	 * The first num_doorbells are used by amdgpu.
+	 * The first num_kernel_doorbells are used by amdgpu.
 	 * amdkfd takes whatever's left in the aperture.
 	 */
 	if (adev->enable_mes) {
@@ -109,11 +109,11 @@ static void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
 		*aperture_base = adev->doorbell.base;
 		*aperture_size = 0;
 		*start_offset = 0;
-	} else if (adev->doorbell.size > adev->doorbell.num_doorbells *
+	} else if (adev->doorbell.size > adev->doorbell.num_kernel_doorbells *
 						sizeof(u32)) {
 		*aperture_base = adev->doorbell.base;
 		*aperture_size = adev->doorbell.size;
-		*start_offset = adev->doorbell.num_doorbells * sizeof(u32);
+		*start_offset = adev->doorbell.num_kernel_doorbells * sizeof(u32);
 	} else {
 		*aperture_base = 0;
 		*aperture_size = 0;

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c

@@ -82,6 +82,25 @@ static bool kfd_mem_is_attached(struct amdgpu_vm *avm,
 	return false;
 }
 
+/**
+ * reuse_dmamap() - Check whether adev can share the original
+ * userptr BO
+ *
+ * If both adev and bo_adev are in direct mapping or
+ * in the same iommu group, they can share the original BO.
+ *
+ * @adev: Device to which can or cannot share the original BO
+ * @bo_adev: Device to which allocated BO belongs to
+ *
+ * Return: returns true if adev can share original userptr BO,
+ * false otherwise.
+ */
+static bool reuse_dmamap(struct amdgpu_device *adev, struct amdgpu_device *bo_adev)
+{
+	return (adev->ram_is_direct_mapped && bo_adev->ram_is_direct_mapped) ||
+			(adev->dev->iommu_group == bo_adev->dev->iommu_group);
+}
+
 /* Set memory usage limits. Current, limits are
  *  System (TTM + userptr) memory - 15/16th System RAM
  *  TTM memory - 3/8th System RAM
@@ -253,15 +272,19 @@ create_dmamap_sg_bo(struct amdgpu_device *adev,
 		 struct kgd_mem *mem, struct amdgpu_bo **bo_out)
 {
 	struct drm_gem_object *gem_obj;
-	int ret, align;
+	int ret;
+	uint64_t flags = 0;
 
 	ret = amdgpu_bo_reserve(mem->bo, false);
 	if (ret)
 		return ret;
 
-	align = 1;
-	ret = amdgpu_gem_object_create(adev, mem->bo->tbo.base.size, align,
-			AMDGPU_GEM_DOMAIN_CPU, AMDGPU_GEM_CREATE_PREEMPTIBLE,
+	if (mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_USERPTR)
+		flags |= mem->bo->flags & (AMDGPU_GEM_CREATE_COHERENT |
+					AMDGPU_GEM_CREATE_UNCACHED);
+
+	ret = amdgpu_gem_object_create(adev, mem->bo->tbo.base.size, 1,
+			AMDGPU_GEM_DOMAIN_CPU, AMDGPU_GEM_CREATE_PREEMPTIBLE | flags,
 			ttm_bo_type_sg, mem->bo->tbo.base.resv, &gem_obj);
 
 	amdgpu_bo_unreserve(mem->bo);
@@ -481,9 +504,6 @@ kfd_mem_dmamap_userptr(struct kgd_mem *mem,
 	if (unlikely(ret))
 		goto release_sg;
 
-	drm_prime_sg_to_dma_addr_array(ttm->sg, ttm->dma_address,
-				       ttm->num_pages);
-
 	amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_GTT);
 	ret = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
 	if (ret)
@@ -805,11 +825,11 @@ static int kfd_mem_attach(struct amdgpu_device *adev, struct kgd_mem *mem,
 			 va + bo_size, vm);
 
 		if ((adev == bo_adev && !(mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_MMIO_REMAP)) ||
-		    (amdgpu_ttm_tt_get_usermm(mem->bo->tbo.ttm) && adev->ram_is_direct_mapped) ||
-		    same_hive) {
+		    (amdgpu_ttm_tt_get_usermm(mem->bo->tbo.ttm) && reuse_dmamap(adev, bo_adev)) ||
+			same_hive) {
 			/* Mappings on the local GPU, or VRAM mappings in the
-			 * local hive, or userptr mapping IOMMU direct map mode
-			 * share the original BO
+			 * local hive, or userptr mapping can reuse dma map
+			 * address space share the original BO
 			 */
 			attachment[i]->type = KFD_MEM_ATT_SHARED;
 			bo[i] = mem->bo;

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -602,7 +602,7 @@ u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index)
 	if (amdgpu_device_skip_hw_access(adev))
 		return 0;
 
-	if (index < adev->doorbell.num_doorbells) {
+	if (index < adev->doorbell.num_kernel_doorbells) {
 		return readl(adev->doorbell.ptr + index);
 	} else {
 		DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index);
@@ -625,7 +625,7 @@ void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v)
 	if (amdgpu_device_skip_hw_access(adev))
 		return;
 
-	if (index < adev->doorbell.num_doorbells) {
+	if (index < adev->doorbell.num_kernel_doorbells) {
 		writel(v, adev->doorbell.ptr + index);
 	} else {
 		DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index);
@@ -646,7 +646,7 @@ u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index)
 	if (amdgpu_device_skip_hw_access(adev))
 		return 0;
 
-	if (index < adev->doorbell.num_doorbells) {
+	if (index < adev->doorbell.num_kernel_doorbells) {
 		return atomic64_read((atomic64_t *)(adev->doorbell.ptr + index));
 	} else {
 		DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index);
@@ -669,7 +669,7 @@ void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v)
 	if (amdgpu_device_skip_hw_access(adev))
 		return;
 
-	if (index < adev->doorbell.num_doorbells) {
+	if (index < adev->doorbell.num_kernel_doorbells) {
 		atomic64_set((atomic64_t *)(adev->doorbell.ptr + index), v);
 	} else {
 		DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index);
@@ -1060,7 +1060,7 @@ static int amdgpu_device_doorbell_init(struct amdgpu_device *adev)
 	if (adev->asic_type < CHIP_BONAIRE) {
 		adev->doorbell.base = 0;
 		adev->doorbell.size = 0;
-		adev->doorbell.num_doorbells = 0;
+		adev->doorbell.num_kernel_doorbells = 0;
 		adev->doorbell.ptr = NULL;
 		return 0;
 	}
@@ -1075,27 +1075,27 @@ static int amdgpu_device_doorbell_init(struct amdgpu_device *adev)
 	adev->doorbell.size = pci_resource_len(adev->pdev, 2);
 
 	if (adev->enable_mes) {
-		adev->doorbell.num_doorbells =
+		adev->doorbell.num_kernel_doorbells =
 			adev->doorbell.size / sizeof(u32);
 	} else {
-		adev->doorbell.num_doorbells =
+		adev->doorbell.num_kernel_doorbells =
 			min_t(u32, adev->doorbell.size / sizeof(u32),
 			      adev->doorbell_index.max_assignment+1);
-		if (adev->doorbell.num_doorbells == 0)
+		if (adev->doorbell.num_kernel_doorbells == 0)
 			return -EINVAL;
 
 		/* For Vega, reserve and map two pages on doorbell BAR since SDMA
 		 * paging queue doorbell use the second page. The
 		 * AMDGPU_DOORBELL64_MAX_ASSIGNMENT definition assumes all the
 		 * doorbells are in the first page. So with paging queue enabled,
-		 * the max num_doorbells should + 1 page (0x400 in dword)
+		 * the max num_kernel_doorbells should + 1 page (0x400 in dword)
 		 */
 		if (adev->asic_type >= CHIP_VEGA10)
-			adev->doorbell.num_doorbells += 0x400;
+			adev->doorbell.num_kernel_doorbells += 0x400;
 	}
 
 	adev->doorbell.ptr = ioremap(adev->doorbell.base,
-				     adev->doorbell.num_doorbells *
+				     adev->doorbell.num_kernel_doorbells *
 				     sizeof(u32));
 	if (adev->doorbell.ptr == NULL)
 		return -ENOMEM;
@@ -2184,7 +2184,6 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
 		adev->has_pr3 = parent ? pci_pr3_present(parent) : false;
 	}
 
-	amdgpu_amdkfd_device_probe(adev);
 
 	adev->pm.pp_feature = amdgpu_pp_feature_mask;
 	if (amdgpu_sriov_vf(adev) || sched_policy == KFD_SCHED_POLICY_NO_HWS)
@@ -2240,6 +2239,7 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
 	if (!total)
 		return -ENODEV;
 
+	amdgpu_amdkfd_device_probe(adev);
 	adev->cg_flags &= amdgpu_cg_mask;
 	adev->pg_flags &= amdgpu_pg_mask;
 
@@ -2365,7 +2365,7 @@ static int amdgpu_device_init_schedulers(struct amdgpu_device *adev)
 		}
 
 		r = drm_sched_init(&ring->sched, &amdgpu_sched_ops,
-				   ring->num_hw_submission, amdgpu_job_hang_limit,
+				   ring->num_hw_submission, 0,
 				   timeout, adev->reset_domain->wq,
 				   ring->sched_score, ring->name,
 				   adev->dev);
@@ -3305,9 +3305,11 @@ static int amdgpu_device_ip_resume(struct amdgpu_device *adev)
 {
 	int r;
 
-	r = amdgpu_amdkfd_resume_iommu(adev);
-	if (r)
-		return r;
+	if (!adev->in_s0ix) {
+		r = amdgpu_amdkfd_resume_iommu(adev);
+		if (r)
+			return r;
+	}
 
 	r = amdgpu_device_ip_resume_phase1(adev);
 	if (r)

drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c

@@ -1502,6 +1502,7 @@ static int amdgpu_discovery_set_common_ip_blocks(struct amdgpu_device *adev)
 	case IP_VERSION(9, 4, 0):
 	case IP_VERSION(9, 4, 1):
 	case IP_VERSION(9, 4, 2):
+	case IP_VERSION(9, 4, 3):
 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
 		break;
 	case IP_VERSION(10, 1, 10):

drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h

@@ -21,6 +21,9 @@
  *
  */
 
+#ifndef AMDGPU_DOORBELL_H
+#define AMDGPU_DOORBELL_H
+
 /*
  * GPU doorbell structures, functions & helpers
  */
@@ -29,7 +32,9 @@ struct amdgpu_doorbell {
 	resource_size_t		base;
 	resource_size_t		size;
 	u32 __iomem		*ptr;
-	u32			num_doorbells;	/* Number of doorbells actually reserved for amdgpu. */
+
+	/* Number of doorbells reserved for amdgpu kernel driver */
+	u32 num_kernel_doorbells;
 };
 
 /* Reserved doorbells for amdgpu (including multimedia).
@@ -306,3 +311,4 @@ void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v);
 #define RDOORBELL64(index) amdgpu_mm_rdoorbell64(adev, (index))
 #define WDOORBELL64(index, v) amdgpu_mm_wdoorbell64(adev, (index), (v))
 
+#endif

drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c

@@ -157,7 +157,6 @@ char *amdgpu_virtual_display;
  */
 uint amdgpu_pp_feature_mask = 0xfff7bfff;
 uint amdgpu_force_long_training;
-int amdgpu_job_hang_limit;
 int amdgpu_lbpw = -1;
 int amdgpu_compute_multipipe = -1;
 int amdgpu_gpu_recovery = -1; /* auto */
@@ -520,13 +519,6 @@ MODULE_PARM_DESC(virtual_display,
 		 "Enable virtual display feature (the virtual_display will be set like xxxx:xx:xx.x,x;xxxx:xx:xx.x,x)");
 module_param_named(virtual_display, amdgpu_virtual_display, charp, 0444);
 
-/**
- * DOC: job_hang_limit (int)
- * Set how much time allow a job hang and not drop it. The default is 0.
- */
-MODULE_PARM_DESC(job_hang_limit, "how much time allow a job hang and not drop it (default 0)");
-module_param_named(job_hang_limit, amdgpu_job_hang_limit, int ,0444);
-
 /**
  * DOC: lbpw (int)
  * Override Load Balancing Per Watt (LBPW) support (1 = enable, 0 = disable). The default is -1 (auto, enabled).

drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c

@@ -305,6 +305,7 @@ int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
 	ring->ring_obj = NULL;
 	ring->use_doorbell = true;
 	ring->doorbell_index = adev->doorbell_index.kiq;
+	ring->vm_hub = AMDGPU_GFXHUB_0;
 
 	r = amdgpu_gfx_kiq_acquire(adev, ring);
 	if (r)