Merge tag 'drm-misc-next-fixes-2022-07-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

Short summary of fixes pull:

 * amdgpu: Fix for drm buddy memory corruption
 * nouveau: PM fixes; DP fixes

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/Ytj65+PdAJs4jIEO@linux-uq9g

Author: airlied

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

@@ -395,11 +395,11 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man,
 	unsigned long pages_per_block;
 	int r;
 
-	lpfn = place->lpfn << PAGE_SHIFT;
+	lpfn = (u64)place->lpfn << PAGE_SHIFT;
 	if (!lpfn)
 		lpfn = man->size;
 
-	fpfn = place->fpfn << PAGE_SHIFT;
+	fpfn = (u64)place->fpfn << PAGE_SHIFT;
 
 	max_bytes = adev->gmc.mc_vram_size;
 	if (tbo->type != ttm_bo_type_kernel)
@@ -439,12 +439,12 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man,
 		/* Allocate blocks in desired range */
 		vres->flags |= DRM_BUDDY_RANGE_ALLOCATION;
 
-	remaining_size = vres->base.num_pages << PAGE_SHIFT;
+	remaining_size = (u64)vres->base.num_pages << PAGE_SHIFT;
 
 	mutex_lock(&mgr->lock);
 	while (remaining_size) {
 		if (tbo->page_alignment)
-			min_block_size = tbo->page_alignment << PAGE_SHIFT;
+			min_block_size = (u64)tbo->page_alignment << PAGE_SHIFT;
 		else
 			min_block_size = mgr->default_page_size;
 
@@ -453,12 +453,12 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man,
 		/* Limit maximum size to 2GiB due to SG table limitations */
 		size = min(remaining_size, 2ULL << 30);
 
-		if (size >= pages_per_block << PAGE_SHIFT)
-			min_block_size = pages_per_block << PAGE_SHIFT;
+		if (size >= (u64)pages_per_block << PAGE_SHIFT)
+			min_block_size = (u64)pages_per_block << PAGE_SHIFT;
 
 		cur_size = size;
 
-		if (fpfn + size != place->lpfn << PAGE_SHIFT) {
+		if (fpfn + size != (u64)place->lpfn << PAGE_SHIFT) {
 			/*
 			 * Except for actual range allocation, modify the size and
 			 * min_block_size conforming to continuous flag enablement
@@ -498,7 +498,7 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man,
 		LIST_HEAD(temp);
 
 		trim_list = &vres->blocks;
-		original_size = vres->base.num_pages << PAGE_SHIFT;
+		original_size = (u64)vres->base.num_pages << PAGE_SHIFT;
 
 		/*
 		 * If size value is rounded up to min_block_size, trim the last

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

@@ -50,7 +50,7 @@ static inline u64 amdgpu_vram_mgr_block_start(struct drm_buddy_block *block)
 
 static inline u64 amdgpu_vram_mgr_block_size(struct drm_buddy_block *block)
 {
-	return PAGE_SIZE << drm_buddy_block_order(block);
+	return (u64)PAGE_SIZE << drm_buddy_block_order(block);
 }
 
 static inline struct amdgpu_vram_mgr_resource *

drivers/gpu/drm/nouveau/nouveau_connector.c

@@ -1361,13 +1361,11 @@ nouveau_connector_create(struct drm_device *dev,
 		snprintf(aux_name, sizeof(aux_name), "sor-%04x-%04x",
 			 dcbe->hasht, dcbe->hashm);
 		nv_connector->aux.name = kstrdup(aux_name, GFP_KERNEL);
-		drm_dp_aux_init(&nv_connector->aux);
-		if (ret) {
-			NV_ERROR(drm, "Failed to init AUX adapter for sor-%04x-%04x: %d\n",
-				 dcbe->hasht, dcbe->hashm, ret);
+		if (!nv_connector->aux.name) {
 			kfree(nv_connector);
-			return ERR_PTR(ret);
+			return ERR_PTR(-ENOMEM);
 		}
+		drm_dp_aux_init(&nv_connector->aux);
 		fallthrough;
 	default:
 		funcs = &nouveau_connector_funcs;

drivers/gpu/drm/nouveau/nouveau_display.c

@@ -515,7 +515,7 @@ nouveau_display_hpd_work(struct work_struct *work)
 
 	pm_runtime_mark_last_busy(drm->dev->dev);
 noop:
-	pm_runtime_put_sync(drm->dev->dev);
+	pm_runtime_put_autosuspend(dev->dev);
 }
 
 #ifdef CONFIG_ACPI
@@ -537,7 +537,7 @@ nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
 				 * it's own hotplug events.
 				 */
 				pm_runtime_put_autosuspend(drm->dev->dev);
-			} else if (ret == 0) {
+			} else if (ret == 0 || ret == -EINPROGRESS) {
 				/* We've started resuming the GPU already, so
 				 * it will handle scheduling a full reprobe
 				 * itself

drivers/gpu/drm/nouveau/nouveau_fbcon.c

@@ -467,7 +467,7 @@ nouveau_fbcon_set_suspend_work(struct work_struct *work)
 	if (state == FBINFO_STATE_RUNNING) {
 		nouveau_fbcon_hotplug_resume(drm->fbcon);
 		pm_runtime_mark_last_busy(drm->dev->dev);
-		pm_runtime_put_sync(drm->dev->dev);
+		pm_runtime_put_autosuspend(drm->dev->dev);
 	}
 }