[PATCH] drm/amdgpu: add VISIBLE info in amdgpu_bo_print_info

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This allows tools to distinguish between VRAM and visible VRAM.

Use the opportunity to fix locking before accessing bo.

Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 33 ++++++++++++++--------
 1 file changed, 21 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index ff73cc11d47e..f12f019d7f99 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -1583,18 +1583,27 @@ u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m)
 	unsigned int pin_count;
 	u64 size;
 
-	domain = amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type);
-	switch (domain) {
-	case AMDGPU_GEM_DOMAIN_VRAM:
-		placement = "VRAM";
-		break;
-	case AMDGPU_GEM_DOMAIN_GTT:
-		placement = " GTT";
-		break;
-	case AMDGPU_GEM_DOMAIN_CPU:
-	default:
-		placement = " CPU";
-		break;
+	if (dma_resv_trylock(bo->tbo.base.resv)) {
+		unsigned int domain;
+		domain = amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type);
+		switch (domain) {
+		case AMDGPU_GEM_DOMAIN_VRAM:
+			if (amdgpu_bo_in_cpu_visible_vram(bo))
+				placement = "VRAM VISIBLE";
+			else
+				placement = "VRAM";
+			break;
+		case AMDGPU_GEM_DOMAIN_GTT:
+			placement = " GTT";
+			break;
+		case AMDGPU_GEM_DOMAIN_CPU:
+		default:
+			placement = " CPU";
+			break;
+		}
+		dma_resv_unlock(bo->tbo.base.resv);
+	} else {
+		placement = "UNKNOWN";
 	}
 
 	size = amdgpu_bo_size(bo);
-- 
2.40.0




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