[PATCH] drm/amdgpu: always allocate cleared VRAM for GEM allocations

[Alex Deucher]

This adds allocation latency, but aligns better with user
expectations.  The latency should improve with the drm buddy
clearing patches that Arun has been working on.

Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index ebb3f87ef4f6..768840e8937d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -347,6 +347,10 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void 
*data,
                return -EINVAL;
        }
 
+       /* always clear VRAM */
+       if (args->in.domains & AMDGPU_GEM_DOMAIN_VRAM)
+               flags |= AMDGPU_GEM_CREATE_VRAM_CLEARED;
+
        /* create a gem object to contain this object in */
        if (args->in.domains & (AMDGPU_GEM_DOMAIN_GDS |
            AMDGPU_GEM_DOMAIN_GWS | AMDGPU_GEM_DOMAIN_OA)) {
-- 
2.45.2