From c23032bbd04a383eba4703cd13846224adb97059 Mon Sep 17 00:00:00 2001 From: Nicholas Kazlauskas Date: Fri, 8 Mar 2019 10:38:16 -0500 Subject: [PATCH 1601/2940] drm/amdgpu: Clear VRAM for DRM dumb_create buffers The dumb_create API isn't intended for high performance rendering and it's more useful for userspace (ie. IGT) to have them precleared. The bonus here is that we also won't needlessly leak whatever was previously in VRAM, but it also probably wasn't sensitive if it was going through this API. Signed-off-by: Nicholas Kazlauskas Reviewed-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index f79aad64fde3..72242b121d2b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -831,7 +831,8 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv, domain = amdgpu_bo_get_preferred_pin_domain(adev, amdgpu_display_supported_domains(adev)); r = amdgpu_gem_object_create(adev, args->size, 0, domain, - AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, + AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | + AMDGPU_GEM_CREATE_VRAM_CLEARED, ttm_bo_type_device, NULL, &gobj); if (r) return -ENOMEM; -- 2.17.1