drm/amdgpu: force fbdev into vram

[ Upstream commit a6aacb2b26e85aa619cf0c6f98d0ca77314cd2a1 ]

We set the fb smem pointer to the offset into the BAR, so keep
the fbdev bo in vram.

Bug: https://bugzilla.kernel.org/show_bug.cgi?id=207581
Fixes: 6c8d74caa2fa33 ("drm/amdgpu: Enable scatter gather display support")
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index 143753d..eaa5e7b 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -133,8 +133,7 @@ static int amdgpufb_create_pinned_object(struct amdgpu_fbdev *rfbdev,
        u32 cpp;
        u64 flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
                               AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS     |
-                              AMDGPU_GEM_CREATE_VRAM_CLEARED        |
-                              AMDGPU_GEM_CREATE_CPU_GTT_USWC;
+                              AMDGPU_GEM_CREATE_VRAM_CLEARED;
 
        info = drm_get_format_info(adev->ddev, mode_cmd);
        cpp = info->cpp[0];