From 8ca606de76a212b8c2b8212f82a13f8201cc3117 Mon Sep 17 00:00:00 2001 From: "Guttula, Suresh" Date: Fri, 16 Nov 2018 06:50:37 +0000 Subject: drm/amd:Enable/Disable NBPSTATE on On/OFF of UVD We observe black lines (underflow) on display when playing a 4K video with UVD. On Disabling Low memory P state this issue is not seen. In this patch ,disabling low memory P state only when video size >= 4k. Multiple runs of power measurement shows no impact Signed-off-by: suresh guttula Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h index a3ab1a41060f..5eb63288d157 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h @@ -65,6 +65,8 @@ struct amdgpu_uvd { struct drm_sched_entity entity; struct delayed_work idle_work; unsigned harvest_config; + /* store image width to adjust nb memory state */ + unsigned decode_image_width; }; int amdgpu_uvd_sw_init(struct amdgpu_device *adev); -- cgit v1.2.3