Older firmware versions don't support 3 rings. fixes: https://bugs.freedesktop.org/show_bug.cgi?id=98016 Signed-off-by: Alex Deucher <alexander.deucher at amd.com> --- drivers/gpu/drm/amd/amdgpu/vce_v3_0.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c index 5ed2930..55cfc53 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c @@ -382,6 +382,10 @@ static int vce_v3_0_sw_init(void *handle) if (r) return r; + /* 52.8.3 required for 3 ring support */ + if (adev->vce.fw_version < 0x34080300) + adev->vce.num_rings = 2; + r = amdgpu_vce_resume(adev); if (r) return r; -- 2.5.5
