drm/radeon: enable RB_ARB before resetting the VCPU
This fixes "UVD not responding, trying to reset the VCPU"
messages on earlier ASICs.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/uvd_v1_0.c b/drivers/gpu/drm/radeon/uvd_v1_0.c
index c3e182b..e72b3cb 100644
--- a/drivers/gpu/drm/radeon/uvd_v1_0.c
+++ b/drivers/gpu/drm/radeon/uvd_v1_0.c
@@ -319,12 +319,12 @@
/* enable UMC */
WREG32_P(UVD_LMI_CTRL2, 0, ~(1 << 8));
+ WREG32_P(UVD_RB_ARB_CTRL, 0, ~(1 << 3));
+
/* boot up the VCPU */
WREG32(UVD_SOFT_RESET, 0);
mdelay(10);
- WREG32_P(UVD_RB_ARB_CTRL, 0, ~(1 << 3));
-
for (i = 0; i < 10; ++i) {
uint32_t status;
for (j = 0; j < 100; ++j) {