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drm/radeon: enable RB_ARB before resetting the VCPU

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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>
This commit is contained in:
Christian König 2014-08-27 09:59:45 +02:00 committed by Alex Deucher
parent bdc99722d0
commit 32517d59eb
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/radeon/uvd_v1_0.c
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@ -319,12 +319,12 @@ int uvd_v1_0_start(struct radeon_device *rdev)
/* 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) {