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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-01-23 19:00:25 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-01-31 16:24:56 -0500 |
| commit | f770d78ac159a96071e3c4e4ab97c262e79506d3 (patch) | |
| tree | 7be959d9a91870b18082ce1077be019f6915af75 /drivers/gpu/drm/radeon/si.c | |
| parent | 90fb87791a698ae16af374aaaa9540fde37f6195 (diff) | |
| download | linux-f770d78ac159a96071e3c4e4ab97c262e79506d3.tar.bz2 | |
drm/radeon: halt engines before disabling MC (si)
It's better to halt the engines before we disable the MC.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/si.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/si.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 7a8ca728f36f..89b564ec3d34 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2220,11 +2220,6 @@ static void si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS)); - evergreen_mc_stop(rdev, &save); - if (evergreen_mc_wait_for_idle(rdev)) { - dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); - } - /* Disable CP parsing/prefetching */ WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT); @@ -2241,6 +2236,13 @@ static void si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp); } + udelay(50); + + evergreen_mc_stop(rdev, &save); + if (evergreen_mc_wait_for_idle(rdev)) { + dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); + } + if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE | RADEON_RESET_CP)) { grbm_soft_reset = SOFT_RESET_CB | SOFT_RESET_DB | |