diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-01-24 03:59:17 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-02-01 01:24:56 +0400 |
| commit | 90fb87791a698ae16af374aaaa9540fde37f6195 (patch) | |
| tree | cd042fd77f24e0d21764110d016dd5178b576166 /drivers/gpu/drm/radeon/ni.c | |
| parent | b21b6e7aab9d0ee97f6d3cf3654fda4348b3b7ea (diff) | |
| download | linux-90fb87791a698ae16af374aaaa9540fde37f6195.tar.xz | |
drm/radeon: halt engines before disabling MC (cayman/TN)
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/ni.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index eee013f5699a..4784c4e5056f 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1405,13 +1405,6 @@ static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", RREG32(0x14DC)); - r600_set_bios_scratch_engine_hung(rdev, true); - - 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); @@ -1429,6 +1422,13 @@ static void cayman_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)) { grbm_soft_reset = SOFT_RESET_CB | SOFT_RESET_DB | |