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| author |   Alex Deucher <alexander.deucher@amd.com> | 2013-02-15 16:26:33 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-06-27 19:16:28 -0400 |
| commit | 8ba104637b5901cdc52fb0455cefcc73dc4b10e4 (patch) | |
| tree | 9ae132c6b918e13c5e399f8f3c84396e3f80311b /drivers/gpu/drm/radeon/ni.c | |
| parent | drm/radeon: add support for ASPM on SI asics (v2) (diff) | |
| download | linux-dev-8ba104637b5901cdc52fb0455cefcc73dc4b10e4.tar.xz linux-dev-8ba104637b5901cdc52fb0455cefcc73dc4b10e4.zip | |
drm/radeon: enable additional power gating features on trinity
TN has some additional powergating features beyond what is
supported on ON/LN.
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 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index cafc3bd78a38..f30127cb30ef 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1176,6 +1176,16 @@ static void cayman_gpu_init(struct radeon_device *rdev) WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3)); udelay(50); + + /* set clockgating golden values on TN */ + if (rdev->family == CHIP_ARUBA) { + tmp = RREG32_CG(CG_CGTT_LOCAL_0); + tmp &= ~0x00380000; + WREG32_CG(CG_CGTT_LOCAL_0, tmp); + tmp = RREG32_CG(CG_CGTT_LOCAL_1); + tmp &= ~0x0e000000; + WREG32_CG(CG_CGTT_LOCAL_1, tmp); + } } /* |