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| author | Slava Grigorev <slava.grigorev@amd.com> | 2015-12-17 19:09:58 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-12-19 01:29:46 +0300 |
| commit | ac4a9350abddc51ccb897abf0d9f3fd592b97e0b (patch) | |
| tree | 8daaa6a5e98278a6da1656a728a1fa2510c150fb /drivers/gpu/drm/radeon/radeon_atombios.c | |
| parent | ee1782c3f27fec5462363af48f27811b049155ab (diff) | |
| download | linux-ac4a9350abddc51ccb897abf0d9f3fd592b97e0b.tar.xz | |
drm/radeon: Fix "slow" audio over DP on DCE8+
DP audio is derived from the dfs clock.
Signed-off-by: Slava Grigorev <slava.grigorev@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_atombios.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_atombios.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 8f285244c839..13e5513b73af 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1263,6 +1263,13 @@ bool radeon_atom_get_clock_info(struct drm_device *dev) rdev->mode_info.firmware_flags = le16_to_cpu(firmware_info->info.usFirmwareCapability.susAccess); + if (ASIC_IS_DCE8(rdev)) { + rdev->clock.gpupll_outputfreq = + le32_to_cpu(firmware_info->info_22.ulGPUPLL_OutputFreq); + if (rdev->clock.gpupll_outputfreq == 0) + rdev->clock.gpupll_outputfreq = 360000; /* 3.6 GHz */ + } + return true; } |