diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-09-10 09:40:37 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-09-11 11:44:34 -0400 |
| commit | 84f3d9f7b4781dea6e11dcaf7f81367c1b39fef0 (patch) | |
| tree | 2b50f7903b5a9fa6c9f12cf2b7b1baf74fc1d48a /drivers/gpu/drm/radeon/rs780_dpm.c | |
| parent | 860024e5c9f61358917e2a13e9cdf92e75479aca (diff) | |
drm/radeon/dpm: fix fallback for empty UVD clocks
Some older 6xx-7xx boards didn't always fill in the
UVD clocks properly in the UVD power states. This
leads to the driver trying to set a 0 clock which
results in slow or broken UVD playback.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=69120
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon/rs780_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rs780_dpm.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/rs780_dpm.c b/drivers/gpu/drm/radeon/rs780_dpm.c index 625d6ea1f0d..828a7764660 100644 --- a/drivers/gpu/drm/radeon/rs780_dpm.c +++ b/drivers/gpu/drm/radeon/rs780_dpm.c @@ -726,14 +726,18 @@ static void rs780_parse_pplib_non_clock_info(struct radeon_device *rdev, if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) { rps->vclk = le32_to_cpu(non_clock_info->ulVCLK); rps->dclk = le32_to_cpu(non_clock_info->ulDCLK); - } else if (r600_is_uvd_state(rps->class, rps->class2)) { - rps->vclk = RS780_DEFAULT_VCLK_FREQ; - rps->dclk = RS780_DEFAULT_DCLK_FREQ; } else { rps->vclk = 0; rps->dclk = 0; } + if (r600_is_uvd_state(rps->class, rps->class2)) { + if ((rps->vclk == 0) || (rps->dclk == 0)) { + rps->vclk = RS780_DEFAULT_VCLK_FREQ; + rps->dclk = RS780_DEFAULT_DCLK_FREQ; + } + } + if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) rdev->pm.dpm.boot_ps = rps; if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE) |