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drm/radeon/dpm: fix fallback for empty UVD clocks

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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
This commit is contained in:
Alex Deucher 2013-09-10 09:40:37 -04:00
parent 860024e5c9
commit 84f3d9f7b4
2 changed files with 14 additions and 6 deletions
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10
drivers/gpu/drm/radeon/rs780_dpm.c
View file

@ -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)

10
drivers/gpu/drm/radeon/rv770_dpm.c
View file

@ -2147,14 +2147,18 @@ static void rv7xx_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 = RV770_DEFAULT_VCLK_FREQ;
rps->dclk = RV770_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 = RV770_DEFAULT_VCLK_FREQ;
rps->dclk = RV770_DEFAULT_DCLK_FREQ;
}
}
if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT)
rdev->pm.dpm.boot_ps = rps;
if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)