diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-08-01 14:35:02 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-08-07 17:37:12 -0400 |
| commit | ce149a9406c104e7a361afae18a13d4eaa5c2429 (patch) | |
| tree | 2db9483437295acb9fb2e7ad8e47ae68c0441ed9 | |
| parent | 2858c00d2823c83acce2a1175dbabb2cebee8678 (diff) | |
| download | linux-ce149a9406c104e7a361afae18a13d4eaa5c2429.tar.bz2 | |
drm/radeon/dpm: disable sclk ss on rv6xx
Enabling spread spectrum on the engine clock
leads to hangs on some asics.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=66963
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/radeon/rv6xx_dpm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c b/drivers/gpu/drm/radeon/rv6xx_dpm.c index e44a90a359a5..bdd888b4db2b 100644 --- a/drivers/gpu/drm/radeon/rv6xx_dpm.c +++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c @@ -1992,6 +1992,9 @@ int rv6xx_dpm_init(struct radeon_device *rdev) pi->mclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss, ASIC_INTERNAL_MEMORY_SS, 0); + /* Disable sclk ss, causes hangs on a lot of systems */ + pi->sclk_ss = false; + if (pi->sclk_ss || pi->mclk_ss) pi->dynamic_ss = true; else |