Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-08 21:21:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

drm/radeon/dpm: disable sclk ss on rv6xx

Browse Source 
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>
This commit is contained in:
Alex Deucher 2013-08-01 14:35:02 -04:00
parent 2858c00d28
commit ce149a9406
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/radeon/rv6xx_dpm.c
View File

@ -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