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authorAlex Deucher <alexander.deucher@amd.com>2013-08-12 19:24:05 +0400
committerAlex Deucher <alexander.deucher@amd.com>2013-08-31 00:30:37 +0400
commitf75195cac32bfd2ef07764bd370d3b788bd8b003 (patch)
treec0e6c07e152d154d368d7329e5c4fd06702a9ebb /drivers/gpu/drm/radeon/rv770_dpm.c
parent942bdf7f9ebc9a46e3f9b3c235112c0947905453 (diff)
downloadlinux-f75195cac32bfd2ef07764bd370d3b788bd8b003.tar.xz
drm/radeon/dpm: add reclocking quirk for ASUS K70AF
The LCD has a relatively short vblank time (216us), but the card is able to reclock memory fine in that time. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reported-by: normalrawr@gmail.com
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770_dpm.c')
-rw-r--r--drivers/gpu/drm/radeon/rv770_dpm.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index 094c67a29d0d..44c1e782a696 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -2517,8 +2517,16 @@ u32 rv770_dpm_get_mclk(struct radeon_device *rdev, bool low)
bool rv770_dpm_vblank_too_short(struct radeon_device *rdev)
{
u32 vblank_time = r600_dpm_get_vblank_time(rdev);
+ u32 switch_limit = 300;
- if (vblank_time < 300)
+ /* quirks */
+ /* ASUS K70AF */
+ if ((rdev->pdev->device == 0x9553) &&
+ (rdev->pdev->subsystem_vendor == 0x1043) &&
+ (rdev->pdev->subsystem_device == 0x1c42))
+ switch_limit = 200;
+
+ if (vblank_time < switch_limit)
return true;
else
return false;