diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/cypress_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/cypress_dpm.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c index 9ef840807dd..9bcdd174780 100644 --- a/drivers/gpu/drm/radeon/cypress_dpm.c +++ b/drivers/gpu/drm/radeon/cypress_dpm.c @@ -2174,3 +2174,16 @@ void cypress_dpm_fini(struct radeon_device *rdev) kfree(rdev->pm.dpm.ps); kfree(rdev->pm.dpm.priv); } + +bool cypress_dpm_vblank_too_short(struct radeon_device *rdev) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + u32 vblank_time = r600_dpm_get_vblank_time(rdev); + u32 switch_limit = pi->mem_gddr5 ? 450 : 300; + + if (vblank_time < switch_limit) + return true; + else + return false; + +} |