diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/cypress_dpm.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.h | 1 |
3 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c index 9ef8408..9bcdd17 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; + +} diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index c3b2f96..e730263 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1519,6 +1519,7 @@ static struct radeon_asic evergreen_asic = { .print_power_state = &rv770_dpm_print_power_state, .debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level, .force_performance_level = &rv770_dpm_force_performance_level, + .vblank_too_short = &cypress_dpm_vblank_too_short, }, .pflip = { .pre_page_flip = &evergreen_pre_page_flip, diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index ca219e9..0ef8b49 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -545,6 +545,7 @@ void cypress_dpm_disable(struct radeon_device *rdev); int cypress_dpm_set_power_state(struct radeon_device *rdev); void cypress_dpm_display_configuration_changed(struct radeon_device *rdev); void cypress_dpm_fini(struct radeon_device *rdev); +bool cypress_dpm_vblank_too_short(struct radeon_device *rdev); int btc_dpm_init(struct radeon_device *rdev); void btc_dpm_setup_asic(struct radeon_device *rdev); int btc_dpm_enable(struct radeon_device *rdev); |
