diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni_dpm.c | 16 | ||||
| -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, 17 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c index bd96eaa3f015..559cf24d51af 100644 --- a/drivers/gpu/drm/radeon/ni_dpm.c +++ b/drivers/gpu/drm/radeon/ni_dpm.c @@ -765,6 +765,19 @@ static void ni_calculate_leakage_for_v_and_t(struct radeon_device *rdev, ni_calculate_leakage_for_v_and_t_formula(coeff, v, t, i_leakage, leakage); } +bool ni_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; + +} + static void ni_apply_state_adjust_rules(struct radeon_device *rdev, struct radeon_ps *rps) { @@ -775,7 +788,8 @@ static void ni_apply_state_adjust_rules(struct radeon_device *rdev, u16 vddc, vddci; int i; - if (rdev->pm.dpm.new_active_crtc_count > 1) + if ((rdev->pm.dpm.new_active_crtc_count > 1) || + ni_dpm_vblank_too_short(rdev)) disable_mclk_switching = true; else disable_mclk_switching = false; diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index c42b3674b426..c62428be9bed 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1945,6 +1945,7 @@ static struct radeon_asic cayman_asic = { .print_power_state = &ni_dpm_print_power_state, .debugfs_print_current_performance_level = &ni_dpm_debugfs_print_current_performance_level, .force_performance_level = &ni_dpm_force_performance_level, + .vblank_too_short = &ni_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 bca9a8bc062b..45d0693cddd5 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -624,6 +624,7 @@ void ni_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, struct seq_file *m); int ni_dpm_force_performance_level(struct radeon_device *rdev, enum radeon_dpm_forced_level level); +bool ni_dpm_vblank_too_short(struct radeon_device *rdev); int trinity_dpm_init(struct radeon_device *rdev); int trinity_dpm_enable(struct radeon_device *rdev); void trinity_dpm_disable(struct radeon_device *rdev); |