diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-03-22 15:59:10 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-06-27 19:16:39 -0400 |
| commit | 4489cd62e5a2a4900422424457c6e8dca875056b (patch) | |
| tree | 8a7bccd0b4cd944185e438145bcfb29b8a7aab5f /drivers/gpu/drm/radeon/ni_dpm.c | |
| parent | f907eec036511ed2ff8cc5de58b6a1cef4bb4033 (diff) | |
| download | blackbird-op-linux-4489cd62e5a2a4900422424457c6e8dca875056b.tar.gz blackbird-op-linux-4489cd62e5a2a4900422424457c6e8dca875056b.zip | |
drm/radeon/dpm: validate voltages against dispclk requirements
Validate the voltages against the voltage requirements of the
dispclk. We currently don't adjust the disp clock so it never
changes, but we need to filter out voltage levels that are too
low none the less.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/ni_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni_dpm.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c index af059655055d..21c064badaa2 100644 --- a/drivers/gpu/drm/radeon/ni_dpm.c +++ b/drivers/gpu/drm/radeon/ni_dpm.c @@ -866,7 +866,9 @@ static void ni_apply_state_adjust_rules(struct radeon_device *rdev, btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk, ps->performance_levels[i].mclk, max_limits->vddc, &ps->performance_levels[i].vddc); - /* XXX validate the voltage required for display */ + btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk, + rdev->clock.current_dispclk, + max_limits->vddc, &ps->performance_levels[i].vddc); } for (i = 0; i < ps->performance_level_count; i++) { @@ -3910,6 +3912,22 @@ int ni_dpm_init(struct radeon_device *rdev) if (ret) return ret; + rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries = + kzalloc(4 * sizeof(struct radeon_clock_voltage_dependency_entry), GFP_KERNEL); + if (!rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries) { + r600_free_extended_power_table(rdev); + return -ENOMEM; + } + rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.count = 4; + rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].clk = 0; + rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].v = 0; + rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].clk = 36000; + rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].v = 720; + rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].clk = 54000; + rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].v = 810; + rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].clk = 72000; + rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].v = 900; + ni_patch_dependency_tables_based_on_leakage(rdev); if (rdev->pm.dpm.voltage_response_time == 0) @@ -4094,6 +4112,7 @@ void ni_dpm_fini(struct radeon_device *rdev) } kfree(rdev->pm.dpm.ps); kfree(rdev->pm.dpm.priv); + kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries); r600_free_extended_power_table(rdev); } |
