From: Alex Deucher alexander.deucher@amd.com
Use a dedicated copy of the current power state since we may have to adjust it on the fly.
Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/radeon/radeon.h | 1 + drivers/gpu/drm/radeon/radeon_pm.c | 13 ++++++++++++- drivers/gpu/drm/radeon/sumo_dpm.c | 5 +++++ drivers/gpu/drm/radeon/sumo_dpm.h | 1 + 4 files changed, 19 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 53aba4f..a4d8d97 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1294,6 +1294,7 @@ struct radeon_dpm { struct radeon_ps *boot_ps; /* default uvd power state */ struct radeon_ps *uvd_ps; + struct radeon_ps hw_ps; enum radeon_pm_state_type state; enum radeon_pm_state_type user_state; u32 platform_caps; diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 9ac261f..7ee8cf6 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -687,6 +687,17 @@ restart_search: return NULL; }
+static void radeon_dpm_update_requested_ps(struct radeon_device *rdev, + struct radeon_ps *ps) +{ + /* copy the ps to the hw ps and point the requested ps + * at the hw state in case the driver wants to modify + * the state dynamically. + */ + rdev->pm.dpm.hw_ps = *ps; + rdev->pm.dpm.requested_ps = &rdev->pm.dpm.hw_ps; +} + static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev) { int i; @@ -707,7 +718,7 @@ static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev)
ps = radeon_dpm_pick_power_state(rdev, dpm_state); if (ps) - rdev->pm.dpm.requested_ps = ps; + radeon_dpm_update_requested_ps(rdev, ps); else return;
diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c index cef25c4..3805302 100644 --- a/drivers/gpu/drm/radeon/sumo_dpm.c +++ b/drivers/gpu/drm/radeon/sumo_dpm.c @@ -1072,6 +1072,11 @@ static void sumo_apply_state_adjust_rules(struct radeon_device *rdev) u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */ u32 i;
+ /* point to the hw copy since this function will modify the ps */ + pi->hw_ps = *ps; + rdev->pm.dpm.hw_ps.ps_priv = &pi->hw_ps; + ps = &pi->hw_ps; + if (rps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL) return sumo_patch_thermal_state(rdev, ps, current_ps);
diff --git a/drivers/gpu/drm/radeon/sumo_dpm.h b/drivers/gpu/drm/radeon/sumo_dpm.h index d041a6c..a40b62a 100644 --- a/drivers/gpu/drm/radeon/sumo_dpm.h +++ b/drivers/gpu/drm/radeon/sumo_dpm.h @@ -129,6 +129,7 @@ struct sumo_power_info { bool enable_dynamic_patch_ps; bool enable_dpm; bool enable_boost; + struct sumo_ps hw_ps; };
#define SUMO_UTC_DFLT_00 0x48