drm/radeon/dpm: fixup dynamic state adjust for TN

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>

diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c
index 1b3822f..0c1b50a 100644 (file)
--- a/drivers/gpu/drm/radeon/trinity_dpm.c
+++ b/drivers/gpu/drm/radeon/trinity_dpm.c
@@ -1379,6 +1379,11 @@ static void trinity_apply_state_adjust_rules(struct radeon_device *rdev)
        bool force_high;
        u32 num_active_displays = rdev->pm.dpm.new_active_crtc_count;
 
+       /* 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 trinity_patch_thermal_state(rdev, ps, current_ps);
 

diff --git a/drivers/gpu/drm/radeon/trinity_dpm.h b/drivers/gpu/drm/radeon/trinity_dpm.h
index 31100ac..c663aed 100644 (file)
--- a/drivers/gpu/drm/radeon/trinity_dpm.h
+++ b/drivers/gpu/drm/radeon/trinity_dpm.h
@@ -110,6 +110,7 @@ struct trinity_power_info {
        bool enable_dpm;
        bool enable_sclk_ds;
        bool uvd_dpm;
+       struct trinity_ps hw_ps;
 };
 
 #define TRINITY_AT_DFLT            30