drm/radeon/dpm: save some display parameters for DPM

Required for SI.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 6c5cbe0e80b9..660781b3d6d9 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -2166,6 +2166,10 @@ static void dce6_program_watermarks(struct radeon_device *rdev,
         WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
         WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
 
+        /* save values for DPM */
+        radeon_crtc->line_time = line_time;
+        radeon_crtc->wm_high = latency_watermark_a;
+        radeon_crtc->wm_low = latency_watermark_b;
 }
 
 void dce6_bandwidth_update(struct radeon_device *rdev)