drm/radeon/dpm: add helper to calculate vblank time

Required for checking vblank time for mclk changes. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-07-08 11:26:42 -04:00
parent 7e1f3c0419
commit 66edc1c95d
4 changed files with 29 additions and 0 deletions
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1841,6 +1841,9 @@ int atombios_crtc_mode_set(struct drm_crtc *crtc,
 	atombios_crtc_set_base(crtc, x, y, old_fb);
 	atombios_overscan_setup(crtc, mode, adjusted_mode);
 	atombios_scaler_setup(crtc);
+	/* update the hw version fpr dpm */
+	radeon_crtc->hw_mode = *adjusted_mode;
+
 	return 0;
 }