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>
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index c7ad4b9..b9d3b43 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1841,6 +1841,9 @@
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;
}