[PATCH v6 1/9] drm/i915/vrr: Return from PSR2 compute config in case of CMRR enabled

CMRR is mutually exclusive to PSR2, do not enable PSR2 when CMRR is
enabled.

--v2:
- Restrict selective update config check (Ankit)
- Commit message change

--v3:
- Commit changes

Signed-off-by: Mitul Golani <[email protected]>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 40e3d7095996..6a90ded5d1fa 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1587,6 +1587,12 @@ static bool intel_sel_update_config_valid(struct intel_crtc_state *crtc_state,
 	struct intel_dp *intel_dp = intel_attached_dp(connector);
 	struct intel_display *display = to_intel_display(intel_dp);
 
+	if (crtc_state->cmrr.enable) {
+		drm_dbg_kms(display->drm,
+			    "Selective update cannot be enabled when CMRR is enabled\n");
+		goto unsupported;
+	}
+
 	if (HAS_PSR2_SEL_FETCH(display) &&
 	    !intel_psr2_sel_fetch_config_valid(intel_dp, crtc_state) &&
 	    !HAS_PSR_HW_TRACKING(display)) {
-- 
2.48.1