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

Signed-off-by: Mitul Golani <[email protected]>

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

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

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