[Intel-gfx] [PATCH] drm/i915: Use correct downstream caps for check Src-Ctl mode for PCON

Ankit Nautiyal ankit.k.nautiyal at intel.com
Thu Apr 29 08:42:42 UTC 2021


Fix the typo in DPCD caps used for checking SRC CTL mode of
HDMI2.1 PCON

Fixes: 04b6603d13be (drm/i915/display: Configure HDMI2.1 Pcon for FRL
only if Src-Ctl mode is available)

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index dfa7da928ae5..b3e82aa8b4f8 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2112,7 +2112,7 @@ void intel_dp_check_frl_training(struct intel_dp *intel_dp)
 	 * -PCON supports SRC_CTL_MODE (VESA DP2.0-HDMI2.1 PCON Spec Draft-1 Sec-7)
 	 * -sink is HDMI2.1
 	 */
-	if (!(intel_dp->dpcd[2] & DP_PCON_SOURCE_CTL_MODE) ||
+	if (!(intel_dp->downstream_ports[2] & DP_PCON_SOURCE_CTL_MODE) ||
 	    !intel_dp_is_hdmi_2_1_sink(intel_dp) ||
 	    intel_dp->frl.is_trained)
 		return;
-- 
2.29.2



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