[PATCH 1/8] drm/i915/hdmi: use intel_de_wait_for_set() instead of wait_for()

Jani Nikula jani.nikula at intel.com
Thu Jun 26 17:42:59 UTC 2025


Prefer the register read specific wait function over i915 wait_for().

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/display/intel_hdmi.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 9961ff259298..8ba61259336e 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -1582,9 +1582,9 @@ bool intel_hdmi_hdcp_check_link_once(struct intel_digital_port *dig_port,
 	intel_de_write(display, HDCP_RPRIME(display, cpu_transcoder, port), ri.reg);
 
 	/* Wait for Ri prime match */
-	if (wait_for((intel_de_read(display, HDCP_STATUS(display, cpu_transcoder, port)) &
-		      (HDCP_STATUS_RI_MATCH | HDCP_STATUS_ENC)) ==
-		     (HDCP_STATUS_RI_MATCH | HDCP_STATUS_ENC), 1)) {
+	ret = intel_de_wait_for_set(display, HDCP_STATUS(display, cpu_transcoder, port),
+				    HDCP_STATUS_RI_MATCH | HDCP_STATUS_ENC, 1);
+	if (ret) {
 		drm_dbg_kms(display->drm, "Ri' mismatch detected (%x)\n",
 			    intel_de_read(display, HDCP_STATUS(display, cpu_transcoder,
 							       port)));
-- 
2.39.5



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