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* [PATCH] drm/display/dp: Rename bit 4 of DPCD TEST_REQUEST to match DP2.1 spec
@ 2025-10-28 22:28 Khaled Almahallawy
  2025-10-29  0:51 ` ✗ CI.checkpatch: warning for " Patchwork
                   ` (5 more replies)
  0 siblings, 6 replies; 11+ messages in thread
From: Khaled Almahallawy @ 2025-10-28 22:28 UTC (permalink / raw)
  To: dri-devel, linux-arm-msm
  Cc: intel-gfx, intel-xe, Khaled Almahallawy, Jani Nikula, Rob Clark,
	Dmitry Baryshkov, Abhinav Kumar, Sean Paul

The DP_TEST_LINK_FAUX_PATTERN field was deprecated in the DP 1.3 spec.
Update its name to align with the DP 2.1 definition and reflect its
actual use in the code. No functional changes.

Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Rob Clark <robin.clark@oss.qualcomm.com>
Cc: Dmitry Baryshkov <lumag@kernel.org>
Cc: Abhinav Kumar <quic_abhinavk@quicinc.com>
Cc: Sean Paul <sean@poorly.run>
Signed-off-by: Khaled Almahallawy <khaled.almahallawy@intel.com>
---
 drivers/gpu/drm/msm/dp/dp_link.c | 2 +-
 include/drm/display/drm_dp.h     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_link.c b/drivers/gpu/drm/msm/dp/dp_link.c
index 66e1bbd80db3..5d465cf4dbc2 100644
--- a/drivers/gpu/drm/msm/dp/dp_link.c
+++ b/drivers/gpu/drm/msm/dp/dp_link.c
@@ -665,7 +665,7 @@ static int msm_dp_link_parse_request(struct msm_dp_link_private *link)
 		return rlen;
 	}
 
-	if (!data || (data == DP_TEST_LINK_FAUX_PATTERN)) {
+	if (!data || (data == DP_TEST_PHY_TEST_CHANNEL_CODING_TYPE)) {
 		drm_dbg_dp(link->drm_dev, "link 0x%x not supported\n", data);
 		goto end;
 	}
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index e4eebabab975..610b8cbf1125 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -849,7 +849,7 @@
 # define DP_TEST_LINK_VIDEO_PATTERN	    (1 << 1)
 # define DP_TEST_LINK_EDID_READ		    (1 << 2)
 # define DP_TEST_LINK_PHY_TEST_PATTERN	    (1 << 3) /* DPCD >= 1.1 */
-# define DP_TEST_LINK_FAUX_PATTERN	    (1 << 4) /* DPCD >= 1.2 */
+# define DP_TEST_PHY_TEST_CHANNEL_CODING_TYPE	    (1 << 4)
 # define DP_TEST_LINK_AUDIO_PATTERN         (1 << 5) /* DPCD >= 1.2 */
 # define DP_TEST_LINK_AUDIO_DISABLED_VIDEO  (1 << 6) /* DPCD >= 1.2 */
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 11+ messages in thread
end of thread, other threads:[~2025-10-31  9:36 UTC | newest]

Thread overview: 11+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-10-28 22:28 [PATCH] drm/display/dp: Rename bit 4 of DPCD TEST_REQUEST to match DP2.1 spec Khaled Almahallawy
2025-10-29  0:51 ` ✗ CI.checkpatch: warning for " Patchwork
2025-10-29  0:52 ` ✓ CI.KUnit: success " Patchwork
2025-10-29  1:43 ` ✓ Xe.CI.BAT: " Patchwork
2025-10-29  8:57 ` [PATCH] " Dmitry Baryshkov
2025-10-29 21:43   ` Almahallawy, Khaled
2025-10-30  0:12     ` Dmitry Baryshkov
2025-10-29  9:42 ` Konrad Dybcio
2025-10-29 21:42   ` Almahallawy, Khaled
2025-10-31  9:35     ` Konrad Dybcio
2025-10-29 14:15 ` ✓ Xe.CI.Full: success for " Patchwork

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