[Intel-gfx] [PATCH 1/2] drm/dp: add extended receiver capability field present bit
matthew.s.atwood at intel.com
matthew.s.atwood at intel.com
Thu Jul 19 20:35:48 UTC 2018
From: Matt Atwood <matthew.s.atwood at intel.com>
This bit was added to DP Training Aux RD interval sometime between DP
1.2 and DP 1.3. Via description of the spec this field indicates the
panels true capabilities are described in DPCD address space 02200h
through 022FFh.
v2: version comment update
Signed-off-by: Matt Atwood <matthew.s.atwood at intel.com>
---
include/drm/drm_dp_helper.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index c01564991a9f..28061c69136b 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -123,8 +123,9 @@
# define DP_FRAMING_CHANGE_CAP (1 << 1)
# define DP_DPCD_DISPLAY_CONTROL_CAPABLE (1 << 3) /* edp v1.2 or higher */
-#define DP_TRAINING_AUX_RD_INTERVAL 0x00e /* XXX 1.2? */
-# define DP_TRAINING_AUX_RD_MASK 0x7F /* XXX 1.2? */
+#define DP_TRAINING_AUX_RD_INTERVAL 0x00e /* XXX 1.2? */
+# define DP_TRAINING_AUX_RD_MASK 0x7F /* XXX 1.3? */
+# define DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT (1 << 7)/* XXX 1.3? */
#define DP_ADAPTER_CAP 0x00f /* 1.2 */
# define DP_FORCE_LOAD_SENSE_CAP (1 << 0)
--
2.17.1
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