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drm/dp: add extended receiver capability field present bit

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This bit was added to DP Training Aux RD interval with DP 1.3. Via
descriptiion of the spec this field indicates the panels true
capabilities are described in DPCD address space 02200h through 022FFh.

v2: version comment update
v3: version comment correction, commit message update
v4: white space correction

Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
[manasi: fixup whitespace per Rodrigo's comment]
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180723212735.23893-1-matthew.s.atwood@intel.com
This commit is contained in:
Matt Atwood 2018-07-23 14:27:34 -07:00 committed by Manasi Navare
parent 638e9af16b
commit 0aeb35ea0e
1 changed files with 3 additions and 2 deletions
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5
include/drm/drm_dp_helper.h
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@ -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 /* DP 1.3 */
# define DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT (1 << 7) /* DP 1.3 */
#define DP_ADAPTER_CAP 0x00f /* 1.2 */
# define DP_FORCE_LOAD_SENSE_CAP (1 << 0)