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drm/dp: note that DPCD 0x2002-0x2003 match 0x200-0x201

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DP_SINK_COUNT_ESI and DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0 have the same
contents as DP_SINK_COUNT and DP_DEVICE_SERVICE_IRQ_VECTOR,
respectively.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220104184857.784563-1-jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2022-01-04 20:48:56 +02:00
parent c406ad5e4a
commit 55a9c00021
1 changed files with 2 additions and 5 deletions
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7
include/drm/drm_dp_helper.h
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@ -1038,11 +1038,8 @@ struct drm_panel;
#define DP_SIDEBAND_MSG_UP_REQ_BASE 0x1600 /* 1.2 MST */
/* DPRX Event Status Indicator */
#define DP_SINK_COUNT_ESI 0x2002 /* 1.2 */
/* 0-5 sink count */
# define DP_SINK_COUNT_CP_READY (1 << 6)
#define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0 0x2003 /* 1.2 */
#define DP_SINK_COUNT_ESI 0x2002 /* same as 0x200 */
#define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0 0x2003 /* same as 0x201 */
#define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI1 0x2004 /* 1.2 */
# define DP_RX_GTC_MSTR_REQ_STATUS_CHANGE (1 << 0)