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author | Jani Nikula <jani.nikula@intel.com> | 2021-02-11 17:52:11 +0300 |
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committer | Jani Nikula <jani.nikula@intel.com> | 2021-02-22 19:04:50 +0300 |
commit | c093056b67a3dd45cf6fc2f2b7902053338891f1 (patch) | |
tree | f85ac4ff27878eab5a8fcb21b0df5ff619baa897 /include/drm/drm_dp_helper.h | |
parent | 1b6872fe1efc5d8d78f5a3a54830e05b557ab3e9 (diff) | |
download | linux-c093056b67a3dd45cf6fc2f2b7902053338891f1.tar.xz |
drm/dp: add MSO related DPCD registers
Add DPCD register definitions for eDP 1.4 Multi-SST Operation.
Cc: Nischal Varide <nischal.varide@intel.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ab57627f373ec4a80494bb51ea51080810d9bfb0.1613054234.git.jani.nikula@intel.com
Diffstat (limited to 'include/drm/drm_dp_helper.h')
-rw-r--r-- | include/drm/drm_dp_helper.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index edffd1dcca3e..632ad7faa006 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -1016,6 +1016,11 @@ struct drm_device; #define DP_EDP_REGIONAL_BACKLIGHT_BASE 0x740 /* eDP 1.4 */ #define DP_EDP_REGIONAL_BACKLIGHT_0 0x741 /* eDP 1.4 */ +#define DP_EDP_MSO_LINK_CAPABILITIES 0x7a4 /* eDP 1.4 */ +# define DP_EDP_MSO_NUMBER_OF_LINKS_MASK (7 << 0) +# define DP_EDP_MSO_NUMBER_OF_LINKS_SHIFT 0 +# define DP_EDP_MSO_INDEPENDENT_LINK_BIT (1 << 3) + /* Sideband MSG Buffers */ #define DP_SIDEBAND_MSG_DOWN_REQ_BASE 0x1000 /* 1.2 MST */ #define DP_SIDEBAND_MSG_UP_REP_BASE 0x1200 /* 1.2 MST */ |