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drm: move DP_MAX_DOWNSTREAM_PORTS from i915 to drm core

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DP_MAX_DOWNSTREAM_PORTS=0x10 is a vendor-independent constant.

Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Oleg Vasilev <oleg.vasilev@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190829114854.1539-1-oleg.vasilev@intel.com
This commit is contained in:
Oleg Vasilev 2019-08-29 14:48:48 +03:00 committed by Jani Nikula
parent 44c58c520f
commit e512475189
2 changed files with 2 additions and 2 deletions
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2
drivers/gpu/drm/i915/display/intel_display_types.h
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@ -1178,8 +1178,6 @@ struct intel_hdmi {
};
struct intel_dp_mst_encoder;
#define DP_MAX_DOWNSTREAM_PORTS 0x10
/*
* enum link_m_n_set:
* When platform provides two set of M_N registers for dp, we can

2
include/drm/drm_dp_helper.h
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@ -392,6 +392,8 @@
# define DP_DS_12BPC 2
# define DP_DS_16BPC 3
#define DP_MAX_DOWNSTREAM_PORTS 0x10
/* DP Forward error Correction Registers */
#define DP_FEC_CAPABILITY 0x090 /* 1.4 */
# define DP_FEC_CAPABLE (1 << 0)