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authorManasi Navare <manasi.d.navare@intel.com>2018-10-09 03:23:51 +0300
committerManasi Navare <manasi.d.navare@intel.com>2018-10-20 03:15:27 +0300
commit4c953d03970a39d034ee2c860bbd65f5970aa2ce (patch)
treeff3f172f5a322843c1cdb55dd91df31ad4500c85 /include
parent4035cc5738d95911e6382f4cd716d3f02d51d343 (diff)
downloadlinux-4c953d03970a39d034ee2c860bbd65f5970aa2ce.tar.xz
drm/dp: Add definitions for eDP Rev 1.4a and 1.4b
VESA eDP 1.4 specification has separate fields defined in EDP_DPCD_REV for eDP 1.4a and 1.4b eDP revisions. This patch defines those. Found this when one of my eDP panels advertises eDP 1.4a (04h) in the EDP_DPCD_REV DPCD field. Cc: Jani Nikula <jani.nikula@intel.com> Cc: Ville Syrjala <ville.syrjala@linux.intel.com> Signed-off-by: Manasi Navare <manasi.d.navare@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181009002351.23085-1-manasi.d.navare@intel.com
Diffstat (limited to 'include')
-rw-r--r--include/drm/drm_dp_helper.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 2a3843f248cf..9ad98e8d9ede 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -685,6 +685,8 @@
# define DP_EDP_12 0x01
# define DP_EDP_13 0x02
# define DP_EDP_14 0x03
+# define DP_EDP_14a 0x04 /* eDP 1.4a */
+# define DP_EDP_14b 0x05 /* eDP 1.4b */
#define DP_EDP_GENERAL_CAP_1 0x701
# define DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP (1 << 0)