Commit 57d6a685 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/dp: Define more downstream facing port caps 



Our definitions for the DPCD DFP capabilities are lacking.
Add the missing bits.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200904115354.25336-5-ville.syrjala@linux.intel.com


Reviewed-by: default avatarLyude Paul <lyude@redhat.com>
Acked-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent a77ed90d

include/drm/drm_dp_helper.h

+7 −1
Original line number Diff line number Diff line
@@ -386,12 +386,18 @@ 
# define DP_DS_PORT_TYPE_WIRELESS           6

# define DP_DS_PORT_HPD			    (1 << 3)

/* offset 1 for VGA is maximum megapixels per second / 8 */

/* offset 2 */

/* offset 1 for DVI/HDMI is maximum TMDS clock in Mbps / 2.5 */

/* offset 2 for VGA/DVI/HDMI */

# define DP_DS_MAX_BPC_MASK	            (3 << 0)

# define DP_DS_8BPC		            0

# define DP_DS_10BPC		            1

# define DP_DS_12BPC		            2

# define DP_DS_16BPC		            3

/* offset 3 for DVI */

# define DP_DS_DVI_DUAL_LINK		    (1 << 1)

# define DP_DS_DVI_HIGH_COLOR_DEPTH	    (1 << 2)

/* offset 3 for HDMI */

# define DP_DS_HDMI_FRAME_SEQ_TO_FRAME_PACK (1 << 0)



#define DP_MAX_DOWNSTREAM_PORTS		    0x10