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authorVille Syrjälä2020-09-04 14:53:40 +0300
committerVille Syrjälä2020-09-17 17:04:53 +0300
commit57d6a6851f05bf594d2918888c350347fb0c2eef (patch)
tree9cac0467ce2ad651897f00576bb9a87c19d45f97 /include/drm
parenta77ed90da6bb4062e3d8bc6daaa200a5494c7b0e (diff)
drm/dp: Define more downstream facing port caps
Our definitions for the DPCD DFP capabilities are lacking. Add the missing bits. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200904115354.25336-5-ville.syrjala@linux.intel.com Reviewed-by: Lyude Paul <lyude@redhat.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/drm_dp_helper.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 17d32d7632b6..86461a40066b 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -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