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authorDave Airlie <airlied@redhat.com>2015-07-14 11:33:31 +1000
committerDave Airlie <airlied@redhat.com>2015-08-21 12:04:49 +1000
commit44790462d041d3037d60b3bf88f30837a72006ff (patch)
treef142d3a6a481850cd0c7ae6ed9d6341973b1fdc6 /include/drm
parentaaba64487a96df6584a05d8898634307f3c86790 (diff)
downloadlinux-linaro-stable-44790462d041d3037d60b3bf88f30837a72006ff.tar.gz
drm/dp/mst: dump branch OUI in debugfs (v2)
It appears some MST docks are worse than other, but the only way to know is to see the sw revisions in here, so dump the branch OUI so we can look at the sw revision. v2: Thierry made me feel guilty, so I parsed the branch OUI. Reviewed-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/drm_dp_helper.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 94898f6ea02a..499e9f625aef 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -578,6 +578,7 @@ u8 drm_dp_get_adjust_request_voltage(const u8 link_status[DP_LINK_STATUS_SIZE],
u8 drm_dp_get_adjust_request_pre_emphasis(const u8 link_status[DP_LINK_STATUS_SIZE],
int lane);
+#define DP_BRANCH_OUI_HEADER_SIZE 0xc
#define DP_RECEIVER_CAP_SIZE 0xf
#define EDP_PSR_RECEIVER_CAP_SIZE 2