diff options
| author |   Adam Jackson <ajax@redhat.com> | 2012-09-20 16:42:45 -0400 |
|---|---|---|
| committer |   Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-10-02 18:06:07 +0200 |
| commit | 232351777cd0fe2341f917d28bf130df2b44bf8a (patch) | |
| tree | d87db183b51bc5bb848508e0436bed177c7fb2d0 /include/drm | |
| parent | drm/dp: Document DP spec versions for various DPCD registers (diff) | |
| download | linux-dev-232351777cd0fe2341f917d28bf130df2b44bf8a.tar.xz linux-dev-232351777cd0fe2341f917d28bf130df2b44bf8a.zip | |
drm/dp: Make sink count DP 1.2 aware
Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drm_dp_helper.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 38ffcb4332aa..fe061489f91f 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -221,7 +221,8 @@ # define DP_PSR_FRAME_CAPTURE (1 << 3) #define DP_SINK_COUNT 0x200 -# define DP_SINK_COUNT_MASK (31 << 0) +/* prior to 1.2 bit 7 was reserved mbz */ +# define DP_GET_SINK_COUNT(x) ((((x) & 0x80) >> 1) | ((x) & 0x3f)) # define DP_SINK_CP_READY (1 << 6) #define DP_DEVICE_SERVICE_IRQ_VECTOR 0x201 |