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authorDave Airlie <airlied@redhat.com>2015-10-02 15:41:17 +1000
committerDave Airlie <airlied@redhat.com>2015-10-02 15:41:17 +1000
commitd4070ff71363a2b6598633f23558f809600ebad2 (patch)
tree61a031eae18b88c1b563c9761a478db8fcff264b /include/drm/drm_dp_helper.h
parent2d4df13c0f9ef56452b1d9a9016cb3946e17bfe5 (diff)
parentfd1ee4cc9326c97b52154ee2ef8cdd23ac6aae1c (diff)
Merge tag 'drm-intel-next-2015-09-11' of git://anongit.freedesktop.org/drm-intel into drm-next
- initialize backlight from VBT as fallback (Jani) - hpd A support from Ville - various atomic polish all over (mostly from Maarten) - first parts of virtualize gpu guest support on bdw from Zhiyuan Lv - GuC fixes from Alex - polish for the chv clocks code (Ville) - various things all over, as usual * tag 'drm-intel-next-2015-09-11' of git://anongit.freedesktop.org/drm-intel: (145 commits) drm/i915: Update DRIVER_DATE to 20150911 drm/i915: Remove one very outdated comment drm/i915: Use crtc->state for duplication. drm/i915: Do not handle a null plane state. drm/i915: Remove legacy plane updates for cursor and sprite planes. drm/i915: Use atomic state when changing cursor visibility. drm/i915: Use the atomic state in intel_update_primary_planes. drm/i915: Use the plane state in intel_crtc_info. drm/i915: Use atomic plane state in the primary plane update. drm/i915: add attached connector to hdmi container drm/i915: don't hard code vlv backlight frequency if unset drm/i915: initialize backlight max from VBT drm/i915: use pch backlight override on hsw too drm/i915/bxt: Clean up bxt_init_clock_gating drm/i915: Fix cmdparser STORE/LOAD command descriptors drm/i915: Dump pfit state as hex drm/i915: access the PP_ON_DELAYS/PP_OFF_DELAYS regs only pre GEN5 drm/i915: access the PP_CONTROL reg only pre GEN5 drm/i915: Refactor common ringbuffer allocation code drm/i915: use the yesno helper for logging ...
Diffstat (limited to 'include/drm/drm_dp_helper.h')
-rw-r--r--include/drm/drm_dp_helper.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index d0c88107996a..9ec4716df7b5 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -634,6 +634,13 @@ drm_dp_enhanced_frame_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
(dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP);
}
+static inline bool
+drm_dp_tps3_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_DPCD_REV] >= 0x12 &&
+ dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED;
+}
+
/*
* DisplayPort AUX channel
*/

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