From: Adam Jackson <ajax@redhat.com>
To: intel-gfx@lists.freedesktop.org
Subject: [PATCH 7/7] drm/i915/dp: Explicitly request 8/10 channel coding
Date: Tue, 12 Jul 2011 17:38:05 -0400 [thread overview]
Message-ID: <1310506685-855-8-git-send-email-ajax@redhat.com> (raw)
In-Reply-To: <1310506685-855-1-git-send-email-ajax@redhat.com>
It's not clear what a sink would do if you wrote zero to this register -
which I guess would mean "I don't support any channel encodings, good
luck" - but let's not find out.
Signed-off-by: Adam Jackson <ajax@redhat.com>
---
drivers/gpu/drm/i915/intel_dp.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 9a0c3ca..1c3a36f 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -769,6 +769,7 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
memset(intel_dp->link_configuration, 0, DP_LINK_CONFIGURATION_SIZE);
intel_dp->link_configuration[0] = intel_dp->link_bw;
intel_dp->link_configuration[1] = intel_dp->lane_count;
+ intel_dp->link_configuration[8] = DP_SET_ANSI_8B10B;
/*
* Check for DPCD version > 1.1 and enhanced framing support
--
1.7.6
next prev parent reply other threads:[~2011-07-12 21:38 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-12 21:37 [PATCH 0/7] Minor DisplayPort cleanup Adam Jackson
2011-07-12 21:37 ` [PATCH 1/7] drm: Fill in more of the DisplayPort DPCD registers Adam Jackson
2011-07-12 22:42 ` Keith Packard
2012-01-17 16:07 ` Daniel Vetter
2011-07-12 21:38 ` [PATCH 2/7] drm/i915/dp: Zero the DPCD data before connection probe Adam Jackson
2011-07-12 21:38 ` [PATCH 3/7] drm/i915/dp: Move DPCD dump to common code instead of PCH-only Adam Jackson
2011-07-12 21:38 ` [PATCH 4/7] drm/i915/dp: Read more DPCD registers on connection probe Adam Jackson
2011-07-12 21:38 ` [PATCH 5/7] drm/i915/dp: Better hexdump of DPCD Adam Jackson
2011-07-12 21:38 ` [PATCH 6/7] drm/i915/dp: Retry DPCD fetch on G4X too Adam Jackson
2011-07-12 21:38 ` Adam Jackson [this message]
2011-07-12 22:43 ` [PATCH 7/7] drm/i915/dp: Explicitly request 8/10 channel coding Keith Packard
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