[05/11] drm/i915: Explicitly use ddi buf trans entry 9 for hdmi

Message ID 20180511062101.27495-6-tjaalton@ubuntu.com
State New
Headers show
Series
  • i915_bpo: Fix flickering issue after panel change
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Commit Message

Timo Aaltonen May 11, 2018, 6:20 a.m.
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

BugLink: http://bugs.launchpad.net/bugs/1770565

When the DDI port is in HDMI/DVI mode, it automagically uses the buffer
translations values from entry 9. Let's make that explicit in the code.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1468328376-6380-6-git-send-email-ville.syrjala@linux.intel.com
(cherry picked from commit ed9c77d2612316fba202cf1d69fc903969e474c8)
Signed-off-by: Timo Aaltonen <timo.aaltonen@canonical.com>
---
 ubuntu/i915/intel_ddi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch

diff --git a/ubuntu/i915/intel_ddi.c b/ubuntu/i915/intel_ddi.c
index b41958beee35..bdb711c89ec6 100644
--- a/ubuntu/i915/intel_ddi.c
+++ b/ubuntu/i915/intel_ddi.c
@@ -526,9 +526,9 @@  void intel_prepare_ddi_buffer(struct intel_encoder *encoder)
 		return;
 
 	/* Entry 9 is for HDMI: */
-	I915_WRITE(DDI_BUF_TRANS_LO(port, i),
+	I915_WRITE(DDI_BUF_TRANS_LO(port, 9),
 		   ddi_translations_hdmi[hdmi_level].trans1 | iboost_bit);
-	I915_WRITE(DDI_BUF_TRANS_HI(port, i),
+	I915_WRITE(DDI_BUF_TRANS_HI(port, 9),
 		   ddi_translations_hdmi[hdmi_level].trans2);
 }