summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/intel_display.c
diff options
context:
space:
mode:
authorPaulo Zanoni <paulo.r.zanoni@intel.com>2012-11-20 13:27:37 -0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-11-21 17:47:06 +0100
commitcc391bbbddd16c36dabcb9f4a26500a2973a7108 (patch)
tree605d30eed7c3789489e31982c65b47dff56bf66a /drivers/gpu/drm/i915/intel_display.c
parentd63fa0dc1a3636816260bc507e59e168e423f150 (diff)
downloadlwn-cc391bbbddd16c36dabcb9f4a26500a2973a7108.tar.gz
lwn-cc391bbbddd16c36dabcb9f4a26500a2973a7108.zip
drm/i915: use cpu/pch transcoder on intel_enable_pipe
This function runs on Haswell, so set the correct pch_transcoder and cpu_transcoder variables. This fixes an assertion failure on Haswell VGA. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Damien Lespiau <damien.lespiau@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 82ab55af52fe..4e303cf7ead6 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1812,9 +1812,15 @@ static void intel_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe,
{
enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv,
pipe);
+ enum transcoder pch_transcoder;
int reg;
u32 val;
+ if (IS_HASWELL(dev_priv->dev))
+ pch_transcoder = TRANSCODER_A;
+ else
+ pch_transcoder = pipe;
+
/*
* A pipe without a PLL won't actually be able to drive bits from
* a plane. On ILK+ the pipe PLLs are integrated, so we don't
@@ -1825,8 +1831,8 @@ static void intel_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe,
else {
if (pch_port) {
/* if driving the PCH, we need FDI enabled */
- assert_fdi_rx_pll_enabled(dev_priv, pipe);
- assert_fdi_tx_pll_enabled(dev_priv, pipe);
+ assert_fdi_rx_pll_enabled(dev_priv, pch_transcoder);
+ assert_fdi_tx_pll_enabled(dev_priv, cpu_transcoder);
}
/* FIXME: assert CPU port conditions for SNB+ */
}