aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/intel_panel.c
diff options
context:
space:
mode:
authorJani Nikula <jani.nikula@intel.com>2013-04-25 16:49:25 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-04-25 16:12:43 +0200
commit35ffda4883a8d3f75632d7389dc96a25640033f0 (patch)
tree634a9f199ac5c1049478062a468a1fae5f6dbb3f /drivers/gpu/drm/i915/intel_panel.c
parent81a078092ed25b1017d1351c68837b750a09933a (diff)
drm/i915: hsw backlight registers need transcoder instead of pipe
v2: Make TRANSCODER_EDP handling more explicit. (Imre) Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Imre Deak <imre.deak@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_panel.c')
-rw-r--r--drivers/gpu/drm/i915/intel_panel.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 5d3e9d7d51a..7f6141d9a06 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -344,6 +344,8 @@ void intel_panel_enable_backlight(struct drm_device *dev,
enum pipe pipe)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ enum transcoder cpu_transcoder =
+ intel_pipe_to_cpu_transcoder(dev_priv, pipe);
unsigned long flags;
spin_lock_irqsave(&dev_priv->backlight.lock, flags);
@@ -374,7 +376,10 @@ void intel_panel_enable_backlight(struct drm_device *dev,
else
tmp &= ~BLM_PIPE_SELECT;
- tmp |= BLM_PIPE(pipe);
+ if (cpu_transcoder == TRANSCODER_EDP)
+ tmp |= BLM_TRANSCODER_EDP;
+ else
+ tmp |= BLM_PIPE(cpu_transcoder);
tmp &= ~BLM_PWM_ENABLE;
I915_WRITE(reg, tmp);