diff options
| author | Jani Nikula <[email protected]> | 2013-04-25 16:49:25 +0300 |
|---|---|---|
| committer | Daniel Vetter <[email protected]> | 2013-04-25 16:12:43 +0200 |
| commit | 35ffda4883a8d3f75632d7389dc96a25640033f0 (patch) | |
| tree | 634a9f199ac5c1049478062a468a1fae5f6dbb3f | |
| parent | 81a078092ed25b1017d1351c68837b750a09933a (diff) | |
drm/i915: hsw backlight registers need transcoder instead of pipe
v2: Make TRANSCODER_EDP handling more explicit. (Imre)
Signed-off-by: Jani Nikula <[email protected]>
Reviewed-by: Imre Deak <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_panel.c | 7 |
2 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 60e0e19373b1..e79669fa9fe2 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2087,6 +2087,10 @@ #define BLM_PIPE_A (0 << 29) #define BLM_PIPE_B (1 << 29) #define BLM_PIPE_C (2 << 29) /* ivb + */ +#define BLM_TRANSCODER_A BLM_PIPE_A /* hsw */ +#define BLM_TRANSCODER_B BLM_PIPE_B +#define BLM_TRANSCODER_C BLM_PIPE_C +#define BLM_TRANSCODER_EDP (3 << 29) #define BLM_PIPE(pipe) ((pipe) << 29) #define BLM_POLARITY_I965 (1 << 28) /* gen4 only */ #define BLM_PHASE_IN_INTERUPT_STATUS (1 << 26) diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 5d3e9d7d51a7..7f6141d9a06d 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); |