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drm/i915: enable and disable DDI_FUNC_CTL at the right time

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And the right time is exactly after/before changing PIPE_CONF. See the
documentation about the mode set sequence.

This code is not inside any encoder-specific callback because
DDI_FUNC_CTL is part of the pipe, so it is used by all encoders.

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>
This commit is contained in:
Paulo Zanoni
2012-10-05 12:05:53 -03:00
committed by Daniel Vetter
parent 79f689aa6b
commit 8d9ddbcbd0
4 changed files with 75 additions and 20 deletions
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3
drivers/gpu/drm/i915/intel_drv.h
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@@ -581,5 +581,8 @@ extern void intel_ddi_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
extern void intel_ddi_pll_init(struct drm_device *dev);
extern void intel_ddi_enable_pipe_func(struct drm_crtc *crtc);
extern void intel_ddi_disable_pipe_func(struct drm_i915_private *dev_priv,
enum pipe pipe);
#endif /* __INTEL_DRV_H__ */