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drm/i915: Consolidate DDI clock reading out in a single function 

2 pieces of code need to read out the DDI clock: the DDI encoder and the
MST encoder .get_config() vfuncs.

Until now the SKL read out code was only in the former, so let's move
the pre and post SKL logic in intel_ddi_clock_get() and this this one
everywhere.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2014-12-12 14:26:57 +00:00 committed by Daniel Vetter
parent 371abae844
commit 22606a18be
1 changed files with 7 additions and 6 deletions
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13
drivers/gpu/drm/i915/intel_ddi.c
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@ -834,7 +834,12 @@ static void hsw_ddi_clock_get(struct intel_encoder *encoder,
void intel_ddi_clock_get(struct intel_encoder *encoder,
struct intel_crtc_config *pipe_config)
{
hsw_ddi_clock_get(encoder, pipe_config);
struct drm_device *dev = encoder->base.dev;
if (INTEL_INFO(dev)->gen <= 8)
hsw_ddi_clock_get(encoder, pipe_config);
else
skl_ddi_clock_get(encoder, pipe_config);
}
static void
@ -2029,7 +2034,6 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder;
struct intel_hdmi *intel_hdmi;
u32 temp, flags = 0;
struct drm_device *dev = dev_priv->dev;
temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder));
if (temp & TRANS_DDI_PHSYNC)
@ -2106,10 +2110,7 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
dev_priv->vbt.edp_bpp = pipe_config->pipe_bpp;
}
if (INTEL_INFO(dev)->gen <= 8)
hsw_ddi_clock_get(encoder, pipe_config);
else
skl_ddi_clock_get(encoder, pipe_config);
intel_ddi_clock_get(encoder, pipe_config);
}
static void intel_ddi_destroy(struct drm_encoder *encoder)