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drm/i915: Use pipe_config's cpu_transcoder for reading encoder hw state

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The get_config() functions for ddi and dp_mst, used to read the value
of cpu_transcoder from the crtc->config instead of the state passed as
an argument. On the hardware state readout path, that happens to work
since the proper value is written to it before encoder->get_config() is
called. However, in the check_crtc() path, the state will be read from
the cpu_transcoder in the software tracking, instead of the one just
read out from hw. Using the field in the supplied intel_crtc_state
should do the right thing in both cases.

v2: Fix intel_ddi_get_config() too. (Ander)

Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ander Conselvan de Oliveira 2015-01-30 12:17:23 +02:00 committed by Daniel Vetter
parent f82107950e
commit 0cb09a97d8
2 changed files with 2 additions and 2 deletions
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2
drivers/gpu/drm/i915/intel_ddi.c
View File

@ -2038,7 +2038,7 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
{
struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
struct intel_hdmi *intel_hdmi;
u32 temp, flags = 0;

2
drivers/gpu/drm/i915/intel_dp_mst.c
View File

@ -226,7 +226,7 @@ static void intel_dp_mst_enc_get_config(struct intel_encoder *encoder,
struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
struct drm_device *dev = encoder->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
enum transcoder cpu_transcoder = crtc->config->cpu_transcoder;
enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
u32 temp, flags = 0;
pipe_config->has_dp_encoder = true;