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drm/i915: check TRANSCODER_EDP on intel_modeset_setup_hw_state

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We need to check if any of the pipes is using TRANSCODER_EDP.

V2: DDI_BUF_CTL was renamed, so fix the usage here.

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 2012-10-24 16:09:25 -02:00 committed by Daniel Vetter
parent ad80a810ec
commit e28d54cbf9
1 changed files with 25 additions and 0 deletions
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25
drivers/gpu/drm/i915/intel_display.c
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@ -8690,6 +8690,31 @@ void intel_modeset_setup_hw_state(struct drm_device *dev)
struct intel_encoder *encoder;
struct intel_connector *connector;
if (IS_HASWELL(dev)) {
tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP));
if (tmp & TRANS_DDI_FUNC_ENABLE) {
switch (tmp & TRANS_DDI_EDP_INPUT_MASK) {
case TRANS_DDI_EDP_INPUT_A_ON:
case TRANS_DDI_EDP_INPUT_A_ONOFF:
pipe = PIPE_A;
break;
case TRANS_DDI_EDP_INPUT_B_ONOFF:
pipe = PIPE_B;
break;
case TRANS_DDI_EDP_INPUT_C_ONOFF:
pipe = PIPE_C;
break;
}
crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
crtc->cpu_transcoder = TRANSCODER_EDP;
DRM_DEBUG_KMS("Pipe %c using transcoder EDP\n",
pipe_name(pipe));
}
}
for_each_pipe(pipe) {
crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);