This is needed by an upcoming patch that moves the PCH/CRT PLL enabling
into the pre_enable hook, after which we want to keep the modeset
sequence at its current state. At this point this won't have an effect
since the PCH/CRT pre_enable hook is atm a NOP.
Signed-off-by: Imre Deak <imre.d...@intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 2442a88..b480d86 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4145,15 +4145,14 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
intel_crtc->active = true;
intel_set_cpu_fifo_underrun_reporting(dev, pipe, true);
- if (intel_crtc->config.has_pch_encoder)
- intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, true);
+ for_each_encoder_on_crtc(dev, crtc, encoder)
+ if (encoder->pre_enable)
+ encoder->pre_enable(encoder);
- if (intel_crtc->config.has_pch_encoder)
+ if (intel_crtc->config.has_pch_encoder) {
+ intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, true);
dev_priv->display.fdi_link_train(crtc);
-
- for_each_encoder_on_crtc(dev, crtc, encoder)
- if (encoder->pre_enable)
- encoder->pre_enable(encoder);
+ }
intel_ddi_enable_pipe_clock(intel_crtc);
--
1.8.4
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