From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Bspec modeset sequence tells us to disable the PCH transcoder and
FDI after the CRT port on LPT-H, so let's do that.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 55419e4d032c..1dc125b6dcdc 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5159,18 +5159,17 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
if (!intel_crtc->config->has_dsi_encoder)
intel_ddi_disable_pipe_clock(intel_crtc);
- if (intel_crtc->config->has_pch_encoder) {
- lpt_disable_pch_transcoder(dev_priv);
- intel_ddi_fdi_disable(crtc);
- }
-
for_each_encoder_on_crtc(dev, crtc, encoder)
if (encoder->post_disable)
encoder->post_disable(encoder);
- if (intel_crtc->config->has_pch_encoder)
+ if (intel_crtc->config->has_pch_encoder) {
+ lpt_disable_pch_transcoder(dev_priv);
+ intel_ddi_fdi_disable(crtc);
+
intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A,
true);
+ }
}
static void i9xx_pfit_enable(struct intel_crtc *crtc)
--
2.4.10
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