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* [PATCH] drm/i915/lvds: do not set border bits when panel fitter is not enabled
@ 2016-04-29  9:36 Jani Nikula
  2016-04-29 10:12 ` Ville Syrjälä
  2016-04-29 11:18 ` ✓ Fi.CI.BAT: success for " Patchwork
  0 siblings, 2 replies; 6+ messages in thread
From: Jani Nikula @ 2016-04-29  9:36 UTC (permalink / raw)
  To: intel-gfx; +Cc: Jani Nikula

We also don't read the border bits in i9xx_get_pfit_config() when the
panel fitter is not enabled, causing the state checker warning:

[drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in
gmch_pfit.lvds_border_bits (expected 0x00008000, found 0x00000000)

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=87632
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/i915/intel_panel.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 828f0fcaaaf8..67cf2e22ba51 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -363,6 +363,7 @@ out:
 	if ((pfit_control & PFIT_ENABLE) == 0) {
 		pfit_control = 0;
 		pfit_pgm_ratios = 0;
+		border = 0;
 	}
 
 	/* Make sure pre-965 set dither correctly for 18bpp panels. */
-- 
2.1.4

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^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2016-05-02  9:10 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-04-29  9:36 [PATCH] drm/i915/lvds: do not set border bits when panel fitter is not enabled Jani Nikula
2016-04-29 10:12 ` Ville Syrjälä
2016-04-29 11:57   ` Ville Syrjälä
2016-04-29 12:35     ` Jani Nikula
2016-05-02  9:09       ` Daniel Vetter
2016-04-29 11:18 ` ✓ Fi.CI.BAT: success for " Patchwork

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