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* [Intel-gfx] [PATCH] drm/i915/display/fbc: Disable fbc by default on TGL
@ 2020-07-16  8:55 Uma Shankar
  2020-07-16  8:52 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork
                   ` (2 more replies)
  0 siblings, 3 replies; 6+ messages in thread
From: Uma Shankar @ 2020-07-16  8:55 UTC (permalink / raw)
  To: intel-gfx

Fbc is causing random underruns in CI execution on TGL platforms.
Disabling the same while the problem is being debugged and analyzed.

Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
---
 drivers/gpu/drm/i915/display/intel_fbc.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index 3a4f980788a6..1d6370b29b27 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -1420,6 +1420,13 @@ void intel_fbc_handle_fifo_underrun_irq(struct drm_i915_private *dev_priv)
  */
 static int intel_sanitize_fbc_option(struct drm_i915_private *dev_priv)
 {
+	/*
+	 * Fbc is causing random underruns in CI execution on TGL platforms.
+	 * Disabling the same while the problem is being debugged and analyzed.
+	 */
+	if (IS_TIGERLAKE(dev_priv))
+		return 0;
+
 	if (dev_priv->params.enable_fbc >= 0)
 		return !!dev_priv->params.enable_fbc;
 
-- 
2.22.0

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

end of thread, other threads:[~2020-07-16 14:29 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-07-16  8:55 [Intel-gfx] [PATCH] drm/i915/display/fbc: Disable fbc by default on TGL Uma Shankar
2020-07-16  8:52 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork
2020-07-16 10:14 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2020-07-16 12:38 ` [Intel-gfx] [PATCH] " Ville Syrjälä
2020-07-16 12:48   ` Ville Syrjälä
2020-07-16 14:29     ` Shankar, Uma

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