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* [Intel-gfx] [v2] drm/i915/display/fbc: Disable fbc by default on TGL
@ 2020-07-16 14:58 Uma Shankar
  2020-07-16 14:44 ` Ville Syrjälä
                   ` (3 more replies)
  0 siblings, 4 replies; 8+ messages in thread
From: Uma Shankar @ 2020-07-16 14:58 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.

v2: Moved the check below the module param check (Ville)

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..195b8be4532a 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -1426,6 +1426,13 @@ static int intel_sanitize_fbc_option(struct drm_i915_private *dev_priv)
 	if (!HAS_FBC(dev_priv))
 		return 0;
 
+	/*
+	 * 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 (IS_BROADWELL(dev_priv) || INTEL_GEN(dev_priv) >= 9)
 		return 1;
 
-- 
2.22.0

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^ permalink raw reply related	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2020-07-28  8:21 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-07-16 14:58 [Intel-gfx] [v2] drm/i915/display/fbc: Disable fbc by default on TGL Uma Shankar
2020-07-16 14:44 ` Ville Syrjälä
2020-07-28  8:21   ` Shankar, Uma
2020-07-16 15:43 ` [Intel-gfx] ✗ Fi.CI.BAT: failure for drm/i915/display/fbc: Disable fbc by default on TGL (rev2) Patchwork
2020-07-16 15:51   ` Shankar, Uma
2020-07-16 17:24     ` Vudum, Lakshminarayana
2020-07-16 17:18 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2020-07-16 19:28 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork

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