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drm/i915/display/fbc: Disable fbc by default on TGL

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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>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200716145857.6911-1-uma.shankar@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Uma Shankar 2020-07-16 20:28:57 +05:30 committed by Rodrigo Vivi
parent c746063ab1
commit 2982ded2ff
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/i915/display/intel_fbc.c
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@ -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;