Commit 2982ded2 authored Jul 16, 2020 by Uma Shankar Committed by Rodrigo Vivi Aug 17, 2020

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

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>

parent c746063a

drivers/gpu/drm/i915/display/intel_fbc.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -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;