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drm/i915/fbc: No FBC+double wide pipe

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FBC and double wide pipe are mutually exclusive. Disable FBC when
we have to resort to double wide.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211124113652.22090-20-ville.syrjala@linux.intel.com
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
This commit is contained in:
Ville Syrjälä 2021-11-24 13:36:51 +02:00
parent d3e27f7c51
commit d5ba72f3c1
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/i915/display/intel_fbc.c
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@ -1056,6 +1056,11 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state,
return 0;
}
if (crtc_state->double_wide) {
plane_state->no_fbc_reason = "double wide pipe not supported";
return 0;
}
/*
* Display 12+ is not supporting FBC with PSR2.
* Recommendation is to keep this combination disabled