From d13dfff717c19edb64f1391b124642f5f13590dd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Wed, 24 Nov 2021 13:36:51 +0200
Subject: drm/i915/fbc: No FBC+double wide pipe
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Git-commit: d5ba72f3c18e4556d99bb0360279d0b1e9544359
Patch-mainline: v5.17-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
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>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/display/intel_fbc.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index 5b923aa0275e..3b01a0251158 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -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
--
2.38.1