From d5ba72f3c18e4556d99bb0360279d0b1e9544359 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Wed, 24 Nov 2021 13:36:51 +0200
Subject: [PATCH] drm/i915/fbc: No FBC+double wide pipe
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit
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>
---
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 ba994c11eddd5..58a5d4430fa6e 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
--
2.30.2