[PATCH] drm/i915/display: Disable AuxCCS framebuffers if built for Xe - Juha-Pekka Heikkila

From: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
To: intel-xe@lists.freedesktop.org, intel-gfx@lists.freedesktop.org
Cc: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>,
	"Souza, Jose" <jose.souza@intel.com>,
	Jani Nikula <jani.nikula@linux.intel.com>
Subject: [PATCH] drm/i915/display: Disable AuxCCS framebuffers if built for Xe
Date: Wed, 28 Feb 2024 16:02:25 +0200	[thread overview]
Message-ID: <20240228140225.858145-1-juhapekka.heikkila@gmail.com> (raw)

AuxCCS framebuffers don't work on Xe driver hence disable them
from plane capabilities until they are fixed. FlatCCS framebuffers
work and they are left enabled. CCS is left untouched for i915
driver.

Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/933
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
---
 drivers/gpu/drm/i915/display/skl_universal_plane.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index e941e2e4fd14..860574d04f88 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -2295,6 +2295,9 @@ static u8 skl_get_plane_caps(struct drm_i915_private *i915,
 	if (HAS_4TILE(i915))
 		caps |= INTEL_PLANE_CAP_TILING_4;
 
+	if (!IS_ENABLED(I915) && !HAS_FLAT_CCS(i915))
+		return caps;
+
 	if (skl_plane_has_rc_ccs(i915, pipe, plane_id)) {
 		caps |= INTEL_PLANE_CAP_CCS_RC;
 		if (DISPLAY_VER(i915) >= 12)
-- 
2.25.1

