6.8-stable review patch. If anyone has any objections, please let me know.
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From: Juha-Pekka Heikkila juhapekka.heikkila@gmail.com
[ Upstream commit cf48bddd31deefb9ab07de9a4d0150da6610198a ]
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 Reviewed-by: José Roberto de Souza jose.souza@intel.com Tested-by: José Roberto de Souza jose.souza@intel.com Acked-by: Jani Nikula jani.nikula@intel.com Fixes: 44e694958b95 ("drm/xe/display: Implement display support") Signed-off-by: José Roberto de Souza jose.souza@intel.com Link: https://patchwork.freedesktop.org/patch/msgid/20240228140225.858145-1-juhape... (cherry picked from commit b7232a730fbf043f54fb46fbf4a6e92936770e79) Signed-off-by: Rodrigo Vivi rodrigo.vivi@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 511dc1544854f..8bba6c2e50989 100644 --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c @@ -2290,6 +2290,9 @@ 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)