From e5dbaa9f43ea6da88d6cf1dd020308fc448c82ea Mon Sep 17 00:00:00 2001
From: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Date: Fri, 2 Feb 2024 17:06:02 +0200
Subject: [PATCH] drm/i915/display: On Xe2 always enable decompression with
tile4
With Xe2 always treat tile4 as if it was using flat ccs.
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240202150602.430036-2-juhapekka.heikkila@gmail.com
---
drivers/gpu/drm/i915/display/skl_universal_plane.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index 392d93e97bf83..e941e2e4fd14c 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -948,6 +948,11 @@ static u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state,
if (DISPLAY_VER(dev_priv) == 13)
plane_ctl |= adlp_plane_ctl_arb_slots(plane_state);
+ if (GRAPHICS_VER(dev_priv) >= 20 &&
+ fb->modifier == I915_FORMAT_MOD_4_TILED) {
+ plane_ctl |= PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
+ }
+
return plane_ctl;
}
--
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