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

diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index 392d93e97bf8320db6706353ed6736a2ef82116e..e941e2e4fd14c2ce489d5e7a162853723b47b7d4 100644 (file)
--- 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;
 }