From b1ad885090c86b0a863f0ebaebdb73b401fe3ced Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Fri, 24 Sep 2021 17:13:30 +0300
Subject: drm/i915/fbc: Allow FBC with Yf tiling
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: 2709abc8d14a1e67d8ecc81abc33d7119fe3dabc
Patch-mainline: v5.16-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
FBC+Yf tiling seems to work just fine, and unlike with linear
the hardware does appear to correctly calculate the CFB stride
with using the override stride on both cfl and glk. So no need
for any additional tweaks.
Cc: Uma Shankar <uma.shankar@intel.com> #v2
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210924141330.1515-1-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/display/intel_fbc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index 46f62fdf9eee..687431faf02f 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -746,6 +746,7 @@ static bool tiling_is_valid(struct drm_i915_private *dev_priv,
switch (modifier) {
case DRM_FORMAT_MOD_LINEAR:
case I915_FORMAT_MOD_Y_TILED:
+ case I915_FORMAT_MOD_Yf_TILED:
return DISPLAY_VER(dev_priv) >= 9;
case I915_FORMAT_MOD_X_TILED:
return true;
--
2.38.1