drm/i915: Simplify modifier lookup in watermark code

Replace the huge modifier lists in the watermark code with
a few calls to intel_fb.c.

Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221003111544.8007-7-ville.syrjala@linux.intel.com

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c
index b191915ab351..cc755cc017c1 100644
--- a/drivers/gpu/drm/i915/display/intel_fb.c
+++ b/drivers/gpu/drm/i915/display/intel_fb.c
@@ -301,6 +301,19 @@ static bool plane_caps_contain_all(u8 caps, u8 mask)
 }
 
 /**
+ * intel_fb_is_tiled_modifier: Check if a modifier is a tiled modifier type
+ * @modifier: Modifier to check
+ *
+ * Returns:
+ * Returns %true if @modifier is a tiled modifier.
+ */
+bool intel_fb_is_tiled_modifier(u64 modifier)
+{
+	return plane_caps_contain_any(lookup_modifier(modifier)->plane_caps,
+				      INTEL_PLANE_CAP_TILING_MASK);
+}
+
+/**
  * intel_fb_is_ccs_modifier: Check if a modifier is a CCS modifier type
  * @modifier: Modifier to check
  *