drm/i915/fb: Don't store bitmasks in the intel_plane_caps enum

Variables of enum types can contain only the values listed at the enums
definition, so don't store bitmasks in intel_plane_caps enum variables.

Cc: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211026161517.2694067-3-imre.deak@intel.com

drivers/gpu/drm/i915/display/intel_fb.c

@@ -309,7 +309,7 @@ static bool check_modifier_display_ver_range(const struct intel_modifier_desc *m
 }
 
 static bool plane_has_modifier(struct drm_i915_private *i915,
-			       enum intel_plane_caps plane_caps,
+			       u8 plane_caps,
 			       const struct intel_modifier_desc *md)
 {
 	if (!IS_DISPLAY_VER(i915, md->display_ver.from, md->display_ver.until))
@@ -340,7 +340,7 @@ static bool plane_has_modifier(struct drm_i915_private *i915,
  * The caller must free the returned buffer.
  */
 u64 *intel_fb_plane_get_modifiers(struct drm_i915_private *i915,
-				  enum intel_plane_caps plane_caps)
+				  u8 plane_caps)
 {
 	u64 *list, *p;
 	int count = 1;		/* +1 for invalid modifier terminator */

drivers/gpu/drm/i915/display/intel_fb.h

@@ -35,7 +35,7 @@ bool intel_fb_is_ccs_aux_plane(const struct drm_framebuffer *fb, int color_plane
 int intel_fb_rc_ccs_cc_plane(const struct drm_framebuffer *fb);
 
 u64 *intel_fb_plane_get_modifiers(struct drm_i915_private *i915,
-				  enum intel_plane_caps plane_caps);
+				  u8 plane_caps);
 bool intel_fb_plane_supports_modifier(struct intel_plane *plane, u64 modifier);
 
 const struct drm_format_info *

drivers/gpu/drm/i915/display/skl_universal_plane.c

@@ -2023,7 +2023,7 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv,
 	const struct drm_plane_funcs *plane_funcs;
 	struct intel_plane *plane;
 	enum drm_plane_type plane_type;
-	enum intel_plane_caps plane_caps;
+	u8 plane_caps;
 	unsigned int supported_rotations;
 	unsigned int supported_csc;
 	const u64 *modifiers;