[PATCH 2/2] drm/i915: remove excess functions from plane protection check

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Reduce the function calls by reusing ->decrypt.

Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
 .../gpu/drm/i915/display/skl_universal_plane.c | 18 ++++--------------
 1 file changed, 4 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index 98acf25a5ca3..39499a0ec6c0 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -1854,29 +1854,19 @@ static bool skl_fb_scalable(const struct drm_framebuffer *fb)
 	}
 }
 
-static bool bo_has_valid_encryption(struct drm_i915_gem_object *obj)
-{
-	struct drm_i915_private *i915 = to_i915(obj->base.dev);
-
-	return intel_pxp_key_check(i915->pxp, obj, false) == 0;
-}
-
-static bool pxp_is_borked(struct drm_i915_gem_object *obj)
-{
-	return i915_gem_object_is_protected(obj) && !bo_has_valid_encryption(obj);
-}
-
 static void check_protection(struct intel_plane_state *plane_state)
 {
 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
 	const struct drm_framebuffer *fb = plane_state->hw.fb;
+	struct drm_i915_gem_object *obj = intel_fb_obj(fb);
 
 	if (DISPLAY_VER(i915) < 11)
 		return;
 
-	plane_state->decrypt = bo_has_valid_encryption(intel_fb_obj(fb));
-	plane_state->force_black = pxp_is_borked(intel_fb_obj(fb));
+	plane_state->decrypt = intel_pxp_key_check(i915->pxp, obj, false) == 0;
+	plane_state->force_black = i915_gem_object_is_protected(obj) &&
+		!plane_state->decrypt;
 }
 
 static int skl_plane_check(struct intel_crtc_state *crtc_state,
-- 
2.39.2




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