From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Mon, 16 Sep 2024 16:24:10 +0000 (+0300)
Subject: drm/i915: Clean up intel_wm_need_update()
X-Git-Tag: v6.13-rc1~122^2~19^2~80
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=69aebe7a61ce49895e0352a1d5b5534e07094a46;p=thirdparty%2Fkernel%2Flinux.git

drm/i915: Clean up intel_wm_need_update()

intel_wm_need_update() is a mess when it comes to variable
names and constness. The checks also keep alternating randomly
between 'old != cur' vs. 'cur != old'. Clean it all up.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240916162413.8555-5-ville.syrjala@linux.intel.com
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
---

diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
index cf6e9c6bb5fe8..49b5b2c4f2f21 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
@@ -393,22 +393,22 @@ void intel_plane_set_invisible(struct intel_crtc_state *crtc_state,
 }
 
 /* FIXME nuke when all wm code is atomic */
-static bool intel_wm_need_update(const struct intel_plane_state *cur,
-				 struct intel_plane_state *new)
+static bool intel_wm_need_update(const struct intel_plane_state *old_plane_state,
+				 const struct intel_plane_state *new_plane_state)
 {
 	/* Update watermarks on tiling or size changes. */
-	if (new->uapi.visible != cur->uapi.visible)
+	if (old_plane_state->uapi.visible != new_plane_state->uapi.visible)
 		return true;
 
-	if (!cur->hw.fb || !new->hw.fb)
+	if (!old_plane_state->hw.fb || !new_plane_state->hw.fb)
 		return false;
 
-	if (cur->hw.fb->modifier != new->hw.fb->modifier ||
-	    cur->hw.rotation != new->hw.rotation ||
-	    drm_rect_width(&new->uapi.src) != drm_rect_width(&cur->uapi.src) ||
-	    drm_rect_height(&new->uapi.src) != drm_rect_height(&cur->uapi.src) ||
-	    drm_rect_width(&new->uapi.dst) != drm_rect_width(&cur->uapi.dst) ||
-	    drm_rect_height(&new->uapi.dst) != drm_rect_height(&cur->uapi.dst))
+	if (old_plane_state->hw.fb->modifier != new_plane_state->hw.fb->modifier ||
+	    old_plane_state->hw.rotation != new_plane_state->hw.rotation ||
+	    drm_rect_width(&old_plane_state->uapi.src) != drm_rect_width(&new_plane_state->uapi.src) ||
+	    drm_rect_height(&old_plane_state->uapi.src) != drm_rect_height(&new_plane_state->uapi.src) ||
+	    drm_rect_width(&old_plane_state->uapi.dst) != drm_rect_width(&new_plane_state->uapi.dst) ||
+	    drm_rect_height(&old_plane_state->uapi.dst) != drm_rect_height(&new_plane_state->uapi.dst))
 		return true;
 
 	return false;