From: Ville Syrjälä <[email protected]>

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 <[email protected]>
---
 .../gpu/drm/i915/display/intel_atomic_plane.c | 20 +++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c 
b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
index b5bbcc773ec0..2aeb4cd5b5a1 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;
-- 
2.44.2

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