drm/atmel-hlcdc: Use swap() where appropriate

@swap@
identifier TEMP;
expression A,B;
@@
- TEMP = A;
- A = B;
- B = TEMP;
+ swap(A, B);

@@
type T;
identifier swap.TEMP;
@@
(
- T TEMP;
|
- T TEMP = {...};
)
... when != TEMP

Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Boris Brezillon <bbrezillon@kernel.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191010131159.17346-3-ville.syrjala@linux.intel.com
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>

diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
index 89f5a75..034f202 100644 (file)
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
@@ -601,7 +601,6 @@ static int atmel_hlcdc_plane_atomic_check(struct drm_plane *p,
        struct drm_framebuffer *fb = state->base.fb;
        const struct drm_display_mode *mode;
        struct drm_crtc_state *crtc_state;
-       unsigned int tmp;
        int ret;
        int i;
 
@@ -694,9 +693,7 @@ static int atmel_hlcdc_plane_atomic_check(struct drm_plane *p,
         * Swap width and size in case of 90 or 270 degrees rotation
         */
        if (drm_rotation_90_or_270(state->base.rotation)) {
-               tmp = state->src_w;
-               state->src_w = state->src_h;
-               state->src_h = tmp;
+               swap(state->src_w, state->src_h);
        }
 
        if (!desc->layout.size &&