drm/stm: ltdc: remove set but not used variable 'src_h'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/stm/ltdc.c: In function 'ltdc_plane_atomic_check':
drivers/gpu/drm/stm/ltdc.c:694:13: warning:
 variable 'src_y' set but not used [-Wunused-but-set-variable]
  u32 src_x, src_y, src_w, src_h;
             ^
             ^
drivers/gpu/drm/stm/ltdc.c:694:6: warning:
 variable 'src_x' set but not used [-Wunused-but-set-variable]
  u32 src_x, src_y, src_w, src_h;
      ^

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1538131180-34108-1-git-send-email-yuehaibing@huawei.com

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 61dd661aa0acbde3abfe9481c9a32f4d20c79240..a91e04139595ab38e66ae094ae6cb6d620183d47 100644 (file)
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -691,7 +691,7 @@ static int ltdc_plane_atomic_check(struct drm_plane *plane,
                                   struct drm_plane_state *state)
 {
        struct drm_framebuffer *fb = state->fb;
-       u32 src_x, src_y, src_w, src_h;
+       u32 src_w, src_h;
 
        DRM_DEBUG_DRIVER("\n");
 
@@ -699,8 +699,6 @@ static int ltdc_plane_atomic_check(struct drm_plane *plane,
                return 0;
 
        /* convert src_ from 16:16 format */
-       src_x = state->src_x >> 16;
-       src_y = state->src_y >> 16;
        src_w = state->src_w >> 16;
        src_h = state->src_h >> 16;