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Subject[PATCH] gpu/drm/drm_framebuffer.c: Use Macro instead of actual number.
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Use Macro DRM_FORMAT_MAX_PLANES instead of 4, to improve modifiability.

Signed-off-by: Peng Hao <penghao@dingdao.com>
---
drivers/gpu/drm/drm_framebuffer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
index 2dd97473ca10..bf283dae9090 100644
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -254,7 +254,7 @@ static int framebuffer_check(struct drm_device *dev,
}
}

- for (i = info->num_planes; i < 4; i++) {
+ for (i = info->num_planes; i < DRM_FORMAT_MAX_PLANES; i++) {
if (r->modifier[i]) {
drm_dbg_kms(dev, "non-zero modifier for unused plane %d\n", i);
return -EINVAL;
--
2.37.1
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