linux-kernel - [PATCH] gpu/drm/drm_framebuffer.c: Use Macro instead of actual number.

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Message-Id: <20231102022946.115603-1-penghao@dingdao.com>
Date:   Thu,  2 Nov 2023 10:29:46 +0800
From:   "Peng Hao" <penghao@...gdao.com>
To:     <maarten.lankhorst@...ux.intel.com>, <mripard@...nel.org>,
        <tzimmermann@...e.de>, <airlied@...il.com>, <daniel@...ll.ch>
Cc:     <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        <penghao@...gdao.com>
Subject: [PATCH] gpu/drm/drm_framebuffer.c: Use Macro instead of actual number.

Use Macro DRM_FORMAT_MAX_PLANES instead of 4, to improve modifiability.

Signed-off-by: Peng Hao <penghao@...gdao.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