From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
Date: Tue, 7 Nov 2017 20:13:38 +0100
Subject: drm/framebuffer: drm_framebuffer_read_refcount() constify argument
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Git-commit: 6ff1086e21e5b1d6239e2c47267d21dc19b6e801
Patch-mainline: v4.16-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Constify argument so functions calling into this take a const argument.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171107191348.17555-3-noralf@tronnes.org

Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 include/drm/drm_framebuffer.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/drm/drm_framebuffer.h
+++ b/include/drm/drm_framebuffer.h
@@ -264,7 +264,7 @@ static inline void drm_framebuffer_unref
  *
  * This functions returns the framebuffer's reference count.
  */
-static inline uint32_t drm_framebuffer_read_refcount(struct drm_framebuffer *fb)
+static inline uint32_t drm_framebuffer_read_refcount(const struct drm_framebuffer *fb)
 {
 	return kref_read(&fb->base.refcount);
 }