Include <linux/vmalloc.h> in fbdev emulation to get vzalloc() and
vfree() on MIPS. The error messages are shown below and bug reports
are at [1] and [2].
drivers/gpu/drm/drm_fbdev_generic.c: In function 'drm_fbdev_cleanup':
drivers/gpu/drm/drm_fbdev_generic.c:63:17: error: implicit declaration of
function 'vfree'; did you mean 'kvfree'? [-Werror=implicit-function-declaration]
63 | vfree(shadow);
| ^~~~~
| kvfree
drivers/gpu/drm/drm_fbdev_generic.c: In function 'drm_fbdev_fb_probe':
drivers/gpu/drm/drm_fbdev_generic.c:219:38: error: implicit declaration of
function 'vzalloc'; did you mean 'kvzalloc'?
[-Werror=implicit-function-declaration]
219 | fbi->screen_buffer = vzalloc(fbi->screen_size);
| ^~~~~~~
| kvzalloc
drivers/gpu/drm/drm_fbdev_generic.c:219:36: warning: assignment to 'char *'
from 'int' makes pointer from integer without a cast [-Wint-conversion]
219 | fbi->screen_buffer = vzalloc(fbi->screen_size);
Reported-by: kernel test robot <l...@intel.com>
Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
Fixes: 8ab59da26bc0 ("drm/fb-helper: Move generic fbdev emulation into separate
source file")
Cc: Thomas Zimmermann <tzimmerm...@suse.de>
Cc: Javier Martinez Canillas <javi...@redhat.com>
Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
Cc: Maxime Ripard <mrip...@kernel.org>
Cc: David Airlie <airl...@gmail.com>
Cc: Daniel Vetter <dan...@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Link:
https://lore.kernel.org/dri-devel/202211060911.5u76gmte-...@intel.com/T/#u # [1]
Link:
https://lore.kernel.org/dri-devel/202211060331.1sod1tar-...@intel.com/T/#u # [2]
---
drivers/gpu/drm/drm_fbdev_generic.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/drm_fbdev_generic.c
b/drivers/gpu/drm/drm_fbdev_generic.c
index 2d6083ad2e3c7..ab86956692795 100644
--- a/drivers/gpu/drm/drm_fbdev_generic.c
+++ b/drivers/gpu/drm/drm_fbdev_generic.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: MIT
#include <linux/moduleparam.h>
+#include <linux/vmalloc.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_drv.h>
--
2.38.0
