In order to call kmap_atomic() etc, we need to include linux/highmem.h:
drivers/gpu/drm/vmwgfx/vmwgfx_blit.c: In function 'vmw_bo_cpu_blit_line': drivers/gpu/drm/vmwgfx/vmwgfx_blit.c:377:4: error: implicit declaration of function 'kunmap_atomic'; did you mean 'in_atomic'? [-Werror=implicit-function-declaration] 377 | kunmap_atomic(d->src_addr); | ^~~~~~~~~~~~~ | in_atomic drivers/gpu/drm/vmwgfx/vmwgfx_blit.c:391:5: error: implicit declaration of function 'kmap_atomic_prot' [-Werror=implicit-function-declaration] 391 | kmap_atomic_prot(d->dst_pages[dst_page], | ^~~~~~~~~~~~~~~~ drivers/gpu/drm/vmwgfx/vmwgfx_blit.c:390:16: warning: assignment to 'u8 *' {aka 'unsigned char *'} from 'int' makes pointer from integer without a cast [-Wint-conversion] 390 | d->dst_addr = | ^ drivers/gpu/drm/vmwgfx/vmwgfx_blit.c:403:16: warning: assignment to 'u8 *' {aka 'unsigned char *'} from 'int' makes pointer from integer without a cast [-Wint-conversion] 403 | d->src_addr = | ^
Fixes: 46385a895322 ("drm: remove drm specific kmap_atomic code") Signed-off-by: Arnd Bergmann arnd@arndb.de --- drivers/gpu/drm/vmwgfx/vmwgfx_blit.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c b/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c index 94d456a1d1a9..1629427d5734 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c @@ -27,6 +27,7 @@ **************************************************************************/
#include "vmwgfx_drv.h" +#include <linux/highmem.h>
/* * Template that implements find_first_diff() for a generic