Re: [PATCH] drm: vmwgfx: include linux/highmem.h

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On 5/8/20 8:14 PM, Stephen Rothwell wrote:
> Hi Arnd,
> 
> On Sat,  9 May 2020 00:01:31 +0200 Arnd Bergmann <arnd@xxxxxxxx> wrote:
>>
>> 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@xxxxxxxx>
>> ---
>>  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
>> -- 
>> 2.26.0
>>
> 
> Added to linux-next for Monday (in case Andrew doesn't get around to it).
> 

Hi,

What happened with this patch?
I am seeing the same build problems in linux-next of 20200512.

Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> # build-tested


thanks.
-- 
~Randy

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