Hi Sam,
On 10.07.2020 20:30, Sam Ravnborg wrote:
> Hi Marek.
>
> On Tue, Jul 07, 2020 at 01:08:59PM +0200, Marek Szyprowski wrote:
>> Add a proper cast on the exynos_gem->kvaddr assignment to avoid a sparse warning.
>>
>> Reported-by: kernel test robot <lkp@xxxxxxxxx>
>> Fixes: 9940d9d93406 ("drm/exynos: gem: Get rid of the internal 'pages' array")
>> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
>> ---
>> drivers/gpu/drm/exynos/exynos_drm_gem.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
>> index efa476858db5..65d11784f29f 100644
>> --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
>> +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
>> @@ -59,7 +59,7 @@ static int exynos_drm_alloc_buf(struct exynos_drm_gem *exynos_gem, bool kvmap)
>> }
>>
>> if (kvmap)
>> - exynos_gem->kvaddr = exynos_gem->cookie;
>> + exynos_gem->kvaddr = (void __iomem *)exynos_gem->cookie;
> >From a brif look at the code the correct fix looks to me to drop the
> __iomem annotation of kvaddr.
> And then no cast is needed.
>
> Care to take a look at this?
Right, besides dropping iomem annotation, I will change fbi->screen_base
assignment to fbi->screen_buffer. This was probably the main reason of
this iomem annotation.
Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland
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