20. 7. 14. 오전 1:03에 Sam Ravnborg 이(가) 쓴 글:
> On Mon, Jul 13, 2020 at 09:07:08AM +0200, Marek Szyprowski wrote:
>> kvaddr element of the exynos_gem object points to a memory buffer, thus
>> it should not have a __iomem annotation. Then, to avoid a warning or
>> casting on assignment to fbi structure, the screen_buffer element of the
>> union should be used instead of the screen_base.
>>
>> Reported-by: kernel test robot <[email protected]>
>> Suggested-by: Sam Ravnborg <[email protected]>
>> Signed-off-by: Marek Szyprowski <[email protected]>
> Reviewed-by: Sam Ravnborg <[email protected]>
>
> I expect one of the exynos maintianers (Inki?) to pick it up.
Picked it up.
Thanks,
Inki Dae
>
> Sam
>
>> ---
>> drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 2 +-
>> drivers/gpu/drm/exynos/exynos_drm_gem.h | 2 +-
>> 2 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
>> b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
>> index 56a2b47e1af7..5147f5929be7 100644
>> --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
>> +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
>> @@ -92,7 +92,7 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper
>> *helper,
>> offset = fbi->var.xoffset * fb->format->cpp[0];
>> offset += fbi->var.yoffset * fb->pitches[0];
>>
>> - fbi->screen_base = exynos_gem->kvaddr + offset;
>> + fbi->screen_buffer = exynos_gem->kvaddr + offset;
>> fbi->screen_size = size;
>> fbi->fix.smem_len = size;
>>
>> diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h
>> b/drivers/gpu/drm/exynos/exynos_drm_gem.h
>> index 7445748288da..74e926abeff0 100644
>> --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
>> +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
>> @@ -40,7 +40,7 @@ struct exynos_drm_gem {
>> unsigned int flags;
>> unsigned long size;
>> void *cookie;
>> - void __iomem *kvaddr;
>> + void *kvaddr;
>> dma_addr_t dma_addr;
>> unsigned long dma_attrs;
>> struct sg_table *sgt;
>> --
>> 2.17.1
>>
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