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drm/exynos: gem: Fix sparse warning 

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 <lkp@intel.com>
Suggested-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Marek Szyprowski 2020-07-13 09:07:08 +02:00 committed by Inki Dae
parent d012a7190f
commit d4035d1043
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2 changed files with 2 additions and 2 deletions
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2
drivers/gpu/drm/exynos/exynos_drm_fbdev.c
View File

@ -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;

2
drivers/gpu/drm/exynos/exynos_drm_gem.h
View File

@ -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;