[PATCH v2] drm/exynos: gem: Fix sparse warning

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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@xxxxxxxxx>
Suggested-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
---
 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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