[PATCH v2] drm/exynos: gem: Fix sparse warning
Marek Szyprowski
m.szyprowski at samsung.com
Mon Jul 13 07:07:08 UTC 2020
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 at intel.com>
Suggested-by: Sam Ravnborg <sam at ravnborg.org>
Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
---
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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