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 lkp@intel.com Suggested-by: Sam Ravnborg sam@ravnborg.org Signed-off-by: Marek Szyprowski m.szyprowski@samsung.com
Reviewed-by: Sam Ravnborg sam@ravnborg.org
I expect one of the exynos maintianers (Inki?) to pick it up.
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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