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Commit 129495de authored by Inki Dae's avatar Inki Dae
Browse files

drm/exynos: fix linux framebuffer address setting. 



With iommu, buffer->dma_addr has device addres so this patch
fixes for physical address to be set to fix.smem_start always.

Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
parent 452f1920

drivers/gpu/drm/exynos/exynos_drm_fbdev.c

+2 −1
Original line number Diff line number Diff line
@@ -87,7 +87,8 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, 


	dev->mode_config.fb_base = (resource_size_t)buffer->dma_addr;

	fbi->screen_base = buffer->kvaddr + offset;

	fbi->fix.smem_start = (unsigned long)(buffer->dma_addr + offset);

	fbi->fix.smem_start = (unsigned long)(page_to_phys(buffer->pages[0]) +

				offset);

	fbi->screen_size = size;

	fbi->fix.smem_len = size;