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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: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This commit is contained in:
Inki Dae 2012-11-09 16:41:29 +09:00 committed by Inki Dae
parent 7136470d4b
commit 9d93479902
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/exynos/exynos_drm_fbdev.c
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@ -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;