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path: root/drivers/gpu/drm/ast/ast_fb.c
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Diffstat (limited to 'drivers/gpu/drm/ast/ast_fb.c')
-rw-r--r--drivers/gpu/drm/ast/ast_fb.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
index f31db28a684b..a37e7ea4a00c 100644
--- a/drivers/gpu/drm/ast/ast_fb.c
+++ b/drivers/gpu/drm/ast/ast_fb.c
@@ -365,3 +365,10 @@ void ast_fbdev_set_suspend(struct drm_device *dev, int state)
drm_fb_helper_set_suspend(&ast->fbdev->helper, state);
}
+
+void ast_fbdev_set_base(struct ast_private *ast, unsigned long gpu_addr)
+{
+ ast->fbdev->helper.fbdev->fix.smem_start =
+ ast->fbdev->helper.fbdev->apertures->ranges[0].base + gpu_addr;
+ ast->fbdev->helper.fbdev->fix.smem_len = ast->vram_size - gpu_addr;
+}