From: Martin Koegler <martin.koeg...@chello.at>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 99d4a8ae93ead27b5a88cdbd09dc556fe96ac3a8 upstream.

Xorg fbdev driver requires smem_start/smem_len, otherwise
it tries to map 0 bytes as video memory.

Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=856760
Signed-off-by: Martin Koegler <martin.koeg...@chello.at>
Signed-off-by: Takashi Iwai <ti...@suse.de>
Signed-off-by: Dave Airlie <airl...@redhat.com>
Signed-off-by: Jiri Slaby <jsl...@suse.cz>
---
 drivers/gpu/drm/cirrus/cirrus_fbdev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c 
b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
index 86d779a9c245..32bbba0a787b 100644
--- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c
+++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
@@ -233,6 +233,9 @@ static int cirrusfb_create(struct drm_fb_helper *helper,
        info->apertures->ranges[0].base = cdev->dev->mode_config.fb_base;
        info->apertures->ranges[0].size = cdev->mc.vram_size;
 
+       info->fix.smem_start = cdev->dev->mode_config.fb_base;
+       info->fix.smem_len = cdev->mc.vram_size;
+
        info->screen_base = sysram;
        info->screen_size = size;
 
-- 
1.9.2

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