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drm/cirrus: Fix cirrus drm driver for fbdev + qemu 

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.koegler@chello.at>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Martin Koegler 2014-01-09 10:05:07 +01:00 committed by Dave Airlie
parent ca2a2bb13e
commit 99d4a8ae93
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/cirrus/cirrus_fbdev.c
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@ -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;