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drm/exynos/fbdev: set smem_len for fbdev
Commit [0] stopped setting fix.smem_start and fix.smem_len when creating
the fbdev.
[0] 2f1eab8d8a
drm/exynos/fbdev: don't set fix.smem/mmio_{start,len}
However, smem_len is used by some userland applications to calculate the
size for mmap. In particular, it is used by xf86-video-fbdev:
http://cgit.freedesktop.org/xorg/xserver/tree/hw/xfree86/fbdevhw/fbdevhw.c?id=xorg-server-1.15.99.903#n571
So, let's restore setting the smem_len to unbreak things for these users.
Note: we are still leaving smem_start set to 0.
Reported-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>
Reported-by: Gunther Noack <me@guenthernoack.de>
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
parent
025d8e1348
commit
71b1f1956b
@ -123,6 +123,7 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
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fbi->screen_base = buffer->kvaddr + offset;
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fbi->screen_size = size;
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fbi->fix.smem_len = size;
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return 0;
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}
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