drm: Pass the user drm_mode_fb_cmd2 as const to .fb_create()
Drivers shouldn't clobber the passed in addfb ioctl parameters. i915 was doing just that. To prevent it from happening again, pass the struct around as const, starting all the way from internal_framebuffer_create(). Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Daniel Vetter

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cc344980c7
commit
1eb83451ba
@@ -29,7 +29,7 @@ static const struct drm_framebuffer_funcs cirrus_fb_funcs = {
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int cirrus_framebuffer_init(struct drm_device *dev,
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struct cirrus_framebuffer *gfb,
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struct drm_mode_fb_cmd2 *mode_cmd,
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const struct drm_mode_fb_cmd2 *mode_cmd,
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struct drm_gem_object *obj)
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{
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int ret;
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@@ -47,7 +47,7 @@ int cirrus_framebuffer_init(struct drm_device *dev,
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static struct drm_framebuffer *
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cirrus_user_framebuffer_create(struct drm_device *dev,
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struct drm_file *filp,
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struct drm_mode_fb_cmd2 *mode_cmd)
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const struct drm_mode_fb_cmd2 *mode_cmd)
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{
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struct cirrus_device *cdev = dev->dev_private;
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struct drm_gem_object *obj;
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