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
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1eb83451ba
@@ -455,7 +455,7 @@ static const struct drm_framebuffer_funcs udlfb_funcs = {
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static int
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udl_framebuffer_init(struct drm_device *dev,
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struct udl_framebuffer *ufb,
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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 udl_gem_object *obj)
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{
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int ret;
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@@ -623,7 +623,7 @@ void udl_fbdev_unplug(struct drm_device *dev)
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struct drm_framebuffer *
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udl_fb_user_fb_create(struct drm_device *dev,
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struct drm_file *file,
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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 drm_gem_object *obj;
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struct udl_framebuffer *ufb;
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