Files
linux/drivers
Liu Ying aa656d48e8 drm/mxsfb: Disable overlay plane in mxsfb_plane_overlay_atomic_disable()
When disabling overlay plane in mxsfb_plane_overlay_atomic_update(),
overlay plane's framebuffer pointer is NULL.  So, dereferencing it would
cause a kernel Oops(NULL pointer dereferencing).  Fix the issue by
disabling overlay plane in mxsfb_plane_overlay_atomic_disable() instead.

Fixes: cb285a5348 ("drm: mxsfb: Replace mxsfb_get_fb_paddr() with drm_fb_cma_get_gem_addr()")
Cc: stable@vger.kernel.org # 5.19+
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230612092359.784115-1-victor.liu@nxp.com
2023-06-25 14:51:35 +02:00
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