[PATCH] drm: rcar-du: Fix plane state free in plane reset handler
thierry.reding at gmail.com
Fri Aug 7 05:53:22 PDT 2015
On Thu, Aug 06, 2015 at 03:23:00AM +0300, Laurent Pinchart wrote:
> The plane reset handler frees the plane state and allocates a new
> default state, but when doing so attempt to free the plane state using
> the base plane state pointer instead of casting it to the
> driver-specific state object that has been allocated. Fix it by using
> the rcar_du_plane_atomic_destroy_state() function to destroy the plane
> state instead of duplicating the code.
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
> drivers/gpu/drm/rcar-du/rcar_du_plane.c | 45 ++++++++++++++++-----------------
> 1 file changed, 22 insertions(+), 23 deletions(-)
> Should the DRM core free the atomic state before calling the reset operation ?
> That would simplify drivers.
The core can't do that because drivers might have subclassed the state.
Reviewed-by: Thierry Reding <treding at nvidia.com>
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