From: Yongqiang Sun Date: Wed, 21 Dec 2016 16:13:48 +0000 (-0500) Subject: drm/amd/display: reset transfer_func to NULL on release X-Git-Tag: v4.15-rc1~56^2~23^2~823 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=80bd20967261d9438dc814f3e6e904aea053163b;p=thirdparty%2Fkernel%2Flinux.git drm/amd/display: reset transfer_func to NULL on release Signed-off-by: Yongqiang Sun Reviewed-by: Tony Cheng Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index 237436e22720d..84e3fbbe23ac3 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -89,9 +89,11 @@ static bool construct(struct core_stream *stream, static void destruct(struct core_stream *stream) { dc_sink_release(&stream->sink->public); - if (stream->public.out_transfer_func != NULL) + if (stream->public.out_transfer_func != NULL) { dc_transfer_func_release( stream->public.out_transfer_func); + stream->public.out_transfer_func = NULL; + } } void dc_stream_retain(const struct dc_stream *dc_stream) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c index 3ec1f363e43e2..cf8fb9a8ce8ea 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c @@ -71,11 +71,15 @@ static bool construct(struct dc_context *ctx, struct surface *surface) static void destruct(struct surface *surface) { - if (surface->protected.public.gamma_correction != NULL) + if (surface->protected.public.gamma_correction != NULL) { dc_gamma_release(surface->protected.public.gamma_correction); - if (surface->protected.public.in_transfer_func != NULL) + surface->protected.public.gamma_correction = NULL; + } + if (surface->protected.public.in_transfer_func != NULL) { dc_transfer_func_release( surface->protected.public.in_transfer_func); + surface->protected.public.in_transfer_func = NULL; + } } /*******************************************************************************