Unverified Commit 9dccc6d1 authored May 17, 2024 by openeuler-ci-bot Committed by Gitee May 17, 2024

!7397 drm/amd/display: Fix potential NULL pointer dereferences in...

!7397  drm/amd/display: Fix potential NULL pointer dereferences in 'dcn10_set_output_transfer_func()'

Merge Pull Request from: @ci-robot 
 
PR sync from: Baogen Shang <baogen.shang@outlook.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/OXQUFQXFT33M6VCMXJC3NYN3DHMRPSSI/ 
 
https://gitee.com/openeuler/kernel/issues/I9J6AL 
 
Link:https://gitee.com/openeuler/kernel/pulls/7397

 

Reviewed-by: Jialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>

parents 0e328501 e69f0b98

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -1669,6 +1669,9 @@ bool dcn10_set_output_transfer_func(struct dc dc, struct pipe_ctx pipe_ctx,
		{
		struct dpp *dpp = pipe_ctx->plane_res.dpp;

		if (!stream)
		return false;

		if (dpp == NULL)
		return false;

		@@ -1691,8 +1694,8 @@ bool dcn10_set_output_transfer_func(struct dc dc, struct pipe_ctx pipe_ctx,
		} else
		dpp->funcs->dpp_program_regamma_pwl(dpp, NULL, OPP_REGAMMA_BYPASS);

		if (stream != NULL && stream->ctx != NULL &&
		stream->out_transfer_func != NULL) {
		if (stream->ctx &&
		stream->out_transfer_func) {
		log_tf(stream->ctx,
		stream->out_transfer_func,
		dpp->regamma_params.hw_points_num);