diff options
| author | Wenjing Liu <wenjing.liu@amd.com> | 2022-09-13 19:04:56 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-09-29 09:41:44 -0400 |
| commit | 567df29f51a582ced8d2f56c7f531757496fe7f4 (patch) | |
| tree | d551e874980362a916b10d982830b0b900134038 | |
| parent | c55bf690fe79f04cb8ebfe34144079777021cd7c (diff) | |
| download | linux-567df29f51a582ced8d2f56c7f531757496fe7f4.tar.bz2 | |
drm/amd/display: add missing null check
[why]
There is a coding error for a missing null check for stream pointer when iterating through
pipe_ctx.
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Acked-by: Jasdeep Dhillon <jdhillon@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c index 7544ac8e33ac..ba45b222d387 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c @@ -1303,7 +1303,7 @@ static void apply_symclk_on_tx_off_wa(struct dc_link *link) if (link->phy_state.symclk_ref_cnts.otg > 0) { for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx->stream->link == link && pipe_ctx->top_pipe == NULL) { + if (pipe_ctx->stream && pipe_ctx->stream->link == link && pipe_ctx->top_pipe == NULL) { pipe_ctx->clock_source->funcs->program_pix_clk( pipe_ctx->clock_source, &pipe_ctx->stream_res.pix_clk_params, |