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drm/amd/display: Add Null check for DPP resource

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commit e186400685 upstream.

[what and why]
Check whether dpp resource pointer is null in advance and return early
if so.

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Martin Leung <martin.leung@amd.com>
Signed-off-by: Gabe Teeger <gabe.teeger@amd.com>
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gabe Teeger
2023-11-28 17:20:16 +00:00
committed by Greg Kroah-Hartman
parent b4166941c0
commit 17117871bf
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+1 -1
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@@ -996,7 +996,7 @@ static void adjust_recout_for_visual_confirm(struct rect *recout,
struct dc *dc = pipe_ctx->stream->ctx->dc;
int dpp_offset, base_offset;
if (dc->debug.visual_confirm == VISUAL_CONFIRM_DISABLE)
if (dc->debug.visual_confirm == VISUAL_CONFIRM_DISABLE || !pipe_ctx->plane_res.dpp)
return;
dpp_offset = pipe_ctx->stream->timing.v_addressable / VISUAL_CONFIRM_DPP_OFFSET_DENO;