[PATCH 02/14] drm/amd/display: Add Null check for DPP resource

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From: Gabe Teeger <gabe.teeger@xxxxxxx>

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

Reviewed-by: Charlene Liu <charlene.liu@xxxxxxx>
Reviewed-by: Martin Leung <martin.leung@xxxxxxx>
Signed-off-by: Gabe Teeger <gabe.teeger@xxxxxxx>
Cc: Mario Limonciello <mario.limonciello@xxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Acked-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
---
 drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 628b902a4cec..aa7b5db83644 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -945,7 +945,7 @@ 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;
-- 
2.42.0




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