[PATCH 26/36] drm/amd/display: Improve warning log for get OPP for OTG master

[Hamza Mahfooz]

From: Rodrigo Siqueira <rodrigo.siqueira at amd.com>

If some part of the driver tries to call
resource_get_opp_heads_for_otg_master in a non-OTG master context, DC
will trigger a dmesg warning since this situation indicates that some
configuration associated with ODM slices might be wrong. This commit
adds an extra log to describe why the warning was triggered to make the
debugging more straightforward.

Reviewed-by: Wenjing Liu <wenjing.liu at amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz at amd.com>
Signed-off-by: Rodrigo Siqueira <rodrigo.siqueira at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 6 ++++++
 1 file changed, 6 insertions(+)

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 87e84b0a3d48..1cba8f58f1e6 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1917,9 +1917,15 @@ int resource_get_opp_heads_for_otg_master(const struct pipe_ctx *otg_master,
 		struct pipe_ctx *opp_heads[MAX_PIPES])
 {
 	struct pipe_ctx *opp_head = &res_ctx->pipe_ctx[otg_master->pipe_idx];
+	struct dc *dc = otg_master->stream->ctx->dc;
 	int i = 0;
 
+	DC_LOGGER_INIT(dc->ctx->logger);
+
 	if (!resource_is_pipe_type(otg_master, OTG_MASTER)) {
+		DC_LOG_WARNING("%s called from a non OTG master, something "
+			       "is wrong in the pipe configuration",
+			       __func__);
 		ASSERT(0);
 		return 0;
 	}
-- 
2.45.1