6.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Muhammad Ahmed <ahmed.ahmed@xxxxxxx>
[ Upstream commit af114efe8d24b5711cfbedf7180f2ac1a296c24b ]
[why]
Driver crashes when pipe idx not set properly
[how]
Add code to skip the pipe that idx not set properly
Reviewed-by: Charlene Liu <charlene.liu@xxxxxxx>
Acked-by: Tom Chung <chiahsuan.chung@xxxxxxx>
Signed-off-by: Muhammad Ahmed <ahmed.ahmed@xxxxxxx>
Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c
index f15d1dbad6a96..b72ed3e78df05 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c
@@ -327,6 +327,8 @@ void dml2_calculate_rq_and_dlg_params(const struct dc *dc, struct dc_state *cont
dml_pipe_idx = dml2_helper_find_dml_pipe_idx_by_stream_id(in_ctx, context->res_ctx.pipe_ctx[dc_pipe_ctx_index].stream->stream_id);
}
+ if (dml_pipe_idx == 0xFFFFFFFF)
+ continue;
ASSERT(in_ctx->v20.scratch.dml_to_dc_pipe_mapping.dml_pipe_idx_to_stream_id_valid[dml_pipe_idx]);
ASSERT(in_ctx->v20.scratch.dml_to_dc_pipe_mapping.dml_pipe_idx_to_stream_id[dml_pipe_idx] == context->res_ctx.pipe_ctx[dc_pipe_ctx_index].stream->stream_id);
@@ -468,6 +470,9 @@ bool dml2_verify_det_buffer_configuration(struct dml2_context *in_ctx, struct dc
dml_pipe_idx = find_dml_pipe_idx_by_plane_id(in_ctx, plane_id);
else
dml_pipe_idx = dml2_helper_find_dml_pipe_idx_by_stream_id(in_ctx, display_state->res_ctx.pipe_ctx[i].stream->stream_id);
+
+ if (dml_pipe_idx == 0xFFFFFFFF)
+ continue;
total_det_allocated += dml_get_det_buffer_size_kbytes(&in_ctx->v20.dml_core_ctx, dml_pipe_idx);
if (total_det_allocated > max_det_size) {
need_recalculation = true;
--
2.43.0
