Re: [PATCH v2] drm/amd/display: Add otg_master NULL check within init_pipe_slice_table_from_context

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On 7/9/24 3:10 AM, Ma Ke wrote:
To avoid reports of NULL_RETURN warning, we should add
otg_master NULL check.

Cc: stable@xxxxxxxxxxxxxxx
Fixes: c51d87202d1f ("drm/amd/display: do not attempt ODM power optimization if minimal transition doesn't exist")
Signed-off-by: Ma Ke <make24@xxxxxxxxxxx>
---
Changes in v2:
- added the recipient's email address, due to the prolonged absence of a
response from the recipient.
- added Cc stable.
---
  drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c | 3 +++
  1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
index f6fe0a64beac..8972598ca77f 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
@@ -1177,6 +1177,9 @@ static void init_pipe_slice_table_from_context(
  		stream = context->streams[i];
  		otg_master = resource_get_otg_master_for_stream(
  				&context->res_ctx, stream);
+		if (!otg_master)
+			continue;
+
  		count = resource_get_odm_slice_count(otg_master);
  		update_slice_table_for_stream(table, stream, count);

Hi,

Which repository and branch are you using? It looks like this issue is already fixed on amd-staging-drm-next.

Thanks
Siqueira





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