[ Sasha's backport helper bot ]
Hi,
✅ All tests passed successfully. No issues detected. No action required from the submitter.
The upstream commit SHA1 provided is correct: 8aa2864044b9d13e95fe224f32e808afbf79ecdf
WARNING: Author mismatch between patch and upstream commit: Backport author: jianqi.ren.cn@windriver.com Commit author: Alex Hungalex.hung@amd.com
Status in newer kernel trees: 6.14.y | Present (exact SHA1) 6.13.y | Present (exact SHA1) 6.12.y | Present (exact SHA1)
Note: The patch differs from the upstream commit: --- 1: 8aa2864044b9d ! 1: 1ae9fe5d884d2 drm/amd/display: Check link_index before accessing dc->links[] @@ Metadata ## Commit message ## drm/amd/display: Check link_index before accessing dc->links[]
+ [ Upstream commit 8aa2864044b9d13e95fe224f32e808afbf79ecdf ] + [WHY & HOW] dc->links[] has max size of MAX_LINKS and NULL is return when trying to access with out-of-bound index. @@ Commit message Signed-off-by: Alex Hung alex.hung@amd.com Tested-by: Daniel Wheeler daniel.wheeler@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com + [The macro MAX_LINKS is introduced by Commit 60df5628144b ("drm/amd/display: + handle invalid connector indices") after 6.10. So here we still use the + original array length MAX_PIPES * 2] + Signed-off-by: Jianqi Ren jianqi.ren.cn@windriver.com + Signed-off-by: He Zhe zhe.he@windriver.com
## drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c ## @@ #include "dce/dce_i2c.h" struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_index) { -+ if (link_index >= MAX_LINKS) ++ if (link_index >= (MAX_PIPES * 2)) + return NULL; + return dc->links[link_index]; ---
Results of testing on various branches:
| Branch | Patch Apply | Build Test | |---------------------------|-------------|------------| | stable/linux-6.6.y | Success | Success |