APPLIED: [SRU][J:linux-xilinx-zynqmp][PATCH v2 0/1] Fix DP not working on Kria boards with 1.04 firmware

[Wei-Lin Chang]

On Fri, Jun 13, 2025 at 06:11:55PM +0800, Wei-Lin Chang wrote:
> BugLink: https://bugs.launchpad.net/bugs/2114250
> 
> SRU Justification
> 
> [Changes v1 -> v2]
> 
> * Add <Where problems could occur> section
> 
> [Impact]
> 
> * DP is not working after v1.04 firmware update on Xilinx Kria boards
> 
> [Fix]
> 
> * Clean cherry-pick from upstream
> * be318d01a903: drm: xlnx: dp: Reset DisplayPort IP
> 
> 
> [Test Plan]
> 
> * I hooked up a DP monitor to a KV260 with firmware v1.04 and Jammy
> image installed, DP does not work before applying the patch, and works
> after applying the patch.
> 
> [Where problems could occur]
> 
> * Very low potential for regression. This patch just asserts DisplayPort
> reset signal before deasserting.
> 
> Rohit Visavalia (1):
>   drm: xlnx: dp: Reset DisplayPort IP
> 
>  drivers/gpu/drm/xlnx/zynqmp_dp.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> -- 
> 2.43.0
> 

Applied to J:linux-xilinx-zynqmp master-next, thanks!