Re: [PATCH 6.10] drm/amd/display: Refactor function dm_dp_mst_is_port_support_mode()

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On Tue, Jul 30, 2024 at 08:53:39PM +0200, Kevin Holm wrote:
> From: Wayne Lin <wayne.lin@xxxxxxx>
> 
> [ Upstream commit fa57924c76d995e87ca3533ec60d1d5e55769a27 ]
> 
> [Why]
> dm_dp_mst_is_port_support_mode() is a bit not following the original design rule and cause
> light up issue with multiple 4k monitors after mst dsc hub.
> 
> [How]
> Refactor function dm_dp_mst_is_port_support_mode() a bit to solve the light up issue.
> 
> Reviewed-by: Jerry Zuo <jerry.zuo@xxxxxxx>
> Acked-by: Zaeem Mohamed <zaeem.mohamed@xxxxxxx>
> Signed-off-by: Wayne Lin <wayne.lin@xxxxxxx>
> Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx>
> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
> [kevin@xxxxxxxx: Resolved merge conflict in .../amdgpu_dm_mst_types.c]
> Fixes: 4df96ba6676034 ("drm/amd/display: Add timing pixel encoding for mst mode validation")
> Link: https://lore.kernel.org/stable/d74a7768e957e6ce88c27a5bece0c64dff132e24@xxxxxxxx/T/#u
> Signed-off-by: Kevin Holm <kevin@xxxxxxxx>
> ---
> I resolved the merge conflict so that, after this patch is applied to the
> linux-6.10.y branch of the stable git repository, the resulting function
> dm_dp_mst_is_port_support_mode (and also the new function 
> dp_get_link_current_set_bw) is identical to the original commit.
> 
> I've confirmed that it fixes the regression I reported for my use case.

Now queued up, thanks.

greg k-h



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