Re: A few HDMI fixes for 6.18.y

[Mario Limonciello <mario.limonciello@amd.com>]

On 2/24/2026 6:56 PM, Greg KH wrote:
> On Mon, Feb 23, 2026 at 02:04:05PM -0600, Mario Limonciello wrote:
>> Hi,
>>
>> There was a commit in 6.18 that caused a problem:
>> c918e75e1ed9 ("drm/amd/display: Add an HPD filter for HDMI")
>>
>> This has been fixed by these commits:
>> commit 6a681cd90345 ("drm/amd/display: Add an hdmi_hpd_debounce_delay_ms
>> module")
>> commit 17b2c526fd80 ("drm/amd/display: Clear HDMI HPD pending work only if
>> it is enabled")
>>
>> Can we please bring to 6.18.y and 6.19.y?
> 
> These only apply to 6.18.y, but not 6.19.y, so can you provide a working
> backport for both?
> 

It looks like 6.19.y already picked them up!

❯ git checkout linux-6.19.y
❯ git cherry-pick -x 6a681cd90345
Auto-merging drivers/gpu/drm/amd/amdgpu/amdgpu.h
Auto-merging drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
Auto-merging drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
Auto-merging drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
On branch linux-6.19.y
Your branch is up to date with 'origin/linux-6.19.y'.

You are currently cherry-picking commit 6a681cd90345.
   (all conflicts fixed: run "git cherry-pick --continue")
   (use "git cherry-pick --skip" to skip this patch)
   (use "git cherry-pick --abort" to cancel the cherry-pick operation)

nothing to commit, working tree clean
The previous cherry-pick is now empty, possibly due to conflict resolution.
If you wish to commit it anyway, use:

     git commit --allow-empty

Otherwise, please use 'git cherry-pick --skip'
❯ git cherry-pick --skip
❯ git cherry-pick -x 17b2c526fd80
Auto-merging drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
On branch linux-6.19.y
Your branch is up to date with 'origin/linux-6.19.y'.

You are currently cherry-picking commit 17b2c526fd80.
   (all conflicts fixed: run "git cherry-pick --continue")
   (use "git cherry-pick --skip" to skip this patch)
   (use "git cherry-pick --abort" to cancel the cherry-pick operation)

nothing to commit, working tree clean
The previous cherry-pick is now empty, possibly due to conflict resolution.
If you wish to commit it anyway, use:

     git commit --allow-empty

Otherwise, please use 'git cherry-pick --skip'
❯ git cherry-pick --skip