Maxime Ripard [off-list ref] 於 2020年5月28日 週四 下午3:30寫道：

Hi Daniel,

On Wed, May 27, 2020 at 05:15:12PM +0800, Daniel Drake wrote:

quoted

On Wed, May 27, 2020 at 5:13 PM Maxime Ripard [off-list ref] wrote:

quoted

I'm about to send a v3 today or tomorrow, I can Cc you (and Jian-Hong) if you
want.

That would be great, although given the potentially inconsistent
results we've been seeing so far it would be great if you could
additionally push a git branch somewhere.
That way we can have higher confidence that we are applying exactly
the same patches to the same base etc.

So I sent a new iteration yesterday, and of course forgot to cc you... Sorry for
that.

I've pushed my current branch here:
https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux.git/log/?h=rpi4-kms

Thanks to Maxime!

I have tried your repository on branch rpi4-kms.  The DRM VC4 is used!
But got some issues:
1. Some weird error message in dmesg.  Not sure it is related, or not
[    5.219321] [drm:vc5_hdmi_init_resources] *ERROR* Failed to get
HDMI state machine clock
https://gist.github.com/starnight/3f317dca121065a361cf08e91225e389

2. The screen flashes suddenly sometimes.

3. The higher resolutions, like 1920x1080 ... are lost after hot
re-plug HDMI cable (HDMI0)

Jian-Hong Pan

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