Re: [PATCH RFC drm-next 0/1] Add support for drm_panic

[Thomas Zimmermann]

Hi

Am 02.04.25 um 10:43 schrieb Ryosuke Yasuoka:
> This patch adds drm_panic support for hyperv-drm driver. This function
> works but it's still needed to brush up. Let me hear your opinions.
>
> Once kernel panic occurs we expect to see a panic screen. However, to
> see the screen, I need to close/re-open the graphic console client
> window. As the panic screen shows correctly in the small preview
> window in Hyper-V manager and debugfs API for drm_panic works correctly,
> I think kernel needs to send signal to Hyper-V host that the console
> client refreshes, but I have no idea what kind of signal is needed.
>
> This patch is tested on Hyper-V 2022.
>
> Ryosuke Yasuoka (1):
>    drm/hyperv: Add support for drm_panic
>
>   drivers/gpu/drm/drm_simple_kms_helper.c     | 26 +++++++++++++
>   drivers/gpu/drm/hyperv/hyperv_drm_modeset.c | 42 +++++++++++++++++++++
>   include/drm/drm_simple_kms_helper.h         | 22 +++++++++++

No changes to simple_kms_helper please. This is obsolete and should go 
away. Just put everything into hyperv_drm.

Best regards
Thomas

>   3 files changed, 90 insertions(+)
>
>
> base-commit: cf05922d63e2ae6a9b1b52ff5236a44c3b29f78c

--
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)