[PATCH 11/12] drm/panic: Move panic display code into helper library

Randy Dunlap rdunlap at infradead.org
Tue Aug 18 08:55:11 PDT 2026


Hi,

On 8/18/26 5:28 AM, Thomas Zimmermann wrote:
>  M:	Hans de Goede <hansg at kernel.org>
> diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
> index 323422861e8f..cdfd72d9a9c5 100644
> --- a/drivers/gpu/drm/Kconfig
> +++ b/drivers/gpu/drm/Kconfig
> @@ -45,6 +45,7 @@ config DRM_MIPI_DSI
>  config DRM_KMS_HELPER
>  	tristate
>  	depends on DRM
> +	select DRM_PANIC_HELPER if DRM_PANIC

but DRM_PANIC_HELPER depends on DRM_TTM so
DRM_KMS_HELPER should also depend on DRM_TTM. Otherwise:

WARNING: unmet direct dependencies detected for DRM_PANIC_HELPER
  Depends on [n]: HAS_IOMEM [=y] && DRM [=y] && DRM_TTM [=n]
  Selected by [y]:
  - DRM_KMS_HELPER [=y] && HAS_IOMEM [=y] && DRM [=y] && DRM_PANIC [=y]


>  	select FB_CORE if DRM_FBDEV_EMULATION
>  	help
>  	  CRTC helpers for KMS drivers.
> @@ -130,6 +131,10 @@ config DRM_PANIC_SCREEN_QR_VERSION
>  	  Smaller QR code are easier to read, but will contain less debugging
>  	  data. Default is 40.
>  
> +config DRM_PANIC_HELPER
> +	bool
> +	depends on DRM_TTM
> +
>  config DRM_RAS
>  	bool "DRM RAS support"
>  	depends on DRM

-- 
~Randy




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