linux-kernel - Re: [PATCH drm-misc-next 1/3] drm: drm

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Date:   Mon, 21 Aug 2023 11:49:56 +0200
From:   Christian König <christian.koenig@....com>
To:     Danilo Krummrich <dakr@...hat.com>, airlied@...il.com,
        daniel@...ll.ch, matthew.brost@...el.com,
        thomas.hellstrom@...ux.intel.com, sarah.walker@...tec.com,
        donald.robson@...tec.com, boris.brezillon@...labora.com,
        faith.ekstrand@...labora.com, bskeggs@...hat.com,
        Liam.Howlett@...cle.com
Cc:     dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH drm-misc-next 1/3] drm: drm_exec: build always builtin

Am 20.08.23 um 23:53 schrieb Danilo Krummrich:
> drm_exec must always be builtin for the DRM GPUVA manager to depend on
> it.

You should probably go the other way around and not always build in the 
GPUVA manager.

We have intentionally and with quite a bit of work moved the DRM_EXEC 
and DRM_BUDDY into separate modules.

Regards,
Christian.

>
> Signed-off-by: Danilo Krummrich <dakr@...hat.com>
> ---
>   drivers/gpu/drm/Kconfig         | 6 ------
>   drivers/gpu/drm/Makefile        | 3 +--
>   drivers/gpu/drm/nouveau/Kconfig | 1 -
>   3 files changed, 1 insertion(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
> index ab9ef1c20349..85122d4bb1e7 100644
> --- a/drivers/gpu/drm/Kconfig
> +++ b/drivers/gpu/drm/Kconfig
> @@ -210,12 +210,6 @@ config DRM_TTM_KUNIT_TEST
>   
>             If in doubt, say "N".
>   
> -config DRM_EXEC
> -	tristate
> -	depends on DRM
> -	help
> -	  Execution context for command submissions
> -
>   config DRM_BUDDY
>   	tristate
>   	depends on DRM
> diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
> index 215e78e79125..388e0964a875 100644
> --- a/drivers/gpu/drm/Makefile
> +++ b/drivers/gpu/drm/Makefile
> @@ -23,6 +23,7 @@ drm-y := \
>   	drm_dumb_buffers.o \
>   	drm_edid.o \
>   	drm_encoder.o \
> +	drm_exec.o \
>   	drm_file.o \
>   	drm_fourcc.o \
>   	drm_framebuffer.o \
> @@ -80,8 +81,6 @@ obj-$(CONFIG_DRM_PANEL_ORIENTATION_QUIRKS) += drm_panel_orientation_quirks.o
>   # Memory-management helpers
>   #
>   #
> -obj-$(CONFIG_DRM_EXEC) += drm_exec.o
> -
>   obj-$(CONFIG_DRM_BUDDY) += drm_buddy.o
>   
>   drm_dma_helper-y := drm_gem_dma_helper.o
> diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig
> index c52e8096cca4..2dddedac125b 100644
> --- a/drivers/gpu/drm/nouveau/Kconfig
> +++ b/drivers/gpu/drm/nouveau/Kconfig
> @@ -10,7 +10,6 @@ config DRM_NOUVEAU
>   	select DRM_KMS_HELPER
>   	select DRM_TTM
>   	select DRM_TTM_HELPER
> -	select DRM_EXEC
>   	select DRM_SCHED
>   	select I2C
>   	select I2C_ALGOBIT