[Intel-gfx] [PATCH 37/59] drm/cirrus: Move to drm/tiny

Thomas Zimmermann tzimmermann at suse.de
Wed Apr 15 08:01:15 UTC 2020



Am 15.04.20 um 09:40 schrieb Daniel Vetter:
> Because it is. Huge congrats to everyone who made this kind of
> refactoring happen!

Every other week, I felt an urge to send out this patch. Thank you so
much, Daniel! There are more candidates for tiny/. They are all <20k
LOCs and all we'd have to do is to move their code into a single file.
bochs or arc come into my mind.

> 
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> Cc: Dave Airlie <airlied at redhat.com>
> Cc: Gerd Hoffmann <kraxel at redhat.com>
> Cc: virtualization at lists.linux-foundation.org

Reviewed-by: Thomas Zimmermann <tzimmermann at suse.de>

> ---
>  MAINTAINERS                               |  2 +-
>  drivers/gpu/drm/Kconfig                   |  2 --
>  drivers/gpu/drm/Makefile                  |  1 -
>  drivers/gpu/drm/cirrus/Kconfig            | 19 -------------------
>  drivers/gpu/drm/cirrus/Makefile           |  2 --
>  drivers/gpu/drm/tiny/Kconfig              | 19 +++++++++++++++++++
>  drivers/gpu/drm/tiny/Makefile             |  1 +
>  drivers/gpu/drm/{cirrus => tiny}/cirrus.c |  0
>  8 files changed, 21 insertions(+), 25 deletions(-)
>  delete mode 100644 drivers/gpu/drm/cirrus/Kconfig
>  delete mode 100644 drivers/gpu/drm/cirrus/Makefile
>  rename drivers/gpu/drm/{cirrus => tiny}/cirrus.c (100%)
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 7b3255d96d1d..0a5cf105ee37 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -5397,7 +5397,7 @@ L:	virtualization at lists.linux-foundation.org
>  S:	Obsolete
>  W:	https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful/
>  T:	git git://anongit.freedesktop.org/drm/drm-misc
> -F:	drivers/gpu/drm/cirrus/
> +F:	drivers/gpu/drm/tiny/cirrus.c
>  
>  DRM DRIVER FOR QXL VIRTUAL GPU
>  M:	Dave Airlie <airlied at redhat.com>
> diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
> index 43594978958e..4f4e7fa001c1 100644
> --- a/drivers/gpu/drm/Kconfig
> +++ b/drivers/gpu/drm/Kconfig
> @@ -310,8 +310,6 @@ source "drivers/gpu/drm/ast/Kconfig"
>  
>  source "drivers/gpu/drm/mgag200/Kconfig"
>  
> -source "drivers/gpu/drm/cirrus/Kconfig"
> -
>  source "drivers/gpu/drm/armada/Kconfig"
>  
>  source "drivers/gpu/drm/atmel-hlcdc/Kconfig"
> diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
> index f34d08c83485..2c0e5a7e5953 100644
> --- a/drivers/gpu/drm/Makefile
> +++ b/drivers/gpu/drm/Makefile
> @@ -74,7 +74,6 @@ obj-$(CONFIG_DRM_I915)	+= i915/
>  obj-$(CONFIG_DRM_MGAG200) += mgag200/
>  obj-$(CONFIG_DRM_V3D)  += v3d/
>  obj-$(CONFIG_DRM_VC4)  += vc4/
> -obj-$(CONFIG_DRM_CIRRUS_QEMU) += cirrus/
>  obj-$(CONFIG_DRM_SIS)   += sis/
>  obj-$(CONFIG_DRM_SAVAGE)+= savage/
>  obj-$(CONFIG_DRM_VMWGFX)+= vmwgfx/
> diff --git a/drivers/gpu/drm/cirrus/Kconfig b/drivers/gpu/drm/cirrus/Kconfig
> deleted file mode 100644
> index c6bbd988b0e5..000000000000
> --- a/drivers/gpu/drm/cirrus/Kconfig
> +++ /dev/null
> @@ -1,19 +0,0 @@
> -# SPDX-License-Identifier: GPL-2.0-only
> -config DRM_CIRRUS_QEMU
> -	tristate "Cirrus driver for QEMU emulated device"
> -	depends on DRM && PCI && MMU
> -	select DRM_KMS_HELPER
> -	select DRM_GEM_SHMEM_HELPER
> -	help
> -	 This is a KMS driver for emulated cirrus device in qemu.
> -	 It is *NOT* intended for real cirrus devices. This requires
> -	 the modesetting userspace X.org driver.
> -
> -	 Cirrus is obsolete, the hardware was designed in the 90ies
> -	 and can't keep up with todays needs.  More background:
> -	 https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful/
> -
> -	 Better alternatives are:
> -	   - stdvga (DRM_BOCHS, qemu -vga std, default in qemu 2.2+)
> -	   - qxl (DRM_QXL, qemu -vga qxl, works best with spice)
> -	   - virtio (DRM_VIRTIO_GPU), qemu -vga virtio)
> diff --git a/drivers/gpu/drm/cirrus/Makefile b/drivers/gpu/drm/cirrus/Makefile
> deleted file mode 100644
> index 0c1ed3f99725..000000000000
> --- a/drivers/gpu/drm/cirrus/Makefile
> +++ /dev/null
> @@ -1,2 +0,0 @@
> -# SPDX-License-Identifier: GPL-2.0-only
> -obj-$(CONFIG_DRM_CIRRUS_QEMU) += cirrus.o
> diff --git a/drivers/gpu/drm/tiny/Kconfig b/drivers/gpu/drm/tiny/Kconfig
> index 4160e74e4751..2b6414f0fa75 100644
> --- a/drivers/gpu/drm/tiny/Kconfig
> +++ b/drivers/gpu/drm/tiny/Kconfig
> @@ -1,5 +1,24 @@
>  # SPDX-License-Identifier: GPL-2.0-only
>  
> +config DRM_CIRRUS_QEMU
> +	tristate "Cirrus driver for QEMU emulated device"
> +	depends on DRM && PCI && MMU
> +	select DRM_KMS_HELPER
> +	select DRM_GEM_SHMEM_HELPER
> +	help
> +	 This is a KMS driver for emulated cirrus device in qemu.
> +	 It is *NOT* intended for real cirrus devices. This requires
> +	 the modesetting userspace X.org driver.
> +
> +	 Cirrus is obsolete, the hardware was designed in the 90ies
> +	 and can't keep up with todays needs.  More background:
> +	 https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful/
> +
> +	 Better alternatives are:
> +	   - stdvga (DRM_BOCHS, qemu -vga std, default in qemu 2.2+)
> +	   - qxl (DRM_QXL, qemu -vga qxl, works best with spice)
> +	   - virtio (DRM_VIRTIO_GPU), qemu -vga virtio)
> +
>  config DRM_GM12U320
>  	tristate "GM12U320 driver for USB projectors"
>  	depends on DRM && USB
> diff --git a/drivers/gpu/drm/tiny/Makefile b/drivers/gpu/drm/tiny/Makefile
> index c96ceee71453..6ae4e9e5a35f 100644
> --- a/drivers/gpu/drm/tiny/Makefile
> +++ b/drivers/gpu/drm/tiny/Makefile
> @@ -1,5 +1,6 @@
>  # SPDX-License-Identifier: GPL-2.0-only
>  
> +obj-$(CONFIG_DRM_CIRRUS_QEMU)		+= cirrus.o
>  obj-$(CONFIG_DRM_GM12U320)		+= gm12u320.o
>  obj-$(CONFIG_TINYDRM_HX8357D)		+= hx8357d.o
>  obj-$(CONFIG_TINYDRM_ILI9225)		+= ili9225.o
> diff --git a/drivers/gpu/drm/cirrus/cirrus.c b/drivers/gpu/drm/tiny/cirrus.c
> similarity index 100%
> rename from drivers/gpu/drm/cirrus/cirrus.c
> rename to drivers/gpu/drm/tiny/cirrus.c
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer

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