Re: [PATCH] drm/virtio: Add option to disable KMS support

2023-02-28 Thread Thomas Zimmermann
Hi Am 24.02.23 um 19:02 schrieb Rob Clark: From: Rob Clark Add a build option to disable modesetting support. This is useful in cases where the guest only needs to use the GPU in a headless mode, or (such as in the CrOS usage) window surfaces are proxied to a host compositor. We've just bee

Re: [PATCH] drm/virtio: Add option to disable KMS support

2023-02-28 Thread Javier Martinez Canillas
Thomas Zimmermann writes: > Hi > > Am 28.02.23 um 10:19 schrieb Javier Martinez Canillas: >> Gerd Hoffmann writes: > [...] >>> >>> I think it is a bad idea to make that a compile time option, I'd suggest >>> a runtime switch instead, for example a module parameter to ask the >>> driver to ignore

Re: [PATCH] drm/virtio: Add option to disable KMS support

2023-02-28 Thread Thomas Zimmermann
Hi Am 28.02.23 um 10:19 schrieb Javier Martinez Canillas: Gerd Hoffmann writes: [...] I think it is a bad idea to make that a compile time option, I'd suggest a runtime switch instead, for example a module parameter to ask the driver to ignore any scanouts. I don't think there's a need fo

Re: [PATCH] drm/virtio: Add option to disable KMS support

2023-02-28 Thread Dmitry Osipenko
On 2/28/23 12:19, Javier Martinez Canillas wrote: > Gerd Hoffmann writes: > > Hello Gerd, > >> On Mon, Feb 27, 2023 at 07:40:11AM -0800, Rob Clark wrote: >>> On Sun, Feb 26, 2023 at 10:38 PM Gerd Hoffmann wrote: On Fri, Feb 24, 2023 at 10:02:24AM -0800, Rob Clark wrote: > From: Rob Cla

Re: [PATCH] drm/virtio: Add option to disable KMS support

2023-02-28 Thread Javier Martinez Canillas
Gerd Hoffmann writes: Hello Gerd, > On Mon, Feb 27, 2023 at 07:40:11AM -0800, Rob Clark wrote: >> On Sun, Feb 26, 2023 at 10:38 PM Gerd Hoffmann wrote: >> > >> > On Fri, Feb 24, 2023 at 10:02:24AM -0800, Rob Clark wrote: >> > > From: Rob Clark >> > > >> > > Add a build option to disable modese

Re: [PATCH] drm/virtio: Add option to disable KMS support

2023-02-27 Thread Gerd Hoffmann
On Mon, Feb 27, 2023 at 07:40:11AM -0800, Rob Clark wrote: > On Sun, Feb 26, 2023 at 10:38 PM Gerd Hoffmann wrote: > > > > On Fri, Feb 24, 2023 at 10:02:24AM -0800, Rob Clark wrote: > > > From: Rob Clark > > > > > > Add a build option to disable modesetting support. This is useful in > > > cases

Re: [PATCH] drm/virtio: Add option to disable KMS support

2023-02-27 Thread Ville Syrjälä
On Mon, Feb 27, 2023 at 07:40:11AM -0800, Rob Clark wrote: > On Sun, Feb 26, 2023 at 10:38 PM Gerd Hoffmann wrote: > > > > On Fri, Feb 24, 2023 at 10:02:24AM -0800, Rob Clark wrote: > > > From: Rob Clark > > > > > > Add a build option to disable modesetting support. This is useful in > > > cases

Re: [PATCH] drm/virtio: Add option to disable KMS support

2023-02-27 Thread Rob Clark
On Sun, Feb 26, 2023 at 10:38 PM Gerd Hoffmann wrote: > > On Fri, Feb 24, 2023 at 10:02:24AM -0800, Rob Clark wrote: > > From: Rob Clark > > > > Add a build option to disable modesetting support. This is useful in > > cases where the guest only needs to use the GPU in a headless mode, or > > (su

Re: [PATCH] drm/virtio: Add option to disable KMS support

2023-02-26 Thread Gerd Hoffmann
On Fri, Feb 24, 2023 at 10:02:24AM -0800, Rob Clark wrote: > From: Rob Clark > > Add a build option to disable modesetting support. This is useful in > cases where the guest only needs to use the GPU in a headless mode, or > (such as in the CrOS usage) window surfaces are proxied to a host > com

Re: [PATCH] drm/virtio: Add option to disable KMS support

2023-02-25 Thread Dmitry Osipenko
On 2/24/23 21:02, Rob Clark wrote: > obj-$(CONFIG_DRM_VIRTIO_GPU) += virtio-gpu.o > diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c > b/drivers/gpu/drm/virtio/virtgpu_drv.c > index ae97b98750b6..9cb7d6dd3da6 100644 > --- a/drivers/gpu/drm/virtio/virtgpu_drv.c > +++ b/drivers/gpu/drm/virtio/virt