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| author | Dave Airlie <airlied@redhat.com> | 2017-01-23 00:25:53 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2017-01-23 00:25:53 +0100 |
| commit | 932790109f62aa52bdb4bb62aa66653c0b51bc75 (patch) | |
| tree | 4bedb54f139d1e74637707eae2b04978a85243bf /drivers/gpu | |
| parent | Merge branch 'drm-etnaviv-fixes' of https://git.pengutronix.de/git/lst/linux ... (diff) | |
| parent | drm: flip cirrus driver status to "obsolete". (diff) | |
| download | linux-932790109f62aa52bdb4bb62aa66653c0b51bc75.tar.xz linux-932790109f62aa52bdb4bb62aa66653c0b51bc75.zip | |
Merge tag 'drm-qemu-20170110' of git://git.kraxel.org/linux into drm-fixes
drm-qemu: virtio sparse fix, MAINTAINERS updates.
* tag 'drm-qemu-20170110' of git://git.kraxel.org/linux:
drm: flip cirrus driver status to "obsolete".
drm: update MAINTAINERS for qemu drivers (bochs, cirrus, qxl, virtio-gpu)
drm/virtio: fix framebuffer sparse warning
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/cirrus/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_fb.c | 2 |
2 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/cirrus/Kconfig b/drivers/gpu/drm/cirrus/Kconfig index 04b3c161dfae..7f4cc6e172ab 100644 --- a/drivers/gpu/drm/cirrus/Kconfig +++ b/drivers/gpu/drm/cirrus/Kconfig @@ -7,3 +7,12 @@ config DRM_CIRRUS_QEMU 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 + + Cirrus is obsolete, the hardware was designed in the 90ies + and can't keep up with todays needs.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/virtio/virtgpu_fb.c b/drivers/gpu/drm/virtio/virtgpu_fb.c index dd21f950e129..cde9f3758106 100644 --- a/drivers/gpu/drm/virtio/virtgpu_fb.c +++ b/drivers/gpu/drm/virtio/virtgpu_fb.c @@ -331,7 +331,7 @@ static int virtio_gpufb_create(struct drm_fb_helper *helper, info->fbops = &virtio_gpufb_ops; info->pixmap.flags = FB_PIXMAP_SYSTEM; - info->screen_base = obj->vmap; + info->screen_buffer = obj->vmap; info->screen_size = obj->gem_base.size; drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); drm_fb_helper_fill_var(info, &vfbdev->helper, |