On Don, 2010-05-06 at 18:52 +0200, Jerome Glisse wrote:
> Bring radeon up to speed with the async event synchronization for
> drmWaitVblank. See c9a9c5e02aedc1a2815877b0268f886d2640b771 for
> more information. Without this patch event never get delivered
> to userspace client.
>
> Signed-off-by: Jerome Glisse <jglisse@xxxxxxxxxx>
> ---
> drivers/gpu/drm/radeon/radeon_drv.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
> index 4b05563..b3749d4 100644
> --- a/drivers/gpu/drm/radeon/radeon_drv.c
> +++ b/drivers/gpu/drm/radeon/radeon_drv.c
> @@ -216,6 +216,7 @@ static struct drm_driver driver_old = {
> .mmap = drm_mmap,
> .poll = drm_poll,
> .fasync = drm_fasync,
> + .read = drm_read,
> #ifdef CONFIG_COMPAT
> .compat_ioctl = radeon_compat_ioctl,
> #endif
> @@ -304,6 +305,7 @@ static struct drm_driver kms_driver = {
> .mmap = radeon_mmap,
> .poll = drm_poll,
> .fasync = drm_fasync,
> + .read = drm_read,
> #ifdef CONFIG_COMPAT
> .compat_ioctl = radeon_kms_compat_ioctl,
> #endif
At least the KMS DRM minor should be bumped for this and checked by the
X driver before enabling the DRI2 functionality that needs it, otherwise
clients trying to use that functionality will hang.
--
Earthling Michel Dänzer | http://www.vmware.com
Libre software enthusiast | Debian, X and DRI developer
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