Re: [Linaro-mm-sig] [RFC 0/1] drm/pl111: Initial drm/kms driver for pl111

2013-08-07 Thread Alex Deucher
On Wed, Aug 7, 2013 at 1:33 PM, Tom Cooksey tom.cook...@arm.com wrote: Didn't you say that programmatically describing device placement constraints was an unbounded problem? I guess we would have to accept that it's not possible to describe all possible constraints and instead find a

Re: [Linaro-mm-sig] [RFC 0/1] drm/pl111: Initial drm/kms driver for pl111

2013-08-06 Thread Lucas Stach
Am Dienstag, den 06.08.2013, 12:31 +0100 schrieb Tom Cooksey: Hi Rob, +lkml On Fri, Jul 26, 2013 at 11:58 AM, Tom Cooksey tom.cook...@arm.com wrote: * It abuses flags parameter of DRM_IOCTL_MODE_CREATE_DUMB to also allocate buffers for the GPU. Still not sure how to

Re: [Linaro-mm-sig] [RFC 0/1] drm/pl111: Initial drm/kms driver for pl111

2013-08-06 Thread Rob Clark
On Tue, Aug 6, 2013 at 8:18 AM, Lucas Stach l.st...@pengutronix.de wrote: Am Dienstag, den 06.08.2013, 12:31 +0100 schrieb Tom Cooksey: Hi Rob, +lkml On Fri, Jul 26, 2013 at 11:58 AM, Tom Cooksey tom.cook...@arm.com wrote: * It abuses flags parameter of DRM_IOCTL_MODE_CREATE_DUMB

Re: [Linaro-mm-sig] [RFC 0/1] drm/pl111: Initial drm/kms driver for pl111

2013-08-06 Thread Lucas Stach
Am Dienstag, den 06.08.2013, 10:14 -0400 schrieb Rob Clark: On Tue, Aug 6, 2013 at 8:18 AM, Lucas Stach l.st...@pengutronix.de wrote: Am Dienstag, den 06.08.2013, 12:31 +0100 schrieb Tom Cooksey: Hi Rob, +lkml On Fri, Jul 26, 2013 at 11:58 AM, Tom Cooksey tom.cook...@arm.com

Re: [Linaro-mm-sig] [RFC 0/1] drm/pl111: Initial drm/kms driver for pl111

2013-08-06 Thread Rob Clark
On Tue, Aug 6, 2013 at 10:36 AM, Lucas Stach l.st...@pengutronix.de wrote: Am Dienstag, den 06.08.2013, 10:14 -0400 schrieb Rob Clark: On Tue, Aug 6, 2013 at 8:18 AM, Lucas Stach l.st...@pengutronix.de wrote: Am Dienstag, den 06.08.2013, 12:31 +0100 schrieb Tom Cooksey: Hi Rob, +lkml

Re: [Linaro-mm-sig] [RFC 0/1] drm/pl111: Initial drm/kms driver for pl111

2013-08-06 Thread Daniel Vetter
On Tue, Aug 6, 2013 at 2:18 PM, Lucas Stach l.st...@pengutronix.de wrote: I strongly disagree with exposing low-level hardware details like tiling to userspace. If we have to do the negotiation of those things in userspace we will end up with having to pipe those information through things