Re: [PATCH 01/10] drm/etnaviv: add uapi for register read feature

2017-01-30 Thread Daniel Vetter
On Mon, Jan 30, 2017 at 11:45:59PM +, Russell King - ARM Linux wrote: > On Mon, Jan 30, 2017 at 09:18:25PM +0100, Thierry Reding wrote: > > On Fri, Dec 09, 2016 at 12:21:22PM +0100, Christian Gmeiner wrote: > > > @@ -167,6 +174,9 @@ struct drm_etnaviv_gem_submit { > > > __u64 bos;

Re: [PATCH 01/10] drm/etnaviv: add uapi for register read feature

2017-01-30 Thread Russell King - ARM Linux
On Mon, Jan 30, 2017 at 09:18:25PM +0100, Thierry Reding wrote: > On Fri, Dec 09, 2016 at 12:21:22PM +0100, Christian Gmeiner wrote: > > @@ -167,6 +174,9 @@ struct drm_etnaviv_gem_submit { > > __u64 bos;/* in, ptr to array of submit_bo's */ > > __u64 relocs; /* in, ptr t

Re: [PATCH 01/10] drm/etnaviv: add uapi for register read feature

2017-01-30 Thread Thierry Reding
On Fri, Dec 09, 2016 at 12:21:22PM +0100, Christian Gmeiner wrote: > We need to readout some registers _after_ the submited command > buffer got executed in order to support perf counters. > There is no way to read register via command stream - even the > Vivante kernel driver does it via a special

Re: [PATCH 01/10] drm/etnaviv: add uapi for register read feature

2017-01-30 Thread Lucas Stach
Hi Christian, Am Freitag, den 09.12.2016, 12:21 +0100 schrieb Christian Gmeiner: > We need to readout some registers _after_ the submited command > buffer got executed in order to support perf counters. > There is no way to read register via command stream - even the > Vivante kernel driver does i

[PATCH 01/10] drm/etnaviv: add uapi for register read feature

2016-12-09 Thread Christian Gmeiner
We need to readout some registers _after_ the submited command buffer got executed in order to support perf counters. There is no way to read register via command stream - even the Vivante kernel driver does it via a special ioctl. Signed-off-by: Christian Gmeiner --- include/uapi/drm/etnaviv_dr