Re: [PATCH v13 0/4] Mediatek MT8173 CMDQ support

2016-09-02 Thread Horng-Shyang Liao
Hi Jassi, On Wed, 2016-08-31 at 14:15 +0530, Jassi Brar wrote: > On Wed, Aug 31, 2016 at 1:43 PM, Horng-Shyang Liao > wrote: [...] > >> Platforms that need shared access to a channel, implement a 'server' > >> driver that serialise (which is needed still) the access to common > >> channel. If yo

Re: [PATCH v13 0/4] Mediatek MT8173 CMDQ support

2016-08-31 Thread Jassi Brar
On Wed, Aug 31, 2016 at 1:43 PM, Horng-Shyang Liao wrote: >> >> The driver uses the mailbox framework, so it should live in the >> >> drivers/mailbox folder. >> > >> > As you know, the maximum number of gce threads is 16. >> > However, we plan to support more clients in the future, >> > and they

Re: [PATCH v13 0/4] Mediatek MT8173 CMDQ support

2016-08-31 Thread Horng-Shyang Liao
Hi Jassi, On Thu, 2016-08-25 at 19:12 +0530, Jassi Brar wrote: > On Thu, Aug 25, 2016 at 7:07 PM, Horng-Shyang Liao > wrote: > > Hi Matthias, > > > > On Wed, 2016-08-24 at 13:00 +0200, Matthias Brugger wrote: > >> On 24/08/16 05:27, HS Liao wrote: [...] > >> > HS Liao (4): > >> > dt-bindings:

Re: [PATCH v13 0/4] Mediatek MT8173 CMDQ support

2016-08-25 Thread Horng-Shyang Liao
Hi Matthias, On Wed, 2016-08-24 at 13:00 +0200, Matthias Brugger wrote: > On 24/08/16 05:27, HS Liao wrote: [...] > > Changes since v12: > > - remove mediatek,gce from device tree > > Why? The binding got accepted by Rob. We can get cmdq dev from mailbox controller, so we don't need mediatek,gc

Re: [PATCH v13 0/4] Mediatek MT8173 CMDQ support

2016-08-25 Thread Jassi Brar
On Thu, Aug 25, 2016 at 7:07 PM, Horng-Shyang Liao wrote: > Hi Matthias, > > On Wed, 2016-08-24 at 13:00 +0200, Matthias Brugger wrote: >> On 24/08/16 05:27, HS Liao wrote: > [...] >> > Changes since v12: >> > - remove mediatek,gce from device tree >> >> Why? The binding got accepted by Rob. > >

Re: [PATCH v13 0/4] Mediatek MT8173 CMDQ support

2016-08-24 Thread Matthias Brugger
On 24/08/16 05:27, HS Liao wrote: Hi, This is Mediatek MT8173 Command Queue(CMDQ) driver. The CMDQ is used to help write registers with critical time limitation, such as updating display configuration during the vblank. It controls Global Command Engine (GCE) hardware to achieve this requirem