Re: [RFC PATCH 00/11] Introduce writeback connectors

2016-10-14 Thread Daniel Vetter
On Fri, Oct 14, 2016 at 2:39 PM, Brian Starkey wrote: >> - Besides the above property, writeback hardware can have provisions >> for scaling, color space conversion and rotation. This would mean that >> we'd eventually add more writeback specific props/params in >> drm_connector/drm_connector_stat

Re: [RFC PATCH 00/11] Introduce writeback connectors

2016-10-14 Thread Ville Syrjälä
On Fri, Oct 14, 2016 at 01:39:15PM +0100, Brian Starkey wrote: > Hi Archit, > > On Fri, Oct 14, 2016 at 04:20:14PM +0530, Archit Taneja wrote: > >Hi Brian, > > > >On 10/11/2016 08:23 PM, Brian Starkey wrote: > >>Hi, > >> > >>This RFC series introduces a new connector type: > >> DRM_MODE_CONNECTOR_

Re: [RFC PATCH 00/11] Introduce writeback connectors

2016-10-14 Thread Brian Starkey
Hi Archit, On Fri, Oct 14, 2016 at 04:20:14PM +0530, Archit Taneja wrote: Hi Brian, On 10/11/2016 08:23 PM, Brian Starkey wrote: Hi, This RFC series introduces a new connector type: DRM_MODE_CONNECTOR_WRITEBACK It is a follow-on from a previous discussion: [1] Writeback connectors are used t

Re: [RFC PATCH 00/11] Introduce writeback connectors

2016-10-14 Thread Archit Taneja
Hi Brian, On 10/11/2016 08:23 PM, Brian Starkey wrote: Hi, This RFC series introduces a new connector type: DRM_MODE_CONNECTOR_WRITEBACK It is a follow-on from a previous discussion: [1] Writeback connectors are used to expose the memory writeback engines found in some display controllers, wh

Re: [RFC PATCH 00/11] Introduce writeback connectors

2016-10-13 Thread Eric Anholt
Brian Starkey writes: > Hi Eric, > > On Tue, Oct 11, 2016 at 12:01:14PM -0700, Eric Anholt wrote: >>Brian Starkey writes: >> >>> Hi, >>> >>> This RFC series introduces a new connector type: >>> DRM_MODE_CONNECTOR_WRITEBACK >>> It is a follow-on from a previous discussion: [1] >>> >>> Writeback

Re: [RFC PATCH 00/11] Introduce writeback connectors

2016-10-12 Thread Brian Starkey
Hi Eric, On Tue, Oct 11, 2016 at 12:01:14PM -0700, Eric Anholt wrote: Brian Starkey writes: Hi, This RFC series introduces a new connector type: DRM_MODE_CONNECTOR_WRITEBACK It is a follow-on from a previous discussion: [1] Writeback connectors are used to expose the memory writeback engin

Re: [RFC PATCH 00/11] Introduce writeback connectors

2016-10-11 Thread Daniel Vetter
On Tue, Oct 11, 2016 at 10:24:23PM +0100, Brian Starkey wrote: > On Tue, Oct 11, 2016 at 10:02:43PM +0200, Daniel Vetter wrote: > > The problem with just that is that there's lots of different things > > that can feed into the overall needs_modeset variable. That's why we > > split it up into multi

Re: [RFC PATCH 00/11] Introduce writeback connectors

2016-10-11 Thread Brian Starkey
On Tue, Oct 11, 2016 at 10:02:43PM +0200, Daniel Vetter wrote: On Tue, Oct 11, 2016 at 9:44 PM, Brian Starkey wrote: Hi, On Tue, Oct 11, 2016 at 07:01:33PM +0200, Daniel Vetter wrote: On Tue, Oct 11, 2016 at 6:43 PM, Brian Starkey wrote: Hi Daniel, Firstly thanks very much for having a

Re: [RFC PATCH 00/11] Introduce writeback connectors

2016-10-11 Thread Daniel Vetter
On Tue, Oct 11, 2016 at 9:44 PM, Brian Starkey wrote: > Hi, > > > On Tue, Oct 11, 2016 at 07:01:33PM +0200, Daniel Vetter wrote: >> >> On Tue, Oct 11, 2016 at 6:43 PM, Brian Starkey >> wrote: >>> >>> Hi Daniel, >>> >>> Firstly thanks very much for having a look. >>> >>> >>> On Tue, Oct 11, 2016 a

Re: [RFC PATCH 00/11] Introduce writeback connectors

2016-10-11 Thread Brian Starkey
Hi, On Tue, Oct 11, 2016 at 07:01:33PM +0200, Daniel Vetter wrote: On Tue, Oct 11, 2016 at 6:43 PM, Brian Starkey wrote: Hi Daniel, Firstly thanks very much for having a look. On Tue, Oct 11, 2016 at 05:43:59PM +0200, Daniel Vetter wrote: On Tue, Oct 11, 2016 at 03:53:57PM +0100, Brian St

Re: [RFC PATCH 00/11] Introduce writeback connectors

2016-10-11 Thread Eric Anholt
Brian Starkey writes: > Hi, > > This RFC series introduces a new connector type: > DRM_MODE_CONNECTOR_WRITEBACK > It is a follow-on from a previous discussion: [1] > > Writeback connectors are used to expose the memory writeback engines > found in some display controllers, which can write a CRTC

Re: [RFC PATCH 00/11] Introduce writeback connectors

2016-10-11 Thread Daniel Vetter
On Tue, Oct 11, 2016 at 6:43 PM, Brian Starkey wrote: > Hi Daniel, > > Firstly thanks very much for having a look. > > > On Tue, Oct 11, 2016 at 05:43:59PM +0200, Daniel Vetter wrote: >> >> On Tue, Oct 11, 2016 at 03:53:57PM +0100, Brian Starkey wrote: >>> >>> Hi, >>> >>> This RFC series introduce

Re: [RFC PATCH 00/11] Introduce writeback connectors

2016-10-11 Thread Brian Starkey
Hi Daniel, Firstly thanks very much for having a look. On Tue, Oct 11, 2016 at 05:43:59PM +0200, Daniel Vetter wrote: On Tue, Oct 11, 2016 at 03:53:57PM +0100, Brian Starkey wrote: Hi, This RFC series introduces a new connector type: DRM_MODE_CONNECTOR_WRITEBACK It is a follow-on from a prev

Re: [RFC PATCH 00/11] Introduce writeback connectors

2016-10-11 Thread Ville Syrjälä
On Tue, Oct 11, 2016 at 03:53:57PM +0100, Brian Starkey wrote: > Hi, > > This RFC series introduces a new connector type: > DRM_MODE_CONNECTOR_WRITEBACK > It is a follow-on from a previous discussion: [1] > > Writeback connectors are used to expose the memory writeback engines > found in some di

Re: [RFC PATCH 00/11] Introduce writeback connectors

2016-10-11 Thread Daniel Vetter
On Tue, Oct 11, 2016 at 6:25 PM, Ville Syrjälä wrote: >> Writeback connector usage: >> -- >> Due to connector routing changes being treated as "full modeset" >> operations, any client which wishes to use a writeback connector >> should include the connector in every modeset

Re: [RFC PATCH 00/11] Introduce writeback connectors

2016-10-11 Thread Daniel Vetter
On Tue, Oct 11, 2016 at 03:53:57PM +0100, Brian Starkey wrote: > Hi, > > This RFC series introduces a new connector type: > DRM_MODE_CONNECTOR_WRITEBACK > It is a follow-on from a previous discussion: [1] > > Writeback connectors are used to expose the memory writeback engines > found in some di

[RFC PATCH 00/11] Introduce writeback connectors

2016-10-11 Thread Brian Starkey
Hi, This RFC series introduces a new connector type: DRM_MODE_CONNECTOR_WRITEBACK It is a follow-on from a previous discussion: [1] Writeback connectors are used to expose the memory writeback engines found in some display controllers, which can write a CRTC's composition result to a memory buff