Re: [PATCH 09/21] OMAPDSS: DISPC: Calculate scaling limits in a more generic way

2012-09-14 Thread Tomi Valkeinen
On Thu, 2012-09-13 at 17:44 +0530, Archit Taneja wrote: Scaling calculations for an overlay are done by comparing pixel clock of the connected overlay manager and the core clock of DISPC. The pixel clock is the output rate of the scalar. The scalar block needs to provide pixels at this rate

Re: [PATCH 09/21] OMAPDSS: DISPC: Calculate scaling limits in a more generic way

2012-09-14 Thread Archit Taneja
On Friday 14 September 2012 02:23 PM, Tomi Valkeinen wrote: On Thu, 2012-09-13 at 17:44 +0530, Archit Taneja wrote: Scaling calculations for an overlay are done by comparing pixel clock of the connected overlay manager and the core clock of DISPC. The pixel clock is the output rate of the

Re: [PATCH 09/21] OMAPDSS: DISPC: Calculate scaling limits in a more generic way

2012-09-14 Thread Tomi Valkeinen
On Fri, 2012-09-14 at 14:43 +0530, Archit Taneja wrote: On Friday 14 September 2012 02:23 PM, Tomi Valkeinen wrote: On Thu, 2012-09-13 at 17:44 +0530, Archit Taneja wrote: Scaling calculations for an overlay are done by comparing pixel clock of the connected overlay manager and the core

Re: [PATCH 09/21] OMAPDSS: DISPC: Calculate scaling limits in a more generic way

2012-09-14 Thread Archit Taneja
On Friday 14 September 2012 03:19 PM, Tomi Valkeinen wrote: On Fri, 2012-09-14 at 14:43 +0530, Archit Taneja wrote: On Friday 14 September 2012 02:23 PM, Tomi Valkeinen wrote: On Thu, 2012-09-13 at 17:44 +0530, Archit Taneja wrote: Scaling calculations for an overlay are done by comparing

Re: [PATCH 09/21] OMAPDSS: DISPC: Calculate scaling limits in a more generic way

2012-09-14 Thread Tomi Valkeinen
On Fri, 2012-09-14 at 15:33 +0530, Archit Taneja wrote: On Friday 14 September 2012 03:19 PM, Tomi Valkeinen wrote: I see your reasoning. I'm a bit reluctant to add a new clock term to omapdss. You can't (probably) find it in the TRM. Does the TRM talk about clocks with regard to WB?

[PATCH 09/21] OMAPDSS: DISPC: Calculate scaling limits in a more generic way

2012-09-13 Thread Archit Taneja
Scaling calculations for an overlay are done by comparing pixel clock of the connected overlay manager and the core clock of DISPC. The pixel clock is the output rate of the scalar. The scalar block needs to provide pixels at this rate since the manager is connected to a panel, which has real time