Re: [PATCH] drm: hdlcd: allow HDLCD to be used without interrupt

2017-08-30 Thread Russell King - ARM Linux
On Wed, Aug 30, 2017 at 11:54:14AM +0100, Liviu Dudau wrote: > On Tue, Aug 29, 2017 at 05:48:24PM +0100, Russell King - ARM Linux wrote: > > On Tue, Aug 29, 2017 at 02:33:52PM +0100, Liviu Dudau wrote: > > > I've worked with Vladimir Murzin inside ARM to try to sort out problems > > > on the board

Re: [PATCH] drm: hdlcd: allow HDLCD to be used without interrupt

2017-08-30 Thread Liviu Dudau
On Tue, Aug 29, 2017 at 05:48:24PM +0100, Russell King - ARM Linux wrote: > On Tue, Aug 29, 2017 at 02:33:52PM +0100, Liviu Dudau wrote: > > I've worked with Vladimir Murzin inside ARM to try to sort out problems > > on the board like the one that you have. He's got to a point where the HDLCD > > s

Re: [PATCH] drm: hdlcd: allow HDLCD to be used without interrupt

2017-08-29 Thread Russell King - ARM Linux
On Tue, Aug 29, 2017 at 02:33:52PM +0100, Liviu Dudau wrote: > I've worked with Vladimir Murzin inside ARM to try to sort out problems > on the board like the one that you have. He's got to a point where the HDLCD > starts correctly after adding a non-fixed pxlclk source, but then the rest of > the

Re: [PATCH] drm: hdlcd: allow HDLCD to be used without interrupt

2017-08-29 Thread Liviu Dudau
On Fri, Jul 28, 2017 at 04:58:27PM +0100, Russell King - ARM Linux wrote: > On Fri, Jul 28, 2017 at 04:23:11PM +0100, Liviu Dudau wrote: > > On Wed, Jul 26, 2017 at 11:27:48AM +0100, Russell King - ARM Linux wrote: > > > On Wed, Jul 26, 2017 at 11:05:39AM +0100, Russell King wrote: > > > > Some ARM

Re: [PATCH] drm: hdlcd: allow HDLCD to be used without interrupt

2017-08-24 Thread Liviu Dudau
On Mon, Aug 21, 2017 at 03:45:21PM +0100, Vladimir Murzin wrote: > On 10/08/17 13:15, Vladimir Murzin wrote: > > On 26/07/17 11:27, Russell King - ARM Linux wrote: > >> I suspect the above failure is down to either (a) not having enough > >> memory available to allocate a 1920x1080 frame buffer, or

Re: [PATCH] drm: hdlcd: allow HDLCD to be used without interrupt

2017-08-21 Thread Vladimir Murzin
On 10/08/17 13:15, Vladimir Murzin wrote: > On 26/07/17 11:27, Russell King - ARM Linux wrote: >> I suspect the above failure is down to either (a) not having enough >> memory available to allocate a 1920x1080 frame buffer, or (b) not >> (yet) being able to program the hdlcd pixel clock for this pl

Re: [PATCH] drm: hdlcd: allow HDLCD to be used without interrupt

2017-08-12 Thread Vladimir Murzin
On 26/07/17 11:27, Russell King - ARM Linux wrote: > I suspect the above failure is down to either (a) not having enough > memory available to allocate a 1920x1080 frame buffer, or (b) not > (yet) being able to program the hdlcd pixel clock for this platform, > which is currently hard-coded in DT a

Re: [PATCH] drm: hdlcd: allow HDLCD to be used without interrupt

2017-08-03 Thread Rob Herring
On Wed, Jul 26, 2017 at 11:05:39AM +0100, Russell King wrote: > Some ARM platforms do not wire the HDLCD interrupt. Allow hdlcd to > initialise without an interrupt present. > > Signed-off-by: Russell King > --- > Documentation/devicetree/bindings/display/arm,hdlcd.txt | 6 +++--- Acked-by: Ro

Re: [PATCH] drm: hdlcd: allow HDLCD to be used without interrupt

2017-07-29 Thread Russell King - ARM Linux
On Fri, Jul 28, 2017 at 04:23:11PM +0100, Liviu Dudau wrote: > On Wed, Jul 26, 2017 at 11:27:48AM +0100, Russell King - ARM Linux wrote: > > On Wed, Jul 26, 2017 at 11:05:39AM +0100, Russell King wrote: > > > Some ARM platforms do not wire the HDLCD interrupt. Allow hdlcd to > > > initialise witho

Re: [PATCH] drm: hdlcd: allow HDLCD to be used without interrupt

2017-07-28 Thread Liviu Dudau
On Fri, Jul 28, 2017 at 04:58:27PM +0100, Russell King - ARM Linux wrote: > On Fri, Jul 28, 2017 at 04:23:11PM +0100, Liviu Dudau wrote: > > On Wed, Jul 26, 2017 at 11:27:48AM +0100, Russell King - ARM Linux wrote: > > > On Wed, Jul 26, 2017 at 11:05:39AM +0100, Russell King wrote: > > > > Some ARM

Re: [PATCH] drm: hdlcd: allow HDLCD to be used without interrupt

2017-07-28 Thread Liviu Dudau
On Wed, Jul 26, 2017 at 11:27:48AM +0100, Russell King - ARM Linux wrote: > On Wed, Jul 26, 2017 at 11:05:39AM +0100, Russell King wrote: > > Some ARM platforms do not wire the HDLCD interrupt. Allow hdlcd to > > initialise without an interrupt present. > > > > Signed-off-by: Russell King > Hi

Re: [PATCH] drm: hdlcd: allow HDLCD to be used without interrupt

2017-07-26 Thread Russell King - ARM Linux
On Wed, Jul 26, 2017 at 11:05:39AM +0100, Russell King wrote: > Some ARM platforms do not wire the HDLCD interrupt. Allow hdlcd to > initialise without an interrupt present. > > Signed-off-by: Russell King This isn't fully functional on ARM MPS platforms yet, but at least gets us further. With

[PATCH] drm: hdlcd: allow HDLCD to be used without interrupt

2017-07-26 Thread Russell King
Some ARM platforms do not wire the HDLCD interrupt. Allow hdlcd to initialise without an interrupt present. Signed-off-by: Russell King --- Documentation/devicetree/bindings/display/arm,hdlcd.txt | 6 +++--- drivers/gpu/drm/arm/hdlcd_drv.c | 13 - 2 files ch