[PATCH 13/20] drm/bridge: Add RGB to VGA bridge support

2016-05-26 Thread Maxime Ripard
Hi Rob, On Mon, May 16, 2016 at 09:07:18AM -0500, Rob Herring wrote: > On Mon, May 16, 2016 at 7:47 AM, Maxime Ripard > wrote: > > Some boards have an entirely passive RGB to VGA bridge, based on either > > DACs or resistor ladders. > > > > Those might or might not have an i2c bus routed to the V

[PATCH 13/20] drm/bridge: Add RGB to VGA bridge support

2016-05-26 Thread Maxime Ripard
Hi Laurent, On Mon, May 16, 2016 at 04:24:15PM +0300, Laurent Pinchart wrote: > Hi Maxime, > > Thank you for the patch. > > On Monday 16 May 2016 14:47:13 Maxime Ripard wrote: > > Some boards have an entirely passive RGB to VGA bridge, based on either > > DACs or resistor ladders. > > > > Those

[PATCH 13/20] drm/bridge: Add RGB to VGA bridge support

2016-05-26 Thread Russell King - ARM Linux
On Thu, May 26, 2016 at 10:53:30AM +0200, Maxime Ripard wrote: > Hi Laurent, > > On Mon, May 16, 2016 at 04:24:15PM +0300, Laurent Pinchart wrote: > > Hi Maxime, > > > > Thank you for the patch. > > > > On Monday 16 May 2016 14:47:13 Maxime Ripard wrote: > > > +fallback: > > > + /* > > > + * In

[PATCH 13/20] drm/bridge: Add RGB to VGA bridge support

2016-05-16 Thread Laurent Pinchart
Hi Maxime, Thank you for the patch. On Monday 16 May 2016 14:47:13 Maxime Ripard wrote: > Some boards have an entirely passive RGB to VGA bridge, based on either > DACs or resistor ladders. > > Those might or might not have an i2c bus routed to the VGA connector in > order to access the screen E

[PATCH 13/20] drm/bridge: Add RGB to VGA bridge support

2016-05-16 Thread Maxime Ripard
Some boards have an entirely passive RGB to VGA bridge, based on either DACs or resistor ladders. Those might or might not have an i2c bus routed to the VGA connector in order to access the screen EDIDs. Add a bridge that doesn't do anything but expose the modes available on the screen, either ba

[PATCH 13/20] drm/bridge: Add RGB to VGA bridge support

2016-05-16 Thread Rob Herring
On Mon, May 16, 2016 at 7:47 AM, Maxime Ripard wrote: > Some boards have an entirely passive RGB to VGA bridge, based on either > DACs or resistor ladders. > > Those might or might not have an i2c bus routed to the VGA connector in > order to access the screen EDIDs. > > Add a bridge that doesn't