Re: [PATCH 3/3] drm/vc4: Add specific compatible strings for Cygnus.

2017-04-20 Thread Rob Herring
On Tue, Apr 18, 2017 at 12:11:57PM -0700, Eric Anholt wrote: > Cygnus has V3D 2.6 instead of 2.1, and doesn't use the VC4 display > modules. The V3D can be uniquely identified by the IDENT[01] > registers, and there's nothing to key off of for the display change > other than the lack of DT nodes

Re: [PATCH 3/3] drm/vc4: Add specific compatible strings for Cygnus.

2017-04-20 Thread Rob Herring
On Tue, Apr 18, 2017 at 12:11:57PM -0700, Eric Anholt wrote: > Cygnus has V3D 2.6 instead of 2.1, and doesn't use the VC4 display > modules. The V3D can be uniquely identified by the IDENT[01] > registers, and there's nothing to key off of for the display change > other than the lack of DT nodes

[PATCH 3/3] drm/vc4: Add specific compatible strings for Cygnus.

2017-04-18 Thread Eric Anholt
Cygnus has V3D 2.6 instead of 2.1, and doesn't use the VC4 display modules. The V3D can be uniquely identified by the IDENT[01] registers, and there's nothing to key off of for the display change other than the lack of DT nodes for the display components, but it's convention to have new

[PATCH 3/3] drm/vc4: Add specific compatible strings for Cygnus.

2017-04-18 Thread Eric Anholt
Cygnus has V3D 2.6 instead of 2.1, and doesn't use the VC4 display modules. The V3D can be uniquely identified by the IDENT[01] registers, and there's nothing to key off of for the display change other than the lack of DT nodes for the display components, but it's convention to have new