Re: [PATCH 1/4] drm/uapi: The ctm matrix uses sign-magnitude representation

2018-03-06 Thread Harry Wentland
On 2018-03-06 02:51 AM, Daniel Vetter wrote: > On Fri, Feb 23, 2018 at 11:26:41AM -0500, Harry Wentland wrote: >> On 2018-02-22 04:42 PM, Ville Syrjala wrote: >>> From: Ville Syrjälä >>> >>> The documentation for the ctm matrix suggests a two's complement >>>

Re: [PATCH 1/4] drm/uapi: The ctm matrix uses sign-magnitude representation

2018-03-05 Thread Daniel Vetter
On Fri, Feb 23, 2018 at 11:26:41AM -0500, Harry Wentland wrote: > On 2018-02-22 04:42 PM, Ville Syrjala wrote: > > From: Ville Syrjälä > > > > The documentation for the ctm matrix suggests a two's complement > > format, but at least the i915 implementation is using

Re: [PATCH 1/4] drm/uapi: The ctm matrix uses sign-magnitude representation

2018-02-23 Thread Ville Syrjälä
On Fri, Feb 23, 2018 at 11:26:41AM -0500, Harry Wentland wrote: > On 2018-02-22 04:42 PM, Ville Syrjala wrote: > > From: Ville Syrjälä > > > > The documentation for the ctm matrix suggests a two's complement > > format, but at least the i915 implementation is using

Re: [PATCH 1/4] drm/uapi: The ctm matrix uses sign-magnitude representation

2018-02-23 Thread Harry Wentland
On 2018-02-22 04:42 PM, Ville Syrjala wrote: > From: Ville Syrjälä > > The documentation for the ctm matrix suggests a two's complement > format, but at least the i915 implementation is using sign-magnitude > instead. And looks like malidp is doing the same. Change

Re: [PATCH 1/4] drm/uapi: The ctm matrix uses sign-magnitude representation

2018-02-23 Thread Ville Syrjälä
On Fri, Feb 23, 2018 at 01:52:22PM +, Brian Starkey wrote: > Hi Ville, > > On Thu, Feb 22, 2018 at 11:42:29PM +0200, Ville Syrjala wrote: > >From: Ville Syrjälä > > > >The documentation for the ctm matrix suggests a two's complement > >format, but at least the

Re: [PATCH 1/4] drm/uapi: The ctm matrix uses sign-magnitude representation

2018-02-23 Thread Brian Starkey
Hi Ville, On Thu, Feb 22, 2018 at 11:42:29PM +0200, Ville Syrjala wrote: From: Ville Syrjälä The documentation for the ctm matrix suggests a two's complement format, but at least the i915 implementation is using sign-magnitude instead. And looks like malidp is

RE: [PATCH 1/4] drm/uapi: The ctm matrix uses sign-magnitude representation

2018-02-23 Thread Shankar, Uma
>-Original Message- >From: Ville Syrjala [mailto:ville.syrj...@linux.intel.com] >Sent: Friday, February 23, 2018 3:12 AM >To: intel-...@lists.freedesktop.org >Cc: dri-devel@lists.freedesktop.org; Mihail Atanassov >; Liviu Dudau ; Brian