RE: [PATCH] uapi/drm/drm_fourcc.h: Note on platform specificity for format modifiers

2020-05-06 Thread Kahola, Mika
> -Original Message- > From: Daniel Vetter > Sent: Monday, May 4, 2020 2:17 PM > To: Kahola, Mika > Cc: dri-devel > Subject: Re: [PATCH] uapi/drm/drm_fourcc.h: Note on platform specificity for > format modifiers > > On Mon, May 4, 2020 at 11:08 AM Mika Kahol

Re: [PATCH] uapi/drm/drm_fourcc.h: Note on platform specificity for format modifiers

2020-05-04 Thread Daniel Vetter
On Mon, May 4, 2020 at 11:08 AM Mika Kahola wrote: > > Make an additional note on DRM format modifiers for x and y tiling. These > format modifiers are defined for BDW+ platforms and therefore definition > is not valid for older gens. This is due to address swizzling for tiled > surfaces is no lon

[PATCH] uapi/drm/drm_fourcc.h: Note on platform specificity for format modifiers

2020-05-04 Thread Mika Kahola
Make an additional note on DRM format modifiers for x and y tiling. These format modifiers are defined for BDW+ platforms and therefore definition is not valid for older gens. This is due to address swizzling for tiled surfaces is no longer used. For newer platforms main memory controller has a mor