Re: [PATCH] drm: add drm_format_alpha_bits

2018-01-12 Thread Ville Syrjälä
On Fri, Jan 12, 2018 at 04:11:38PM +, Ayan Halder wrote: > On Fri, Jan 12, 2018 at 05:53:33PM +0200, Ville Syrj?l? wrote: > > On Fri, Jan 12, 2018 at 03:43:49PM +, Ayan Halder wrote: > > > On Fri, Jan 12, 2018 at 04:28:34PM +0200, Ville Syrj?l? wrote: > > > > On Fri, Jan 12, 2018 at 02:21:1

Re: [PATCH] drm: add drm_format_alpha_bits

2018-01-12 Thread Ayan Halder
On Fri, Jan 12, 2018 at 04:51:16PM +0100, Maxime Ripard wrote: > Hi, > > On Fri, Jan 12, 2018 at 03:43:49PM +, Ayan Halder wrote: > > On Fri, Jan 12, 2018 at 04:28:34PM +0200, Ville Syrj?l? wrote: > > > On Fri, Jan 12, 2018 at 02:21:16PM +, Ayan Halder wrote: > > > > drm_format_info does n

Re: [PATCH] drm: add drm_format_alpha_bits

2018-01-12 Thread Ayan Halder
On Fri, Jan 12, 2018 at 05:53:33PM +0200, Ville Syrj?l? wrote: > On Fri, Jan 12, 2018 at 03:43:49PM +, Ayan Halder wrote: > > On Fri, Jan 12, 2018 at 04:28:34PM +0200, Ville Syrj?l? wrote: > > > On Fri, Jan 12, 2018 at 02:21:16PM +, Ayan Halder wrote: > > > > drm_format_info does not descri

Re: [PATCH] drm: add drm_format_alpha_bits

2018-01-12 Thread Ville Syrjälä
On Fri, Jan 12, 2018 at 03:43:49PM +, Ayan Halder wrote: > On Fri, Jan 12, 2018 at 04:28:34PM +0200, Ville Syrj?l? wrote: > > On Fri, Jan 12, 2018 at 02:21:16PM +, Ayan Halder wrote: > > > drm_format_info does not describe the number of bits used for the alpha > > > channel. That informatio

Re: [PATCH] drm: add drm_format_alpha_bits

2018-01-12 Thread Maxime Ripard
Hi, On Fri, Jan 12, 2018 at 03:43:49PM +, Ayan Halder wrote: > On Fri, Jan 12, 2018 at 04:28:34PM +0200, Ville Syrj?l? wrote: > > On Fri, Jan 12, 2018 at 02:21:16PM +, Ayan Halder wrote: > > > drm_format_info does not describe the number of bits used for the alpha > > > channel. That infor

Re: [PATCH] drm: add drm_format_alpha_bits

2018-01-12 Thread Ayan Halder
On Fri, Jan 12, 2018 at 04:28:34PM +0200, Ville Syrj?l? wrote: > On Fri, Jan 12, 2018 at 02:21:16PM +, Ayan Halder wrote: > > drm_format_info does not describe the number of bits used for the alpha > > channel. That information is useful in a central place like drm_fourcc.c > > where it can be

Re: [PATCH] drm: add drm_format_alpha_bits

2018-01-12 Thread Ville Syrjälä
On Fri, Jan 12, 2018 at 02:21:16PM +, Ayan Halder wrote: > drm_format_info does not describe the number of bits used for the alpha > channel. That information is useful in a central place like drm_fourcc.c > where it can be queried by the drivers that want to determine if 'alpha > blending' is