tor 2018-06-21 klockan 14:09 -0700 skrev Radhakrishna Sripada:
> On Thu, Jun 21, 2018 at 08:43:56PM +0530, Vandita Kulkarni wrote:
> > Alpha blending with alpha 0 and 0xff passes through
> > alpha math and rounding logic causing differences
> > compared to fully transparent or opaque plane,resultin
> -Original Message-
> From: Sripada, Radhakrishna
> Sent: Friday, June 22, 2018 2:39 AM
> To: Kulkarni, Vandita
> Cc: intel-gfx@lists.freedesktop.org; Lankhorst, Maarten
>
> Subject: Re: [Intel-gfx] [v2] drm/i915: Enable hw workaround to bypass
> alpha
>
&
On Thu, Jun 21, 2018 at 08:43:56PM +0530, Vandita Kulkarni wrote:
> Alpha blending with alpha 0 and 0xff passes through
> alpha math and rounding logic causing differences
> compared to fully transparent or opaque plane,resulting
> in CRC mismatch.
> This WA on icl and above enables hardware to byp
Alpha blending with alpha 0 and 0xff passes through
alpha math and rounding logic causing differences
compared to fully transparent or opaque plane,resulting
in CRC mismatch.
This WA on icl and above enables hardware to bypass alpha
math and rounding for per pixel alpha values of 00 and 0xff
v2: F
