[Bug 97988] [radeonsi] playing back videos with VDPAU exhibits deinterlacing/anti-aliasing issues not visible with VA-API

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97988

--- Comment #26 from Kai <kai at dev.carbon-project.org> ---
Created attachment 127922
  --> https://bugs.freedesktop.org/attachment.cgi?id=127922&action=edit
Updated version of attachment 127812

(In reply to Nicolai Hähnle from comment #20)
> Created attachment 127812
> Mesa part of fix
> 
> LLVM patch https://reviews.llvm.org/D26348 together with the attached patch
> for Mesa fix this bug.

I can confirm, that this seems to fix the issue for me. You can have my
 Tested-by: Kai Wasserbäch <kai at dev.carbon-project.org>

Note: I had to update attachment 127812 to the attached version in order to
apply it on top of current Mesa master. See below for the full stack details.

(In reply to Andy Furniss from comment #21)
> (In reply to Nicolai Hähnle from comment #20)
> > Created attachment 127812 [details] [review] [review]
> > Mesa part of fix
> > 
> > LLVM patch https://reviews.llvm.org/D26348 together with the attached patch
> > for Mesa fix this bug.
> 
> Nice, will test later, but is there a actually a nice way to get a patch
> from Phabricator that will apply from top level with git apply?
> 
> I usually fail with "download raw diff" and have to search/sort out the
> paths by hand.

patch -p0 is your friend. (If you use quilt: quilt import -p0)


The stack used to verify the issue is fixed was (Debian testing as a base):
GPU: Hawaii PRO [Radeon R9 290] (ChipID = 0x67b1)
Mesa: Git:master/3ff9f8c532 + the modified version of attachment 127812
libdrm: 2.4.71-1
LLVM: SVN:trunk/r282761 (4.0 devel) +
<https://reviews.llvm.org/D26348?download=true>
X.Org: 2:1.18.4-2
Linux: 4.8.7
Firmware: Git:master/a179db9791
libclc: Git:master/520743b0b7
DDX (amdgpu): 1.1.2-1

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