Re: port-amd64/58657: i915drmkms blank screen

["Taylor R Campbell via gnats" <gnats-admin%NetBSD.org@localhost>]

The following reply was made to PR port-amd64/58657; it has been noted by GNATS.

From: Taylor R Campbell <riastradh%NetBSD.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: port-amd64-maintainer%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
	netbsd-bugs%netbsd.org@localhost, roddy.gonzalez.89%gmail.com@localhost
Subject: Re: port-amd64/58657: i915drmkms blank screen
Date: Sun, 1 Nov 2026 10:12:51 +0000

 > Date: Thu, 29 Oct 2026 03:49:38 +0800
 > From: hoshinomori <hoshinomori%owarisekai.moe@localhost>
 >=20
 > -		bus_space_write_4(execlists->bst, execlists->bsh, execlists->submit_re=
 g + port * 2, lower_32_bits(desc));
 > -		bus_space_write_4(execlists->bst, execlists->bsh, execlists->submit_re=
 g + port * 2 + 1, upper_32_bits(desc));
 > +		bus_space_write_4(execlists->bst, execlists->bsh, execlists->submit_re=
 g + sizeof(u32) * (port * 2), lower_32_bits(desc));
 > +		bus_space_write_4(execlists->bst, execlists->bsh, execlists->submit_re=
 g + sizeof(u32) * (port * 2 + 1), upper_32_bits(desc));
 
 Nice catch!  I figured there would be more bugs of that class but I
 didn't find them when I last went searching after turning up one of
 them.  I'll take another pass through to look for similar bugs.