Date: Sun, 7 Sep 2014 16:37:09 +0400 From: Mikhail Tsatsenko <m.tsatsenko@gmail.com> To: =?UTF-8?B?SmVhbi1Tw6liYXN0aWVuIFDDqWRyb24=?= <dumbbell@freebsd.org> Cc: freebsd-x11@freebsd.org Subject: Re: [CFT] i915: add HW context support (for Mesa 9.2+) Message-ID: <CAGK=9AFbd6L-tukczCYw_Jy-UCBhdkGW0Z8kWVZkyon0KaNHOw@mail.gmail.com> In-Reply-To: <540C1CA8.603@FreeBSD.org> References: <540C1CA8.603@FreeBSD.org>
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2014-09-07 12:51 GMT+04:00 Jean-Sébastien Pédron <dumbbell@freebsd.org>: > Hello! > > Mesa 9.2+ requires "hardware context support" [1] in the i915 driver to > work on Intel GPUs found in Sandy Bridge and later. Our driver lacks > this feature, that's why we're stuck with Mesa 9.1 in the ports tree. > > If you have one of those GPUs and you try Mesa 10.2 for instance > (available from the xorg-dev's experimental branch [2]), it will > complain with the following message: > > # glxinfo > name of display: :0.0 > Gen6+ requires Kernel 3.6 or later. > Assertion failed: (ctx->Version > 0), (...) > Abort (core dumped) > > I prepared a patch to add this feature to our i915 driver; the goal is > to have it in 10.1-RELEASE: > https://wiki.freebsd.org/Graphics/Add%20HW%20context%20support%20to%20i915 > > The article above explains how to test the patch. We're interested in > success/failure reports for any GPU, not just Intel ones. So please test > it! :) > > Thank you! Hi! Thanks for your great work. I just tried to apply the patch against releng/10.0 and it failed to apply clearly. patch -p 1 -sC < /tmp/drm-i915-hw-context.1.patch 1 out of 3 hunks failed while patching sys/dev/drm2/drm_os_freebsd.h 1 out of 2 hunks failed while patching sys/modules/drm2/drm2/Makefile No such line 44 in input file, ignoring 2 out of 3 hunks failed while patching sys/modules/drm2/i915kms/Makefile 2 out of 2 hunks failed while patching sys/modules/drm2/radeonkms/Makefile No such line 392 in input file, ignoring patch: **** misordered hunks! output would be garbled Which revision I should use to test the patch? > [1] > https://bwidawsk.net/blog/index.php/2013/01/i915-hardware-contexts-and-some-bits-about-batchbuffers/ > [2] https://wiki.freebsd.org/Graphics#experimental > > -- > Jean-Sébastien Pédron > -- Mikhail
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