Add a patch from upstream master to disable msaa on nv3x/nv4x (#1008089)
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From 3e9df0e3af7a8a84147ae48f588e9c435bf65b98 Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Wed, 9 Sep 2015 15:52:09 +0200
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Subject: [PATCH mesa] nv30: Disable msaa unless requested from the env by
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NV30_MAX_MSAA
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Some modern apps try to use msaa without keeping in mind the
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restrictions on videomem of older cards. Resulting in dmesg saying:
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[ 1197.850642] nouveau E[soffice.bin[3785]] fail ttm_validate
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[ 1197.850648] nouveau E[soffice.bin[3785]] validating bo list
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[ 1197.850654] nouveau E[soffice.bin[3785]] validate: -12
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Because we are running out of video memory, after which the program
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using the msaa visual freezes, and eventually the entire system freezes.
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To work around this we do not allow msaa visauls by default and allow
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the user to override this via NV30_MAX_MSAA.
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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[imirkin: move env var lookup to screen so that it's only done once]
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Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
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Cc: "10.6 11.0" <mesa-stable@lists.freedesktop.org>
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---
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src/gallium/drivers/nouveau/nv30/nv30_screen.c | 20 +++++++++++++++++++-
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src/gallium/drivers/nouveau/nv30/nv30_screen.h | 2 ++
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2 files changed, 21 insertions(+), 1 deletion(-)
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diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
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index 7aad26b..efa3a59 100644
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--- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
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+++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
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@@ -310,8 +310,9 @@ nv30_screen_is_format_supported(struct p
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unsigned sample_count,
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unsigned bindings)
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{
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- if (sample_count > 4)
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+ if (sample_count > nv30_screen(pscreen)->max_sample_count)
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return FALSE;
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+
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if (!(0x00000017 & (1 << sample_count)))
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return FALSE;
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@@ -441,6 +442,23 @@ nv30_screen_create(struct nouveau_device
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return NULL;
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}
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+ /*
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+ * Some modern apps try to use msaa without keeping in mind the
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+ * restrictions on videomem of older cards. Resulting in dmesg saying:
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+ * [ 1197.850642] nouveau E[soffice.bin[3785]] fail ttm_validate
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+ * [ 1197.850648] nouveau E[soffice.bin[3785]] validating bo list
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+ * [ 1197.850654] nouveau E[soffice.bin[3785]] validate: -12
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+ *
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+ * Because we are running out of video memory, after which the program
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+ * using the msaa visual freezes, and eventually the entire system freezes.
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+ *
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+ * To work around this we do not allow msaa visauls by default and allow
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+ * the user to override this via NV30_MAX_MSAA.
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+ */
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+ screen->max_sample_count = debug_get_num_option("NV30_MAX_MSAA", 0);
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+ if (screen->max_sample_count > 4)
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+ screen->max_sample_count = 4;
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+
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pscreen = &screen->base.base;
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pscreen->destroy = nv30_screen_destroy;
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pscreen->get_param = nv30_screen_get_param;
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diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.h b/src/gallium/drivers/nouveau/nv30/nv30_screen.h
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index 7b17b88..df11233 100644
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--- a/src/gallium/drivers/nouveau/nv30/nv30_screen.h
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+++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.h
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@@ -38,6 +38,8 @@ struct nv30_screen {
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/*XXX: nvfx state */
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struct nouveau_heap *vp_exec_heap;
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struct nouveau_heap *vp_data_heap;
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+
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+ unsigned max_sample_count;
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};
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static INLINE struct nv30_screen *
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--
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2.4.3
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10
mesa.spec
10
mesa.spec
@ -52,7 +52,7 @@
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Summary: Mesa graphics libraries
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Name: mesa
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Version: 10.4.7
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Release: 1.%{git}%{?dist}
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Release: 2.%{git}%{?dist}
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License: MIT
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Group: System Environment/Libraries
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URL: http://www.mesa3d.org
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@ -78,6 +78,9 @@ Patch30: mesa-10.3-bigendian-assert.patch
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# https://bugs.freedesktop.org/show_bug.cgi?id=73512
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Patch99: 0001-opencl-use-versioned-.so-in-mesa.icd.patch
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# upstream fix for msaa issues on nv3x/nv4x
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Patch100: 0001-nv30-Disable-msaa-unless-requested-from-the-env-by-N.patch
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BuildRequires: pkgconfig autoconf automake libtool
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%if %{with_hardware}
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BuildRequires: kernel-headers
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@ -364,6 +367,8 @@ grep -q ^/ src/gallium/auxiliary/vl/vl_decoder.c && exit 1
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%patch99 -p1 -b .icd
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%endif
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%patch100 -p1
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%if 0%{with_private_llvm}
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sed -i 's/llvm-config/mesa-private-llvm-config-%{__isa_bits}/g' configure.ac
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sed -i 's/`$LLVM_CONFIG --version`/&-mesa/' configure.ac
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@ -704,6 +709,9 @@ rm -rf $RPM_BUILD_ROOT
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# Generate changelog using:
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# git log old_commit_sha..new_commit_sha --format="- %H: %s (%an)"
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%changelog
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* Fri Sep 11 2015 Hans de Goede <hdegoede@redhat.com> - 10.4.7-2.20150323
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- Add a patch from upstream master to disable msaa on nv3x/nv4x (#1008089)
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* Mon Mar 23 2015 Igor Gnatenko <i.gnatenko.brain@gmail.com> - 10.4.7-1.20150323
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- 10.4.7
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