* Tue Nov 26 2024 Miroslav Rezanina <mrezanin@redhat.com> - 1.16.3-3
- seabios-pciinit-don-t-misalign-large-BARs.patch [RHEL-67846] - Resolves: RHEL-67846 (amdgpu failed to initialize when multiple AMD MI210 GPUs assigned and firmware is seabios [rhel-9])
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seabios-pciinit-don-t-misalign-large-BARs.patch
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seabios-pciinit-don-t-misalign-large-BARs.patch
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From 7d2072de0bcaadc13a6d1e054fa075d64fffc904 Mon Sep 17 00:00:00 2001
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From: Daniil Tatianin <d-tatianin@yandex-team.ru>
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Date: Thu, 11 Apr 2024 22:51:35 +0300
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Subject: [PATCH] pciinit: don't misalign large BARs
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Gerd Hoffmann <kraxel@redhat.com>
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RH-MergeRequest: 7: pciinit: don't misalign large BARs
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RH-Jira: RHEL-67846
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RH-Acked-by: Oliver Steffen <osteffen@redhat.com>
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RH-Acked-by: Stefano Garzarella <sgarzare@redhat.com>
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RH-Commit: [1/1] a6bce3cb0308b7d07804c5563160bfd9478c5d1f (kraxel.rh/centos-src-seabios)
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Previously we would unconditionally lower the alignment for large BARs
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in case their alignment was greater than "pci_mem64_top >> 11", this
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would make it impossible to use these devices by the kernel:
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[ 13.821108] pci 0000:9c:00.0: can't claim BAR 1 [mem 0x66000000000-0x67fffffffff 64bit pref]: no compatible bridge window
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[ 13.823492] pci 0000:9d:00.0: can't claim BAR 1 [mem 0x64000000000-0x65fffffffff 64bit pref]: no compatible bridge window
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[ 13.824218] pci 0000:9e:00.0: can't claim BAR 1 [mem 0x62000000000-0x63fffffffff 64bit pref]: no compatible bridge window
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[ 13.828322] pci 0000:8a:00.0: can't claim BAR 1 [mem 0x6e000000000-0x6ffffffffff 64bit pref]: no compatible bridge window
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[ 13.830691] pci 0000:8b:00.0: can't claim BAR 1 [mem 0x6c000000000-0x6dfffffffff 64bit pref]: no compatible bridge window
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[ 13.832218] pci 0000:8c:00.0: can't claim BAR 1 [mem 0x6a000000000-0x6bfffffffff 64bit pref]: no compatible bridge window
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Fix it by only overwriting the alignment in case it's actually greater
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than the desired by the BAR window.
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Fixes: 96a8d130a8c ("be less conservative with the 64bit pci io window")
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Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
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Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
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Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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(cherry picked from commit e5f2e4c69643bc3cd385306a9e5d29e11578148c)
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Resolves: RHEL-67846
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---
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src/fw/pciinit.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/src/fw/pciinit.c b/src/fw/pciinit.c
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index 6b13cd5b..bb44dc29 100644
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--- a/src/fw/pciinit.c
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+++ b/src/fw/pciinit.c
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@@ -970,9 +970,11 @@ static int pci_bios_check_devices(struct pci_bus *busses)
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int resource_optional = 0;
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if (hotplug_support == HOTPLUG_PCIE)
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resource_optional = pcie_cap && (type == PCI_REGION_TYPE_IO);
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+
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+ u64 top_align = pci_mem64_top >> 11;
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if (hotplug_support && pci_pad_mem64 && is64
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- && (type == PCI_REGION_TYPE_PREFMEM))
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- align = pci_mem64_top >> 11;
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+ && (type == PCI_REGION_TYPE_PREFMEM) && (top_align > align))
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+ align = top_align;
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if (align > sum && hotplug_support && !resource_optional)
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sum = align; /* reserve min size for hot-plug */
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if (size > sum) {
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--
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2.39.3
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@ -1,6 +1,6 @@
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Name: seabios
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Version: 1.16.3
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Release: 2%{?dist}
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Release: 3%{?dist}
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Summary: Open-source legacy BIOS implementation
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License: LGPLv3
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@ -19,6 +19,8 @@ Source21: config.vga-bochs-display
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Patch1: seabios-add-hwerr_printf-function-for-threads.patch
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# For RHEL-7110 - [seabios] Can't boot from a disk with 4K sector size
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Patch2: seabios-display-error-message-for-blocksizes-512.patch
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# For RHEL-67846 - amdgpu failed to initialize when multiple AMD MI210 GPUs assigned and firmware is seabios [rhel-9]
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Patch3: seabios-pciinit-don-t-misalign-large-BARs.patch
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BuildRequires: make
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BuildRequires: gcc
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@ -135,6 +137,11 @@ install -m 0644 binaries/vgabios*.bin $RPM_BUILD_ROOT%{_datadir}/seavgabios
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%{_datadir}/seavgabios/vgabios*.bin
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%changelog
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* Tue Nov 26 2024 Miroslav Rezanina <mrezanin@redhat.com> - 1.16.3-3
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- seabios-pciinit-don-t-misalign-large-BARs.patch [RHEL-67846]
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- Resolves: RHEL-67846
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(amdgpu failed to initialize when multiple AMD MI210 GPUs assigned and firmware is seabios [rhel-9])
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* Wed Jan 10 2024 Miroslav Rezanina <mrezanin@redhat.com> - 1.16.3-2
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- seabios-add-hwerr_printf-function-for-threads.patch [RHEL-7110]
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- seabios-display-error-message-for-blocksizes-512.patch [RHEL-7110]
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