Date: Mon, 17 Dec 2018 07:09:46 +0000 (UTC) From: Greg Lehey <grog@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r342160 - head/sys/dev/pci Message-ID: <201812170709.wBH79kkG043196@repo.freebsd.org>
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Author: grog Date: Mon Dec 17 07:09:46 2018 New Revision: 342160 URL: https://svnweb.freebsd.org/changeset/base/342160 Log: Work around BIOS quirks on HPE Proliant MicroServer Gen10 PR: 221350 Submitted by: Bob Bishop Reported by: Rafal Lukawiecki Reviewed by: jhb MFC after: 2 weeks Modified: head/sys/dev/pci/pci.c Modified: head/sys/dev/pci/pci.c ============================================================================== --- head/sys/dev/pci/pci.c Mon Dec 17 07:03:36 2018 (r342159) +++ head/sys/dev/pci/pci.c Mon Dec 17 07:09:46 2018 (r342160) @@ -230,6 +230,7 @@ struct pci_quirk { #define PCI_QUIRK_UNMAP_REG 4 /* Ignore PCI map register */ #define PCI_QUIRK_DISABLE_MSIX 5 /* MSI-X doesn't work */ #define PCI_QUIRK_MSI_INTX_BUG 6 /* PCIM_CMD_INTxDIS disables MSI */ +#define PCI_QUIRK_REALLOC_BAR 7 /* Can't allocate memory at the default address */ int arg1; int arg2; }; @@ -311,6 +312,12 @@ static const struct pci_quirk pci_quirks[] = { { 0x167814e4, PCI_QUIRK_MSI_INTX_BUG, 0, 0 }, /* BCM5715 */ { 0x167914e4, PCI_QUIRK_MSI_INTX_BUG, 0, 0 }, /* BCM5715S */ + /* + * HPE Gen 10 VGA has a memory range that can't be allocated in the + * expected place. + */ + { 0x98741002, PCI_QUIRK_REALLOC_BAR, 0, 0 }, + { 0 } }; @@ -3283,7 +3290,9 @@ pci_add_map(device_t bus, device_t dev, int reg, struc */ res = resource_list_reserve(rl, bus, dev, type, ®, start, end, count, flags); - if (pci_do_realloc_bars && res == NULL && (start != 0 || end != ~0)) { + if ((pci_do_realloc_bars + || pci_has_quirk(pci_get_devid(dev), PCI_QUIRK_REALLOC_BAR)) + && res == NULL && (start != 0 || end != ~0)) { /* * If the allocation fails, try to allocate a resource for * this BAR using any available range. The firmware felt
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