Create PR https://github.com/tianocore/edk2/pull/1728 for it.
This patch has been reviewed by Ray Ni. Thanks Liming > -----邮件原件----- > 发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 Sumana > Venur > 发送时间: 2021年6月12日 1:02 > 收件人: Ni, Ray <ray...@intel.com>; Wu, Hao A <hao.a...@intel.com> > 抄送: devel@edk2.groups.io > 主题: Re: [edk2-devel] [PATCH] MdeModulePkg/Bus/Pci/PciBusDxe: Increase > the width of the data read during oprom shadow > > Hello Maintainers > > This patch is for MdeModulePkg/Bus. Please review and help with merging to > master > It was sent a few months ago, might have been reviewed already. But due to > CI failures and low importance it was lost. > > Gerrit link - https://git-amr-7.devtools.intel.com/gerrit/#/c/117842/ > > Thanks > Sumana > > -----Original Message----- > From: Venur, Sumana <sumana.ve...@intel.com> > Sent: Friday, June 11, 2021 9:38 AM > To: devel@edk2.groups.io > Cc: Venur, Sumana <sumana.ve...@intel.com> > Subject: [PATCH] MdeModulePkg/Bus/Pci/PciBusDxe: Increase the width of > the data read during oprom shadow > > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2989 > > Long times spent on shadowing oprom from graphics card to system memory. > We are currently using 8 bit read cycles. > This needs to be wider, at least 32bit reads to reduce the time for oprom > shadow > > Signed-off-by: Sumana Venur <sumana.ve...@intel.com> > --- > MdeModulePkg/Bus/Pci/PciBusDxe/PciOptionRomSupport.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciOptionRomSupport.c > b/MdeModulePkg/Bus/Pci/PciBusDxe/PciOptionRomSupport.c > index c994ed5fe3..a981f93f43 100644 > --- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciOptionRomSupport.c > +++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciOptionRomSupport.c > @@ -521,9 +521,9 @@ LoadOpRomImage ( > // > PciDevice->PciRootBridgeIo->Mem.Read ( > PciDevice->PciRootBridgeIo, > - EfiPciWidthUint8, > + EfiPciWidthUint32, > RomBar, > - (UINT32) RomImageSize, > + (UINT32) > RomImageSize/sizeof(UINT32), > Image > ); > RomInMemory = Image; > -- > 2.16.2.windows.1 > > > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#76631): https://edk2.groups.io/g/devel/message/76631 Mute This Topic: https://groups.io/mt/83595650/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
