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clear mmio in some cases

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Signed-off-by: Slice <sergey.slice@gmail.com>
This commit is contained in:
Slice 2024-02-24 21:05:23 +03:00
parent 159aa8d335
commit aadc641651
1 changed files with 1 additions and 1 deletions
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2
rEFIt_UEFI/Platform/Settings.cpp
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@ -691,7 +691,7 @@ SetDevices (LOADER_ENTRY *Entry)
if (gSettings.Graphics.RadeonDeInit) {
for (j = 0; j < gConf.GfxPropertiesArrayNonConst.size(); j++) {
if (gConf.GfxPropertiesArrayNonConst[j].Handle == PCIdevice.DeviceHandle) {
SetMem((void*)gConf.GfxPropertiesArrayNonConst[j].Mmio, 100, 0);
SetMem((void*)(gConf.GfxPropertiesArrayNonConst[j].Mmio + 0x6800), 0x800, 0);
*(UINT32*)(gConf.GfxPropertiesArrayNonConst[j].Mmio + 0x6848) = 0; //EVERGREEN_GRPH_FLIP_CONTROL, 1<<0 SURFACE_UPDATE_H_RETRACE_EN
*(UINT32*)(gConf.GfxPropertiesArrayNonConst[j].Mmio + 0x681C) = 0; //EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH
*(UINT32*)(gConf.GfxPropertiesArrayNonConst[j].Mmio + 0x6820) = 0; //EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH