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dm: update the GPU OpRegion size to 20KB 

The address of OpRegion is not 4KB aligned,
if the OpRegion + extended VBT size is 16KB,
then it will take up to 5 physical pages in host.
So update the OpRegion size to 20KB
to expose the whole OpRegion to guest.

Tracked-On: #6270

Signed-off-by: Liu,Junming <junming.liu@intel.com>
Acked-by: Wang, Yu1 <yu1.wang@intel.com>
This commit is contained in:
Liu,Junming 2021-08-12 10:57:18 +00:00 committed by wenlingz
parent 2e7491a8ec
commit a83d880f11
1 changed files with 1 additions and 1 deletions
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2
devicemodel/include/pci_core.h
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@ -292,7 +292,7 @@ void destory_mmio_rsvd_rgns(struct pci_vdev *vdev);
*/
#define GPU_DSM_GPA 0x7C000000
#define GPU_DSM_SIZE 0x4000000
#define GPU_OPREGION_SIZE 0x4000
#define GPU_OPREGION_SIZE 0x5000
/*
* TODO: Forced DSM/OPREGION size requires native BIOS configuration.
* This limitation need remove in future