Files
linux-nvgpu/drivers/gpu/nvgpu/os/linux
Debarshi Dutta 1bf9309f17 gpu: nvgpu: update dma_mask based on H/W compatibility
To be able to access the full physical memory range, gpu's dma_mask
needs to be set to the max value of H/W compatible range.

For example. In order to support from 2GB to 66 GB, GV11B's dma_mask
needs to be atleast 37 bits. Set GV11B's dma_mask to 38 bit
and T23X's dma_mask to 39 bit. These values are supported by H/W

Bug 3656729

Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Change-Id: Icfff3c36a8c9cf074a254fa773c42e18020ae5de
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2723640
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: Brad Griffis <bgriffis@nvidia.com>
2022-06-04 08:29:56 -07:00
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