Konsta Holtta b0dee2f26c gpu: nvgpu: don't run cde shader for 0 ctaglines ...

If the associated buffer is not compressed, it would be invalid to call
the cde swizzler shader with zero lines. The fences in
PREPARE_COMPRESSIBLE_READ still need to be managed, so just do a dummy
submit with zero entries when lines is zero for the buffer.

Bug 1856088

Change-Id: Ia68c2ffff21e5e8077d5c550b0ca44090f88bf80
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1590055
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2017-11-22 09:49:30 -08:00

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