From 93401e3c8ca06f0c61cd2bc9e9b71fae3fc074cd Mon Sep 17 00:00:00 2001 From: David Yat Sin Date: Fri, 4 Aug 2023 13:44:01 +0000 Subject: [PATCH] Revert "Adding documentation for SDMA environment var" This reverts commit a7ffddb265cfb451e22cf9068dc4010e2f88d56f. Replaced by commit 3b3f14c06e8a2fab717f0b82aba3c72d74bb9574. Environment variables documented in:docs/environment_variables.md Change-Id: I8da0d971eb98554b4bd1b884617a439f1b20ed5b --- runtime/hsa-runtime/README.md | 20 -------------------- 1 file changed, 20 deletions(-) diff --git a/runtime/hsa-runtime/README.md b/runtime/hsa-runtime/README.md index 0ba67b07da..148caf2431 100644 --- a/runtime/hsa-runtime/README.md +++ b/runtime/hsa-runtime/README.md @@ -214,26 +214,6 @@ which implement HSA functionality for ROCm supported devices. * `hsa_system_get_extension_table` is not implemented for `HSA_EXTENSION_AMD_PROFILER`. -## Environment Variables - -### HSA_ENABLE_SDMA -Possible values: -* 0:Disabled -* 1:Enabled (Default Value) - -This will enable or disable the use of DMA engines in all copy directions (Host-to-Device, Device-to-Host, Device-to-Device) when using the following APIs: -`hsa_memory_copy`, `hsa_amd_memory_fill`, `hsa_amd_memory_async_copy`, `hsa_amd_memory_async_copy_on_engine` - -### HSA_ENABLE_PEER_SDMA -Possible values: -* 0:Disabled -* 1:Enabled (Default Value) - -This will enable or disable the use of DMA engines for Device-to-Device copies when using the following APIs: -`hsa_memory_copy`, `hsa_amd_memory_async_copy`, `hsa_amd_memory_async_copy_on_engine` - -The value of `HSA_ENABLE_PEER_SDMA` is ignored if `HSA_ENABLE_SDMA` is used to disable the use of DMA engines. - ## Disclaimer The information contained herein is for informational purposes only, and is