feat: enable AMD GPU peer-to-peer DMA

abckeyzhang · smira · commit a92bed5bdd0a · 2026-03-18T18:18:18.000+04:00
Set CONFIG_HSA_AMD_P2P=y and CONFIG_DMABUF_MOVE_NOTIFY=y in config-amd64 to support AMD GPU P2P DMA. Signed-off-by: Kai Zhang <kai.zhang@nokia.com> Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com> (cherry picked from commit 559b1be)
diff --git a/kernel/build/config-amd64 b/kernel/build/config-amd64
@@ -5026,6 +5026,7 @@ CONFIG_DRM_AMD_DC_FP=y
 
 CONFIG_HSA_AMD=y
 CONFIG_HSA_AMD_SVM=y
+CONFIG_HSA_AMD_P2P=y
 # CONFIG_DRM_NOUVEAU is not set
 CONFIG_DRM_I915=m
 CONFIG_DRM_I915_FORCE_PROBE=""
@@ -6053,7 +6054,7 @@ CONFIG_DMA_ENGINE_RAID=y
 CONFIG_SYNC_FILE=y
 # CONFIG_SW_SYNC is not set
 # CONFIG_UDMABUF is not set
-# CONFIG_DMABUF_MOVE_NOTIFY is not set
+CONFIG_DMABUF_MOVE_NOTIFY=y
 # CONFIG_DMABUF_DEBUG is not set
 # CONFIG_DMABUF_SELFTESTS is not set
 # CONFIG_DMABUF_HEAPS is not set
