kernel/linux.git/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.h, branch v6.6.132

drm/amdgpu: use scheduler dependencies for VM updates

2022-11-03T11:45:20+00:00

Instead of putting that into the job sync object. Signed-off-by: Christian König Reviewed-by: Luben Tuikov Link: https://patchwork.freedesktop.org/patch/msgid/20221014084641.128280-9-christian.koenig@amd.com

drm/amdgpu: rework TLB flushing

2022-03-25T16:40:51+00:00

Instead of tracking the VM updates through the dependencies just use a sequence counter for page table updates which indicates the need to flush the TLB. This reduces the need to flush the TLB drastically. v2: squash in NULL check fix (Christian) Signed-off-by: Christian König Acked-by: Felix Kuehling Signed-off-by: Alex Deucher

drm/amdgpu: simplify VM update tracking a bit

2022-03-25T16:40:26+00:00

Store the 64bit sequence directly. Makes it simpler to use and saves a bit of fence reference counting overhead. Signed-off-by: Christian König Acked-by: Felix Kuehling Signed-off-by: Alex Deucher

drm/amdgpu: remove distinction between explicit and implicit sync (v2)

2020-07-01T05:59:22+00:00

According to Marek a pipeline sync should be inserted for implicit syncs well. v2: bump the driver version Signed-off-by: Christian König Tested-by: Marek Olšák Signed-off-by: Marek Olšák Signed-off-by: Alex Deucher

drm/amdgpu: rework job synchronization v2

2020-02-05T04:30:39+00:00

For unlocked page table updates we need to be able to sync to fences of a specific VM. v2: use SYNC_ALWAYS in the UVD code Signed-off-by: Christian König Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher

drm/amdgpu: explicitely sync to VM updates v2

2019-12-09T22:02:07+00:00

Allows us to reduce the overhead while syncing to fences a bit. v2: also drop adev parameter from the functions Signed-off-by: Christian König Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher

dma-buf: rename reservation_object to dma_resv

2019-08-13T07:09:30+00:00

Be more consistent with the naming of the other DMA-buf objects. Signed-off-by: Christian König Reviewed-by: Chris Wilson Link: https://patchwork.freedesktop.org/patch/323401/

drm/amdgpu: add amdgpu_sync_clone

2018-02-07T01:32:37+00:00

Cloning a sync object is useful for waiting for a sync object without locking the original structure indefinitely, blocking other threads. Signed-off-by: Felix Kuehling Acked-by: Oded Gabbay Signed-off-by: Oded Gabbay

drm/amdgpu: Get rid of dep_sync as a seperate object.

2017-12-06T17:48:31+00:00

Instead mark fence as explicit in it's amdgpu_sync_entry. v2: Fix use after free bug and add new parameter description. Signed-off-by: Andrey Grodzovsky Reviewed-by: Christian König Signed-off-by: Alex Deucher

drm/amdgpu: introduce AMDGPU_GEM_CREATE_EXPLICIT_SYNC v2

2017-10-09T20:30:19+00:00

Introduce a flag to signal that access to a BO will be synchronized through an external mechanism. Currently all buffers shared between contexts are subject to implicit synchronization. However, this is only required for protocols that currently don't support an explicit synchronization mechanism (DRI2/3). This patch introduces the AMDGPU_GEM_CREATE_EXPLICIT_SYNC, so that users can specify when it is safe to disable implicit sync. v2: only disable explicit sync in amdgpu_cs_ioctl Reviewed-by: Christian König Signed-off-by: Andres Rodriguez Signed-off-by: Alex Deucher