linux.git/drivers/gpu/drm/amd/amdgpu/tonga_ih.c, branch v4.20 Linux kernel source tree drm/amdgpu: move more defines into amdgpu_irq.h 2018-09-27T02:09:22+00:00 Christian König christian.koenig@amd.com 2018-09-17T13:29:28+00:00 1ffdeca64856e0149e7fb341617f47cb038df543 Everything that isn't related to the IH ring. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Everything that isn't related to the IH ring.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: cleanup amdgpu_ih.c 2018-09-27T02:09:21+00:00 Christian König christian.koenig@amd.com 2018-09-16T18:13:21+00:00 425c31437f26436e17bdb3041a26e9864d18ba13 Cleanup amdgpu_ih.c to be able to handle multiple interrupt rings. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Cleanup amdgpu_ih.c to be able to handle multiple interrupt rings.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: make function pointers mandatory 2018-09-27T02:09:21+00:00 Christian König christian.koenig@amd.com 2018-09-17T13:41:45+00:00 f54b30d70bc606f7a154edba5883c7fa23838e9f We always want those to be setup correctly. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
We always want those to be setup correctly.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: use the TTM dummy page instead of allocating one 2018-02-27T04:09:36+00:00 Christian König christian.koenig@amd.com 2018-02-22T07:35:11+00:00 92e71b0676447fff40c1e747b2585a9d11c5fca2 We have a global dummy page in TTM, use that one instead of allocating a new one. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
We have a global dummy page in TTM, use that one instead of allocating a
new one.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: rename pas_id to pasid 2018-02-19T19:17:41+00:00 Christian König christian.koenig@amd.com 2018-01-09T18:47:37+00:00 3816e42f5f5ec6b96634b8ede3eaa77dbe4574fd sed -i "s/pas_id/pasid/g" drivers/gpu/drm/amd/amdgpu/*.c sed -i "s/pas_id/pasid/g" drivers/gpu/drm/amd/amdgpu/*.h Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
sed -i "s/pas_id/pasid/g" drivers/gpu/drm/amd/amdgpu/*.c
sed -i "s/pas_id/pasid/g" drivers/gpu/drm/amd/amdgpu/*.h

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: rename vm_id to vmid 2017-12-27T16:34:02+00:00 Christian König christian.koenig@amd.com 2017-12-18T16:08:25+00:00 c4f46f22c448ff571eb8fdbe4ab71a25805228d1 sed -i "s/vm_id/vmid/g" drivers/gpu/drm/amd/amdgpu/*.c sed -i "s/vm_id/vmid/g" drivers/gpu/drm/amd/amdgpu/*.h Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
sed -i "s/vm_id/vmid/g" drivers/gpu/drm/amd/amdgpu/*.c
sed -i "s/vm_id/vmid/g" drivers/gpu/drm/amd/amdgpu/*.h

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Handle GPUVM fault storms 2017-09-28T20:03:30+00:00 Felix Kuehling Felix.Kuehling@amd.com 2017-09-21T20:26:41+00:00 c98171ccf6580407d07a3b5dc8188ce9e1f4f7ca When many wavefronts cause VM faults at the same time, it can overwhelm the interrupt handler and cause IH ring overflows before the driver can notify or kill the faulting application. As a workaround I'm introducing limited per-VM fault credit. After that number of VM faults have occurred, further VM faults are filtered out at the prescreen stage of processing. This depends on the PASID in the interrupt packet, so it currently only works for KFD contexts. Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
When many wavefronts cause VM faults at the same time, it can
overwhelm the interrupt handler and cause IH ring overflows before
the driver can notify or kill the faulting application.

As a workaround I'm introducing limited per-VM fault credit. After
that number of VM faults have occurred, further VM faults are
filtered out at the prescreen stage of processing.

This depends on the PASID in the interrupt packet, so it currently
only works for KFD contexts.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Add prescreening stage in IH processing (v2) 2017-09-26T17:07:04+00:00 Felix Kuehling Felix.Kuehling@amd.com 2017-08-26T06:40:45+00:00 00ecd8a27c03b6dd463ab8755dd6d58751d76297 To filter out high-frequency interrupts that can be safely ignored. v2: squash in trivial typo fix for si (Alex) Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
To filter out high-frequency interrupts that can be safely ignored.

v2: squash in trivial typo fix for si (Alex)

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd: fix include notation and remove -Iinclude/drm flag 2017-05-16T15:17:41+00:00 Masahiro Yamada yamada.masahiro@socionext.com 2017-04-24T04:50:21+00:00 248a1d6f1ac410d3ed3907c1be2502e286f59bb8 Include <drm/*.h> instead of relative path from include/drm, then remove the -Iinclude/drm compiler flag. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1493009447-31524-4-git-send-email-yamada.masahiro@socionext.com 
Include <drm/*.h> instead of relative path from include/drm, then
remove the -Iinclude/drm compiler flag.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1493009447-31524-4-git-send-email-yamada.masahiro@socionext.com
drm/amdgpu: increase IH ring buffer size to avoid overflow 2017-03-30T03:53:53+00:00 Roger.He Hongbo.He@amd.com 2017-03-14T08:47:30+00:00 8fb6e528c399e54e5e2621d71a1037ab8ed89478 We originally limited the IH to 4k on tonga since it uses bus addresses directly rather than GPU MC addresses, so it needs contigous physical memory. This brings it inline with other asics. Signed-off-by: Roger.He <Hongbo.He@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
We originally limited the IH to 4k on tonga since it
uses bus addresses directly rather than GPU MC addresses,
so it needs contigous physical memory.  This brings it
inline with other asics.

Signed-off-by: Roger.He <Hongbo.He@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>