kernel/linux.git/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c, branch v6.10.7

drm/amdgpu: Add lock around VF RLCG interface

2024-08-14T13:34:14+00:00

[ Upstream commit e864180ee49b4d30e640fd1e1d852b86411420c9 ] flush_gpu_tlb may be called from another thread while device_gpu_recover is running. Both of these threads access registers through the VF RLCG interface during VF Full Access. Add a lock around this interface to prevent race conditions between these threads. Signed-off-by: Victor Skvortsov Reviewed-by: Zhigang Luo Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin

drm/amdgpu: Check if NBIO funcs are NULL in amdgpu_device_baco_exit

2024-08-03T06:59:50+00:00

[ Upstream commit 0cdb3f9740844b9d95ca413e3fcff11f81223ecf ] The special case for VM passthrough doesn't check adev->nbio.funcs before dereferencing it. If GPUs that don't have an NBIO block are passed through, this leads to a NULL pointer dereference on startup. Signed-off-by: Friedrich Vock Fixes: 1bece222eabe ("drm/amdgpu: Clear doorbell interrupt status for Sienna Cichlid") Cc: Alex Deucher Cc: Christian König Acked-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin

drm/amdgpu: Fix pci state save during mode-1 reset

2024-06-25T18:13:12+00:00

Cache the PCI state before bus master is disabled. The saved state is later used for other cases like restoring config space after mode-2 reset. Fixes: 5c03e5843e6b ("drm/amdgpu:add smu mode1/2 support for aldebaran") Signed-off-by: Lijo Lazar Reviewed-by: Feifei Xu Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher

drm/amdgpu: Adjust logic in amdgpu_device_partner_bandwidth()

2024-05-29T21:01:49+00:00

Use current speed/width on devices which don't support dynamic PCIe switching. Fixes: 466a7d115326 ("drm/amd: Use the first non-dGPU PCI device for BW limits") Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3289 Acked-by: Christian König Signed-off-by: Alex Deucher

drm/amdgpu: skip ip dump if devcoredump flag is set

2024-04-26T21:22:44+00:00

Do not dump the ip registers during driver reload in passthrough environment. Signed-off-by: Sunil Khatri Reviewed-by: Alex Deucher Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher

drm/amdgpu: add a spinlock to wb allocation

2024-04-26T21:22:40+00:00

As we use wb slots more dynamically, we need to lock access to avoid racing on allocation or free. Reviewed-by: Shaoyun.liu Signed-off-by: Alex Deucher

drm/amdgpu: dump ip state before reset for each ip

2024-04-26T21:22:39+00:00

Invoke the dump_ip_state function for each ip before the asic resets and save the register values for debugging via devcoredump. Signed-off-by: Sunil Khatri Reviewed-by: Alex Deucher Reviewed-by: Christian König Signed-off-by: Alex Deucher

drm/amdgpu: Skip the coredump collection on reset during driver reload

2024-04-19T03:46:45+00:00

In passthrough environment, the driver triggers the mode-1 reset on reload. The reset causes the core dump collection which is delayed task and prevents driver from unloading until it is completed. Since we do not need to collect data on "reset on reload" case, we can skip core dump collection. v2: Use the same flag to avoid calling amdgpu_reset_reg_dumps as well. Signed-off-by: Ahmad Rehman Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher

drm/amdgpu: refactoring the runtime pm mode detection code

2024-04-17T02:39:16+00:00

refactor the code of runtime pm mode detection to support amdgpu_runtime_pm =2 and 1 two cases Signed-off-by: Ma Jun Reviewed-by: Yang Wang Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher

drm/amdgpu: Add missing space to DRM_WARN() message

2024-04-17T02:39:15+00:00

s/,please/, please/ Reviewed-by: Alex Deucher Signed-off-by: Thorsten Blum Signed-off-by: Alex Deucher