kernel/linux.git/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c, branch v6.6.132

drm/amdgpu: Fix ENOSYS means 'invalid syscall nr' in amdgpu_device.c

2023-07-27T18:59:29+00:00

ENOSYS should be used for nonexistent syscalls only, replace ENOSYS with EOPNOTSUPP for reset handlers that are not implemented for respective ASIC. WARNING: ENOSYS means 'invalid syscall nr' and nothing else + if (r == -ENOSYS) WARNING: ENOSYS means 'invalid syscall nr' and nothing else + if (r == -ENOSYS) And other following style fixes in amdgpu_device.c: WARNING: Symbolic permissions 'S_IRUGO' are not preferred. Consider using octal permissions '0444'. WARNING: Block comments should align the * on each line WARNING: Missing a blank line after declarations WARNING: braces {} are not necessary for single statement blocks Cc: Lijo Lazar Cc: Kent Russell Cc: Christian König Cc: Alex Deucher Signed-off-by: Srinivasan Shanmugam Reviewed-by: Guchun Chen Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher

drm/amdgpu: Add mode2 reset logic for v13.0.6

2023-06-09T13:42:20+00:00

Mode2 reset for v13.0.6 has similar workflow as v13.0.2 Signed-off-by: Lijo Lazar Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher

drm/amd/amdgpu: implement mode2 reset on smu_v13_0_10

2023-02-14T20:47:15+00:00

implement mode2 reset on smu_v13_0_10 Signed-off-by: Kenneth Feng Reviewed-by: Evan Quan Signed-off-by: Alex Deucher

Revert "drm/amdgpu: let mode2 reset fallback to default when failure"

2022-10-19T02:08:33+00:00

This reverts commit dac6b80818ac2353631c5a33d140d8d5508e2957. This commit reverted the AMDGPU_SKIP_MODE2_RESET as it conflicts with the original design of reset handler. Will redesign it. Fixes: dac6b80818ac23 ("drm/amdgpu: let mode2 reset fallback to default when failure") Signed-off-by: Victor Zhao Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher

Revert "drm/amdgpu: add debugfs amdgpu_reset_level"

2022-10-19T02:08:25+00:00

This reverts commit 5bd8d53f6fa53eab5433698d1362dae2aa53c1cc. This commit breaks the reset logic for aldebaran, revert it for now. Will move the mask inside the reset handler. Fixes: 5bd8d53f6fa53e ("drm/amdgpu: add debugfs amdgpu_reset_level") Signed-off-by: Victor Zhao Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher

drm/amdgpu: add debugfs amdgpu_reset_level

2022-08-16T22:14:31+00:00

Introduce amdgpu_reset_level debugfs in order to help debug and test specific type of reset. Also helps blocking unwanted type of resets. By default, mode2 reset will not be enabled v2: make this debugfs in adev and use debugfs_create_u32 Signed-off-by: Victor Zhao Acked-by: Andrey Grodzovsky Signed-off-by: Alex Deucher

drm/amdgpu: let mode2 reset fallback to default when failure

2022-08-16T22:14:31+00:00

- introduce AMDGPU_SKIP_MODE2_RESET flag - let mode2 reset fallback to default reset method if failed v2: move this part out from the asic specific part Signed-off-by: Victor Zhao Acked-by: Andrey Grodzovsky Signed-off-by: Alex Deucher

drm/amdgpu: add mode2 reset for sienna_cichlid

2022-08-16T22:14:31+00:00

To meet the requirement for multi container usecase which needs a quicker reset and not causing VRAM lost, adding the Mode2 reset handler for sienna_cichlid. v2: move skip mode2 flag part separately v3: remove the use of asic_reset_res Signed-off-by: Victor Zhao Acked-by: Andrey Grodzovsky Signed-off-by: Alex Deucher

drm/amdgpu: Cache result of last reset at reset domain level.

2022-06-10T19:25:34+00:00

Will be read by executors of async reset like debugfs. Signed-off-by: Andrey Grodzovsky Reviewed-by: Christian König Signed-off-by: Alex Deucher

drm/amdgpu: Refactor mode2 reset logic for v13.0.2

2022-03-04T18:03:29+00:00

Use IP version and refactor reset logic to apply to a list of devices. Signed-off-by: Lijo Lazar Reviewed-by: Hawking Zhang Reviewed-by: Le Ma Signed-off-by: Alex Deucher