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path: root/drivers/gpu/drm/amd/amdgpu/umsch_mm_v4_0.h
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2023-08-31drm/amdgpu: add initial support for UMSCHLang Yu1-0/+30
Add basic data structure, dummy ring functions and ip functions for UMSCH. Implement sw_init(ring_init and init_microcodede) and hw_init(load_microcode), UMSCH can boot up now. Implement hw_init(ring_start) and hw_fini(ring_stop), UMSCH is ready for command submission now. Implement set_hw_resources and add/remove_queue, UMSCH is ready for scheduling now. Aggregated doorbell is used to notify UMSCH FW that there is unmapped queue with corresponding priority level (e.g., AGDB[0] for Real time band, etc.) is updating its job. v2: squash together initial patches to avoid breaking the build (Alex) Signed-off-by: Lang Yu <Lang.Yu@amd.com> Reviewed-by: Leo Liu <leo.liu@amd.com> Reviewed-by: Veerabadhran Gopalakrishnan <Veerabadhran.Gopalakrishnan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>