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drm/amdgpu: Use correct KIQ MEC engine for gfx9.4.3 (v5)

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amdgpu_kiq_wreg/rreg is hardcoded to use MEC engine 0.

Add an xcc_id parameter to amdgpu_kiq_wreg/rreg, define W/RREG32_XCC
and amdgpu_device_xcc_wreg/rreg to use the new xcc_id parameter.

Using amdgpu_sriov_runtime to determine whether to access via kiq or
RLC is sufficient for now.

v5: add condition in amdgpu_device_xcc_w/rreg, remove trace func call

v4: avoid using amdgpu_sriov_w/rreg

v3: use W/RREG32_XCC to handle non-kiq case

v2: define amdgpu_device_xcc_wreg/rreg instead of changing parameters
    of amdgpu_device_wreg/rreg

Signed-off-by: Victor Lu <victorchengchi.lu@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Victor Lu
2023-10-03 16:15:52 -04:00
committed by Alex Deucher
parent 76d2da18af
commit 85150626ea
9 changed files with 116 additions and 18 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
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@@ -943,7 +943,7 @@ void amdgpu_virt_update_sriov_video_codec(struct amdgpu_device *adev,
}
}
static bool amdgpu_virt_get_rlcg_reg_access_flag(struct amdgpu_device *adev,
bool amdgpu_virt_get_rlcg_reg_access_flag(struct amdgpu_device *adev,
u32 acc_flags, u32 hwip,
bool write, u32 *rlcg_flag)
{
@@ -976,7 +976,7 @@ static bool amdgpu_virt_get_rlcg_reg_access_flag(struct amdgpu_device *adev,
return ret;
}
static u32 amdgpu_virt_rlcg_reg_rw(struct amdgpu_device *adev, u32 offset, u32 v, u32 flag, u32 xcc_id)
u32 amdgpu_virt_rlcg_reg_rw(struct amdgpu_device *adev, u32 offset, u32 v, u32 flag, u32 xcc_id)
{
struct amdgpu_rlcg_reg_access_ctrl *reg_access_ctrl;
uint32_t timeout = 50000;