From 4d675e1eb863596811f005802116a3c4afbfa95a Mon Sep 17 00:00:00 2001 From: Rohit Khaire Date: Mon, 29 Mar 2021 15:40:13 -0400 Subject: drm/amdgpu: Add new PF2VF flags for VF register access method Add 3 sub flags to notify guest for indirect reg access of gc, mmhub and ih The host sets these flags depending on L1 RAP version, asic and other scenarios. These flags ensure that there is compatibility between different guest/host/vbios versions. Signed-off-by: Rohit Khaire Reviewed-by: Monk Liu Acked-by: Alex Deucher Acked-by: Luben Tuikov Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h index 8dd624c20f89..097af4d3b6b1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h @@ -104,6 +104,17 @@ enum AMDGIM_FEATURE_FLAG { AMDGIM_FEATURE_GIM_MM_BW_MGR = 0x8, /* PP ONE VF MODE in GIM */ AMDGIM_FEATURE_PP_ONE_VF = (1 << 4), + /* Indirect Reg Access enabled */ + AMDGIM_FEATURE_INDIRECT_REG_ACCESS = (1 << 5), +}; + +enum AMDGIM_REG_ACCESS_FLAG { + /* Use PSP to program IH_RB_CNTL */ + AMDGIM_FEATURE_IH_REG_PSP_EN = (1 << 0), + /* Use RLC to program MMHUB regs */ + AMDGIM_FEATURE_RLC_MMHUB_EN = (1 << 1), + /* Use RLC to program GC regs */ + AMDGIM_FEATURE_RLC_GC_EN = (1 << 2), }; struct amdgim_pf2vf_info_v1 { -- cgit v1.2.3-70-g09d2 From 8b8a162da820d48bb94261ae4684f2c839ce148c Mon Sep 17 00:00:00 2001 From: Peng Ju Zhou Date: Wed, 31 Mar 2021 11:19:02 +0800 Subject: drm/amdgpu: indirect register access for nv12 sriov unify host driver and guest driver indirect access control bits names Signed-off-by: Peng Ju Zhou Reviewed-by: Emily.Deng Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h index 097af4d3b6b1..3580a746ad9a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h @@ -110,11 +110,11 @@ enum AMDGIM_FEATURE_FLAG { enum AMDGIM_REG_ACCESS_FLAG { /* Use PSP to program IH_RB_CNTL */ - AMDGIM_FEATURE_IH_REG_PSP_EN = (1 << 0), + AMDGIM_FEATURE_IH_REG_PSP_EN = (1 << 0), /* Use RLC to program MMHUB regs */ - AMDGIM_FEATURE_RLC_MMHUB_EN = (1 << 1), + AMDGIM_FEATURE_MMHUB_REG_RLC_EN = (1 << 1), /* Use RLC to program GC regs */ - AMDGIM_FEATURE_RLC_GC_EN = (1 << 2), + AMDGIM_FEATURE_GC_REG_RLC_EN = (1 << 2), }; struct amdgim_pf2vf_info_v1 { -- cgit v1.2.3-70-g09d2 From 5d23851029b78fb6d6d56a40300676d49a0ce609 Mon Sep 17 00:00:00 2001 From: Peng Ju Zhou Date: Tue, 30 Mar 2021 18:27:15 +0800 Subject: drm/amdgpu: indirect register access for nv12 sriov using the control bits got from host to control registers access. Signed-off-by: Peng Ju Zhou Reviewed-by: Emily.Deng Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 2 ++ drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 17 +++++++++++++++++ 2 files changed, 19 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index b62f134d6dd5..0c9c5255aa42 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -466,6 +466,8 @@ static int amdgpu_virt_read_pf2vf_data(struct amdgpu_device *adev) ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->vf2pf_update_interval_ms; adev->virt.gim_feature = ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->feature_flags.all; + adev->virt.reg_access = + ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->reg_access_flags.all; break; default: diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h index 3580a746ad9a..383d4bdc3fb5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h @@ -228,6 +228,7 @@ struct amdgpu_virt { bool tdr_debug; struct amdgpu_virt_ras_err_handler_data *virt_eh_data; bool ras_init_done; + uint32_t reg_access; /* vf2pf message */ struct delayed_work vf2pf_work; @@ -249,6 +250,22 @@ struct amdgpu_virt { #define amdgpu_sriov_fullaccess(adev) \ (amdgpu_sriov_vf((adev)) && !amdgpu_sriov_runtime((adev))) +#define amdgpu_sriov_reg_indirect_en(adev) \ +(amdgpu_sriov_vf((adev)) && \ + ((adev)->virt.gim_feature & (AMDGIM_FEATURE_INDIRECT_REG_ACCESS))) + +#define amdgpu_sriov_reg_indirect_ih(adev) \ +(amdgpu_sriov_vf((adev)) && \ + ((adev)->virt.reg_access & (AMDGIM_FEATURE_IH_REG_PSP_EN))) + +#define amdgpu_sriov_reg_indirect_mmhub(adev) \ +(amdgpu_sriov_vf((adev)) && \ + ((adev)->virt.reg_access & (AMDGIM_FEATURE_MMHUB_REG_RLC_EN))) + +#define amdgpu_sriov_reg_indirect_gc(adev) \ +(amdgpu_sriov_vf((adev)) && \ + ((adev)->virt.reg_access & (AMDGIM_FEATURE_GC_REG_RLC_EN))) + #define amdgpu_passthrough(adev) \ ((adev)->virt.caps & AMDGPU_PASSTHROUGH_MODE) -- cgit v1.2.3-70-g09d2