Set different register access mode according to the features provided by firmware
Change-Id: Ia03e25a5a3b188f66363a0af487edfa21aafefc5 Signed-off-by: Trigger Huang <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++ drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 43 ++++++++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 12 +++++++++ drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c | 19 +++++++++++++ 4 files changed, 77 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 3ff8899..615e775 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1532,6 +1532,9 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) r = amdgpu_virt_request_full_gpu(adev, true); if (r) return -EAGAIN; + + /* query the reg access mode at the very beginning */ + amdgpu_virt_init_reg_access_mode(adev); } adev->pm.pp_feature = amdgpu_pp_feature_mask; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index 462a04e..b50b6c3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -375,4 +375,47 @@ void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev) } } +void amdgpu_virt_init_reg_access_mode(struct amdgpu_device *adev) +{ + struct amdgpu_virt *virt = &adev->virt; + if (virt->ops && virt->ops->init_reg_access_mode) + virt->ops->init_reg_access_mode(adev); + +} + +bool amdgpu_virt_support_psp_prg_ih_reg(struct amdgpu_device *adev) +{ + bool ret = false; + struct amdgpu_virt *virt = &adev->virt; + + if (amdgpu_sriov_vf(adev) + && (virt->reg_access_mode & AMDGPU_VIRT_REG_ACCESS_PSP_PRG_IH)) + ret = true; + + return ret; +} + +bool amdgpu_virt_support_rlc_prg_reg(struct amdgpu_device *adev) +{ + bool ret = false; + struct amdgpu_virt *virt = &adev->virt; + + if (amdgpu_sriov_vf(adev) + && (virt->reg_access_mode & AMDGPU_VIRT_REG_ACCESS_RLC)) + ret = true; + + return ret; +} + +bool amdgpu_virt_support_skip_setting(struct amdgpu_device *adev) +{ + bool ret = false; + struct amdgpu_virt *virt = &adev->virt; + + if (amdgpu_sriov_vf(adev) + && (virt->reg_access_mode & AMDGPU_VIRT_REG_SKIP_SEETING)) + ret = true; + + return ret; +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h index 722deef..eb4cb1b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h @@ -48,6 +48,12 @@ struct amdgpu_vf_error_buffer { uint64_t data[AMDGPU_VF_ERROR_ENTRY_SIZE]; }; +/* According to the fw feature, some new reg access modes are supported */ +#define AMDGPU_VIRT_REG_ACCESS_LEGACY (1 << 0) /* directly mmio */ +#define AMDGPU_VIRT_REG_ACCESS_PSP_PRG_IH (1 << 1) /* by PSP */ +#define AMDGPU_VIRT_REG_ACCESS_RLC (1 << 2) /* by RLC */ +#define AMDGPU_VIRT_REG_SKIP_SEETING (1 << 3) /* Skip setting reg */ + /** * struct amdgpu_virt_ops - amdgpu device virt operations */ @@ -57,6 +63,7 @@ struct amdgpu_virt_ops { int (*reset_gpu)(struct amdgpu_device *adev); int (*wait_reset)(struct amdgpu_device *adev); void (*trans_msg)(struct amdgpu_device *adev, u32 req, u32 data1, u32 data2, u32 data3); + void (*init_reg_access_mode)(struct amdgpu_device *adev); }; /* @@ -252,6 +259,7 @@ struct amdgpu_virt { struct amdgpu_vf_error_buffer vf_errors; struct amdgpu_virt_fw_reserve fw_reserve; uint32_t gim_feature; + uint32_t reg_access_mode; }; #define amdgpu_sriov_enabled(adev) \ @@ -295,5 +303,9 @@ int amdgpu_virt_fw_reserve_get_checksum(void *obj, unsigned long obj_size, unsigned int key, unsigned int chksum); void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev); +void amdgpu_virt_init_reg_access_mode(struct amdgpu_device *adev); +bool amdgpu_virt_support_psp_prg_ih_reg(struct amdgpu_device *adev); +bool amdgpu_virt_support_rlc_prg_reg(struct amdgpu_device *adev); +bool amdgpu_virt_support_skip_setting(struct amdgpu_device *adev); #endif diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c index 73851eb..f548e22 100644 --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c @@ -26,6 +26,7 @@ #include "nbio/nbio_6_1_sh_mask.h" #include "gc/gc_9_0_offset.h" #include "gc/gc_9_0_sh_mask.h" +#include "mp/mp_9_0_offset.h" #include "soc15.h" #include "vega10_ih.h" #include "soc15_common.h" @@ -369,10 +370,28 @@ void xgpu_ai_mailbox_put_irq(struct amdgpu_device *adev) amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0); } +static void xgpu_ai_init_reg_access_mode(struct amdgpu_device *adev) +{ + uint32_t rlc_fw_ver = RREG32_SOC15(GC, 0, mmRLC_GPM_GENERAL_6); + uint32_t sos_fw_ver = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58); + + adev->virt.reg_access_mode = AMDGPU_VIRT_REG_ACCESS_LEGACY; + + if (rlc_fw_ver >= 0x5d) + adev->virt.reg_access_mode |= AMDGPU_VIRT_REG_ACCESS_RLC; + + if (sos_fw_ver >= 0x80455) + adev->virt.reg_access_mode |= AMDGPU_VIRT_REG_ACCESS_PSP_PRG_IH; + + if (sos_fw_ver >= 0x8045b) + adev->virt.reg_access_mode |= AMDGPU_VIRT_REG_SKIP_SEETING; +} + const struct amdgpu_virt_ops xgpu_ai_virt_ops = { .req_full_gpu = xgpu_ai_request_full_gpu_access, .rel_full_gpu = xgpu_ai_release_full_gpu_access, .reset_gpu = xgpu_ai_request_reset, .wait_reset = NULL, .trans_msg = xgpu_ai_mailbox_trans_msg, + .init_reg_access_mode = xgpu_ai_init_reg_access_mode, }; -- 2.7.4 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
