From: Monk Liu Date: Wed, 4 Mar 2020 15:46:45 +0000 (+0800) Subject: drm/amdgpu: use static mmio offset for NV mailbox X-Git-Tag: v5.10.7~2352^2~20^2~226 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ff1f03a7b8c4787faefdb44b189e39cbf4f7611c;p=platform%2Fkernel%2Flinux-rpi.git drm/amdgpu: use static mmio offset for NV mailbox what: with the new "req_init_data" handshake we need to use mailbox before do IP discovery, so in mxgpu_nv.c file the original SOC15_REG method won'twork because that depends on IP discovery complete first. how: so the solution is to always use static MMIO offset for NV+ mailbox registers. HW team confirm us all MAILBOX registers will be at the same offset for all ASICs, no IP discovery needed for those registers Signed-off-by: Monk Liu Reviewed-by: Emily Deng Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c index 6b9e390..ce2bf1f 100644 --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c @@ -52,8 +52,7 @@ static void xgpu_nv_mailbox_set_valid(struct amdgpu_device *adev, bool val) */ static enum idh_event xgpu_nv_mailbox_peek_msg(struct amdgpu_device *adev) { - return RREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, - mmBIF_BX_PF_MAILBOX_MSGBUF_RCV_DW0)); + return RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW0); } @@ -62,8 +61,7 @@ static int xgpu_nv_mailbox_rcv_msg(struct amdgpu_device *adev, { u32 reg; - reg = RREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, - mmBIF_BX_PF_MAILBOX_MSGBUF_RCV_DW0)); + reg = RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW0); if (reg != event) return -ENOENT; @@ -116,7 +114,6 @@ static int xgpu_nv_poll_msg(struct amdgpu_device *adev, enum idh_event event) static void xgpu_nv_mailbox_trans_msg (struct amdgpu_device *adev, enum idh_request req, u32 data1, u32 data2, u32 data3) { - u32 reg; int r; uint8_t trn; @@ -135,19 +132,10 @@ static void xgpu_nv_mailbox_trans_msg (struct amdgpu_device *adev, } } while (trn); - reg = RREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, - mmBIF_BX_PF_MAILBOX_MSGBUF_TRN_DW0)); - reg = REG_SET_FIELD(reg, BIF_BX_PF_MAILBOX_MSGBUF_TRN_DW0, - MSGBUF_DATA, req); - WREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_MSGBUF_TRN_DW0), - reg); - WREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_MSGBUF_TRN_DW1), - data1); - WREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_MSGBUF_TRN_DW2), - data2); - WREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_MSGBUF_TRN_DW3), - data3); - + WREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW0, req); + WREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW1, data1); + WREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW2, data2); + WREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW3, data3); xgpu_nv_mailbox_set_valid(adev, true); /* start to poll ack */ @@ -192,8 +180,7 @@ static int xgpu_nv_send_access_requests(struct amdgpu_device *adev, if (req == IDH_REQ_GPU_INIT_DATA) { adev->virt.req_init_data_ver = - RREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, - mmBIF_BX_PF_MAILBOX_MSGBUF_RCV_DW1)); + RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW1); /* assume V1 in case host doesn't set version number */ if (adev->virt.req_init_data_ver < 1) @@ -204,8 +191,7 @@ static int xgpu_nv_send_access_requests(struct amdgpu_device *adev, /* Retrieve checksum from mailbox2 */ if (req == IDH_REQ_GPU_INIT_ACCESS || req == IDH_REQ_GPU_RESET_ACCESS) { adev->virt.fw_reserve.checksum_key = - RREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, - mmBIF_BX_PF_MAILBOX_MSGBUF_RCV_DW2)); + RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW2); } } @@ -256,11 +242,14 @@ static int xgpu_nv_set_mailbox_ack_irq(struct amdgpu_device *adev, unsigned type, enum amdgpu_interrupt_state state) { - u32 tmp = RREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_INT_CNTL)); + u32 tmp = RREG32_NO_KIQ(mmMAILBOX_INT_CNTL); - tmp = REG_SET_FIELD(tmp, BIF_BX_PF_MAILBOX_INT_CNTL, ACK_INT_EN, - (state == AMDGPU_IRQ_STATE_ENABLE) ? 1 : 0); - WREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_INT_CNTL), tmp); + if (state == AMDGPU_IRQ_STATE_ENABLE) + tmp |= 2; + else + tmp &= ~2; + + WREG32_NO_KIQ(mmMAILBOX_INT_CNTL, tmp); return 0; } @@ -312,11 +301,14 @@ static int xgpu_nv_set_mailbox_rcv_irq(struct amdgpu_device *adev, unsigned type, enum amdgpu_interrupt_state state) { - u32 tmp = RREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_INT_CNTL)); + u32 tmp = RREG32_NO_KIQ(mmMAILBOX_INT_CNTL); + + if (state == AMDGPU_IRQ_STATE_ENABLE) + tmp |= 1; + else + tmp &= ~1; - tmp = REG_SET_FIELD(tmp, BIF_BX_PF_MAILBOX_INT_CNTL, VALID_INT_EN, - (state == AMDGPU_IRQ_STATE_ENABLE) ? 1 : 0); - WREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_INT_CNTL), tmp); + WREG32_NO_KIQ(mmMAILBOX_INT_CNTL, tmp); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.h b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.h index b9eed0f..45bcf43 100644 --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.h +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.h @@ -59,7 +59,21 @@ int xgpu_nv_mailbox_add_irq_id(struct amdgpu_device *adev); int xgpu_nv_mailbox_get_irq(struct amdgpu_device *adev); void xgpu_nv_mailbox_put_irq(struct amdgpu_device *adev); -#define NV_MAIBOX_CONTROL_TRN_OFFSET_BYTE (SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_CONTROL) * 4) -#define NV_MAIBOX_CONTROL_RCV_OFFSET_BYTE (SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_CONTROL) * 4 + 1) +#define mmMAILBOX_CONTROL 0xE5E + +#define NV_MAIBOX_CONTROL_TRN_OFFSET_BYTE (mmMAILBOX_CONTROL * 4) +#define NV_MAIBOX_CONTROL_RCV_OFFSET_BYTE (NV_MAIBOX_CONTROL_TRN_OFFSET_BYTE + 1) + +#define mmMAILBOX_MSGBUF_TRN_DW0 0xE56 +#define mmMAILBOX_MSGBUF_TRN_DW1 0xE57 +#define mmMAILBOX_MSGBUF_TRN_DW2 0xE58 +#define mmMAILBOX_MSGBUF_TRN_DW3 0xE59 + +#define mmMAILBOX_MSGBUF_RCV_DW0 0xE5A +#define mmMAILBOX_MSGBUF_RCV_DW1 0xE5B +#define mmMAILBOX_MSGBUF_RCV_DW2 0xE5C +#define mmMAILBOX_MSGBUF_RCV_DW3 0xE5D + +#define mmMAILBOX_INT_CNTL 0xE5F #endif