1 files changed, 60 insertions, 37 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
index 237fa5e16b7c..ce2bf1fb79ed 100644
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
@@ -30,7 +30,6 @@
 #include "navi10_ih.h"
 #include "soc15_common.h"
 #include "mxgpu_nv.h"
-#include "mxgpu_ai.h"
 
 static void xgpu_nv_mailbox_send_ack(struct amdgpu_device *adev)
 {
@@ -53,8 +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);
 }
 
 
@@ -63,8 +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;
 
@@ -110,7 +107,6 @@ static int xgpu_nv_poll_msg(struct amdgpu_device *adev, enum idh_event event)
 		timeout -= 10;
 	} while (timeout > 1);
 
-	pr_err("Doesn't get msg:%d from pf, error=%d\n", event, r);
 
 	return -ETIME;
 }
@@ -118,7 +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;
 
@@ -137,19 +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 */
@@ -164,23 +150,48 @@ static int xgpu_nv_send_access_requests(struct amdgpu_device *adev,
 					enum idh_request req)
 {
 	int r;
+	enum idh_event event = -1;
 
 	xgpu_nv_mailbox_trans_msg(adev, req, 0, 0, 0);
 
-	/* start to check msg if request is idh_req_gpu_init_access */
-	if (req == IDH_REQ_GPU_INIT_ACCESS ||
-		req == IDH_REQ_GPU_FINI_ACCESS ||
-		req == IDH_REQ_GPU_RESET_ACCESS) {
-		r = xgpu_nv_poll_msg(adev, IDH_READY_TO_ACCESS_GPU);
+	switch (req) {
+	case IDH_REQ_GPU_INIT_ACCESS:
+	case IDH_REQ_GPU_FINI_ACCESS:
+	case IDH_REQ_GPU_RESET_ACCESS:
+		event = IDH_READY_TO_ACCESS_GPU;
+		break;
+	case IDH_REQ_GPU_INIT_DATA:
+		event = IDH_REQ_GPU_INIT_DATA_READY;
+		break;
+	default:
+		break;
+	}
+
+	if (event != -1) {
+		r = xgpu_nv_poll_msg(adev, event);
 		if (r) {
-			pr_err("Doesn't get READY_TO_ACCESS_GPU from pf, give up\n");
-			return r;
+			if (req != IDH_REQ_GPU_INIT_DATA) {
+				pr_err("Doesn't get msg:%d from pf, error=%d\n", event, r);
+				return r;
+			}
+			else /* host doesn't support REQ_GPU_INIT_DATA handshake */
+				adev->virt.req_init_data_ver = 0;
+		} else {
+			if (req == IDH_REQ_GPU_INIT_DATA)
+			{
+				adev->virt.req_init_data_ver =
+					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)
+					adev->virt.req_init_data_ver = 1;
+			}
 		}
+
 		/* 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);
 		}
 	}
 
@@ -213,6 +224,11 @@ static int xgpu_nv_release_full_gpu_access(struct amdgpu_device *adev,
 	return r;
 }
 
+static int xgpu_nv_request_init_data(struct amdgpu_device *adev)
+{
+	return xgpu_nv_send_access_requests(adev, IDH_REQ_GPU_INIT_DATA);
+}
+
 static int xgpu_nv_mailbox_ack_irq(struct amdgpu_device *adev,
 					struct amdgpu_irq_src *source,
 					struct amdgpu_iv_entry *entry)
@@ -226,11 +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);
+
+	if (state == AMDGPU_IRQ_STATE_ENABLE)
+		tmp |= 2;
+	else
+		tmp &= ~2;
 
-	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);
+	WREG32_NO_KIQ(mmMAILBOX_INT_CNTL, tmp);
 
 	return 0;
 }
@@ -282,11 +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;
 }
@@ -378,6 +400,7 @@ void xgpu_nv_mailbox_put_irq(struct amdgpu_device *adev)
 const struct amdgpu_virt_ops xgpu_nv_virt_ops = {
 	.req_full_gpu	= xgpu_nv_request_full_gpu_access,
 	.rel_full_gpu	= xgpu_nv_release_full_gpu_access,
+	.req_init_data  = xgpu_nv_request_init_data,
 	.reset_gpu = xgpu_nv_request_reset,
 	.wait_reset = NULL,
 	.trans_msg = xgpu_nv_mailbox_trans_msg,