[PATCH 1/4] drm/amdgpu: request init data in virt detection

Wenhui.Sheng Wenhui.Sheng at amd.com
Wed Jun 24 14:40:18 UTC 2020


From: Wenhui Sheng <Wenhui.Sheng at amd.com>

Move request init data to virt detection func, so we
can insert request full access between request init data
and set ip blocks.

Signed-off-by: Wenhui Sheng <Wenhui.Sheng at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 28 ++++++++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/nv.c          | 11 +++++-----
 drivers/gpu/drm/amd/amdgpu/nv.h          |  1 +
 drivers/gpu/drm/amd/amdgpu/soc15.c       |  8 ++++---
 drivers/gpu/drm/amd/amdgpu/soc15.h       |  1 +
 drivers/gpu/drm/amd/amdgpu/vi.c          |  8 ++++---
 drivers/gpu/drm/amd/amdgpu/vi.h          |  1 +
 7 files changed, 46 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index da233a9e429d..1203c20491e6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -27,6 +27,9 @@
 
 #include "amdgpu.h"
 #include "amdgpu_ras.h"
+#include "vi.h"
+#include "soc15.h"
+#include "nv.h"
 
 bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev)
 {
@@ -513,6 +516,31 @@ void amdgpu_detect_virtualization(struct amdgpu_device *adev)
 		if (is_virtual_machine())	/* passthrough mode exclus sriov mod */
 			adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
 	}
+
+	/* we have the ability to check now */
+	if (amdgpu_sriov_vf(adev)) {
+		switch (adev->asic_type) {
+		case CHIP_TONGA:
+		case CHIP_FIJI:
+			vi_set_virt_ops(adev);
+			break;
+		case CHIP_VEGA10:
+		case CHIP_VEGA20:
+		case CHIP_ARCTURUS:
+			soc15_set_virt_ops(adev);
+			break;
+		case CHIP_NAVI10:
+		case CHIP_NAVI12:
+		case CHIP_SIENNA_CICHLID:
+			nv_set_virt_ops(adev);
+			/* try send GPU_INIT_DATA request to host */
+			amdgpu_virt_request_init_data(adev);
+			break;
+		default: /* other chip doesn't support SRIOV */
+			DRM_ERROR("Unknown asic type: %d!\n", adev->asic_type);
+			break;
+		}
+	}
 }
 
 static bool amdgpu_virt_access_debugfs_is_mmio(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index a7cfe3ac7cb6..4b87506cb005 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -420,6 +420,11 @@ static int nv_reg_base_init(struct amdgpu_device *adev)
 	return 0;
 }
 
+void nv_set_virt_ops(struct amdgpu_device *adev)
+{
+	adev->virt.ops = &xgpu_nv_virt_ops;
+}
+
 int nv_set_ip_blocks(struct amdgpu_device *adev)
 {
 	int r;
@@ -427,12 +432,6 @@ int nv_set_ip_blocks(struct amdgpu_device *adev)
 	adev->nbio.funcs = &nbio_v2_3_funcs;
 	adev->nbio.hdp_flush_reg = &nbio_v2_3_hdp_flush_reg;
 
-	if (amdgpu_sriov_vf(adev)) {
-		adev->virt.ops = &xgpu_nv_virt_ops;
-		/* try send GPU_INIT_DATA request to host */
-		amdgpu_virt_request_init_data(adev);
-	}
-
 	/* Set IP register base before any HW register access */
 	r = nv_reg_base_init(adev);
 	if (r)
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.h b/drivers/gpu/drm/amd/amdgpu/nv.h
index b6a95f0122fb..aeef50a6a54b 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.h
+++ b/drivers/gpu/drm/amd/amdgpu/nv.h
@@ -28,6 +28,7 @@
 
 void nv_grbm_select(struct amdgpu_device *adev,
 		    u32 me, u32 pipe, u32 queue, u32 vmid);
+void nv_set_virt_ops(struct amdgpu_device *adev);
 int nv_set_ip_blocks(struct amdgpu_device *adev);
 int navi10_reg_base_init(struct amdgpu_device *adev);
 int navi14_reg_base_init(struct amdgpu_device *adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 3e406eeeaff6..0a3031fb90f2 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -669,6 +669,11 @@ static uint32_t soc15_get_rev_id(struct amdgpu_device *adev)
 	return adev->nbio.funcs->get_rev_id(adev);
 }
 
+void soc15_set_virt_ops(struct amdgpu_device *adev)
+{
+	adev->virt.ops = &xgpu_ai_virt_ops;
+}
+
 int soc15_set_ip_blocks(struct amdgpu_device *adev)
 {
 	int r;
@@ -722,9 +727,6 @@ int soc15_set_ip_blocks(struct amdgpu_device *adev)
 
 	adev->rev_id = soc15_get_rev_id(adev);
 
-	if (amdgpu_sriov_vf(adev))
-		adev->virt.ops = &xgpu_ai_virt_ops;
-
 	switch (adev->asic_type) {
 	case CHIP_VEGA10:
 	case CHIP_VEGA12:
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.h b/drivers/gpu/drm/amd/amdgpu/soc15.h
index b03f950c486c..8f38f047265b 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.h
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.h
@@ -90,6 +90,7 @@ struct soc15_ras_field_entry {
 
 void soc15_grbm_select(struct amdgpu_device *adev,
 		    u32 me, u32 pipe, u32 queue, u32 vmid);
+void soc15_set_virt_ops(struct amdgpu_device *adev);
 int soc15_set_ip_blocks(struct amdgpu_device *adev);
 
 void soc15_program_register_sequence(struct amdgpu_device *adev,
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index af8986a55354..4e5e91888d87 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -1705,11 +1705,13 @@ static const struct amdgpu_ip_block_version vi_common_ip_block =
 	.funcs = &vi_common_ip_funcs,
 };
 
-int vi_set_ip_blocks(struct amdgpu_device *adev)
+void vi_set_virt_ops(struct amdgpu_device *adev)
 {
-	if (amdgpu_sriov_vf(adev))
-		adev->virt.ops = &xgpu_vi_virt_ops;
+	adev->virt.ops = &xgpu_vi_virt_ops;
+}
 
+int vi_set_ip_blocks(struct amdgpu_device *adev)
+{
 	switch (adev->asic_type) {
 	case CHIP_TOPAZ:
 		/* topaz has no DCE, UVD, VCE */
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.h b/drivers/gpu/drm/amd/amdgpu/vi.h
index defb4aaf929a..9718f98f8533 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.h
+++ b/drivers/gpu/drm/amd/amdgpu/vi.h
@@ -28,6 +28,7 @@
 
 void vi_srbm_select(struct amdgpu_device *adev,
 		    u32 me, u32 pipe, u32 queue, u32 vmid);
+void vi_set_virt_ops(struct amdgpu_device *adev);
 int vi_set_ip_blocks(struct amdgpu_device *adev);
 
 void legacy_doorbell_index_init(struct amdgpu_device *adev);
-- 
2.17.1



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