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* [PATCH] drm/amdgpu: use correct register mask to extract field
@ 2021-10-29  7:16 Yang Wang
  2021-10-29  7:20 ` Zhang, Hawking
  0 siblings, 1 reply; 2+ messages in thread
From: Yang Wang @ 2021-10-29  7:16 UTC (permalink / raw)
  To: amd-gfx; +Cc: hawking.zhang, frank.min, lijo.lazar, Oak Zeng, Hawking Zhang

From: Oak Zeng <Oak.Zeng@amd.com>

Aldebaran has different register mask definitions for
regiter MC_VM_XGMI_LFB_CNTL. Use the correct masks
to interpret fields of this register.

Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c
index 497b86c376c6..90f0aefbdb39 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c
@@ -54,15 +54,17 @@ int gfxhub_v1_1_get_xgmi_info(struct amdgpu_device *adev)
 		seg_size = REG_GET_FIELD(
 			RREG32_SOC15(GC, 0, mmMC_VM_XGMI_LFB_SIZE_ALDE),
 			MC_VM_XGMI_LFB_SIZE, PF_LFB_SIZE) << 24;
+		max_region =
+			REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL_ALDE, PF_MAX_REGION);
 	} else {
 		xgmi_lfb_cntl = RREG32_SOC15(GC, 0, mmMC_VM_XGMI_LFB_CNTL);
 		seg_size = REG_GET_FIELD(
 			RREG32_SOC15(GC, 0, mmMC_VM_XGMI_LFB_SIZE),
 			MC_VM_XGMI_LFB_SIZE, PF_LFB_SIZE) << 24;
+		max_region =
+			REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL, PF_MAX_REGION);
 	}
 
-	max_region =
-		REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL, PF_MAX_REGION);
 
 
 	switch (adev->asic_type) {
@@ -89,9 +91,15 @@ int gfxhub_v1_1_get_xgmi_info(struct amdgpu_device *adev)
 		if (adev->gmc.xgmi.num_physical_nodes > max_num_physical_nodes)
 			return -EINVAL;
 
-		adev->gmc.xgmi.physical_node_id =
-		REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL,
-			      PF_LFB_REGION);
+		if (adev->asic_type == CHIP_ALDEBARAN) {
+			adev->gmc.xgmi.physical_node_id =
+				REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL_ALDE,
+						PF_LFB_REGION);
+		} else {
+			adev->gmc.xgmi.physical_node_id =
+				REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL,
+						PF_LFB_REGION);
+		}
 
 		if (adev->gmc.xgmi.physical_node_id > max_physical_node_id)
 			return -EINVAL;
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* RE: [PATCH] drm/amdgpu: use correct register mask to extract field
  2021-10-29  7:16 [PATCH] drm/amdgpu: use correct register mask to extract field Yang Wang
@ 2021-10-29  7:20 ` Zhang, Hawking
  0 siblings, 0 replies; 2+ messages in thread
From: Zhang, Hawking @ 2021-10-29  7:20 UTC (permalink / raw)
  To: Wang, Yang(Kevin), amd-gfx; +Cc: Min, Frank, Lazar, Lijo, Oak Zeng

[AMD Official Use Only]

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>

Regards,
Hawking
-----Original Message-----
From: Wang, Yang(Kevin) <KevinYang.Wang@amd.com>
Sent: Friday, October 29, 2021 15:17
To: amd-gfx@lists.freedesktop.org
Cc: Zhang, Hawking <Hawking.Zhang@amd.com>; Min, Frank <Frank.Min@amd.com>; Lazar, Lijo <Lijo.Lazar@amd.com>; Oak Zeng <Oak.Zeng@amd.com>; Zhang, Hawking <Hawking.Zhang@amd.com>
Subject: [PATCH] drm/amdgpu: use correct register mask to extract field

From: Oak Zeng <Oak.Zeng@amd.com>

Aldebaran has different register mask definitions for regiter MC_VM_XGMI_LFB_CNTL. Use the correct masks to interpret fields of this register.

Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c
index 497b86c376c6..90f0aefbdb39 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c
@@ -54,15 +54,17 @@ int gfxhub_v1_1_get_xgmi_info(struct amdgpu_device *adev)
                seg_size = REG_GET_FIELD(
                        RREG32_SOC15(GC, 0, mmMC_VM_XGMI_LFB_SIZE_ALDE),
                        MC_VM_XGMI_LFB_SIZE, PF_LFB_SIZE) << 24;
+               max_region =
+                       REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL_ALDE,
+PF_MAX_REGION);
        } else {
                xgmi_lfb_cntl = RREG32_SOC15(GC, 0, mmMC_VM_XGMI_LFB_CNTL);
                seg_size = REG_GET_FIELD(
                        RREG32_SOC15(GC, 0, mmMC_VM_XGMI_LFB_SIZE),
                        MC_VM_XGMI_LFB_SIZE, PF_LFB_SIZE) << 24;
+               max_region =
+                       REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL, PF_MAX_REGION);
        }

-       max_region =
-               REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL, PF_MAX_REGION);


        switch (adev->asic_type) {
@@ -89,9 +91,15 @@ int gfxhub_v1_1_get_xgmi_info(struct amdgpu_device *adev)
                if (adev->gmc.xgmi.num_physical_nodes > max_num_physical_nodes)
                        return -EINVAL;

-               adev->gmc.xgmi.physical_node_id =
-               REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL,
-                             PF_LFB_REGION);
+               if (adev->asic_type == CHIP_ALDEBARAN) {
+                       adev->gmc.xgmi.physical_node_id =
+                               REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL_ALDE,
+                                               PF_LFB_REGION);
+               } else {
+                       adev->gmc.xgmi.physical_node_id =
+                               REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL,
+                                               PF_LFB_REGION);
+               }

                if (adev->gmc.xgmi.physical_node_id > max_physical_node_id)
                        return -EINVAL;
--
2.25.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2021-10-29  7:20 UTC | newest]

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2021-10-29  7:16 [PATCH] drm/amdgpu: use correct register mask to extract field Yang Wang
2021-10-29  7:20 ` Zhang, Hawking

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