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authorHawking Zhang <Hawking.Zhang@amd.com>2025-06-21 21:11:30 +0800
committerAlex Deucher <alexander.deucher@amd.com>2025-06-24 10:04:09 -0400
commitc9df2dcf9054273c7f493b7912744de6eefd2aea (patch)
tree45ab8c21aa7d51f192593e8e7fe62a2eb4bc5181 /drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
parent97c894758b9f1d7a01794d85b95a7b2854d85009 (diff)
drm/amdgpu: Convert query_memory_partition into common helpers
The query_memory_partition does not need to remain as soc specific callbacks. They can be shared across multiple products Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index c5f06142e892..a65dff25c35a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -1448,3 +1448,46 @@ bool amdgpu_gmc_need_reset_on_init(struct amdgpu_device *adev)
return false;
}
+
+enum amdgpu_memory_partition
+amdgpu_gmc_get_vf_memory_partition(struct amdgpu_device *adev)
+{
+ switch (adev->gmc.num_mem_partitions) {
+ case 0:
+ return UNKNOWN_MEMORY_PARTITION_MODE;
+ case 1:
+ return AMDGPU_NPS1_PARTITION_MODE;
+ case 2:
+ return AMDGPU_NPS2_PARTITION_MODE;
+ case 4:
+ return AMDGPU_NPS4_PARTITION_MODE;
+ case 8:
+ return AMDGPU_NPS8_PARTITION_MODE;
+ default:
+ return AMDGPU_NPS1_PARTITION_MODE;
+ }
+}
+
+enum amdgpu_memory_partition
+amdgpu_gmc_get_memory_partition(struct amdgpu_device *adev, u32 *supp_modes)
+{
+ enum amdgpu_memory_partition mode = UNKNOWN_MEMORY_PARTITION_MODE;
+
+ if (adev->nbio.funcs &&
+ adev->nbio.funcs->get_memory_partition_mode)
+ mode = adev->nbio.funcs->get_memory_partition_mode(adev,
+ supp_modes);
+ else
+ dev_warn(adev->dev, "memory partition mode query is not supported\n");
+
+ return mode;
+}
+
+enum amdgpu_memory_partition
+amdgpu_gmc_query_memory_partition(struct amdgpu_device *adev)
+{
+ if (amdgpu_sriov_vf(adev))
+ return amdgpu_gmc_get_vf_memory_partition(adev);
+ else
+ return amdgpu_gmc_get_memory_partition(adev, NULL);
+}