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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
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>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c43
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h7
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c48
3 files changed, 53 insertions, 45 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);
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index 5aa404390d68..95a68e0eb96e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -458,5 +458,10 @@ int amdgpu_gmc_request_memory_partition(struct amdgpu_device *adev,
int nps_mode);
void amdgpu_gmc_prepare_nps_mode_change(struct amdgpu_device *adev);
bool amdgpu_gmc_need_reset_on_init(struct amdgpu_device *adev);
-
+enum amdgpu_memory_partition
+amdgpu_gmc_get_vf_memory_partition(struct amdgpu_device *adev);
+enum amdgpu_memory_partition
+amdgpu_gmc_get_memory_partition(struct amdgpu_device *adev, u32 *supp_modes);
+enum amdgpu_memory_partition
+amdgpu_gmc_query_memory_partition(struct amdgpu_device *adev);
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 01b9374134f2..3cc2d5c21f49 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1383,46 +1383,6 @@ static unsigned int gmc_v9_0_get_vbios_fb_size(struct amdgpu_device *adev)
return size;
}
-static enum amdgpu_memory_partition
-gmc_v9_0_get_memory_partition(struct amdgpu_device *adev, u32 *supp_modes)
-{
- enum amdgpu_memory_partition mode = UNKNOWN_MEMORY_PARTITION_MODE;
-
- if (adev->nbio.funcs->get_memory_partition_mode)
- mode = adev->nbio.funcs->get_memory_partition_mode(adev,
- supp_modes);
-
- return mode;
-}
-
-static enum amdgpu_memory_partition
-gmc_v9_0_query_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;
- default:
- return AMDGPU_NPS1_PARTITION_MODE;
- }
-
- return AMDGPU_NPS1_PARTITION_MODE;
-}
-
-static enum amdgpu_memory_partition
-gmc_v9_0_query_memory_partition(struct amdgpu_device *adev)
-{
- if (amdgpu_sriov_vf(adev))
- return gmc_v9_0_query_vf_memory_partition(adev);
-
- return gmc_v9_0_get_memory_partition(adev, NULL);
-}
-
static bool gmc_v9_0_need_reset_on_init(struct amdgpu_device *adev)
{
if (adev->nbio.funcs && adev->nbio.funcs->is_nps_switch_requested &&
@@ -1444,7 +1404,7 @@ static const struct amdgpu_gmc_funcs gmc_v9_0_gmc_funcs = {
.get_vm_pte = gmc_v9_0_get_vm_pte,
.override_vm_pte_flags = gmc_v9_0_override_vm_pte_flags,
.get_vbios_fb_size = gmc_v9_0_get_vbios_fb_size,
- .query_mem_partition_mode = &gmc_v9_0_query_memory_partition,
+ .query_mem_partition_mode = &amdgpu_gmc_query_memory_partition,
.request_mem_partition_mode = &amdgpu_gmc_request_memory_partition,
.need_reset_on_init = &gmc_v9_0_need_reset_on_init,
};
@@ -1597,7 +1557,7 @@ static void gmc_v9_0_init_nps_details(struct amdgpu_device *adev)
if (amdgpu_sriov_vf(adev) || (adev->flags & AMD_IS_APU))
return;
- mode = gmc_v9_0_get_memory_partition(adev, &supp_modes);
+ mode = amdgpu_gmc_get_memory_partition(adev, &supp_modes);
/* Mode detected by hardware and supported modes available */
if ((mode != UNKNOWN_MEMORY_PARTITION_MODE) && supp_modes) {
@@ -1889,7 +1849,7 @@ static bool gmc_v9_0_validate_partition_info(struct amdgpu_device *adev)
u32 supp_modes;
bool valid;
- mode = gmc_v9_0_get_memory_partition(adev, &supp_modes);
+ mode = amdgpu_gmc_get_memory_partition(adev, &supp_modes);
/* Mode detected by hardware not present in supported modes */
if ((mode != UNKNOWN_MEMORY_PARTITION_MODE) &&
@@ -1973,7 +1933,7 @@ gmc_v9_0_init_sw_mem_ranges(struct amdgpu_device *adev,
u32 start_addr = 0, size;
int i, r, l;
- mode = gmc_v9_0_query_memory_partition(adev);
+ mode = amdgpu_gmc_query_memory_partition(adev);
switch (mode) {
case UNKNOWN_MEMORY_PARTITION_MODE: