[PATCH 09/10] drm/amdgpu: Generalize is_multi_chiplet with a common helper v2

Hawking Zhang Hawking.Zhang at amd.com
Mon Jun 16 09:37:55 UTC 2025


It is not necessary to be ip generation specific

v2: rename the helper to is_multi_aid (Lijo)

Signed-off-by: Hawking Zhang <Hawking.Zhang at amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h   |  5 +++++
 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 23 +++++++++--------------
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 5e2f086d2c99..066532bf5e6e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1337,6 +1337,11 @@ static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_device *bdev)
 	return container_of(bdev, struct amdgpu_device, mman.bdev);
 }
 
+static inline bool amdgpu_is_multi_aid(struct amdgpu_device *adev)
+{
+        return !!adev->aid_mask;
+}
+
 int amdgpu_device_init(struct amdgpu_device *adev,
 		       uint32_t flags);
 void amdgpu_device_fini_hw(struct amdgpu_device *adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 3cc2d5c21f49..fa897ced71e6 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -409,11 +409,6 @@ static const uint32_t ecc_umc_mcumc_ctrl_mask_addrs[] = {
 	(0x001d43e0 + 0x00001800),
 };
 
-static inline bool gmc_v9_0_is_multi_chiplet(struct amdgpu_device *adev)
-{
-	return !!adev->aid_mask;
-}
-
 static int gmc_v9_0_ecc_interrupt_state(struct amdgpu_device *adev,
 		struct amdgpu_irq_src *src,
 		unsigned int type,
@@ -650,7 +645,7 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev,
 		addr, entry->client_id,
 		soc15_ih_clientid_name[entry->client_id]);
 
-	if (gmc_v9_0_is_multi_chiplet(adev))
+	if (amdgpu_is_multi_aid(adev))
 		dev_err(adev->dev, "  cookie node_id %d fault from die %s%d%s\n",
 			node_id, node_id % 4 == 3 ? "RSV" : "AID", node_id / 4,
 			node_id % 4 == 1 ? ".XCD0" : node_id % 4 == 2 ? ".XCD1" : "");
@@ -799,7 +794,7 @@ static bool gmc_v9_0_use_invalidate_semaphore(struct amdgpu_device *adev,
 				       uint32_t vmhub)
 {
 	if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 2) ||
-	    gmc_v9_0_is_multi_chiplet(adev))
+	    amdgpu_is_multi_aid(adev))
 		return false;
 
 	return ((vmhub == AMDGPU_MMHUB0(0) ||
@@ -1511,7 +1506,7 @@ static void gmc_v9_0_set_mmhub_ras_funcs(struct amdgpu_device *adev)
 
 static void gmc_v9_0_set_gfxhub_funcs(struct amdgpu_device *adev)
 {
-	if (gmc_v9_0_is_multi_chiplet(adev))
+	if (amdgpu_is_multi_aid(adev))
 		adev->gfxhub.funcs = &gfxhub_v1_2_funcs;
 	else
 		adev->gfxhub.funcs = &gfxhub_v1_0_funcs;
@@ -1593,7 +1588,7 @@ static int gmc_v9_0_early_init(struct amdgpu_ip_block *ip_block)
 	 */
 	if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 0) ||
 	    amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 1) ||
-	    gmc_v9_0_is_multi_chiplet(adev))
+	    amdgpu_is_multi_aid(adev))
 		adev->gmc.xgmi.supported = true;
 
 	if (amdgpu_ip_version(adev, XGMI_HWIP, 0) == IP_VERSION(6, 1, 0)) {
@@ -2046,7 +2041,7 @@ static int gmc_v9_0_sw_init(struct amdgpu_ip_block *ip_block)
 
 	spin_lock_init(&adev->gmc.invalidate_lock);
 
-	if (gmc_v9_0_is_multi_chiplet(adev)) {
+	if (amdgpu_is_multi_aid(adev)) {
 		gmc_v9_4_3_init_vram_info(adev);
 	} else if (!adev->bios) {
 		if (adev->flags & AMD_IS_APU) {
@@ -2196,7 +2191,7 @@ static int gmc_v9_0_sw_init(struct amdgpu_ip_block *ip_block)
 
 	amdgpu_gmc_get_vbios_allocations(adev);
 
-	if (gmc_v9_0_is_multi_chiplet(adev)) {
+	if (amdgpu_is_multi_aid(adev)) {
 		r = gmc_v9_0_init_mem_ranges(adev);
 		if (r)
 			return r;
@@ -2225,7 +2220,7 @@ static int gmc_v9_0_sw_init(struct amdgpu_ip_block *ip_block)
 	adev->vm_manager.first_kfd_vmid =
 		(amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 1) ||
 		 amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 2) ||
-		 gmc_v9_0_is_multi_chiplet(adev)) ?
+		 amdgpu_is_multi_aid(adev)) ?
 			3 :
 			8;
 
@@ -2237,7 +2232,7 @@ static int gmc_v9_0_sw_init(struct amdgpu_ip_block *ip_block)
 	if (r)
 		return r;
 
-	if (gmc_v9_0_is_multi_chiplet(adev))
+	if (amdgpu_is_multi_aid(adev))
 		amdgpu_gmc_sysfs_init(adev);
 
 	return 0;
@@ -2247,7 +2242,7 @@ static int gmc_v9_0_sw_fini(struct amdgpu_ip_block *ip_block)
 {
 	struct amdgpu_device *adev = ip_block->adev;
 
-	if (gmc_v9_0_is_multi_chiplet(adev))
+	if (amdgpu_is_multi_aid(adev))
 		amdgpu_gmc_sysfs_fini(adev);
 
 	amdgpu_gmc_ras_fini(adev);
-- 
2.17.1



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