From: Lang Yu <lang.yu@amd.com>
Date: Mon, 26 Jan 2026 08:47:39 +0000 (+0800)
Subject: drm/amdgpu: Use AMDGPU_MQD_SIZE_ALIGN in KGD
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a6a4dd519cbe1fdf1f33e2942356dcc9c7b4c682;p=thirdparty%2Fkernel%2Flinux.git

drm/amdgpu: Use AMDGPU_MQD_SIZE_ALIGN in KGD

Use AMDGPU_MQD_SIZE_ALIGN for both kernel and user queue.

Signed-off-by: Lang Yu <lang.yu@amd.com>
Reviewed-by: David Belanger <david.belanger@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Mukul Joshi <mukul.joshi@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index 8b5801d7109c..77578ecc6782 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -385,6 +385,8 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
 	struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
 	struct amdgpu_ring *ring = &kiq->ring;
 	u32 domain = AMDGPU_GEM_DOMAIN_GTT;
+	u32 gfx_mqd_size = max(adev->mqds[AMDGPU_HW_IP_GFX].mqd_size, mqd_size);
+	u32 compute_mqd_size = max(adev->mqds[AMDGPU_HW_IP_COMPUTE].mqd_size, mqd_size);
 
 #if !defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
 	/* Only enable on gfx10 and 11 for now to avoid changing behavior on older chips */
@@ -424,17 +426,17 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
 		for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
 			ring = &adev->gfx.gfx_ring[i];
 			if (!ring->mqd_obj) {
-				r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
-							    domain, &ring->mqd_obj,
+				r = amdgpu_bo_create_kernel(adev, AMDGPU_MQD_SIZE_ALIGN(gfx_mqd_size),
+								PAGE_SIZE, domain, &ring->mqd_obj,
 							    &ring->mqd_gpu_addr, &ring->mqd_ptr);
 				if (r) {
 					dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r);
 					return r;
 				}
 
-				ring->mqd_size = mqd_size;
+				ring->mqd_size = gfx_mqd_size;
 				/* prepare MQD backup */
-				adev->gfx.me.mqd_backup[i] = kzalloc(mqd_size, GFP_KERNEL);
+				adev->gfx.me.mqd_backup[i] = kzalloc(gfx_mqd_size, GFP_KERNEL);
 				if (!adev->gfx.me.mqd_backup[i]) {
 					dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
 					return -ENOMEM;
@@ -448,17 +450,17 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
 		j = i + xcc_id * adev->gfx.num_compute_rings;
 		ring = &adev->gfx.compute_ring[j];
 		if (!ring->mqd_obj) {
-			r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
-						    domain, &ring->mqd_obj,
+			r = amdgpu_bo_create_kernel(adev, AMDGPU_MQD_SIZE_ALIGN(compute_mqd_size),
+							PAGE_SIZE, domain, &ring->mqd_obj,
 						    &ring->mqd_gpu_addr, &ring->mqd_ptr);
 			if (r) {
 				dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r);
 				return r;
 			}
 
-			ring->mqd_size = mqd_size;
+			ring->mqd_size = compute_mqd_size;
 			/* prepare MQD backup */
-			adev->gfx.mec.mqd_backup[j] = kzalloc(mqd_size, GFP_KERNEL);
+			adev->gfx.mec.mqd_backup[j] = kzalloc(compute_mqd_size, GFP_KERNEL);
 			if (!adev->gfx.mec.mqd_backup[j]) {
 				dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
 				return -ENOMEM;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c
index 08ae50a6313f..eb9725ae1607 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c
@@ -2236,7 +2236,7 @@ static int gfx_v12_1_compute_mqd_init(struct amdgpu_device *adev, void *m,
 	mqd->cp_hqd_queue_priority = prop->hqd_queue_priority;
 
 	mqd->cp_mqd_stride_size = prop->mqd_stride_size ? prop->mqd_stride_size :
-		sizeof(struct v12_1_compute_mqd);
+		AMDGPU_MQD_SIZE_ALIGN(adev->mqds[AMDGPU_HW_IP_COMPUTE].mqd_size);
 
 	mqd->cp_hqd_active = prop->hqd_active;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c b/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
index f2309d72bbe6..9508709abd49 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
@@ -289,7 +289,8 @@ static int mes_userq_mqd_create(struct amdgpu_usermode_queue *queue,
 		return -ENOMEM;
 	}
 
-	r = amdgpu_userq_create_object(uq_mgr, &queue->mqd, mqd_hw_default->mqd_size);
+	r = amdgpu_userq_create_object(uq_mgr, &queue->mqd,
+			AMDGPU_MQD_SIZE_ALIGN(mqd_hw_default->mqd_size));
 	if (r) {
 		DRM_ERROR("Failed to create MQD object for userqueue\n");
 		goto free_props;