[PATCH 12/12] drm/amdgpu: put MQDs in VRAM

[Alex Deucher]

Reduces preemption latency.

v2: move MES MQDs into VRAM as well (YuBiao)
v3: enable on gfx10, 11 only (Alex)

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 4 ++++
 drivers/gpu/drm/amd/amdgpu/mes_v10_1.c  | 1 +
 drivers/gpu/drm/amd/amdgpu/mes_v11_0.c  | 1 +
 3 files changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index 0560568b3925..92c5f0ce8bbb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -382,6 +382,8 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
 	int r, i;
 	struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
 	struct amdgpu_ring *ring = &kiq->ring;
+	u32 domain_vram = adev->ip_versions[GC_HWIP][0] >= IP_VERSION(10, 0, 0) ?
+		AMDGPU_GEM_DOMAIN_VRAM : 0;
 
 	/* create MQD for KIQ */
 	if (!adev->enable_mes_kiq && !ring->mqd_obj) {
@@ -413,6 +415,7 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
 			ring = &adev->gfx.gfx_ring[i];
 			if (!ring->mqd_obj) {
 				r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
+							    domain_vram |
 							    AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,
 							    &ring->mqd_gpu_addr, &ring->mqd_ptr);
 				if (r) {
@@ -434,6 +437,7 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
 		ring = &adev->gfx.compute_ring[i + xcc_id * adev->gfx.num_compute_rings];
 		if (!ring->mqd_obj) {
 			r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
+						    domain_vram |
 						    AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,
 						    &ring->mqd_gpu_addr, &ring->mqd_ptr);
 			if (r) {
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
index 0599f8a6813e..4560476c7c31 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
@@ -901,6 +901,7 @@ static int mes_v10_1_mqd_sw_init(struct amdgpu_device *adev,
 		return 0;
 
 	r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
+				    AMDGPU_GEM_DOMAIN_VRAM |
 				    AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,
 				    &ring->mqd_gpu_addr, &ring->mqd_ptr);
 	if (r) {
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
index e853bcb892fc..3adb450eec07 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
@@ -999,6 +999,7 @@ static int mes_v11_0_mqd_sw_init(struct amdgpu_device *adev,
 		return 0;
 
 	r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
+				    AMDGPU_GEM_DOMAIN_VRAM |
 				    AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,
 				    &ring->mqd_gpu_addr, &ring->mqd_ptr);
 	if (r) {
-- 
2.40.0