drm/amdgpu: assign VM invalidation engine manually v2
For Vega10 we have 18 VM invalidation engines for each VMHUB.
Start to assign them manually to the rings.
v2: add a BUG_ON if we use to many engines
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Andres Rodriguez <andresx7@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index de12f75..944443c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -179,6 +179,7 @@ struct amdgpu_ring {
unsigned cond_exe_offs;
u64 cond_exe_gpu_addr;
volatile u32 *cond_exe_cpu_addr;
+ unsigned vm_inv_eng;
#if defined(CONFIG_DEBUG_FS)
struct dentry *ent;
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 1badd29..87596e4 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -2959,7 +2959,7 @@ static void gfx_v9_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
int usepfp = (ring->funcs->type == AMDGPU_RING_TYPE_GFX);
uint32_t req = ring->adev->gart.gart_funcs->get_invalidate_req(vm_id);
- unsigned eng = ring->idx;
+ unsigned eng = ring->vm_inv_eng;
pd_addr = pd_addr | 0x1; /* valid bit */
/* now only use physical base address of PDE and valid */
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 7f5cc75..a71521e 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -386,6 +386,22 @@ static int gmc_v9_0_early_init(void *handle)
static int gmc_v9_0_late_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ unsigned vm_inv_eng[AMDGPU_MAX_VMHUBS] = { 0 };
+ unsigned i;
+
+ for(i = 0; i < adev->num_rings; ++i) {
+ struct amdgpu_ring *ring = adev->rings[i];
+ unsigned vmhub = ring->funcs->vmhub;
+
+ ring->vm_inv_eng = vm_inv_eng[vmhub]++;
+ dev_info(adev->dev, "ring %u uses VM inv eng %u on hub %u\n",
+ ring->idx, ring->vm_inv_eng, ring->funcs->vmhub);
+ }
+
+ /* Engine 17 is used for GART flushes */
+ for(i = 0; i < AMDGPU_MAX_VMHUBS; ++i)
+ BUG_ON(vm_inv_eng[i] > 17);
+
return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index c3cf6bc..88c5d8f 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -1041,7 +1041,7 @@ static void sdma_v4_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
{
struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
uint32_t req = ring->adev->gart.gart_funcs->get_invalidate_req(vm_id);
- unsigned eng = ring->idx;
+ unsigned eng = ring->vm_inv_eng;
pd_addr = pd_addr | 0x1; /* valid bit */
/* now only use physical base address of PDE and valid */
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
index dc3a214..c646570d 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
@@ -1037,7 +1037,7 @@ static void uvd_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
uint32_t req = ring->adev->gart.gart_funcs->get_invalidate_req(vm_id);
uint32_t data0, data1, mask;
- unsigned eng = ring->idx;
+ unsigned eng = ring->vm_inv_eng;
pd_addr = pd_addr | 0x1; /* valid bit */
/* now only use physical base address of PDE and valid */
@@ -1078,7 +1078,7 @@ static void uvd_v7_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
{
struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
uint32_t req = ring->adev->gart.gart_funcs->get_invalidate_req(vm_id);
- unsigned eng = ring->idx;
+ unsigned eng = ring->vm_inv_eng;
pd_addr = pd_addr | 0x1; /* valid bit */
/* now only use physical base address of PDE and valid */
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
index 2ffafbe..72d0edb 100644
--- a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
@@ -970,7 +970,7 @@ static void vce_v4_0_emit_vm_flush(struct amdgpu_ring *ring,
{
struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
uint32_t req = ring->adev->gart.gart_funcs->get_invalidate_req(vm_id);
- unsigned eng = ring->idx;
+ unsigned eng = ring->vm_inv_eng;
pd_addr = pd_addr | 0x1; /* valid bit */
/* now only use physical base address of PDE and valid */