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authorJack Xiao <Jack.Xiao@amd.com>2022-06-16 16:34:24 +0300
committerAlex Deucher <alexander.deucher@amd.com>2022-06-30 22:28:24 +0300
commitcf6067290034b9ebbe4c39733b1a4acc94876c26 (patch)
tree332a8a36d455d4755ca6ecd94b4b7e1840eca3a3
parentadc0e6ab0df390907228abb76c6bf82382089af1 (diff)
downloadlinux-cf6067290034b9ebbe4c39733b1a4acc94876c26.tar.xz
drm/amdgpu: enable mes to access registers v2
Enable mes to access registers. v2: squash mes sched ring enablement flag Signed-off-by: Jack Xiao <Jack.Xiao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c8
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c6
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mes_v11_0.c1
4 files changed, 16 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index b697353e5a7a..222d3d7ea076 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -699,6 +699,9 @@ uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg)
if (amdgpu_device_skip_hw_access(adev))
return 0;
+ if (adev->mes.ring.sched.ready)
+ return amdgpu_mes_rreg(adev, reg);
+
BUG_ON(!ring->funcs->emit_rreg);
spin_lock_irqsave(&kiq->ring_lock, flags);
@@ -766,6 +769,11 @@ void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
if (amdgpu_device_skip_hw_access(adev))
return;
+ if (adev->mes.ring.sched.ready) {
+ amdgpu_mes_wreg(adev, reg, v);
+ return;
+ }
+
spin_lock_irqsave(&kiq->ring_lock, flags);
amdgpu_ring_alloc(ring, 32);
amdgpu_ring_emit_wreg(ring, reg, v);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index a8ecf04389b3..9be57389301b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -76,6 +76,12 @@ void amdgpu_virt_kiq_reg_write_reg_wait(struct amdgpu_device *adev,
unsigned long flags;
uint32_t seq;
+ if (adev->mes.ring.sched.ready) {
+ amdgpu_mes_reg_write_reg_wait(adev, reg0, reg1,
+ ref, mask);
+ return;
+ }
+
spin_lock_irqsave(&kiq->ring_lock, flags);
amdgpu_ring_alloc(ring, 32);
amdgpu_ring_emit_reg_write_reg_wait(ring, reg0, reg1,
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
index e098b69d6321..d4e9c6790c2c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
@@ -274,7 +274,7 @@ static void gmc_v11_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
/* For SRIOV run time, driver shouldn't access the register through MMIO
* Directly use kiq to do the vm invalidation instead
*/
- if (adev->gfx.kiq.ring.sched.ready && !adev->enable_mes &&
+ if ((adev->gfx.kiq.ring.sched.ready || adev->mes.ring.sched.ready) &&
(amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev))) {
struct amdgpu_vmhub *hub = &adev->vmhub[vmhub];
const unsigned eng = 17;
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
index 72d6017964c8..5bdc2babb070 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
@@ -1193,6 +1193,7 @@ static int mes_v11_0_hw_init(void *handle)
* with MES enabled.
*/
adev->gfx.kiq.ring.sched.ready = false;
+ adev->mes.ring.sched.ready = true;
return 0;