From: Shaoyun Liu <Shaoyun.Liu@amd.com>
Date: Fri, 28 Apr 2017 17:18:26 -0400
Subject: drm/amdgpu: Move kiq ring lock out of virt structure
Git-commit: cdf6adb28f79e728389b2e1a5e524504ce710eb6
Patch-mainline: v4.13-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
The usage of kiq should not depend on the virtualization.
Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Reviewed-by:Andres Rodriquez <andresx7@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 9 ++++-----
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 1 -
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 2 ++
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 2 ++
5 files changed, 9 insertions(+), 6 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -907,6 +907,7 @@ struct amdgpu_mec {
struct amdgpu_kiq {
u64 eop_gpu_addr;
struct amdgpu_bo *eop_obj;
+ struct mutex ring_mutex;
struct amdgpu_ring ring;
struct amdgpu_irq_src irq;
};
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -108,7 +108,6 @@ void amdgpu_virt_init_setting(struct amd
adev->cg_flags = 0;
adev->pg_flags = 0;
- mutex_init(&adev->virt.lock_kiq);
mutex_init(&adev->virt.lock_reset);
}
@@ -122,12 +121,12 @@ uint32_t amdgpu_virt_kiq_rreg(struct amd
BUG_ON(!ring->funcs->emit_rreg);
- mutex_lock(&adev->virt.lock_kiq);
+ mutex_lock(&kiq->ring_mutex);
amdgpu_ring_alloc(ring, 32);
amdgpu_ring_emit_rreg(ring, reg);
amdgpu_fence_emit(ring, &f);
amdgpu_ring_commit(ring);
- mutex_unlock(&adev->virt.lock_kiq);
+ mutex_unlock(&kiq->ring_mutex);
r = dma_fence_wait(f, false);
if (r)
@@ -148,12 +147,12 @@ void amdgpu_virt_kiq_wreg(struct amdgpu_
BUG_ON(!ring->funcs->emit_wreg);
- mutex_lock(&adev->virt.lock_kiq);
+ mutex_lock(&kiq->ring_mutex);
amdgpu_ring_alloc(ring, 32);
amdgpu_ring_emit_wreg(ring, reg, v);
amdgpu_fence_emit(ring, &f);
amdgpu_ring_commit(ring);
- mutex_unlock(&adev->virt.lock_kiq);
+ mutex_unlock(&kiq->ring_mutex);
r = dma_fence_wait(f, false);
if (r)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -52,7 +52,6 @@ struct amdgpu_virt {
uint64_t csa_vmid0_addr;
bool chained_ib_support;
uint32_t reg_val_offs;
- struct mutex lock_kiq;
struct mutex lock_reset;
struct amdgpu_irq_src ack_irq;
struct amdgpu_irq_src rcv_irq;
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -1385,6 +1385,8 @@ static int gfx_v8_0_kiq_init_ring(struct
struct amdgpu_kiq *kiq = &adev->gfx.kiq;
int r = 0;
+ mutex_init(&kiq->ring_mutex);
+
r = amdgpu_wb_get(adev, &adev->virt.reg_val_offs);
if (r)
return r;
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -614,6 +614,8 @@ static int gfx_v9_0_kiq_init_ring(struct
struct amdgpu_kiq *kiq = &adev->gfx.kiq;
int r = 0;
+ mutex_init(&kiq->ring_mutex);
+
r = amdgpu_wb_get(adev, &adev->virt.reg_val_offs);
if (r)
return r;