That function never fails, drop the error return. Signed-off-by: Christian König <christian.koenig@xxxxxxx> Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 7 ++++--- drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 6 +++--- drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 7 +++---- drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c | 7 +++---- drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 9 ++++----- drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 9 ++++----- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 8 +++----- 7 files changed, 24 insertions(+), 29 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index 07f657e2f3a2..eaba4e9f247e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -642,9 +642,10 @@ int amdgpu_gmc_flush_gpu_tlb_pasid(struct amdgpu_device *adev, uint16_t pasid, if (!adev->gmc.flush_pasid_uses_kiq || !ring->sched.ready || !down_read_trylock(&adev->reset_domain->sem)) { - return adev->gmc.gmc_funcs->flush_gpu_tlb_pasid(adev, pasid, - flush_type, - all_hub, inst); + adev->gmc.gmc_funcs->flush_gpu_tlb_pasid(adev, pasid, + flush_type, all_hub, + inst); + return 0; } /* 2 dwords flush + 8 dwords fence */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h index 7732d4ef845e..dd0ede75e5d7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h @@ -130,9 +130,9 @@ struct amdgpu_gmc_funcs { void (*flush_gpu_tlb)(struct amdgpu_device *adev, uint32_t vmid, uint32_t vmhub, uint32_t flush_type); /* flush the vm tlb via pasid */ - int (*flush_gpu_tlb_pasid)(struct amdgpu_device *adev, uint16_t pasid, - uint32_t flush_type, bool all_hub, - uint32_t inst); + void (*flush_gpu_tlb_pasid)(struct amdgpu_device *adev, uint16_t pasid, + uint32_t flush_type, bool all_hub, + uint32_t inst); /* flush the vm tlb via ring */ uint64_t (*emit_flush_gpu_tlb)(struct amdgpu_ring *ring, unsigned vmid, uint64_t pd_addr); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c index 5cc77c207dbf..87c1b945e82d 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -339,9 +339,9 @@ static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, * * Flush the TLB for the requested pasid. */ -static int gmc_v10_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, - uint16_t pasid, uint32_t flush_type, - bool all_hub, uint32_t inst) +static void gmc_v10_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, + uint16_t pasid, uint32_t flush_type, + bool all_hub, uint32_t inst) { uint16_t queried; int vmid, i; @@ -364,7 +364,6 @@ static int gmc_v10_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, flush_type); } } - return 0; } static uint64_t gmc_v10_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c index a129166a721c..7d61f66625fa 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c @@ -299,9 +299,9 @@ static void gmc_v11_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, * * Flush the TLB for the requested pasid. */ -static int gmc_v11_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, - uint16_t pasid, uint32_t flush_type, - bool all_hub, uint32_t inst) +static void gmc_v11_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, + uint16_t pasid, uint32_t flush_type, + bool all_hub, uint32_t inst) { uint16_t queried; int vmid, i; @@ -324,7 +324,6 @@ static int gmc_v11_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, flush_type); } } - return 0; } static uint64_t gmc_v11_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 9e19a752f94b..fa3586efacd2 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -423,15 +423,15 @@ static int gmc_v7_0_mc_init(struct amdgpu_device *adev) * * Flush the TLB for the requested pasid. */ -static int gmc_v7_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, - uint16_t pasid, uint32_t flush_type, - bool all_hub, uint32_t inst) +static void gmc_v7_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, + uint16_t pasid, uint32_t flush_type, + bool all_hub, uint32_t inst) { u32 mask = 0x0; int vmid; if(!down_read_trylock(&adev->reset_domain->sem)) - return 0; + return; for (vmid = 1; vmid < 16; vmid++) { u32 tmp = RREG32(mmATC_VMID0_PASID_MAPPING + vmid); @@ -444,7 +444,6 @@ static int gmc_v7_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, WREG32(mmVM_INVALIDATE_REQUEST, mask); RREG32(mmVM_INVALIDATE_RESPONSE); up_read(&adev->reset_domain->sem); - return 0; } /* diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 2d51531a1f2d..ffcd79d28b9a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -613,15 +613,15 @@ static int gmc_v8_0_mc_init(struct amdgpu_device *adev) * * Flush the TLB for the requested pasid. */ -static int gmc_v8_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, - uint16_t pasid, uint32_t flush_type, - bool all_hub, uint32_t inst) +static void gmc_v8_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, + uint16_t pasid, uint32_t flush_type, + bool all_hub, uint32_t inst) { u32 mask = 0x0; int vmid; if(!down_read_trylock(&adev->reset_domain->sem)) - return 0; + return; for (vmid = 1; vmid < 16; vmid++) { u32 tmp = RREG32(mmATC_VMID0_PASID_MAPPING + vmid); @@ -634,7 +634,6 @@ static int gmc_v8_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, WREG32(mmVM_INVALIDATE_REQUEST, mask); RREG32(mmVM_INVALIDATE_RESPONSE); up_read(&adev->reset_domain->sem); - return 0; } /* diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 37b33eb84210..448966069312 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -952,9 +952,9 @@ static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, * * Flush the TLB for the requested pasid. */ -static int gmc_v9_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, - uint16_t pasid, uint32_t flush_type, - bool all_hub, uint32_t inst) +static void gmc_v9_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, + uint16_t pasid, uint32_t flush_type, + bool all_hub, uint32_t inst) { uint16_t queried; int i, vmid; @@ -978,8 +978,6 @@ static int gmc_v9_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, flush_type); } } - - return 0; } static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, -- 2.34.1