[PATCH] drm/amdgpu: Eliminate the set_pde_pte function pointer in amdgpu_gmc_funcs
Zhao, Yong
Yong.Zhao at amd.com
Tue Feb 26 18:57:06 UTC 2019
Pushed. Thanks.
Yong
On 2019-02-26 1:53 p.m., Christian König wrote:
> Am 26.02.19 um 18:43 schrieb Zhao, Yong:
>> All the gmc_*_set_pde_pte functions are the same across different ASICs,
>> so we can eliminate the set_pde_pte function pointer and instead use a
>> generic function.
>>
>> Signed-off-by: Yong Zhao <Yong.Zhao at amd.com>
>
> Reviewed-by: Christian König <christian.koenig at amd.com>
>
>> ---
>> drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 27 ++++++++
>> drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 10 +--
>> drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 15 -----
>> drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 26 --------
>> drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 61 ++++++------------
>> drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 86 +++++++++----------------
>> 6 files changed, 77 insertions(+), 148 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
>> index d73367cab4f3..5a32a0d2ad31 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
>> @@ -79,6 +79,33 @@ uint64_t amdgpu_gmc_pd_addr(struct amdgpu_bo *bo)
>> return pd_addr;
>> }
>> +/**
>> + * amdgpu_gmc_set_pte_pde - update the page tables using CPU
>> + *
>> + * @adev: amdgpu_device pointer
>> + * @cpu_pt_addr: cpu address of the page table
>> + * @gpu_page_idx: entry in the page table to update
>> + * @addr: dst addr to write into pte/pde
>> + * @flags: access flags
>> + *
>> + * Update the page tables using CPU.
>> + */
>> +int amdgpu_gmc_set_pte_pde(struct amdgpu_device *adev, void
>> *cpu_pt_addr,
>> + uint32_t gpu_page_idx, uint64_t addr,
>> + uint64_t flags)
>> +{
>> + void __iomem *ptr = (void *)cpu_pt_addr;
>> + uint64_t value;
>> +
>> + /*
>> + * The following is for PTE only. GART does not have PDEs.
>> + */
>> + value = addr & 0x0000FFFFFFFFF000ULL;
>> + value |= flags;
>> + writeq(value, ptr + (gpu_page_idx * 8));
>> + return 0;
>> +}
>> +
>> /**
>> * amdgpu_gmc_agp_addr - return the address in the AGP address space
>> *
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
>> index 81e6070d255b..d6c10b4d68c0 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
>> @@ -71,12 +71,6 @@ struct amdgpu_gmc_funcs {
>> /* Change the VMID -> PASID mapping */
>> void (*emit_pasid_mapping)(struct amdgpu_ring *ring, unsigned
>> vmid,
>> unsigned pasid);
>> - /* write pte/pde updates using the cpu */
>> - int (*set_pte_pde)(struct amdgpu_device *adev,
>> - void *cpu_pt_addr, /* cpu addr of page table */
>> - uint32_t gpu_page_idx, /* pte/pde to update */
>> - uint64_t addr, /* addr to write into pte/pde */
>> - uint64_t flags); /* access flags */
>> /* enable/disable PRT support */
>> void (*set_prt)(struct amdgpu_device *adev, bool enable);
>> /* set pte flags based per asic */
>> @@ -155,7 +149,6 @@ struct amdgpu_gmc {
>> #define amdgpu_gmc_flush_gpu_tlb(adev, vmid, type)
>> (adev)->gmc.gmc_funcs->flush_gpu_tlb((adev), (vmid), (type))
>> #define amdgpu_gmc_emit_flush_gpu_tlb(r, vmid, addr)
>> (r)->adev->gmc.gmc_funcs->emit_flush_gpu_tlb((r), (vmid), (addr))
>> #define amdgpu_gmc_emit_pasid_mapping(r, vmid, pasid)
>> (r)->adev->gmc.gmc_funcs->emit_pasid_mapping((r), (vmid), (pasid))
>> -#define amdgpu_gmc_set_pte_pde(adev, pt, idx, addr, flags)
>> (adev)->gmc.gmc_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags))
>> #define amdgpu_gmc_get_vm_pde(adev, level, dst, flags)
>> (adev)->gmc.gmc_funcs->get_vm_pde((adev), (level), (dst), (flags))
>> #define amdgpu_gmc_get_pte_flags(adev, flags)
>> (adev)->gmc.gmc_funcs->get_vm_pte_flags((adev),(flags))
>> @@ -189,6 +182,9 @@ static inline uint64_t
>> amdgpu_gmc_sign_extend(uint64_t addr)
>> void amdgpu_gmc_get_pde_for_bo(struct amdgpu_bo *bo, int level,
>> uint64_t *addr, uint64_t *flags);
>> +int amdgpu_gmc_set_pte_pde(struct amdgpu_device *adev, void
>> *cpu_pt_addr,
>> + uint32_t gpu_page_idx, uint64_t addr,
>> + uint64_t flags);
>> uint64_t amdgpu_gmc_pd_addr(struct amdgpu_bo *bo);
>> uint64_t amdgpu_gmc_agp_addr(struct ttm_buffer_object *bo);
>> void amdgpu_gmc_vram_location(struct amdgpu_device *adev, struct
>> amdgpu_gmc *mc,
>> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
>> b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
>> index 9fc3296592fe..8a812e11a50b 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
>> @@ -383,20 +383,6 @@ static uint64_t
>> gmc_v6_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
>> return pd_addr;
>> }
>> -static int gmc_v6_0_set_pte_pde(struct amdgpu_device *adev, void
>> *cpu_pt_addr,
>> - uint32_t gpu_page_idx, uint64_t addr,
>> - uint64_t flags)
>> -{
>> - void __iomem *ptr = (void *)cpu_pt_addr;
>> - uint64_t value;
>> -
>> - value = addr & 0xFFFFFFFFFFFFF000ULL;
>> - value |= flags;
>> - writeq(value, ptr + (gpu_page_idx * 8));
>> -
>> - return 0;
>> -}
>> -
>> static uint64_t gmc_v6_0_get_vm_pte_flags(struct amdgpu_device *adev,
>> uint32_t flags)
>> {
>> @@ -1169,7 +1155,6 @@ static const struct amd_ip_funcs
>> gmc_v6_0_ip_funcs = {
>> static const struct amdgpu_gmc_funcs gmc_v6_0_gmc_funcs = {
>> .flush_gpu_tlb = gmc_v6_0_flush_gpu_tlb,
>> .emit_flush_gpu_tlb = gmc_v6_0_emit_flush_gpu_tlb,
>> - .set_pte_pde = gmc_v6_0_set_pte_pde,
>> .set_prt = gmc_v6_0_set_prt,
>> .get_vm_pde = gmc_v6_0_get_vm_pde,
>> .get_vm_pte_flags = gmc_v6_0_get_vm_pte_flags
>> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
>> b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
>> index 761dcfb2fec0..f9f5bef64feb 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
>> @@ -460,31 +460,6 @@ static void gmc_v7_0_emit_pasid_mapping(struct
>> amdgpu_ring *ring, unsigned vmid,
>> amdgpu_ring_emit_wreg(ring, mmIH_VMID_0_LUT + vmid, pasid);
>> }
>> -/**
>> - * gmc_v7_0_set_pte_pde - update the page tables using MMIO
>> - *
>> - * @adev: amdgpu_device pointer
>> - * @cpu_pt_addr: cpu address of the page table
>> - * @gpu_page_idx: entry in the page table to update
>> - * @addr: dst addr to write into pte/pde
>> - * @flags: access flags
>> - *
>> - * Update the page tables using the CPU.
>> - */
>> -static int gmc_v7_0_set_pte_pde(struct amdgpu_device *adev, void
>> *cpu_pt_addr,
>> - uint32_t gpu_page_idx, uint64_t addr,
>> - uint64_t flags)
>> -{
>> - void __iomem *ptr = (void *)cpu_pt_addr;
>> - uint64_t value;
>> -
>> - value = addr & 0xFFFFFFFFFFFFF000ULL;
>> - value |= flags;
>> - writeq(value, ptr + (gpu_page_idx * 8));
>> -
>> - return 0;
>> -}
>> -
>> static uint64_t gmc_v7_0_get_vm_pte_flags(struct amdgpu_device *adev,
>> uint32_t flags)
>> {
>> @@ -1376,7 +1351,6 @@ static const struct amdgpu_gmc_funcs
>> gmc_v7_0_gmc_funcs = {
>> .flush_gpu_tlb = gmc_v7_0_flush_gpu_tlb,
>> .emit_flush_gpu_tlb = gmc_v7_0_emit_flush_gpu_tlb,
>> .emit_pasid_mapping = gmc_v7_0_emit_pasid_mapping,
>> - .set_pte_pde = gmc_v7_0_set_pte_pde,
>> .set_prt = gmc_v7_0_set_prt,
>> .get_vm_pte_flags = gmc_v7_0_get_vm_pte_flags,
>> .get_vm_pde = gmc_v7_0_get_vm_pde
>> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
>> b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
>> index 34440672f938..34d547cae135 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
>> @@ -662,50 +662,26 @@ static void gmc_v8_0_emit_pasid_mapping(struct
>> amdgpu_ring *ring, unsigned vmid,
>> amdgpu_ring_emit_wreg(ring, mmIH_VMID_0_LUT + vmid, pasid);
>> }
>> -/**
>> - * gmc_v8_0_set_pte_pde - update the page tables using MMIO
>> - *
>> - * @adev: amdgpu_device pointer
>> - * @cpu_pt_addr: cpu address of the page table
>> - * @gpu_page_idx: entry in the page table to update
>> - * @addr: dst addr to write into pte/pde
>> - * @flags: access flags
>> +/*
>> + * PTE format on VI:
>> + * 63:40 reserved
>> + * 39:12 4k physical page base address
>> + * 11:7 fragment
>> + * 6 write
>> + * 5 read
>> + * 4 exe
>> + * 3 reserved
>> + * 2 snooped
>> + * 1 system
>> + * 0 valid
>> *
>> - * Update the page tables using the CPU.
>> + * PDE format on VI:
>> + * 63:59 block fragment size
>> + * 58:40 reserved
>> + * 39:1 physical base address of PTE
>> + * bits 5:1 must be 0.
>> + * 0 valid
>> */
>> -static int gmc_v8_0_set_pte_pde(struct amdgpu_device *adev, void
>> *cpu_pt_addr,
>> - uint32_t gpu_page_idx, uint64_t addr,
>> - uint64_t flags)
>> -{
>> - void __iomem *ptr = (void *)cpu_pt_addr;
>> - uint64_t value;
>> -
>> - /*
>> - * PTE format on VI:
>> - * 63:40 reserved
>> - * 39:12 4k physical page base address
>> - * 11:7 fragment
>> - * 6 write
>> - * 5 read
>> - * 4 exe
>> - * 3 reserved
>> - * 2 snooped
>> - * 1 system
>> - * 0 valid
>> - *
>> - * PDE format on VI:
>> - * 63:59 block fragment size
>> - * 58:40 reserved
>> - * 39:1 physical base address of PTE
>> - * bits 5:1 must be 0.
>> - * 0 valid
>> - */
>> - value = addr & 0x000000FFFFFFF000ULL;
>> - value |= flags;
>> - writeq(value, ptr + (gpu_page_idx * 8));
>> -
>> - return 0;
>> -}
>> static uint64_t gmc_v8_0_get_vm_pte_flags(struct amdgpu_device
>> *adev,
>> uint32_t flags)
>> @@ -1743,7 +1719,6 @@ static const struct amdgpu_gmc_funcs
>> gmc_v8_0_gmc_funcs = {
>> .flush_gpu_tlb = gmc_v8_0_flush_gpu_tlb,
>> .emit_flush_gpu_tlb = gmc_v8_0_emit_flush_gpu_tlb,
>> .emit_pasid_mapping = gmc_v8_0_emit_pasid_mapping,
>> - .set_pte_pde = gmc_v8_0_set_pte_pde,
>> .set_prt = gmc_v8_0_set_prt,
>> .get_vm_pte_flags = gmc_v8_0_get_vm_pte_flags,
>> .get_vm_pde = gmc_v8_0_get_vm_pde
>> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
>> b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
>> index 600259b4e291..d91274037c9f 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
>> @@ -466,64 +466,37 @@ static void gmc_v9_0_emit_pasid_mapping(struct
>> amdgpu_ring *ring, unsigned vmid,
>> amdgpu_ring_emit_wreg(ring, reg, pasid);
>> }
>> -/**
>> - * gmc_v9_0_set_pte_pde - update the page tables using MMIO
>> - *
>> - * @adev: amdgpu_device pointer
>> - * @cpu_pt_addr: cpu address of the page table
>> - * @gpu_page_idx: entry in the page table to update
>> - * @addr: dst addr to write into pte/pde
>> - * @flags: access flags
>> +/*
>> + * PTE format on VEGA 10:
>> + * 63:59 reserved
>> + * 58:57 mtype
>> + * 56 F
>> + * 55 L
>> + * 54 P
>> + * 53 SW
>> + * 52 T
>> + * 50:48 reserved
>> + * 47:12 4k physical page base address
>> + * 11:7 fragment
>> + * 6 write
>> + * 5 read
>> + * 4 exe
>> + * 3 Z
>> + * 2 snooped
>> + * 1 system
>> + * 0 valid
>> *
>> - * Update the page tables using the CPU.
>> + * PDE format on VEGA 10:
>> + * 63:59 block fragment size
>> + * 58:55 reserved
>> + * 54 P
>> + * 53:48 reserved
>> + * 47:6 physical base address of PD or PTE
>> + * 5:3 reserved
>> + * 2 C
>> + * 1 system
>> + * 0 valid
>> */
>> -static int gmc_v9_0_set_pte_pde(struct amdgpu_device *adev, void
>> *cpu_pt_addr,
>> - uint32_t gpu_page_idx, uint64_t addr,
>> - uint64_t flags)
>> -{
>> - void __iomem *ptr = (void *)cpu_pt_addr;
>> - uint64_t value;
>> -
>> - /*
>> - * PTE format on VEGA 10:
>> - * 63:59 reserved
>> - * 58:57 mtype
>> - * 56 F
>> - * 55 L
>> - * 54 P
>> - * 53 SW
>> - * 52 T
>> - * 50:48 reserved
>> - * 47:12 4k physical page base address
>> - * 11:7 fragment
>> - * 6 write
>> - * 5 read
>> - * 4 exe
>> - * 3 Z
>> - * 2 snooped
>> - * 1 system
>> - * 0 valid
>> - *
>> - * PDE format on VEGA 10:
>> - * 63:59 block fragment size
>> - * 58:55 reserved
>> - * 54 P
>> - * 53:48 reserved
>> - * 47:6 physical base address of PD or PTE
>> - * 5:3 reserved
>> - * 2 C
>> - * 1 system
>> - * 0 valid
>> - */
>> -
>> - /*
>> - * The following is for PTE only. GART does not have PDEs.
>> - */
>> - value = addr & 0x0000FFFFFFFFF000ULL;
>> - value |= flags;
>> - writeq(value, ptr + (gpu_page_idx * 8));
>> - return 0;
>> -}
>> static uint64_t gmc_v9_0_get_vm_pte_flags(struct amdgpu_device
>> *adev,
>> uint32_t flags)
>> @@ -593,7 +566,6 @@ static const struct amdgpu_gmc_funcs
>> gmc_v9_0_gmc_funcs = {
>> .flush_gpu_tlb = gmc_v9_0_flush_gpu_tlb,
>> .emit_flush_gpu_tlb = gmc_v9_0_emit_flush_gpu_tlb,
>> .emit_pasid_mapping = gmc_v9_0_emit_pasid_mapping,
>> - .set_pte_pde = gmc_v9_0_set_pte_pde,
>> .get_vm_pte_flags = gmc_v9_0_get_vm_pte_flags,
>> .get_vm_pde = gmc_v9_0_get_vm_pde
>> };
>
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