From cf8b52ee08e2e820be34bd34f5a8b92ff1dccd9b Mon Sep 17 00:00:00 2001 From: Yong Zhao Date: Mon, 25 Feb 2019 12:56:53 -0500 Subject: [PATCH 1474/2940] drm/amdgpu: Eliminate the set_pde_pte function pointer in amdgpu_gmc_funcs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Christian König --- 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 59b7c34a9f92..98d0b4e54189 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) (adev)->gmc.gmc_funcs->flush_gpu_tlb((adev), (vmid)) #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 73ad02aea2b2..5e3b5952c397 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c @@ -382,20 +382,6 @@ 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) { @@ -1168,7 +1154,6 @@ 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 e276cae18e12..7a0979eb2d6e 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -459,31 +459,6 @@ 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 da7374cb4e6b..c12b939a0273 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -667,50 +667,26 @@ 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) @@ -1749,7 +1725,6 @@ 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 c637dd270d87..1a278b771593 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -522,64 +522,37 @@ 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) @@ -649,7 +622,6 @@ 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 }; -- 2.17.1