From: fei.yang@intel.com
To: intel-gfx@lists.freedesktop.org
Cc: Fei Yang <fei.yang@intel.com>, dri-devel@lists.freedesktop.org
Subject: [PATCH 3/9] drm/i915/mtl: Add PTE encode function
Date: Mon, 10 Apr 2023 21:26:07 -0700 [thread overview]
Message-ID: <20230411042613.3178711-4-fei.yang@intel.com> (raw)
In-Reply-To: <20230411042613.3178711-1-fei.yang@intel.com>
From: Fei Yang <fei.yang@intel.com>
PTE encode functions are platform dependent. This patch implements
PTE functions for MTL, and ensures the correct PTE encode function
is used by calling pte_encode function pointer instead of the
hardcoded gen8 version of PTE encode.
Signed-off-by: Fei Yang <fei.yang@intel.com>
---
drivers/gpu/drm/i915/display/intel_dpt.c | 2 +-
drivers/gpu/drm/i915/gt/gen8_ppgtt.c | 45 ++++++++++++++++++++----
drivers/gpu/drm/i915/gt/gen8_ppgtt.h | 3 ++
drivers/gpu/drm/i915/gt/intel_ggtt.c | 36 +++++++++++++++++--
4 files changed, 75 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dpt.c b/drivers/gpu/drm/i915/display/intel_dpt.c
index b8027392144d..c5eacfdba1a5 100644
--- a/drivers/gpu/drm/i915/display/intel_dpt.c
+++ b/drivers/gpu/drm/i915/display/intel_dpt.c
@@ -300,7 +300,7 @@ intel_dpt_create(struct intel_framebuffer *fb)
vm->vma_ops.bind_vma = dpt_bind_vma;
vm->vma_ops.unbind_vma = dpt_unbind_vma;
- vm->pte_encode = gen8_ggtt_pte_encode;
+ vm->pte_encode = vm->gt->ggtt->vm.pte_encode;
dpt->obj = dpt_obj;
dpt->obj->is_dpt = true;
diff --git a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
index 4daaa6f55668..11b91e0453c8 100644
--- a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
+++ b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
@@ -55,6 +55,34 @@ static u64 gen8_pte_encode(dma_addr_t addr,
return pte;
}
+static u64 mtl_pte_encode(dma_addr_t addr,
+ enum i915_cache_level level,
+ u32 flags)
+{
+ gen8_pte_t pte = addr | GEN8_PAGE_PRESENT | GEN8_PAGE_RW;
+
+ if (unlikely(flags & PTE_READ_ONLY))
+ pte &= ~GEN8_PAGE_RW;
+
+ if (flags & PTE_LM)
+ pte |= GEN12_PPGTT_PTE_LM | GEN12_PPGTT_PTE_NC;
+
+ switch (level) {
+ case I915_CACHE_NONE:
+ pte |= GEN12_PPGTT_PTE_PAT1;
+ break;
+ case I915_CACHE_LLC:
+ case I915_CACHE_L3_LLC:
+ pte |= GEN12_PPGTT_PTE_PAT0 | GEN12_PPGTT_PTE_PAT1;
+ break;
+ case I915_CACHE_WT:
+ pte |= GEN12_PPGTT_PTE_PAT0;
+ break;
+ }
+
+ return pte;
+}
+
static void gen8_ppgtt_notify_vgt(struct i915_ppgtt *ppgtt, bool create)
{
struct drm_i915_private *i915 = ppgtt->vm.i915;
@@ -427,7 +455,7 @@ gen8_ppgtt_insert_pte(struct i915_ppgtt *ppgtt,
u32 flags)
{
struct i915_page_directory *pd;
- const gen8_pte_t pte_encode = gen8_pte_encode(0, cache_level, flags);
+ const gen8_pte_t pte_encode = ppgtt->vm.pte_encode(0, cache_level, flags);
gen8_pte_t *vaddr;
pd = i915_pd_entry(pdp, gen8_pd_index(idx, 2));
@@ -580,7 +608,7 @@ static void gen8_ppgtt_insert_huge(struct i915_address_space *vm,
enum i915_cache_level cache_level,
u32 flags)
{
- const gen8_pte_t pte_encode = gen8_pte_encode(0, cache_level, flags);
+ const gen8_pte_t pte_encode = vm->pte_encode(0, cache_level, flags);
unsigned int rem = sg_dma_len(iter->sg);
u64 start = vma_res->start;
@@ -743,7 +771,7 @@ static void gen8_ppgtt_insert_entry(struct i915_address_space *vm,
GEM_BUG_ON(pt->is_compact);
vaddr = px_vaddr(pt);
- vaddr[gen8_pd_index(idx, 0)] = gen8_pte_encode(addr, level, flags);
+ vaddr[gen8_pd_index(idx, 0)] = vm->pte_encode(addr, level, flags);
drm_clflush_virt_range(&vaddr[gen8_pd_index(idx, 0)], sizeof(*vaddr));
}
@@ -773,7 +801,7 @@ static void __xehpsdv_ppgtt_insert_entry_lm(struct i915_address_space *vm,
}
vaddr = px_vaddr(pt);
- vaddr[gen8_pd_index(idx, 0) / 16] = gen8_pte_encode(addr, level, flags);
+ vaddr[gen8_pd_index(idx, 0) / 16] = vm->pte_encode(addr, level, flags);
}
static void xehpsdv_ppgtt_insert_entry(struct i915_address_space *vm,
@@ -820,8 +848,8 @@ static int gen8_init_scratch(struct i915_address_space *vm)
pte_flags |= PTE_LM;
vm->scratch[0]->encode =
- gen8_pte_encode(px_dma(vm->scratch[0]),
- I915_CACHE_NONE, pte_flags);
+ vm->pte_encode(px_dma(vm->scratch[0]),
+ I915_CACHE_NONE, pte_flags);
for (i = 1; i <= vm->top; i++) {
struct drm_i915_gem_object *obj;
@@ -963,7 +991,10 @@ struct i915_ppgtt *gen8_ppgtt_create(struct intel_gt *gt,
*/
ppgtt->vm.alloc_scratch_dma = alloc_pt_dma;
- ppgtt->vm.pte_encode = gen8_pte_encode;
+ if (GRAPHICS_VER_FULL(gt->i915) >= IP_VER(12, 70))
+ ppgtt->vm.pte_encode = mtl_pte_encode;
+ else
+ ppgtt->vm.pte_encode = gen8_pte_encode;
ppgtt->vm.bind_async_flags = I915_VMA_LOCAL_BIND;
ppgtt->vm.insert_entries = gen8_ppgtt_insert;
diff --git a/drivers/gpu/drm/i915/gt/gen8_ppgtt.h b/drivers/gpu/drm/i915/gt/gen8_ppgtt.h
index f541d19264b4..6b8ce7f4d25a 100644
--- a/drivers/gpu/drm/i915/gt/gen8_ppgtt.h
+++ b/drivers/gpu/drm/i915/gt/gen8_ppgtt.h
@@ -18,5 +18,8 @@ struct i915_ppgtt *gen8_ppgtt_create(struct intel_gt *gt,
u64 gen8_ggtt_pte_encode(dma_addr_t addr,
enum i915_cache_level level,
u32 flags);
+u64 mtl_ggtt_pte_encode(dma_addr_t addr,
+ unsigned int pat_index,
+ u32 flags);
#endif
diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt.c b/drivers/gpu/drm/i915/gt/intel_ggtt.c
index 3c7f1ed92f5b..ba3109338aee 100644
--- a/drivers/gpu/drm/i915/gt/intel_ggtt.c
+++ b/drivers/gpu/drm/i915/gt/intel_ggtt.c
@@ -220,6 +220,33 @@ static void guc_ggtt_invalidate(struct i915_ggtt *ggtt)
}
}
+u64 mtl_ggtt_pte_encode(dma_addr_t addr,
+ enum i915_cache_level level,
+ u32 flags)
+{
+ gen8_pte_t pte = addr | GEN8_PAGE_PRESENT;
+
+ GEM_BUG_ON(addr & ~GEN12_GGTT_PTE_ADDR_MASK);
+
+ if (flags & PTE_LM)
+ pte |= GEN12_GGTT_PTE_LM;
+
+ switch (level) {
+ case I915_CACHE_NONE:
+ pte |= MTL_GGTT_PTE_PAT1;
+ break;
+ case I915_CACHE_LLC:
+ case I915_CACHE_L3_LLC:
+ pte |= MTL_GGTT_PTE_PAT0 | MTL_GGTT_PTE_PAT1;
+ break;
+ case I915_CACHE_WT:
+ pte |= MTL_GGTT_PTE_PAT0;
+ break;
+ }
+
+ return pte;
+}
+
u64 gen8_ggtt_pte_encode(dma_addr_t addr,
enum i915_cache_level level,
u32 flags)
@@ -247,7 +274,7 @@ static void gen8_ggtt_insert_page(struct i915_address_space *vm,
gen8_pte_t __iomem *pte =
(gen8_pte_t __iomem *)ggtt->gsm + offset / I915_GTT_PAGE_SIZE;
- gen8_set_pte(pte, gen8_ggtt_pte_encode(addr, level, flags));
+ gen8_set_pte(pte, ggtt->vm.pte_encode(addr, level, flags));
ggtt->invalidate(ggtt);
}
@@ -257,8 +284,8 @@ static void gen8_ggtt_insert_entries(struct i915_address_space *vm,
enum i915_cache_level level,
u32 flags)
{
- const gen8_pte_t pte_encode = gen8_ggtt_pte_encode(0, level, flags);
struct i915_ggtt *ggtt = i915_vm_to_ggtt(vm);
+ const gen8_pte_t pte_encode = ggtt->vm.pte_encode(0, level, flags);
gen8_pte_t __iomem *gte;
gen8_pte_t __iomem *end;
struct sgt_iter iter;
@@ -981,7 +1008,10 @@ static int gen8_gmch_probe(struct i915_ggtt *ggtt)
ggtt->vm.vma_ops.bind_vma = intel_ggtt_bind_vma;
ggtt->vm.vma_ops.unbind_vma = intel_ggtt_unbind_vma;
- ggtt->vm.pte_encode = gen8_ggtt_pte_encode;
+ if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70))
+ ggtt->vm.pte_encode = mtl_ggtt_pte_encode;
+ else
+ ggtt->vm.pte_encode = gen8_ggtt_pte_encode;
return ggtt_probe_common(ggtt, size);
}
--
2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: fei.yang@intel.com
To: intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH 3/9] drm/i915/mtl: Add PTE encode function
Date: Mon, 10 Apr 2023 21:26:07 -0700 [thread overview]
Message-ID: <20230411042613.3178711-4-fei.yang@intel.com> (raw)
In-Reply-To: <20230411042613.3178711-1-fei.yang@intel.com>
From: Fei Yang <fei.yang@intel.com>
PTE encode functions are platform dependent. This patch implements
PTE functions for MTL, and ensures the correct PTE encode function
is used by calling pte_encode function pointer instead of the
hardcoded gen8 version of PTE encode.
Signed-off-by: Fei Yang <fei.yang@intel.com>
---
drivers/gpu/drm/i915/display/intel_dpt.c | 2 +-
drivers/gpu/drm/i915/gt/gen8_ppgtt.c | 45 ++++++++++++++++++++----
drivers/gpu/drm/i915/gt/gen8_ppgtt.h | 3 ++
drivers/gpu/drm/i915/gt/intel_ggtt.c | 36 +++++++++++++++++--
4 files changed, 75 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dpt.c b/drivers/gpu/drm/i915/display/intel_dpt.c
index b8027392144d..c5eacfdba1a5 100644
--- a/drivers/gpu/drm/i915/display/intel_dpt.c
+++ b/drivers/gpu/drm/i915/display/intel_dpt.c
@@ -300,7 +300,7 @@ intel_dpt_create(struct intel_framebuffer *fb)
vm->vma_ops.bind_vma = dpt_bind_vma;
vm->vma_ops.unbind_vma = dpt_unbind_vma;
- vm->pte_encode = gen8_ggtt_pte_encode;
+ vm->pte_encode = vm->gt->ggtt->vm.pte_encode;
dpt->obj = dpt_obj;
dpt->obj->is_dpt = true;
diff --git a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
index 4daaa6f55668..11b91e0453c8 100644
--- a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
+++ b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
@@ -55,6 +55,34 @@ static u64 gen8_pte_encode(dma_addr_t addr,
return pte;
}
+static u64 mtl_pte_encode(dma_addr_t addr,
+ enum i915_cache_level level,
+ u32 flags)
+{
+ gen8_pte_t pte = addr | GEN8_PAGE_PRESENT | GEN8_PAGE_RW;
+
+ if (unlikely(flags & PTE_READ_ONLY))
+ pte &= ~GEN8_PAGE_RW;
+
+ if (flags & PTE_LM)
+ pte |= GEN12_PPGTT_PTE_LM | GEN12_PPGTT_PTE_NC;
+
+ switch (level) {
+ case I915_CACHE_NONE:
+ pte |= GEN12_PPGTT_PTE_PAT1;
+ break;
+ case I915_CACHE_LLC:
+ case I915_CACHE_L3_LLC:
+ pte |= GEN12_PPGTT_PTE_PAT0 | GEN12_PPGTT_PTE_PAT1;
+ break;
+ case I915_CACHE_WT:
+ pte |= GEN12_PPGTT_PTE_PAT0;
+ break;
+ }
+
+ return pte;
+}
+
static void gen8_ppgtt_notify_vgt(struct i915_ppgtt *ppgtt, bool create)
{
struct drm_i915_private *i915 = ppgtt->vm.i915;
@@ -427,7 +455,7 @@ gen8_ppgtt_insert_pte(struct i915_ppgtt *ppgtt,
u32 flags)
{
struct i915_page_directory *pd;
- const gen8_pte_t pte_encode = gen8_pte_encode(0, cache_level, flags);
+ const gen8_pte_t pte_encode = ppgtt->vm.pte_encode(0, cache_level, flags);
gen8_pte_t *vaddr;
pd = i915_pd_entry(pdp, gen8_pd_index(idx, 2));
@@ -580,7 +608,7 @@ static void gen8_ppgtt_insert_huge(struct i915_address_space *vm,
enum i915_cache_level cache_level,
u32 flags)
{
- const gen8_pte_t pte_encode = gen8_pte_encode(0, cache_level, flags);
+ const gen8_pte_t pte_encode = vm->pte_encode(0, cache_level, flags);
unsigned int rem = sg_dma_len(iter->sg);
u64 start = vma_res->start;
@@ -743,7 +771,7 @@ static void gen8_ppgtt_insert_entry(struct i915_address_space *vm,
GEM_BUG_ON(pt->is_compact);
vaddr = px_vaddr(pt);
- vaddr[gen8_pd_index(idx, 0)] = gen8_pte_encode(addr, level, flags);
+ vaddr[gen8_pd_index(idx, 0)] = vm->pte_encode(addr, level, flags);
drm_clflush_virt_range(&vaddr[gen8_pd_index(idx, 0)], sizeof(*vaddr));
}
@@ -773,7 +801,7 @@ static void __xehpsdv_ppgtt_insert_entry_lm(struct i915_address_space *vm,
}
vaddr = px_vaddr(pt);
- vaddr[gen8_pd_index(idx, 0) / 16] = gen8_pte_encode(addr, level, flags);
+ vaddr[gen8_pd_index(idx, 0) / 16] = vm->pte_encode(addr, level, flags);
}
static void xehpsdv_ppgtt_insert_entry(struct i915_address_space *vm,
@@ -820,8 +848,8 @@ static int gen8_init_scratch(struct i915_address_space *vm)
pte_flags |= PTE_LM;
vm->scratch[0]->encode =
- gen8_pte_encode(px_dma(vm->scratch[0]),
- I915_CACHE_NONE, pte_flags);
+ vm->pte_encode(px_dma(vm->scratch[0]),
+ I915_CACHE_NONE, pte_flags);
for (i = 1; i <= vm->top; i++) {
struct drm_i915_gem_object *obj;
@@ -963,7 +991,10 @@ struct i915_ppgtt *gen8_ppgtt_create(struct intel_gt *gt,
*/
ppgtt->vm.alloc_scratch_dma = alloc_pt_dma;
- ppgtt->vm.pte_encode = gen8_pte_encode;
+ if (GRAPHICS_VER_FULL(gt->i915) >= IP_VER(12, 70))
+ ppgtt->vm.pte_encode = mtl_pte_encode;
+ else
+ ppgtt->vm.pte_encode = gen8_pte_encode;
ppgtt->vm.bind_async_flags = I915_VMA_LOCAL_BIND;
ppgtt->vm.insert_entries = gen8_ppgtt_insert;
diff --git a/drivers/gpu/drm/i915/gt/gen8_ppgtt.h b/drivers/gpu/drm/i915/gt/gen8_ppgtt.h
index f541d19264b4..6b8ce7f4d25a 100644
--- a/drivers/gpu/drm/i915/gt/gen8_ppgtt.h
+++ b/drivers/gpu/drm/i915/gt/gen8_ppgtt.h
@@ -18,5 +18,8 @@ struct i915_ppgtt *gen8_ppgtt_create(struct intel_gt *gt,
u64 gen8_ggtt_pte_encode(dma_addr_t addr,
enum i915_cache_level level,
u32 flags);
+u64 mtl_ggtt_pte_encode(dma_addr_t addr,
+ unsigned int pat_index,
+ u32 flags);
#endif
diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt.c b/drivers/gpu/drm/i915/gt/intel_ggtt.c
index 3c7f1ed92f5b..ba3109338aee 100644
--- a/drivers/gpu/drm/i915/gt/intel_ggtt.c
+++ b/drivers/gpu/drm/i915/gt/intel_ggtt.c
@@ -220,6 +220,33 @@ static void guc_ggtt_invalidate(struct i915_ggtt *ggtt)
}
}
+u64 mtl_ggtt_pte_encode(dma_addr_t addr,
+ enum i915_cache_level level,
+ u32 flags)
+{
+ gen8_pte_t pte = addr | GEN8_PAGE_PRESENT;
+
+ GEM_BUG_ON(addr & ~GEN12_GGTT_PTE_ADDR_MASK);
+
+ if (flags & PTE_LM)
+ pte |= GEN12_GGTT_PTE_LM;
+
+ switch (level) {
+ case I915_CACHE_NONE:
+ pte |= MTL_GGTT_PTE_PAT1;
+ break;
+ case I915_CACHE_LLC:
+ case I915_CACHE_L3_LLC:
+ pte |= MTL_GGTT_PTE_PAT0 | MTL_GGTT_PTE_PAT1;
+ break;
+ case I915_CACHE_WT:
+ pte |= MTL_GGTT_PTE_PAT0;
+ break;
+ }
+
+ return pte;
+}
+
u64 gen8_ggtt_pte_encode(dma_addr_t addr,
enum i915_cache_level level,
u32 flags)
@@ -247,7 +274,7 @@ static void gen8_ggtt_insert_page(struct i915_address_space *vm,
gen8_pte_t __iomem *pte =
(gen8_pte_t __iomem *)ggtt->gsm + offset / I915_GTT_PAGE_SIZE;
- gen8_set_pte(pte, gen8_ggtt_pte_encode(addr, level, flags));
+ gen8_set_pte(pte, ggtt->vm.pte_encode(addr, level, flags));
ggtt->invalidate(ggtt);
}
@@ -257,8 +284,8 @@ static void gen8_ggtt_insert_entries(struct i915_address_space *vm,
enum i915_cache_level level,
u32 flags)
{
- const gen8_pte_t pte_encode = gen8_ggtt_pte_encode(0, level, flags);
struct i915_ggtt *ggtt = i915_vm_to_ggtt(vm);
+ const gen8_pte_t pte_encode = ggtt->vm.pte_encode(0, level, flags);
gen8_pte_t __iomem *gte;
gen8_pte_t __iomem *end;
struct sgt_iter iter;
@@ -981,7 +1008,10 @@ static int gen8_gmch_probe(struct i915_ggtt *ggtt)
ggtt->vm.vma_ops.bind_vma = intel_ggtt_bind_vma;
ggtt->vm.vma_ops.unbind_vma = intel_ggtt_unbind_vma;
- ggtt->vm.pte_encode = gen8_ggtt_pte_encode;
+ if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70))
+ ggtt->vm.pte_encode = mtl_ggtt_pte_encode;
+ else
+ ggtt->vm.pte_encode = gen8_ggtt_pte_encode;
return ggtt_probe_common(ggtt, size);
}
--
2.25.1
next prev parent reply other threads:[~2023-04-11 4:25 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-11 4:26 [PATCH 0/9] drm/i915/mtl: Define MOCS and PAT tables for MTL fei.yang
2023-04-11 4:26 ` [Intel-gfx] " fei.yang
2023-04-11 4:26 ` [PATCH 1/9] drm/i915/mtl: Set has_llc=0 fei.yang
2023-04-11 4:26 ` [Intel-gfx] " fei.yang
2023-04-11 4:26 ` [PATCH 2/9] drm/i915/mtl: Define MOCS and PAT tables for MTL fei.yang
2023-04-11 4:26 ` [Intel-gfx] " fei.yang
2023-04-11 4:26 ` fei.yang [this message]
2023-04-11 4:26 ` [Intel-gfx] [PATCH 3/9] drm/i915/mtl: Add PTE encode function fei.yang
2023-04-11 4:26 ` [PATCH 4/9] drm/i915/mtl: workaround coherency issue for Media fei.yang
2023-04-11 4:26 ` [Intel-gfx] " fei.yang
2023-04-11 4:26 ` [PATCH 5/9] drm/i915/mtl: end support for set caching ioctl fei.yang
2023-04-11 4:26 ` [Intel-gfx] " fei.yang
2023-04-11 4:26 ` [PATCH 6/9] drm/i915: preparation for using PAT index fei.yang
2023-04-11 4:26 ` [Intel-gfx] " fei.yang
2023-04-11 4:26 ` [PATCH 7/9] drm/i915: use pat_index instead of cache_level fei.yang
2023-04-11 4:26 ` [Intel-gfx] " fei.yang
2023-04-11 4:26 ` [PATCH 8/9] drm/i915: making mtl pte encode generic for gen12 fei.yang
2023-04-11 4:26 ` [Intel-gfx] " fei.yang
2023-04-11 4:26 ` [PATCH 9/9] drm/i915: Allow user to set cache at BO creation fei.yang
2023-04-11 4:26 ` [Intel-gfx] " fei.yang
2023-04-11 4:51 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915/mtl: Define MOCS and PAT tables for MTL (rev3) Patchwork
2023-04-11 4:51 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2023-04-11 5:05 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2023-04-14 6:46 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915/mtl: Define MOCS and PAT tables for MTL (rev4) Patchwork
2023-04-14 6:46 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2023-04-14 11:23 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
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