From: Christian König <christian.koe...@amd.com>
Add a flag noting that a BO must be created using linear VRAM
and set this flag on all in kernel users where appropriate.
Hopefully I haven't missed anything.
v2: add it in a few more places, fix CPU mapping.
Signed-off-by: Christian König <christian.koe...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 6 ++++--
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 31 ++++++++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 ++-
drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | 3 ++-
drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 3 ++-
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 12 ++++++++++--
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 3 ++-
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 10 ++++++++--
drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 9 +++++++--
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 6 ++++--
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 9 ++++++---
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 6 ++++--
include/uapi/drm/amdgpu_drm.h | 2 ++
14 files changed, 85 insertions(+), 19 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 545789f..b2d95a9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -2499,6 +2499,7 @@ static inline void amdgpu_acpi_fini(struct amdgpu_device
*adev) { }
struct amdgpu_bo_va_mapping *
amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
uint64_t addr, struct amdgpu_bo **bo);
+int amdgpu_cs_make_bos_linear(struct amdgpu_cs_parser *parser);
#if defined(CONFIG_DRM_AMD_DAL)
int amdgpu_dm_display_resume(struct amdgpu_device *adev );
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index 040993c..c2dfcd3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -146,7 +146,8 @@ static int amdgpu_cgs_alloc_gpu_mem(struct cgs_device
*cgs_device,
switch(type) {
case CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB:
case CGS_GPU_MEM_TYPE__VISIBLE_FB:
- flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
+ flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR;
domain = AMDGPU_GEM_DOMAIN_VRAM;
if (max_offset > adev->mc.real_vram_size)
return -EINVAL;
@@ -157,7 +158,8 @@ static int amdgpu_cgs_alloc_gpu_mem(struct cgs_device
*cgs_device,
break;
case CGS_GPU_MEM_TYPE__INVISIBLE_CONTIG_FB:
case CGS_GPU_MEM_TYPE__INVISIBLE_FB:
- flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS;
+ flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR;
domain = AMDGPU_GEM_DOMAIN_VRAM;
if (adev->mc.visible_vram_size < adev->mc.real_vram_size) {
place.fpfn =
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index b0e11ca..108408b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -1097,3 +1097,34 @@ amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
return NULL;
}
+
+/**
+ * amdgpu_cs_make_bos_linear - mark all BOs in this CS as linear
+ *
+ * @parser: command submission parser context
+ *
+ * Helper for UVD/VCE VM emulation, mark all BOs in this CS as linear.
+ */
+int amdgpu_cs_make_bos_linear(struct amdgpu_cs_parser *parser)
+{
+ unsigned i;
+ int r;
+
+ if (!parser->bo_list)
+ return 0;
+
+ for (i = 0; i < parser->bo_list->num_entries; i++) {
+ struct amdgpu_bo *bo = parser->bo_list->array[i].robj;
+
+ if (bo->flags |= AMDGPU_GEM_CREATE_VRAM_LINEAR)
+ continue;
+
+ bo->flags |= AMDGPU_GEM_CREATE_VRAM_LINEAR;
+ amdgpu_ttm_placement_from_domain(bo, bo->allowed_domains);
+ r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
+ if (unlikely(r))
+ return r;
+ }
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 1b31a7c..38f5315 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -256,7 +256,8 @@ static int amdgpu_vram_scratch_init(struct amdgpu_device
*adev)
if (adev->vram_scratch.robj == NULL) {
r = amdgpu_bo_create(adev, AMDGPU_GPU_PAGE_SIZE,
PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM,
- AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
+ AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR,
NULL, NULL, &adev->vram_scratch.robj);
if (r) {
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index e694c99..efa9b79 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -120,7 +120,8 @@ static int amdgpufb_create_pinned_object(struct
amdgpu_fbdev *rfbdev,
aligned_size = ALIGN(size, PAGE_SIZE);
ret = amdgpu_gem_object_create(adev, aligned_size, 0,
AMDGPU_GEM_DOMAIN_VRAM,
- AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
+ AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR,
true, &gobj);
if (ret) {
printk(KERN_ERR "failed to allocate framebuffer (%d)\n",
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index 0feea34..b5982a9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -126,7 +126,8 @@ int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev)
if (adev->gart.robj == NULL) {
r = amdgpu_bo_create(adev, adev->gart.table_size,
PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM,
- AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
+ AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR,
NULL, NULL, &adev->gart.robj);
if (r) {
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index b17734e..6f83909 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -247,7 +247,8 @@ int amdgpu_bo_create_kernel(struct amdgpu_device *adev,
int r;
r = amdgpu_bo_create(adev, size, align, true, domain,
- AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
+ AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR,
NULL, NULL, bo_ptr);
if (r) {
dev_err(adev->dev, "(%d) failed to allocate kernel bo\n", r);
@@ -617,6 +618,8 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32
domain,
return 0;
}
+
+ bo->flags |= AMDGPU_GEM_CREATE_VRAM_LINEAR;
amdgpu_ttm_placement_from_domain(bo, domain);
for (i = 0; i < bo->placement.num_placement; i++) {
/* force to pin into visible video ram */
@@ -854,7 +857,9 @@ int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object
*bo)
size = bo->mem.num_pages << PAGE_SHIFT;
offset = bo->mem.start << PAGE_SHIFT;
- if ((offset + size) <= adev->mc.visible_vram_size)
+ /* TODO: figure out how to map scattered VRAM to the CPU */
+ if ((offset + size) <= adev->mc.visible_vram_size &&
+ (abo->flags & AMDGPU_GEM_CREATE_VRAM_LINEAR))
return 0;
/* Can't move a pinned BO to visible VRAM */
@@ -862,6 +867,7 @@ int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object
*bo)
return -EINVAL;
/* hurrah the memory is not visible ! */
+ abo->flags |= AMDGPU_GEM_CREATE_VRAM_LINEAR;
amdgpu_ttm_placement_from_domain(abo, AMDGPU_GEM_DOMAIN_VRAM);
lpfn = adev->mc.visible_vram_size >> PAGE_SHIFT;
for (i = 0; i < abo->placement.num_placement; i++) {
@@ -920,6 +926,8 @@ u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo)
WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_SYSTEM);
WARN_ON_ONCE(!ww_mutex_is_locked(&bo->tbo.resv->lock) &&
!bo->pin_count);
+ WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_VRAM &&
+ !(bo->flags & AMDGPU_GEM_CREATE_VRAM_LINEAR));
return bo->tbo.offset;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index e2f6a46..ea480bb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1024,7 +1024,8 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
r = amdgpu_bo_create(adev, 256 * 1024, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
- AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
+ AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR,
NULL, NULL, &adev->stollen_vga_memory);
if (r) {
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index 5888e8a..5f5380c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -891,6 +891,10 @@ int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser
*parser, uint32_t ib_idx)
return -EINVAL;
}
+ r = amdgpu_cs_make_bos_linear(parser);
+ if (r)
+ return r;
+
ctx.parser = parser;
ctx.buf_sizes = buf_sizes;
ctx.ib_idx = ib_idx;
@@ -1007,7 +1011,8 @@ int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring,
uint32_t handle,
r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
- AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
+ AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR,
NULL, NULL, &bo);
if (r)
return r;
@@ -1056,7 +1061,8 @@ int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring,
uint32_t handle,
r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
- AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
+ AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR,
NULL, NULL, &bo);
if (r)
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index 9b71d6c..bb97a8e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -157,7 +157,8 @@ int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned
long size)
r = amdgpu_bo_create(adev, size, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
- AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
+ AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR,
NULL, NULL, &adev->vce.vcpu_bo);
if (r) {
dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r);
@@ -634,7 +635,11 @@ int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p,
uint32_t ib_idx)
uint32_t allocated = 0;
uint32_t tmp, handle = 0;
uint32_t *size = &tmp;
- int i, r = 0, idx = 0;
+ int i, r, idx = 0;
+
+ r = amdgpu_cs_make_bos_linear(p);
+ if (r)
+ return r;
while (idx < ib->length_dw) {
uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 7660f82..ea1bd67 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1398,7 +1398,8 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev,
AMDGPU_GPU_PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_NO_CPU_ACCESS |
- AMDGPU_GEM_CREATE_SHADOW,
+ AMDGPU_GEM_CREATE_SHADOW |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR,
NULL, resv, &pt);
if (r)
goto error_free;
@@ -1598,7 +1599,8 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct
amdgpu_vm *vm)
r = amdgpu_bo_create(adev, pd_size, align, true,
AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_NO_CPU_ACCESS |
- AMDGPU_GEM_CREATE_SHADOW,
+ AMDGPU_GEM_CREATE_SHADOW |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR,
NULL, NULL, &vm->page_directory);
if (r)
goto error_free_sched_entity;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index f055d49..1517a8c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -3213,7 +3213,8 @@ static int gfx_v7_0_rlc_init(struct amdgpu_device *adev)
if (adev->gfx.rlc.save_restore_obj == NULL) {
r = amdgpu_bo_create(adev, dws * 4, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
-
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
+
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR,
NULL, NULL,
&adev->gfx.rlc.save_restore_obj);
if (r) {
@@ -3257,7 +3258,8 @@ static int gfx_v7_0_rlc_init(struct amdgpu_device *adev)
if (adev->gfx.rlc.clear_state_obj == NULL) {
r = amdgpu_bo_create(adev, dws * 4, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
-
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
+
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR,
NULL, NULL,
&adev->gfx.rlc.clear_state_obj);
if (r) {
@@ -3297,7 +3299,8 @@ static int gfx_v7_0_rlc_init(struct amdgpu_device *adev)
if (adev->gfx.rlc.cp_table_obj == NULL) {
r = amdgpu_bo_create(adev, adev->gfx.rlc.cp_table_size,
PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
-
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
+
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR,
NULL, NULL,
&adev->gfx.rlc.cp_table_obj);
if (r) {
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 6e01392..26e614e 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -1273,7 +1273,8 @@ static int gfx_v8_0_rlc_init(struct amdgpu_device *adev)
if (adev->gfx.rlc.clear_state_obj == NULL) {
r = amdgpu_bo_create(adev, dws * 4, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
-
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
+
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR,
NULL, NULL,
&adev->gfx.rlc.clear_state_obj);
if (r) {
@@ -1315,7 +1316,8 @@ static int gfx_v8_0_rlc_init(struct amdgpu_device *adev)
if (adev->gfx.rlc.cp_table_obj == NULL) {
r = amdgpu_bo_create(adev, adev->gfx.rlc.cp_table_size,
PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
-
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
+
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_VRAM_LINEAR,
NULL, NULL,
&adev->gfx.rlc.cp_table_obj);
if (r) {
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 403b676..2aede6a 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -79,6 +79,8 @@
#define AMDGPU_GEM_CREATE_VRAM_CLEARED (1 << 3)
/* Flag that create shadow bo(GTT) while allocating vram bo */
#define AMDGPU_GEM_CREATE_SHADOW (1 << 4)
+/* Flag that allocating the BO should use linear VRAM */
+#define AMDGPU_GEM_CREATE_VRAM_LINEAR (1 << 5)
struct drm_amdgpu_gem_create_in {
/** the requested memory size */
--
2.5.0
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