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drm/radeon: Allow write-combined CPU mappings of BOs in GTT (v2)

Browse Source 
v2: fix rebase onto drm-fixes

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer 2014-07-17 19:01:08 +09:00 committed by Alex Deucher
parent 77497f2735
commit 02376d8282
21 changed files with 70 additions and 47 deletions
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4
drivers/gpu/drm/radeon/cik.c
View File

@ -4676,7 +4676,7 @@ static int cik_mec_init(struct radeon_device *rdev)
r = radeon_bo_create(rdev,
rdev->mec.num_mec *rdev->mec.num_pipe * MEC_HPD_SIZE * 2,
PAGE_SIZE, true,
RADEON_GEM_DOMAIN_GTT, NULL,
RADEON_GEM_DOMAIN_GTT, 0, NULL,
&rdev->mec.hpd_eop_obj);
if (r) {
dev_warn(rdev->dev, "(%d) create HDP EOP bo failed\n", r);
@ -4846,7 +4846,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev)
r = radeon_bo_create(rdev,
sizeof(struct bonaire_mqd),
PAGE_SIZE, true,
RADEON_GEM_DOMAIN_GTT, NULL,
RADEON_GEM_DOMAIN_GTT, 0, NULL,
&rdev->ring[idx].mqd_obj);
if (r) {
dev_warn(rdev->dev, "(%d) create MQD bo failed\n", r);

3
drivers/gpu/drm/radeon/cik_sdma.c
View File

@ -771,7 +771,8 @@ void cik_sdma_vm_set_page(struct radeon_device *rdev,
trace_radeon_vm_set_page(pe, addr, count, incr, flags);
if (flags == R600_PTE_GART) {
/* XXX: How to distinguish between GART and other system memory pages? */
if (flags & R600_PTE_SYSTEM) {
uint64_t src = rdev->gart.table_addr + (addr >> 12) * 8;
while (count) {
unsigned bytes = count * 8;

12
drivers/gpu/drm/radeon/evergreen.c
View File

@ -4022,7 +4022,8 @@ int sumo_rlc_init(struct radeon_device *rdev)
/* save restore block */
if (rdev->rlc.save_restore_obj == NULL) {
r = radeon_bo_create(rdev, dws * 4, PAGE_SIZE, true,
RADEON_GEM_DOMAIN_VRAM, NULL, &rdev->rlc.save_restore_obj);
RADEON_GEM_DOMAIN_VRAM, 0, NULL,
&rdev->rlc.save_restore_obj);
if (r) {
dev_warn(rdev->dev, "(%d) create RLC sr bo failed\n", r);
return r;
@ -4100,7 +4101,8 @@ int sumo_rlc_init(struct radeon_device *rdev)
if (rdev->rlc.clear_state_obj == NULL) {
r = radeon_bo_create(rdev, dws * 4, PAGE_SIZE, true,
RADEON_GEM_DOMAIN_VRAM, NULL, &rdev->rlc.clear_state_obj);
RADEON_GEM_DOMAIN_VRAM, 0, NULL,
&rdev->rlc.clear_state_obj);
if (r) {
dev_warn(rdev->dev, "(%d) create RLC c bo failed\n", r);
sumo_rlc_fini(rdev);
@ -4174,8 +4176,10 @@ int sumo_rlc_init(struct radeon_device *rdev)
if (rdev->rlc.cp_table_size) {
if (rdev->rlc.cp_table_obj == NULL) {
r = radeon_bo_create(rdev, rdev->rlc.cp_table_size, PAGE_SIZE, true,
RADEON_GEM_DOMAIN_VRAM, NULL, &rdev->rlc.cp_table_obj);
r = radeon_bo_create(rdev, rdev->rlc.cp_table_size,
PAGE_SIZE, true,
RADEON_GEM_DOMAIN_VRAM, 0, NULL,
&rdev->rlc.cp_table_obj);
if (r) {
dev_warn(rdev->dev, "(%d) create RLC cp table bo failed\n", r);
sumo_rlc_fini(rdev);

4
drivers/gpu/drm/radeon/r600.c
View File

@ -1338,7 +1338,7 @@ int r600_vram_scratch_init(struct radeon_device *rdev)
if (rdev->vram_scratch.robj == NULL) {
r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
NULL, &rdev->vram_scratch.robj);
0, NULL, &rdev->vram_scratch.robj);
if (r) {
return r;
}
@ -3226,7 +3226,7 @@ int r600_ih_ring_alloc(struct radeon_device *rdev)
if (rdev->ih.ring_obj == NULL) {
r = radeon_bo_create(rdev, rdev->ih.ring_size,
PAGE_SIZE, true,
RADEON_GEM_DOMAIN_GTT,
RADEON_GEM_DOMAIN_GTT, 0,
NULL, &rdev->ih.ring_obj);
if (r) {
DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r);

3
drivers/gpu/drm/radeon/radeon.h
View File

@ -468,6 +468,7 @@ struct radeon_bo {
struct ttm_placement placement;
struct ttm_buffer_object tbo;
struct ttm_bo_kmap_obj kmap;
u32 flags;
unsigned pin_count;
void *kptr;
u32 tiling_flags;
@ -548,7 +549,7 @@ int radeon_gem_init(struct radeon_device *rdev);
void radeon_gem_fini(struct radeon_device *rdev);
int radeon_gem_object_create(struct radeon_device *rdev, int size,
int alignment, int initial_domain,
bool discardable, bool kernel,
u32 flags, bool discardable, bool kernel,
struct drm_gem_object **obj);
int radeon_mode_dumb_create(struct drm_file *file_priv,

4
drivers/gpu/drm/radeon/radeon_benchmark.c
View File

@ -97,7 +97,7 @@ static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size,
int time;
n = RADEON_BENCHMARK_ITERATIONS;
r = radeon_bo_create(rdev, size, PAGE_SIZE, true, sdomain, NULL, &sobj);
r = radeon_bo_create(rdev, size, PAGE_SIZE, true, sdomain, 0, NULL, &sobj);
if (r) {
goto out_cleanup;
}
@ -109,7 +109,7 @@ static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size,
if (r) {
goto out_cleanup;
}
r = radeon_bo_create(rdev, size, PAGE_SIZE, true, ddomain, NULL, &dobj);
r = radeon_bo_create(rdev, size, PAGE_SIZE, true, ddomain, 0, NULL, &dobj);
if (r) {
goto out_cleanup;
}

3
drivers/gpu/drm/radeon/radeon_device.c
View File

@ -385,7 +385,8 @@ int radeon_wb_init(struct radeon_device *rdev)
if (rdev->wb.wb_obj == NULL) {
r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE, PAGE_SIZE, true,
RADEON_GEM_DOMAIN_GTT, NULL, &rdev->wb.wb_obj);
RADEON_GEM_DOMAIN_GTT, 0, NULL,
&rdev->wb.wb_obj);
if (r) {
dev_warn(rdev->dev, "(%d) create WB bo failed\n", r);
return r;

2
drivers/gpu/drm/radeon/radeon_fb.c
View File

@ -127,7 +127,7 @@ static int radeonfb_create_pinned_object(struct radeon_fbdev *rfbdev,
aligned_size = ALIGN(size, PAGE_SIZE);
ret = radeon_gem_object_create(rdev, aligned_size, 0,
RADEON_GEM_DOMAIN_VRAM,
false, true,
0, false, true,
&gobj);
if (ret) {
printk(KERN_ERR "failed to allocate framebuffer (%d)\n",

2
drivers/gpu/drm/radeon/radeon_gart.c
View File

@ -128,7 +128,7 @@ int radeon_gart_table_vram_alloc(struct radeon_device *rdev)
if (rdev->gart.robj == NULL) {
r = radeon_bo_create(rdev, rdev->gart.table_size,
PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
NULL, &rdev->gart.robj);
0, NULL, &rdev->gart.robj);
if (r) {
return r;
}

16
drivers/gpu/drm/radeon/radeon_gem.c
View File

@ -42,7 +42,7 @@ void radeon_gem_object_free(struct drm_gem_object *gobj)
int radeon_gem_object_create(struct radeon_device *rdev, int size,
int alignment, int initial_domain,
bool discardable, bool kernel,
u32 flags, bool discardable, bool kernel,
struct drm_gem_object **obj)
{
struct radeon_bo *robj;
@ -64,7 +64,8 @@ int radeon_gem_object_create(struct radeon_device *rdev, int size,
}
retry:
r = radeon_bo_create(rdev, size, alignment, kernel, initial_domain, NULL, &robj);
r = radeon_bo_create(rdev, size, alignment, kernel, initial_domain,
flags, NULL, &robj);
if (r) {
if (r != -ERESTARTSYS) {
if (initial_domain == RADEON_GEM_DOMAIN_VRAM) {
@ -252,8 +253,8 @@ int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
/* create a gem object to contain this object in */
args->size = roundup(args->size, PAGE_SIZE);
r = radeon_gem_object_create(rdev, args->size, args->alignment,
args->initial_domain, false,
false, &gobj);
args->initial_domain, args->flags,
false, false, &gobj);
if (r) {
up_read(&rdev->exclusive_lock);
r = radeon_gem_handle_lockup(rdev, r);
@ -461,11 +462,6 @@ int radeon_gem_va_ioctl(struct drm_device *dev, void *data,
args->operation = RADEON_VA_RESULT_ERROR;
return -EINVAL;
}
if (!(args->flags & RADEON_VM_PAGE_SNOOPED)) {
dev_err(&dev->pdev->dev, "only supported snooped mapping for now\n");
args->operation = RADEON_VA_RESULT_ERROR;
return -EINVAL;
}
switch (args->operation) {
case RADEON_VA_MAP:
@ -572,7 +568,7 @@ int radeon_mode_dumb_create(struct drm_file *file_priv,
args->size = ALIGN(args->size, PAGE_SIZE);
r = radeon_gem_object_create(rdev, args->size, 0,
RADEON_GEM_DOMAIN_VRAM,
RADEON_GEM_DOMAIN_VRAM, 0,
false, ttm_bo_type_device,
&gobj);
if (r)

24
drivers/gpu/drm/radeon/radeon_object.c
View File

@ -114,15 +114,23 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_VRAM;
if (domain & RADEON_GEM_DOMAIN_GTT) {
if (rbo->rdev->flags & RADEON_IS_AGP) {
rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_TT;
if (rbo->flags & RADEON_GEM_GTT_UC) {
rbo->placements[c++] = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_TT;
} else if ((rbo->flags & RADEON_GEM_GTT_WC) ||
(rbo->rdev->flags & RADEON_IS_AGP)) {
rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_TT;
} else {
rbo->placements[c++] = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_TT;
}
}
if (domain & RADEON_GEM_DOMAIN_CPU) {
if (rbo->rdev->flags & RADEON_IS_AGP) {
rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_SYSTEM;
if (rbo->flags & RADEON_GEM_GTT_UC) {
rbo->placements[c++] = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_SYSTEM;
} else if ((rbo->flags & RADEON_GEM_GTT_WC) ||
rbo->rdev->flags & RADEON_IS_AGP) {
rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_SYSTEM;
} else {
rbo->placements[c++] = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_SYSTEM;
}
@ -146,7 +154,7 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
int radeon_bo_create(struct radeon_device *rdev,
unsigned long size, int byte_align, bool kernel, u32 domain,
struct sg_table *sg, struct radeon_bo **bo_ptr)
u32 flags, struct sg_table *sg, struct radeon_bo **bo_ptr)
{
struct radeon_bo *bo;
enum ttm_bo_type type;
@ -183,6 +191,12 @@ int radeon_bo_create(struct radeon_device *rdev,
bo->initial_domain = domain & (RADEON_GEM_DOMAIN_VRAM |
RADEON_GEM_DOMAIN_GTT |
RADEON_GEM_DOMAIN_CPU);
bo->flags = flags;
/* PCI GART is always snooped */
if (!(rdev->flags & RADEON_IS_PCIE))
bo->flags &= ~(RADEON_GEM_GTT_WC | RADEON_GEM_GTT_UC);
radeon_ttm_placement_from_domain(bo, domain);
/* Kernel allocation are uninterruptible */
down_read(&rdev->pm.mclk_lock);

5
drivers/gpu/drm/radeon/radeon_object.h
View File

@ -124,7 +124,7 @@ extern int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type,
extern int radeon_bo_create(struct radeon_device *rdev,
unsigned long size, int byte_align,
bool kernel, u32 domain,
bool kernel, u32 domain, u32 flags,
struct sg_table *sg,
struct radeon_bo **bo_ptr);
extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr);
@ -170,7 +170,8 @@ static inline void * radeon_sa_bo_cpu_addr(struct radeon_sa_bo *sa_bo)
extern int radeon_sa_bo_manager_init(struct radeon_device *rdev,
struct radeon_sa_manager *sa_manager,
unsigned size, u32 align, u32 domain);
unsigned size, u32 align, u32 domain,
u32 flags);
extern void radeon_sa_bo_manager_fini(struct radeon_device *rdev,
struct radeon_sa_manager *sa_manager);
extern int radeon_sa_bo_manager_start(struct radeon_device *rdev,

2
drivers/gpu/drm/radeon/radeon_prime.c
View File

@ -65,7 +65,7 @@ struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
int ret;
ret = radeon_bo_create(rdev, size, PAGE_SIZE, false,
RADEON_GEM_DOMAIN_GTT, sg, &bo);
RADEON_GEM_DOMAIN_GTT, 0, sg, &bo);
if (ret)
return ERR_PTR(ret);

4
drivers/gpu/drm/radeon/radeon_ring.c
View File

@ -204,7 +204,7 @@ int radeon_ib_pool_init(struct radeon_device *rdev)
r = radeon_sa_bo_manager_init(rdev, &rdev->ring_tmp_bo,
RADEON_IB_POOL_SIZE*64*1024,
RADEON_GPU_PAGE_SIZE,
RADEON_GEM_DOMAIN_GTT);
RADEON_GEM_DOMAIN_GTT, 0);
if (r) {
return r;
}
@ -640,7 +640,7 @@ int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsig
/* Allocate ring buffer */
if (ring->ring_obj == NULL) {
r = radeon_bo_create(rdev, ring->ring_size, PAGE_SIZE, true,
RADEON_GEM_DOMAIN_GTT,
RADEON_GEM_DOMAIN_GTT, 0,
NULL, &ring->ring_obj);
if (r) {
dev_err(rdev->dev, "(%d) ring create failed\n", r);

4
drivers/gpu/drm/radeon/radeon_sa.c
View File

@ -49,7 +49,7 @@ static void radeon_sa_bo_try_free(struct radeon_sa_manager *sa_manager);
int radeon_sa_bo_manager_init(struct radeon_device *rdev,
struct radeon_sa_manager *sa_manager,
unsigned size, u32 align, u32 domain)
unsigned size, u32 align, u32 domain, u32 flags)
{
int i, r;
@ -65,7 +65,7 @@ int radeon_sa_bo_manager_init(struct radeon_device *rdev,
}
r = radeon_bo_create(rdev, size, align, true,
domain, NULL, &sa_manager->bo);
domain, flags, NULL, &sa_manager->bo);
if (r) {
dev_err(rdev->dev, "(%d) failed to allocate bo for manager\n", r);
return r;

4
drivers/gpu/drm/radeon/radeon_test.c
View File

@ -73,7 +73,7 @@ static void radeon_do_test_moves(struct radeon_device *rdev, int flag)
}
r = radeon_bo_create(rdev, size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
NULL, &vram_obj);
0, NULL, &vram_obj);
if (r) {
DRM_ERROR("Failed to create VRAM object\n");
goto out_cleanup;
@ -93,7 +93,7 @@ static void radeon_do_test_moves(struct radeon_device *rdev, int flag)
struct radeon_fence *fence = NULL;
r = radeon_bo_create(rdev, size, PAGE_SIZE, true,
RADEON_GEM_DOMAIN_GTT, NULL, gtt_obj + i);
RADEON_GEM_DOMAIN_GTT, 0, NULL, gtt_obj + i);
if (r) {
DRM_ERROR("Failed to create GTT object %d\n", i);
goto out_lclean;

2
drivers/gpu/drm/radeon/radeon_ttm.c
View File

@ -730,7 +730,7 @@ int radeon_ttm_init(struct radeon_device *rdev)
radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
r = radeon_bo_create(rdev, 256 * 1024, PAGE_SIZE, true,
RADEON_GEM_DOMAIN_VRAM,
RADEON_GEM_DOMAIN_VRAM, 0,
NULL, &rdev->stollen_vga_memory);
if (r) {
return r;

6
drivers/gpu/drm/radeon/radeon_uvd.c
View File

@ -117,7 +117,7 @@ int radeon_uvd_init(struct radeon_device *rdev)
bo_size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 8) +
RADEON_UVD_STACK_SIZE + RADEON_UVD_HEAP_SIZE;
r = radeon_bo_create(rdev, bo_size, PAGE_SIZE, true,
RADEON_GEM_DOMAIN_VRAM, NULL, &rdev->uvd.vcpu_bo);
RADEON_GEM_DOMAIN_VRAM, 0, NULL, &rdev->uvd.vcpu_bo);
if (r) {
dev_err(rdev->dev, "(%d) failed to allocate UVD bo\n", r);
return r;
@ -674,7 +674,7 @@ int radeon_uvd_get_create_msg(struct radeon_device *rdev, int ring,
int r, i;
r = radeon_bo_create(rdev, 1024, PAGE_SIZE, true,
RADEON_GEM_DOMAIN_VRAM, NULL, &bo);
RADEON_GEM_DOMAIN_VRAM, 0, NULL, &bo);
if (r)
return r;
@ -720,7 +720,7 @@ int radeon_uvd_get_destroy_msg(struct radeon_device *rdev, int ring,
int r, i;
r = radeon_bo_create(rdev, 1024, PAGE_SIZE, true,
RADEON_GEM_DOMAIN_VRAM, NULL, &bo);
RADEON_GEM_DOMAIN_VRAM, 0, NULL, &bo);
if (r)
return r;

2
drivers/gpu/drm/radeon/radeon_vce.c
View File

@ -126,7 +126,7 @@ int radeon_vce_init(struct radeon_device *rdev)
size = RADEON_GPU_PAGE_ALIGN(rdev->vce_fw->size) +
RADEON_VCE_STACK_SIZE + RADEON_VCE_HEAP_SIZE;
r = radeon_bo_create(rdev, size, PAGE_SIZE, true,
RADEON_GEM_DOMAIN_VRAM, NULL, &rdev->vce.vcpu_bo);
RADEON_GEM_DOMAIN_VRAM, 0, NULL, &rdev->vce.vcpu_bo);
if (r) {
dev_err(rdev->dev, "(%d) failed to allocate VCE bo\n", r);
return r;

8
drivers/gpu/drm/radeon/radeon_vm.c
View File

@ -510,7 +510,7 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev,
r = radeon_bo_create(rdev, RADEON_VM_PTE_COUNT * 8,
RADEON_GPU_PAGE_SIZE, true,
RADEON_GEM_DOMAIN_VRAM, NULL, &pt);
RADEON_GEM_DOMAIN_VRAM, 0, NULL, &pt);
if (r)
return r;
@ -858,6 +858,7 @@ int radeon_vm_bo_update(struct radeon_device *rdev,
bo_va->flags &= ~RADEON_VM_PAGE_VALID;
bo_va->flags &= ~RADEON_VM_PAGE_SYSTEM;
bo_va->flags &= ~RADEON_VM_PAGE_SNOOPED;
if (mem) {
addr = mem->start << PAGE_SHIFT;
if (mem->mem_type != TTM_PL_SYSTEM) {
@ -866,6 +867,9 @@ int radeon_vm_bo_update(struct radeon_device *rdev,
}
if (mem->mem_type == TTM_PL_TT) {
bo_va->flags |= RADEON_VM_PAGE_SYSTEM;
if (!(bo_va->bo->flags & (RADEON_GEM_GTT_WC | RADEON_GEM_GTT_UC)))
bo_va->flags |= RADEON_VM_PAGE_SNOOPED;
} else {
addr += rdev->vm_manager.vram_base_offset;
}
@ -1031,7 +1035,7 @@ int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
}
r = radeon_bo_create(rdev, pd_size, align, true,
RADEON_GEM_DOMAIN_VRAM, NULL,
RADEON_GEM_DOMAIN_VRAM, 0, NULL,
&vm->page_directory);
if (r)
return r;

3
drivers/gpu/drm/radeon/si_dma.c
View File

@ -79,7 +79,8 @@ void si_dma_vm_set_page(struct radeon_device *rdev,
trace_radeon_vm_set_page(pe, addr, count, incr, flags);
if (flags == R600_PTE_GART) {
/* XXX: How to distinguish between GART and other system memory pages? */
if (flags & R600_PTE_SYSTEM) {
uint64_t src = rdev->gart.table_addr + (addr >> 12) * 8;
while (count) {
unsigned bytes = count * 8;