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drm/ttm: nuke memory type flags 

It's not supported to specify more than one of those flags.
So it never made sense to make this a flag in the first place.

Nuke the flags and specify directly which memory type to use.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/389826/?series=81551&rev=1
This commit is contained in:
Christian König 2020-09-10 13:39:41 +02:00
parent e03d342c62
commit 48e07c23cb
16 changed files with 150 additions and 192 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
View File

@ -136,8 +136,8 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain)
places[c].fpfn = 0;
places[c].lpfn = 0;
places[c].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_VRAM;
places[c].mem_type = TTM_PL_VRAM;
places[c].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED;
if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED)
places[c].lpfn = visible_pfn;
@ -152,7 +152,8 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain)
if (domain & AMDGPU_GEM_DOMAIN_GTT) {
places[c].fpfn = 0;
places[c].lpfn = 0;
places[c].flags = TTM_PL_FLAG_TT;
places[c].mem_type = TTM_PL_TT;
places[c].flags = 0;
if (flags & AMDGPU_GEM_CREATE_CPU_GTT_USWC)
places[c].flags |= TTM_PL_FLAG_WC |
TTM_PL_FLAG_UNCACHED;
@ -164,7 +165,8 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain)
if (domain & AMDGPU_GEM_DOMAIN_CPU) {
places[c].fpfn = 0;
places[c].lpfn = 0;
places[c].flags = TTM_PL_FLAG_SYSTEM;
places[c].mem_type = TTM_PL_SYSTEM;
places[c].flags = 0;
if (flags & AMDGPU_GEM_CREATE_CPU_GTT_USWC)
places[c].flags |= TTM_PL_FLAG_WC |
TTM_PL_FLAG_UNCACHED;
@ -176,28 +178,32 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain)
if (domain & AMDGPU_GEM_DOMAIN_GDS) {
places[c].fpfn = 0;
places[c].lpfn = 0;
places[c].flags = TTM_PL_FLAG_UNCACHED | AMDGPU_PL_FLAG_GDS;
places[c].mem_type = AMDGPU_PL_GDS;
places[c].flags = TTM_PL_FLAG_UNCACHED;
c++;
}
if (domain & AMDGPU_GEM_DOMAIN_GWS) {
places[c].fpfn = 0;
places[c].lpfn = 0;
places[c].flags = TTM_PL_FLAG_UNCACHED | AMDGPU_PL_FLAG_GWS;
places[c].mem_type = AMDGPU_PL_GWS;
places[c].flags = TTM_PL_FLAG_UNCACHED;
c++;
}
if (domain & AMDGPU_GEM_DOMAIN_OA) {
places[c].fpfn = 0;
places[c].lpfn = 0;
places[c].flags = TTM_PL_FLAG_UNCACHED | AMDGPU_PL_FLAG_OA;
places[c].mem_type = AMDGPU_PL_OA;
places[c].flags = TTM_PL_FLAG_UNCACHED;
c++;
}
if (!c) {
places[c].fpfn = 0;
places[c].lpfn = 0;
places[c].flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
places[c].mem_type = TTM_PL_SYSTEM;
places[c].flags = TTM_PL_MASK_CACHING;
c++;
}
@ -591,7 +597,7 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
amdgpu_cs_report_moved_bytes(adev, ctx.bytes_moved, 0);
if (bp->flags & AMDGPU_GEM_CREATE_VRAM_CLEARED &&
bo->tbo.mem.placement & TTM_PL_FLAG_VRAM) {
bo->tbo.mem.mem_type == TTM_PL_VRAM) {
struct dma_fence *fence;
r = amdgpu_fill_buffer(bo, 0, bo->tbo.base.resv, &fence);

13
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
View File

@ -88,7 +88,8 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
static const struct ttm_place placements = {
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM
.mem_type = TTM_PL_SYSTEM,
.flags = TTM_PL_MASK_CACHING
};
/* Don't handle scatter gather BOs */
@ -533,7 +534,8 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, bool evict,
placement.busy_placement = &placements;
placements.fpfn = 0;
placements.lpfn = 0;
placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
placements.mem_type = TTM_PL_TT;
placements.flags = TTM_PL_MASK_CACHING;
r = ttm_bo_mem_space(bo, &placement, &tmp_mem, ctx);
if (unlikely(r)) {
pr_err("Failed to find GTT space for blit from VRAM\n");
@ -589,7 +591,8 @@ static int amdgpu_move_ram_vram(struct ttm_buffer_object *bo, bool evict,
placement.busy_placement = &placements;
placements.fpfn = 0;
placements.lpfn = 0;
placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
placements.mem_type = TTM_PL_TT;
placements.flags = TTM_PL_MASK_CACHING;
r = ttm_bo_mem_space(bo, &placement, &tmp_mem, ctx);
if (unlikely(r)) {
pr_err("Failed to find GTT space for blit to VRAM\n");
@ -1171,8 +1174,8 @@ int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo)
placement.busy_placement = &placements;
placements.fpfn = 0;
placements.lpfn = adev->gmc.gart_size >> PAGE_SHIFT;
placements.flags = (bo->mem.placement & ~TTM_PL_MASK_MEM) |
TTM_PL_FLAG_TT;
placements.mem_type = TTM_PL_TT;
placements.flags = bo->mem.placement;
r = ttm_bo_mem_space(bo, &placement, &tmp, &ctx);
if (unlikely(r))

4
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
View File

@ -32,10 +32,6 @@
#define AMDGPU_PL_GWS (TTM_PL_PRIV + 1)
#define AMDGPU_PL_OA (TTM_PL_PRIV + 2)
#define AMDGPU_PL_FLAG_GDS (TTM_PL_FLAG_PRIV << 0)
#define AMDGPU_PL_FLAG_GWS (TTM_PL_FLAG_PRIV << 1)
#define AMDGPU_PL_FLAG_OA (TTM_PL_FLAG_PRIV << 2)
#define AMDGPU_GTT_MAX_TRANSFER_SIZE 512
#define AMDGPU_GTT_NUM_TRANSFER_WINDOWS 2

15
drivers/gpu/drm/drm_gem_vram_helper.c
View File

@ -145,21 +145,18 @@ static void drm_gem_vram_placement(struct drm_gem_vram_object *gbo,
gbo->placement.placement = gbo->placements;
gbo->placement.busy_placement = gbo->placements;
if (pl_flag & DRM_GEM_VRAM_PL_FLAG_VRAM)
if (pl_flag & DRM_GEM_VRAM_PL_FLAG_VRAM) {
gbo->placements[c].mem_type = TTM_PL_VRAM;
gbo->placements[c++].flags = TTM_PL_FLAG_WC |
TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_VRAM |
invariant_flags;
}
if (pl_flag & DRM_GEM_VRAM_PL_FLAG_SYSTEM)
if (pl_flag & DRM_GEM_VRAM_PL_FLAG_SYSTEM || !c) {
gbo->placements[c].mem_type = TTM_PL_SYSTEM;
gbo->placements[c++].flags = TTM_PL_MASK_CACHING |
TTM_PL_FLAG_SYSTEM |
invariant_flags;
if (!c)
gbo->placements[c++].flags = TTM_PL_MASK_CACHING |
TTM_PL_FLAG_SYSTEM |
invariant_flags;
}
gbo->placement.num_placement = c;
gbo->placement.num_busy_placement = c;

24
drivers/gpu/drm/nouveau/nouveau_bo.c
View File

@ -345,12 +345,18 @@ set_placement_list(struct ttm_place *pl, unsigned *n, uint32_t domain,
{
*n = 0;
if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
pl[(*n)++].flags = TTM_PL_FLAG_VRAM | flags;
if (domain & NOUVEAU_GEM_DOMAIN_GART)
pl[(*n)++].flags = TTM_PL_FLAG_TT | flags;
if (domain & NOUVEAU_GEM_DOMAIN_CPU)
pl[(*n)++].flags = TTM_PL_FLAG_SYSTEM | flags;
if (domain & NOUVEAU_GEM_DOMAIN_VRAM) {
pl[*n].mem_type = TTM_PL_VRAM;
pl[(*n)++].flags = flags;
}
if (domain & NOUVEAU_GEM_DOMAIN_GART) {
pl[*n].mem_type = TTM_PL_TT;
pl[(*n)++].flags = flags;
}
if (domain & NOUVEAU_GEM_DOMAIN_CPU) {
pl[*n].mem_type = TTM_PL_SYSTEM;
pl[(*n)++].flags = flags;
}
}
static void
@ -882,7 +888,8 @@ nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr,
struct ttm_place placement_memtype = {
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_FLAG_TT | TTM_PL_MASK_CACHING
.mem_type = TTM_PL_TT,
.flags = TTM_PL_MASK_CACHING
};
struct ttm_placement placement;
struct ttm_resource tmp_reg;
@ -919,7 +926,8 @@ nouveau_bo_move_flips(struct ttm_buffer_object *bo, bool evict, bool intr,
struct ttm_place placement_memtype = {
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_FLAG_TT | TTM_PL_MASK_CACHING
.mem_type = TTM_PL_TT,
.flags = TTM_PL_MASK_CACHING
};
struct ttm_placement placement;
struct ttm_resource tmp_reg;

26
drivers/gpu/drm/qxl/qxl_object.c
View File

@ -64,16 +64,24 @@ void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain, bool pinned)
qbo->placement.placement = qbo->placements;
qbo->placement.busy_placement = qbo->placements;
if (domain == QXL_GEM_DOMAIN_VRAM)
qbo->placements[c++].flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_VRAM | pflag;
if (domain == QXL_GEM_DOMAIN_SURFACE) {
qbo->placements[c++].flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_PRIV | pflag;
qbo->placements[c++].flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_VRAM | pflag;
if (domain == QXL_GEM_DOMAIN_VRAM) {
qbo->placements[c].mem_type = TTM_PL_VRAM;
qbo->placements[c++].flags = TTM_PL_FLAG_CACHED | pflag;
}
if (domain == QXL_GEM_DOMAIN_SURFACE) {
qbo->placements[c].mem_type = TTM_PL_PRIV;
qbo->placements[c++].flags = TTM_PL_FLAG_CACHED | pflag;
qbo->placements[c].mem_type = TTM_PL_VRAM;
qbo->placements[c++].flags = TTM_PL_FLAG_CACHED | pflag;
}
if (domain == QXL_GEM_DOMAIN_CPU) {
qbo->placements[c].mem_type = TTM_PL_SYSTEM;
qbo->placements[c++].flags = TTM_PL_MASK_CACHING | pflag;
}
if (!c) {
qbo->placements[c].mem_type = TTM_PL_SYSTEM;
qbo->placements[c++].flags = TTM_PL_MASK_CACHING;
}
if (domain == QXL_GEM_DOMAIN_CPU)
qbo->placements[c++].flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM | pflag;
if (!c)
qbo->placements[c++].flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
qbo->placement.num_placement = c;
qbo->placement.num_busy_placement = c;
for (i = 0; i < c; ++i) {

3
drivers/gpu/drm/qxl/qxl_ttm.c
View File

@ -55,7 +55,8 @@ static void qxl_evict_flags(struct ttm_buffer_object *bo,
static const struct ttm_place placements = {
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM
.mem_type = TTM_PL_SYSTEM,
.flags = TTM_PL_MASK_CACHING
};
if (!qxl_ttm_bo_is_qxl_bo(bo)) {

42
drivers/gpu/drm/radeon/radeon_object.c
View File

@ -112,58 +112,58 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
rbo->rdev->mc.visible_vram_size < rbo->rdev->mc.real_vram_size) {
rbo->placements[c].fpfn =
rbo->rdev->mc.visible_vram_size >> PAGE_SHIFT;
rbo->placements[c].mem_type = TTM_PL_VRAM;
rbo->placements[c++].flags = TTM_PL_FLAG_WC |
TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_VRAM;
TTM_PL_FLAG_UNCACHED;
}
rbo->placements[c].fpfn = 0;
rbo->placements[c].mem_type = TTM_PL_VRAM;
rbo->placements[c++].flags = TTM_PL_FLAG_WC |
TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_VRAM;
TTM_PL_FLAG_UNCACHED;
}
if (domain & RADEON_GEM_DOMAIN_GTT) {
if (rbo->flags & RADEON_GEM_GTT_UC) {
rbo->placements[c].fpfn = 0;
rbo->placements[c++].flags = TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_TT;
rbo->placements[c].mem_type = TTM_PL_TT;
rbo->placements[c++].flags = TTM_PL_FLAG_UNCACHED;
} else if ((rbo->flags & RADEON_GEM_GTT_WC) ||
(rbo->rdev->flags & RADEON_IS_AGP)) {
rbo->placements[c].fpfn = 0;
rbo->placements[c].mem_type = TTM_PL_TT;
rbo->placements[c++].flags = TTM_PL_FLAG_WC |
TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_TT;
TTM_PL_FLAG_UNCACHED;
} else {
rbo->placements[c].fpfn = 0;
rbo->placements[c++].flags = TTM_PL_FLAG_CACHED |
TTM_PL_FLAG_TT;
rbo->placements[c].mem_type = TTM_PL_TT;
rbo->placements[c++].flags = TTM_PL_FLAG_CACHED;
}
}
if (domain & RADEON_GEM_DOMAIN_CPU) {
if (rbo->flags & RADEON_GEM_GTT_UC) {
rbo->placements[c].fpfn = 0;
rbo->placements[c++].flags = TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_SYSTEM;
rbo->placements[c].mem_type = TTM_PL_SYSTEM;
rbo->placements[c++].flags = TTM_PL_FLAG_UNCACHED;
} else if ((rbo->flags & RADEON_GEM_GTT_WC) ||
rbo->rdev->flags & RADEON_IS_AGP) {
rbo->placements[c].fpfn = 0;
rbo->placements[c].mem_type = TTM_PL_SYSTEM;
rbo->placements[c++].flags = TTM_PL_FLAG_WC |
TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_SYSTEM;
TTM_PL_FLAG_UNCACHED;
} else {
rbo->placements[c].fpfn = 0;
rbo->placements[c++].flags = TTM_PL_FLAG_CACHED |
TTM_PL_FLAG_SYSTEM;
rbo->placements[c].mem_type = TTM_PL_SYSTEM;
rbo->placements[c++].flags = TTM_PL_FLAG_CACHED;
}
}
if (!c) {
rbo->placements[c].fpfn = 0;
rbo->placements[c++].flags = TTM_PL_MASK_CACHING |
TTM_PL_FLAG_SYSTEM;
rbo->placements[c].mem_type = TTM_PL_SYSTEM;
rbo->placements[c++].flags = TTM_PL_MASK_CACHING;
}
rbo->placement.num_placement = c;
@ -171,7 +171,7 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
for (i = 0; i < c; ++i) {
if ((rbo->flags & RADEON_GEM_CPU_ACCESS) &&
(rbo->placements[i].flags & TTM_PL_FLAG_VRAM) &&
(rbo->placements[i].mem_type == TTM_PL_VRAM) &&
!rbo->placements[i].fpfn)
rbo->placements[i].lpfn =
rbo->rdev->mc.visible_vram_size >> PAGE_SHIFT;
@ -360,7 +360,7 @@ int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain, u64 max_offset,
radeon_ttm_placement_from_domain(bo, domain);
for (i = 0; i < bo->placement.num_placement; i++) {
/* force to pin into visible video ram */
if ((bo->placements[i].flags & TTM_PL_FLAG_VRAM) &&
if ((bo->placements[i].mem_type == TTM_PL_VRAM) &&
!(bo->flags & RADEON_GEM_NO_CPU_ACCESS) &&
(!max_offset || max_offset > bo->rdev->mc.visible_vram_size))
bo->placements[i].lpfn =
@ -824,7 +824,7 @@ int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
lpfn = rdev->mc.visible_vram_size >> PAGE_SHIFT;
for (i = 0; i < rbo->placement.num_placement; i++) {
/* Force into visible VRAM */
if ((rbo->placements[i].flags & TTM_PL_FLAG_VRAM) &&
if ((rbo->placements[i].mem_type == TTM_PL_VRAM) &&
(!rbo->placements[i].lpfn || rbo->placements[i].lpfn > lpfn))
rbo->placements[i].lpfn = lpfn;
}

11
drivers/gpu/drm/radeon/radeon_ttm.c
View File

@ -88,7 +88,8 @@ static void radeon_evict_flags(struct ttm_buffer_object *bo,
static const struct ttm_place placements = {
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM
.mem_type = TTM_PL_SYSTEM,
.flags = TTM_PL_MASK_CACHING
};
struct radeon_bo *rbo;
@ -119,7 +120,7 @@ static void radeon_evict_flags(struct ttm_buffer_object *bo,
RADEON_GEM_DOMAIN_GTT);
rbo->placement.num_busy_placement = 0;
for (i = 0; i < rbo->placement.num_placement; i++) {
if (rbo->placements[i].flags & TTM_PL_FLAG_VRAM) {
if (rbo->placements[i].mem_type == TTM_PL_VRAM) {
if (rbo->placements[i].fpfn < fpfn)
rbo->placements[i].fpfn = fpfn;
} else {
@ -224,7 +225,8 @@ static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
placement.busy_placement = &placements;
placements.fpfn = 0;
placements.lpfn = 0;
placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
placements.mem_type = TTM_PL_TT;
placements.flags = TTM_PL_MASK_CACHING;
r = ttm_bo_mem_space(bo, &placement, &tmp_mem, &ctx);
if (unlikely(r)) {
return r;
@ -269,7 +271,8 @@ static int radeon_move_ram_vram(struct ttm_buffer_object *bo,
placement.busy_placement = &placements;
placements.fpfn = 0;
placements.lpfn = 0;
placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
placements.mem_type = TTM_PL_TT;
placements.flags = TTM_PL_MASK_CACHING;
r = ttm_bo_mem_space(bo, &placement, &tmp_mem, &ctx);
if (unlikely(r)) {
return r;

86
drivers/gpu/drm/ttm/ttm_bo.c
View File

@ -64,34 +64,18 @@ static void ttm_bo_default_destroy(struct ttm_buffer_object *bo)
kfree(bo);
}
static inline int ttm_mem_type_from_place(const struct ttm_place *place,
uint32_t *mem_type)
{
int pos;
pos = ffs(place->flags & TTM_PL_MASK_MEM);
if (unlikely(!pos))
return -EINVAL;
*mem_type = pos - 1;
return 0;
}
static void ttm_bo_mem_space_debug(struct ttm_buffer_object *bo,
struct ttm_placement *placement)
{
struct drm_printer p = drm_debug_printer(TTM_PFX);
int i, ret, mem_type;
struct ttm_resource_manager *man;
int i, mem_type;
drm_printf(&p, "No space for %p (%lu pages, %luK, %luM)\n",
bo, bo->mem.num_pages, bo->mem.size >> 10,
bo->mem.size >> 20);
for (i = 0; i < placement->num_placement; i++) {
ret = ttm_mem_type_from_place(&placement->placement[i],
&mem_type);
if (ret)
return;
mem_type = placement->placement[i].mem_type;
drm_printf(&p, " placement[%d]=0x%08X (%d)\n",
i, placement->placement[i].flags, mem_type);
man = ttm_manager_type(bo->bdev, mem_type);
@ -125,12 +109,6 @@ static struct kobj_type ttm_bo_glob_kobj_type = {
.default_attrs = ttm_bo_global_attrs
};
static inline uint32_t ttm_bo_type_flags(unsigned type)
{
return 1 << (type);
}
static void ttm_bo_add_mem_to_lru(struct ttm_buffer_object *bo,
struct ttm_resource *mem)
{
@ -910,25 +888,6 @@ static uint32_t ttm_bo_select_caching(struct ttm_resource_manager *man,
return result;
}
static bool ttm_bo_mt_compatible(struct ttm_resource_manager *man,
uint32_t mem_type,
const struct ttm_place *place,
uint32_t *masked_placement)
{
uint32_t cur_flags = ttm_bo_type_flags(mem_type);
if ((cur_flags & place->flags & TTM_PL_MASK_MEM) == 0)
return false;
if ((place->flags & man->available_caching) == 0)
return false;
cur_flags |= (place->flags & man->available_caching);
*masked_placement = cur_flags;
return true;
}
/**
* ttm_bo_mem_placement - check if placement is compatible
* @bo: BO to find memory for
@ -946,30 +905,21 @@ static int ttm_bo_mem_placement(struct ttm_buffer_object *bo,
struct ttm_operation_ctx *ctx)
{
struct ttm_bo_device *bdev = bo->bdev;
uint32_t mem_type = TTM_PL_SYSTEM;
struct ttm_resource_manager *man;
uint32_t cur_flags = 0;
int ret;
ret = ttm_mem_type_from_place(place, &mem_type);
if (ret)
return ret;
man = ttm_manager_type(bdev, mem_type);
man = ttm_manager_type(bdev, place->mem_type);
if (!man || !ttm_resource_manager_used(man))
return -EBUSY;
if (!ttm_bo_mt_compatible(man, mem_type, place, &cur_flags))
if ((place->flags & man->available_caching) == 0)
return -EBUSY;
cur_flags = place->flags & man->available_caching;
cur_flags = ttm_bo_select_caching(man, bo->mem.placement, cur_flags);
/*
* Use the access and other non-mapping-related flag bits from
* the memory placement flags to the current flags
*/
ttm_flag_masked(&cur_flags, place->flags, ~TTM_PL_MASK_MEMTYPE);
cur_flags |= place->flags & ~TTM_PL_MASK_CACHING;
mem->mem_type = mem_type;
mem->mem_type = place->mem_type;
mem->placement = cur_flags;
spin_lock(&ttm_bo_glob.lru_lock);
@ -1006,10 +956,8 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
struct ttm_resource_manager *man;
ret = ttm_bo_mem_placement(bo, place, mem, ctx);
if (ret == -EBUSY)
continue;
if (ret)
goto error;
continue;
type_found = true;
ret = ttm_resource_alloc(bo, place, mem);
@ -1034,10 +982,8 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
const struct ttm_place *place = &placement->busy_placement[i];
ret = ttm_bo_mem_placement(bo, place, mem, ctx);
if (ret == -EBUSY)
continue;
if (ret)
goto error;
continue;
type_found = true;
ret = ttm_bo_mem_force_space(bo, place, mem, ctx);
@ -1108,7 +1054,7 @@ static bool ttm_bo_places_compat(const struct ttm_place *places,
*new_flags = heap->flags;
if ((*new_flags & mem->placement & TTM_PL_MASK_CACHING) &&
(*new_flags & mem->placement & TTM_PL_MASK_MEM) &&
(mem->mem_type == heap->mem_type) &&
(!(*new_flags & TTM_PL_FLAG_CONTIGUOUS) ||
(mem->placement & TTM_PL_FLAG_CONTIGUOUS)))
return true;
@ -1163,12 +1109,8 @@ int ttm_bo_validate(struct ttm_buffer_object *bo,
if (ret)
return ret;
} else {
/*
* Use the access and other non-mapping-related flag bits from
* the compatible memory placement flags to the active flags
*/
ttm_flag_masked(&bo->mem.placement, new_flags,
~TTM_PL_MASK_MEMTYPE);
bo->mem.placement &= TTM_PL_MASK_CACHING;
bo->mem.placement |= new_flags & ~TTM_PL_MASK_CACHING;
}
/*
* We might need to add a TTM.
@ -1236,7 +1178,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
bo->mem.bus.offset = 0;
bo->mem.bus.addr = NULL;
bo->moving = NULL;
bo->mem.placement = (TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED);
bo->mem.placement = TTM_PL_FLAG_CACHED;
bo->acc_size = acc_size;
bo->sg = sg;
if (resv) {
@ -1627,7 +1569,7 @@ int ttm_bo_swapout(struct ttm_bo_global *glob, struct ttm_operation_ctx *ctx)
evict_mem = bo->mem;
evict_mem.mm_node = NULL;
evict_mem.placement = TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED;
evict_mem.placement = TTM_PL_FLAG_CACHED;
evict_mem.mem_type = TTM_PL_SYSTEM;
ret = ttm_bo_handle_move_mem(bo, &evict_mem, true, &ctx);

2
drivers/gpu/drm/ttm/ttm_bo_util.c
View File

@ -69,8 +69,6 @@ int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
ttm_tt_unbind(bo->bdev, ttm);
ttm_bo_free_old_node(bo);
ttm_flag_masked(&old_mem->placement, TTM_PL_FLAG_SYSTEM,
TTM_PL_MASK_MEM);
old_mem->mem_type = TTM_PL_SYSTEM;
}

1
drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
View File

@ -354,6 +354,7 @@ void vmw_bo_pin_reserved(struct vmw_buffer_object *vbo, bool pin)
pl.fpfn = 0;
pl.lpfn = 0;
pl.mem_type = bo->mem.mem_type;
pl.flags = bo->mem.placement;
if (pin)
pl.flags |= TTM_PL_FLAG_NO_EVICT;

2
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
View File

@ -82,9 +82,7 @@
VMWGFX_NUM_GB_SCREEN_TARGET)
#define VMW_PL_GMR (TTM_PL_PRIV + 0)
#define VMW_PL_FLAG_GMR (TTM_PL_FLAG_PRIV << 0)
#define VMW_PL_MOB (TTM_PL_PRIV + 1)
#define VMW_PL_FLAG_MOB (TTM_PL_FLAG_PRIV << 1)
#define VMW_RES_CONTEXT ttm_driver_type0
#define VMW_RES_SURFACE ttm_driver_type1

63
drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
View File

@ -33,49 +33,57 @@
static const struct ttm_place vram_placement_flags = {
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED
.mem_type = TTM_PL_VRAM,
.flags = TTM_PL_FLAG_CACHED
};
static const struct ttm_place vram_ne_placement_flags = {
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
.mem_type = TTM_PL_VRAM,
.flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
};
static const struct ttm_place sys_placement_flags = {
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED
.mem_type = TTM_PL_SYSTEM,
.flags = TTM_PL_FLAG_CACHED
};
static const struct ttm_place sys_ne_placement_flags = {
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
.mem_type = TTM_PL_SYSTEM,
.flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
};
static const struct ttm_place gmr_placement_flags = {
.fpfn = 0,
.lpfn = 0,
.flags = VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED
.mem_type = VMW_PL_GMR,
.flags = TTM_PL_FLAG_CACHED
};
static const struct ttm_place gmr_ne_placement_flags = {
.fpfn = 0,
.lpfn = 0,
.flags = VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
.mem_type = VMW_PL_GMR,
.flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
};
static const struct ttm_place mob_placement_flags = {
.fpfn = 0,
.lpfn = 0,
.flags = VMW_PL_FLAG_MOB | TTM_PL_FLAG_CACHED
.mem_type = VMW_PL_MOB,
.flags = TTM_PL_FLAG_CACHED
};
static const struct ttm_place mob_ne_placement_flags = {
.fpfn = 0,
.lpfn = 0,
.flags = VMW_PL_FLAG_MOB | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
.mem_type = VMW_PL_MOB,
.flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
};
struct ttm_placement vmw_vram_placement = {
@ -89,11 +97,13 @@ static const struct ttm_place vram_gmr_placement_flags[] = {
{
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED
.mem_type = TTM_PL_VRAM,
.flags = TTM_PL_FLAG_CACHED
}, {
.fpfn = 0,
.lpfn = 0,
.flags = VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED
.mem_type = VMW_PL_GMR,
.flags = TTM_PL_FLAG_CACHED
}
};
@ -101,11 +111,13 @@ static const struct ttm_place gmr_vram_placement_flags[] = {
{
.fpfn = 0,
.lpfn = 0,
.flags = VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED
.mem_type = VMW_PL_GMR,
.flags = TTM_PL_FLAG_CACHED
}, {
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED
.mem_type = TTM_PL_VRAM,
.flags = TTM_PL_FLAG_CACHED
}
};
@ -120,12 +132,14 @@ static const struct ttm_place vram_gmr_ne_placement_flags[] = {
{
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED |
.mem_type = TTM_PL_VRAM,
.flags = TTM_PL_FLAG_CACHED |
TTM_PL_FLAG_NO_EVICT
}, {
.fpfn = 0,
.lpfn = 0,
.flags = VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED |
.mem_type = VMW_PL_GMR,
.flags = TTM_PL_FLAG_CACHED |
TTM_PL_FLAG_NO_EVICT
}
};
@ -169,19 +183,23 @@ static const struct ttm_place evictable_placement_flags[] = {
{
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED
.mem_type = TTM_PL_SYSTEM,
.flags = TTM_PL_FLAG_CACHED
}, {
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED
.mem_type = TTM_PL_VRAM,
.flags = TTM_PL_FLAG_CACHED
}, {
.fpfn = 0,
.lpfn = 0,
.flags = VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED
.mem_type = VMW_PL_GMR,
.flags = TTM_PL_FLAG_CACHED
}, {
.fpfn = 0,
.lpfn = 0,
.flags = VMW_PL_FLAG_MOB | TTM_PL_FLAG_CACHED
.mem_type = VMW_PL_MOB,
.flags = TTM_PL_FLAG_CACHED
}
};
@ -189,15 +207,18 @@ static const struct ttm_place nonfixed_placement_flags[] = {
{
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED
.mem_type = TTM_PL_SYSTEM,
.flags = TTM_PL_FLAG_CACHED
}, {
.fpfn = 0,
.lpfn = 0,
.flags = VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED
.mem_type = VMW_PL_GMR,
.flags = TTM_PL_FLAG_CACHED
}, {
.fpfn = 0,
.lpfn = 0,
.flags = VMW_PL_FLAG_MOB | TTM_PL_FLAG_CACHED
.mem_type = VMW_PL_MOB,
.flags = TTM_PL_FLAG_CACHED
}
};

17
include/drm/ttm/ttm_bo_driver.h
View File

@ -393,23 +393,6 @@ struct ttm_lru_bulk_move {
struct ttm_lru_bulk_move_pos swap[TTM_MAX_BO_PRIORITY];
};
/**
* ttm_flag_masked
*
* @old: Pointer to the result and original value.
* @new: New value of bits.
* @mask: Mask of bits to change.
*
* Convenience function to change a number of bits identified by a mask.
*/
static inline uint32_t
ttm_flag_masked(uint32_t *old, uint32_t new, uint32_t mask)
{
*old ^= (*old ^ new) & mask;
return *old;
}
/*
* ttm_bo.c
*/

9
include/drm/ttm/ttm_placement.h
View File

@ -42,12 +42,6 @@
#define TTM_PL_VRAM 2
#define TTM_PL_PRIV 3
#define TTM_PL_FLAG_SYSTEM (1 << TTM_PL_SYSTEM)
#define TTM_PL_FLAG_TT (1 << TTM_PL_TT)
#define TTM_PL_FLAG_VRAM (1 << TTM_PL_VRAM)
#define TTM_PL_FLAG_PRIV (1 << TTM_PL_PRIV)
#define TTM_PL_MASK_MEM 0x0000FFFF
/*
* Other flags that affects data placement.
* TTM_PL_FLAG_CACHED indicates cache-coherent mappings
@ -71,8 +65,6 @@
TTM_PL_FLAG_UNCACHED | \
TTM_PL_FLAG_WC)
#define TTM_PL_MASK_MEMTYPE (TTM_PL_MASK_MEM | TTM_PL_MASK_CACHING)
/**
* struct ttm_place
*
@ -85,6 +77,7 @@
struct ttm_place {
unsigned fpfn;
unsigned lpfn;
uint32_t mem_type;
uint32_t flags;
};