* [PATCH 01/11] drm/ttm: add ttm_bo_pin()/ttm_bo_unpin()
2020-09-21 14:48 Nuke TTM_PL_FLAG_NO_EVICT Christian König
@ 2020-09-21 14:48 ` Christian König
2020-09-21 14:48 ` [PATCH 02/11] drm/radeon: switch over to the new pin interface Christian König
` (9 subsequent siblings)
10 siblings, 0 replies; 18+ messages in thread
From: Christian König @ 2020-09-21 14:48 UTC (permalink / raw)
To: dri-devel, airlied, tzimmermann, bskeggs, kraxel, airlied, sroland
As an alternative to the placement flag add a
pin count to the ttm buffer object.
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/ttm/ttm_bo.c | 9 ++++++---
drivers/gpu/drm/ttm/ttm_bo_util.c | 2 +-
include/drm/ttm/ttm_bo_api.h | 24 ++++++++++++++++++++++++
3 files changed, 31 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 70b3bee27850..b82b49d43942 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -115,7 +115,7 @@ static void ttm_bo_add_mem_to_lru(struct ttm_buffer_object *bo,
struct ttm_bo_device *bdev = bo->bdev;
struct ttm_resource_manager *man;
- if (!list_empty(&bo->lru))
+ if (!list_empty(&bo->lru) || bo->pin_count)
return;
if (mem->placement & TTM_PL_FLAG_NO_EVICT)
@@ -165,7 +165,8 @@ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo,
ttm_bo_del_from_lru(bo);
ttm_bo_add_mem_to_lru(bo, &bo->mem);
- if (bulk && !(bo->mem.placement & TTM_PL_FLAG_NO_EVICT)) {
+ if (bulk && !(bo->mem.placement & TTM_PL_FLAG_NO_EVICT) &&
+ !bo->pin_count) {
switch (bo->mem.mem_type) {
case TTM_PL_TT:
ttm_bo_bulk_move_set_pos(&bulk->tt[bo->priority], bo);
@@ -544,8 +545,9 @@ static void ttm_bo_release(struct kref *kref)
* shrinkers, now that they are queued for
* destruction.
*/
- if (bo->mem.placement & TTM_PL_FLAG_NO_EVICT) {
+ if (bo->mem.placement & TTM_PL_FLAG_NO_EVICT || bo->pin_count) {
bo->mem.placement &= ~TTM_PL_FLAG_NO_EVICT;
+ bo->pin_count = 0;
ttm_bo_del_from_lru(bo);
ttm_bo_add_mem_to_lru(bo, &bo->mem);
}
@@ -1172,6 +1174,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
bo->moving = NULL;
bo->mem.placement = TTM_PL_FLAG_CACHED;
bo->acc_size = acc_size;
+ bo->pin_count = 0;
bo->sg = sg;
if (resv) {
bo->base.resv = resv;
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index fb2a25f8408f..1968df9743fc 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -352,7 +352,6 @@ static int ttm_buffer_object_transfer(struct ttm_buffer_object *bo,
return -ENOMEM;
fbo->base = *bo;
- fbo->base.mem.placement |= TTM_PL_FLAG_NO_EVICT;
ttm_bo_get(bo);
fbo->bo = bo;
@@ -372,6 +371,7 @@ static int ttm_buffer_object_transfer(struct ttm_buffer_object *bo,
kref_init(&fbo->base.kref);
fbo->base.destroy = &ttm_transfered_destroy;
fbo->base.acc_size = 0;
+ fbo->base.pin_count = 1;
if (bo->type != ttm_bo_type_sg)
fbo->base.base.resv = &fbo->base.base._resv;
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 0f7cd21d6d74..83979500df1c 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -157,6 +157,7 @@ struct ttm_buffer_object {
struct dma_fence *moving;
unsigned priority;
+ unsigned pin_count;
/**
* Special members that are protected by the reserve lock
@@ -606,6 +607,29 @@ static inline bool ttm_bo_uses_embedded_gem_object(struct ttm_buffer_object *bo)
return bo->base.dev != NULL;
}
+/**
+ * ttm_bo_pin - Pin the buffer object.
+ * @bo: The buffer object to pin
+ *
+ * Make sure the buffer is not evicted any more during memory pressure.
+ */
+static inline void ttm_bo_pin(struct ttm_buffer_object *bo)
+{
+ ++bo->pin_count;
+}
+
+/**
+ * ttm_bo_unpin - Unpin the buffer object.
+ * @bo: The buffer object to unpin
+ *
+ * Allows the buffer object to be evicted again during memory pressure.
+ */
+static inline void ttm_bo_unpin(struct ttm_buffer_object *bo)
+{
+ WARN_ON_ONCE(!bo->pin_count);
+ --bo->pin_count;
+}
+
int ttm_mem_evict_first(struct ttm_bo_device *bdev,
struct ttm_resource_manager *man,
const struct ttm_place *place,
--
2.17.1
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^ permalink raw reply related [flat|nested] 18+ messages in thread* [PATCH 02/11] drm/radeon: switch over to the new pin interface
2020-09-21 14:48 Nuke TTM_PL_FLAG_NO_EVICT Christian König
2020-09-21 14:48 ` [PATCH 01/11] drm/ttm: add ttm_bo_pin()/ttm_bo_unpin() Christian König
@ 2020-09-21 14:48 ` Christian König
2020-09-21 14:48 ` [PATCH 03/11] drm/vmwgfx: remove unused placement combination Christian König
` (8 subsequent siblings)
10 siblings, 0 replies; 18+ messages in thread
From: Christian König @ 2020-09-21 14:48 UTC (permalink / raw)
To: dri-devel, airlied, tzimmermann, bskeggs, kraxel, airlied, sroland
Stop using TTM_PL_FLAG_NO_EVICT.
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/radeon/radeon.h | 1 -
drivers/gpu/drm/radeon/radeon_display.c | 9 ++----
drivers/gpu/drm/radeon/radeon_object.c | 37 ++++++-------------------
drivers/gpu/drm/radeon/radeon_object.h | 2 +-
drivers/gpu/drm/radeon/radeon_ttm.c | 2 +-
5 files changed, 13 insertions(+), 38 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index a6d8de01194a..5d54bccebd4d 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -497,7 +497,6 @@ struct radeon_bo {
struct ttm_buffer_object tbo;
struct ttm_bo_kmap_obj kmap;
u32 flags;
- unsigned pin_count;
void *kptr;
u32 tiling_flags;
u32 pitch;
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 7b69d6dfe44a..3eacf33bbe48 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -273,10 +273,7 @@ static void radeon_unpin_work_func(struct work_struct *__work)
/* unpin of the old buffer */
r = radeon_bo_reserve(work->old_rbo, false);
if (likely(r == 0)) {
- r = radeon_bo_unpin(work->old_rbo);
- if (unlikely(r != 0)) {
- DRM_ERROR("failed to unpin buffer after flip\n");
- }
+ radeon_bo_unpin(work->old_rbo);
radeon_bo_unreserve(work->old_rbo);
} else
DRM_ERROR("failed to reserve buffer after flip\n");
@@ -607,9 +604,7 @@ static int radeon_crtc_page_flip_target(struct drm_crtc *crtc,
DRM_ERROR("failed to reserve new rbo in error path\n");
goto cleanup;
}
- if (unlikely(radeon_bo_unpin(new_rbo) != 0)) {
- DRM_ERROR("failed to unpin new rbo in error path\n");
- }
+ radeon_bo_unpin(new_rbo);
radeon_bo_unreserve(new_rbo);
cleanup:
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 316e35d3f8a9..0de267ab3913 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -334,8 +334,8 @@ int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain, u64 max_offset,
if (radeon_ttm_tt_has_userptr(bo->rdev, bo->tbo.ttm))
return -EPERM;
- if (bo->pin_count) {
- bo->pin_count++;
+ if (bo->tbo.pin_count) {
+ ttm_bo_pin(&bo->tbo);
if (gpu_addr)
*gpu_addr = radeon_bo_gpu_offset(bo);
@@ -367,13 +367,11 @@ int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain, u64 max_offset,
bo->rdev->mc.visible_vram_size >> PAGE_SHIFT;
else
bo->placements[i].lpfn = max_offset >> PAGE_SHIFT;
-
- bo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT;
}
r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
if (likely(r == 0)) {
- bo->pin_count = 1;
+ ttm_bo_pin(&bo->tbo);
if (gpu_addr != NULL)
*gpu_addr = radeon_bo_gpu_offset(bo);
if (domain == RADEON_GEM_DOMAIN_VRAM)
@@ -391,32 +389,15 @@ int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr)
return radeon_bo_pin_restricted(bo, domain, 0, gpu_addr);
}
-int radeon_bo_unpin(struct radeon_bo *bo)
+void radeon_bo_unpin(struct radeon_bo *bo)
{
- struct ttm_operation_ctx ctx = { false, false };
- int r, i;
-
- if (!bo->pin_count) {
- dev_warn(bo->rdev->dev, "%p unpin not necessary\n", bo);
- return 0;
- }
- bo->pin_count--;
- if (bo->pin_count)
- return 0;
- for (i = 0; i < bo->placement.num_placement; i++) {
- bo->placements[i].lpfn = 0;
- bo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT;
- }
- r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
- if (likely(r == 0)) {
+ ttm_bo_unpin(&bo->tbo);
+ if (!bo->tbo.pin_count) {
if (bo->tbo.mem.mem_type == TTM_PL_VRAM)
bo->rdev->vram_pin_size -= radeon_bo_size(bo);
else
bo->rdev->gart_pin_size -= radeon_bo_size(bo);
- } else {
- dev_err(bo->rdev->dev, "%p validate failed for unpin\n", bo);
}
- return r;
}
int radeon_bo_evict_vram(struct radeon_device *rdev)
@@ -549,7 +530,7 @@ int radeon_bo_list_validate(struct radeon_device *rdev,
list_for_each_entry(lobj, head, tv.head) {
struct radeon_bo *bo = lobj->robj;
- if (!bo->pin_count) {
+ if (!bo->tbo.pin_count) {
u32 domain = lobj->preferred_domains;
u32 allowed = lobj->allowed_domains;
u32 current_domain =
@@ -629,7 +610,7 @@ int radeon_bo_get_surface_reg(struct radeon_bo *bo)
break;
old_object = reg->bo;
- if (old_object->pin_count == 0)
+ if (old_object->tbo.pin_count == 0)
steal = i;
}
@@ -816,7 +797,7 @@ int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
return 0;
/* Can't move a pinned BO to visible VRAM */
- if (rbo->pin_count > 0)
+ if (rbo->tbo.pin_count > 0)
return -EINVAL;
/* hurrah the memory is not visible ! */
diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h
index 44b47241ee42..e097a915277d 100644
--- a/drivers/gpu/drm/radeon/radeon_object.h
+++ b/drivers/gpu/drm/radeon/radeon_object.h
@@ -149,7 +149,7 @@ extern void radeon_bo_unref(struct radeon_bo **bo);
extern int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr);
extern int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain,
u64 max_offset, u64 *gpu_addr);
-extern int radeon_bo_unpin(struct radeon_bo *bo);
+extern void radeon_bo_unpin(struct radeon_bo *bo);
extern int radeon_bo_evict_vram(struct radeon_device *rdev);
extern void radeon_bo_force_delete(struct radeon_device *rdev);
extern int radeon_bo_init(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 36150b7f31a9..085f58e833d8 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -310,7 +310,7 @@ static int radeon_bo_move(struct ttm_buffer_object *bo, bool evict,
/* Can't move a pinned BO */
rbo = container_of(bo, struct radeon_bo, tbo);
- if (WARN_ON_ONCE(rbo->pin_count > 0))
+ if (WARN_ON_ONCE(rbo->tbo.pin_count > 0))
return -EINVAL;
rdev = radeon_get_rdev(bo->bdev);
--
2.17.1
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^ permalink raw reply related [flat|nested] 18+ messages in thread* [PATCH 03/11] drm/vmwgfx: remove unused placement combination
2020-09-21 14:48 Nuke TTM_PL_FLAG_NO_EVICT Christian König
2020-09-21 14:48 ` [PATCH 01/11] drm/ttm: add ttm_bo_pin()/ttm_bo_unpin() Christian König
2020-09-21 14:48 ` [PATCH 02/11] drm/radeon: switch over to the new pin interface Christian König
@ 2020-09-21 14:48 ` Christian König
2020-09-21 14:48 ` [PATCH 04/11] drm/vmwgfx: stop using ttm_bo_create Christian König
` (7 subsequent siblings)
10 siblings, 0 replies; 18+ messages in thread
From: Christian König @ 2020-09-21 14:48 UTC (permalink / raw)
To: dri-devel, airlied, tzimmermann, bskeggs, kraxel, airlied, sroland
Just some dead code cleanup.
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 1 -
drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | 30 ----------------------
2 files changed, 31 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 1523b51a7284..9ceee4eb0b13 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -1008,7 +1008,6 @@ extern struct ttm_placement vmw_vram_placement;
extern struct ttm_placement vmw_vram_ne_placement;
extern struct ttm_placement vmw_vram_sys_placement;
extern struct ttm_placement vmw_vram_gmr_placement;
-extern struct ttm_placement vmw_vram_gmr_ne_placement;
extern struct ttm_placement vmw_sys_placement;
extern struct ttm_placement vmw_sys_ne_placement;
extern struct ttm_placement vmw_evictable_placement;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
index 7454f797d37b..d7ea658e9910 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
@@ -65,13 +65,6 @@ static const struct ttm_place gmr_placement_flags = {
.flags = TTM_PL_FLAG_CACHED
};
-static const struct ttm_place gmr_ne_placement_flags = {
- .fpfn = 0,
- .lpfn = 0,
- .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,
@@ -128,29 +121,6 @@ struct ttm_placement vmw_vram_gmr_placement = {
.busy_placement = &gmr_placement_flags
};
-static const struct ttm_place vram_gmr_ne_placement_flags[] = {
- {
- .fpfn = 0,
- .lpfn = 0,
- .mem_type = TTM_PL_VRAM,
- .flags = TTM_PL_FLAG_CACHED |
- TTM_PL_FLAG_NO_EVICT
- }, {
- .fpfn = 0,
- .lpfn = 0,
- .mem_type = VMW_PL_GMR,
- .flags = TTM_PL_FLAG_CACHED |
- TTM_PL_FLAG_NO_EVICT
- }
-};
-
-struct ttm_placement vmw_vram_gmr_ne_placement = {
- .num_placement = 2,
- .placement = vram_gmr_ne_placement_flags,
- .num_busy_placement = 1,
- .busy_placement = &gmr_ne_placement_flags
-};
-
struct ttm_placement vmw_vram_sys_placement = {
.num_placement = 1,
.placement = &vram_placement_flags,
--
2.17.1
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^ permalink raw reply related [flat|nested] 18+ messages in thread* [PATCH 04/11] drm/vmwgfx: stop using ttm_bo_create
2020-09-21 14:48 Nuke TTM_PL_FLAG_NO_EVICT Christian König
` (2 preceding siblings ...)
2020-09-21 14:48 ` [PATCH 03/11] drm/vmwgfx: remove unused placement combination Christian König
@ 2020-09-21 14:48 ` Christian König
2020-09-22 6:45 ` Thomas Zimmermann
` (2 more replies)
2020-09-21 14:48 ` [PATCH 05/11] drm/vmwgfx: switch over to the new pin interface Christian König
` (6 subsequent siblings)
10 siblings, 3 replies; 18+ messages in thread
From: Christian König @ 2020-09-21 14:48 UTC (permalink / raw)
To: dri-devel, airlied, tzimmermann, bskeggs, kraxel, airlied, sroland
Implement in the driver instead since it is the only user of that function.
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 42 ++++++++++++++++++++++
drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c | 6 ++--
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 4 +++
drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | 8 ++---
4 files changed, 52 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
index 813f1b148094..30d19b45b602 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
@@ -487,6 +487,48 @@ static void vmw_user_bo_destroy(struct ttm_buffer_object *bo)
ttm_prime_object_kfree(vmw_user_bo, prime);
}
+/**
+ * vmw_bo_create_kernel - Create a pinned BO for internal kernel use.
+ *
+ * @dev_priv: Pointer to the device private struct
+ * @size: size of the BO we need
+ * @placement: where to put it
+ * @p_bo: resulting BO
+ *
+ * Creates and pin a simple BO for in kernel use.
+ */
+int vmw_bo_create_kernel(struct vmw_private *dev_priv, unsigned long size,
+ struct ttm_placement *placement,
+ struct ttm_buffer_object **p_bo)
+{
+ unsigned npages = PAGE_ALIGN(size) >> PAGE_SHIFT;
+ struct ttm_buffer_object *bo;
+ size_t acc_size;
+ int ret;
+
+ bo = kzalloc(sizeof(*bo), GFP_KERNEL);
+ if (unlikely(!bo))
+ return -ENOMEM;
+
+ acc_size = ttm_round_pot(sizeof(*bo));
+ acc_size += ttm_round_pot(npages * sizeof(void *));
+ acc_size += ttm_round_pot(sizeof(struct ttm_tt));
+ ret = ttm_bo_init_reserved(&dev_priv->bdev, bo, size,
+ ttm_bo_type_device, placement, 0,
+ false, acc_size, NULL, NULL, NULL);
+ if (unlikely(ret))
+ goto error_free;
+
+ ttm_bo_pin(bo);
+ ttm_bo_unreserve(bo);
+ *p_bo = bo;
+
+ return 0;
+
+error_free:
+ kfree(bo);
+ return ret;
+}
/**
* vmw_bo_init - Initialize a vmw buffer object
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
index 3b41cf63110a..9a9fe10d829b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
@@ -1245,9 +1245,9 @@ int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man,
!dev_priv->has_mob)
return -ENOMEM;
- ret = ttm_bo_create(&dev_priv->bdev, size, ttm_bo_type_device,
- &vmw_mob_ne_placement, 0, false,
- &man->cmd_space);
+ ret = vmw_bo_create_kernel(dev_priv, size,
+ &vmw_mob_placement,
+ &man->cmd_space);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 9ceee4eb0b13..5d07de5183e1 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -845,6 +845,10 @@ extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
SVGAGuestPtr *ptr);
extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin);
extern void vmw_bo_bo_free(struct ttm_buffer_object *bo);
+extern int vmw_bo_create_kernel(struct vmw_private *dev_priv,
+ unsigned long size,
+ struct ttm_placement *placement,
+ struct ttm_buffer_object **p_bo);
extern int vmw_bo_init(struct vmw_private *dev_priv,
struct vmw_buffer_object *vmw_bo,
size_t size, struct ttm_placement *placement,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
index d7ea658e9910..39a2f720f4ed 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
@@ -793,11 +793,9 @@ int vmw_bo_create_and_populate(struct vmw_private *dev_priv,
struct ttm_buffer_object *bo;
int ret;
- ret = ttm_bo_create(&dev_priv->bdev, bo_size,
- ttm_bo_type_device,
- &vmw_sys_ne_placement,
- 0, false, &bo);
-
+ ret = vmw_bo_create_kernel(dev_priv, bo_size,
+ &vmw_sys_placement,
+ &bo);
if (unlikely(ret != 0))
return ret;
--
2.17.1
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dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply related [flat|nested] 18+ messages in thread* Re: [PATCH 04/11] drm/vmwgfx: stop using ttm_bo_create
2020-09-21 14:48 ` [PATCH 04/11] drm/vmwgfx: stop using ttm_bo_create Christian König
@ 2020-09-22 6:45 ` Thomas Zimmermann
2020-09-22 8:25 ` Christian König
2020-09-23 3:50 ` kernel test robot
2020-09-23 16:40 ` kernel test robot
2 siblings, 1 reply; 18+ messages in thread
From: Thomas Zimmermann @ 2020-09-22 6:45 UTC (permalink / raw)
To: Christian König, dri-devel, airlied, bskeggs, kraxel,
airlied, sroland
[-- Attachment #1.1.1: Type: text/plain, Size: 4603 bytes --]
Hi
Am 21.09.20 um 16:48 schrieb Christian König:
> Implement in the driver instead since it is the only user of that function.
Maybe merge this patch with patch 10.
Best regards
Thomas
>
> Signed-off-by: Christian König <christian.koenig@amd.com>
> ---
> drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 42 ++++++++++++++++++++++
> drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c | 6 ++--
> drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 4 +++
> drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | 8 ++---
> 4 files changed, 52 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
> index 813f1b148094..30d19b45b602 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
> @@ -487,6 +487,48 @@ static void vmw_user_bo_destroy(struct ttm_buffer_object *bo)
> ttm_prime_object_kfree(vmw_user_bo, prime);
> }
>
> +/**
> + * vmw_bo_create_kernel - Create a pinned BO for internal kernel use.
> + *
> + * @dev_priv: Pointer to the device private struct
> + * @size: size of the BO we need
> + * @placement: where to put it
> + * @p_bo: resulting BO
> + *
> + * Creates and pin a simple BO for in kernel use.
> + */
> +int vmw_bo_create_kernel(struct vmw_private *dev_priv, unsigned long size,
> + struct ttm_placement *placement,
> + struct ttm_buffer_object **p_bo)
> +{
> + unsigned npages = PAGE_ALIGN(size) >> PAGE_SHIFT;
> + struct ttm_buffer_object *bo;
> + size_t acc_size;
> + int ret;
> +
> + bo = kzalloc(sizeof(*bo), GFP_KERNEL);
> + if (unlikely(!bo))
> + return -ENOMEM;
> +
> + acc_size = ttm_round_pot(sizeof(*bo));
> + acc_size += ttm_round_pot(npages * sizeof(void *));
> + acc_size += ttm_round_pot(sizeof(struct ttm_tt));
> + ret = ttm_bo_init_reserved(&dev_priv->bdev, bo, size,
> + ttm_bo_type_device, placement, 0,
> + false, acc_size, NULL, NULL, NULL);
> + if (unlikely(ret))
> + goto error_free;
> +
> + ttm_bo_pin(bo);
> + ttm_bo_unreserve(bo);
> + *p_bo = bo;
> +
> + return 0;
> +
> +error_free:
> + kfree(bo);
> + return ret;
> +}
>
> /**
> * vmw_bo_init - Initialize a vmw buffer object
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
> index 3b41cf63110a..9a9fe10d829b 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
> @@ -1245,9 +1245,9 @@ int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man,
> !dev_priv->has_mob)
> return -ENOMEM;
>
> - ret = ttm_bo_create(&dev_priv->bdev, size, ttm_bo_type_device,
> - &vmw_mob_ne_placement, 0, false,
> - &man->cmd_space);
> + ret = vmw_bo_create_kernel(dev_priv, size,
> + &vmw_mob_placement,
> + &man->cmd_space);
> if (ret)
> return ret;
>
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
> index 9ceee4eb0b13..5d07de5183e1 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
> @@ -845,6 +845,10 @@ extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
> SVGAGuestPtr *ptr);
> extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin);
> extern void vmw_bo_bo_free(struct ttm_buffer_object *bo);
> +extern int vmw_bo_create_kernel(struct vmw_private *dev_priv,
> + unsigned long size,
> + struct ttm_placement *placement,
> + struct ttm_buffer_object **p_bo);
> extern int vmw_bo_init(struct vmw_private *dev_priv,
> struct vmw_buffer_object *vmw_bo,
> size_t size, struct ttm_placement *placement,
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
> index d7ea658e9910..39a2f720f4ed 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
> @@ -793,11 +793,9 @@ int vmw_bo_create_and_populate(struct vmw_private *dev_priv,
> struct ttm_buffer_object *bo;
> int ret;
>
> - ret = ttm_bo_create(&dev_priv->bdev, bo_size,
> - ttm_bo_type_device,
> - &vmw_sys_ne_placement,
> - 0, false, &bo);
> -
> + ret = vmw_bo_create_kernel(dev_priv, bo_size,
> + &vmw_sys_placement,
> + &bo);
> if (unlikely(ret != 0))
> return ret;
>
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
[-- Attachment #1.2: OpenPGP digital signature --]
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[-- Attachment #2: Type: text/plain, Size: 160 bytes --]
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 18+ messages in thread* Re: [PATCH 04/11] drm/vmwgfx: stop using ttm_bo_create
2020-09-22 6:45 ` Thomas Zimmermann
@ 2020-09-22 8:25 ` Christian König
0 siblings, 0 replies; 18+ messages in thread
From: Christian König @ 2020-09-22 8:25 UTC (permalink / raw)
To: Thomas Zimmermann, dri-devel, airlied, bskeggs, kraxel, airlied, sroland
Am 22.09.20 um 08:45 schrieb Thomas Zimmermann:
> Hi
>
> Am 21.09.20 um 16:48 schrieb Christian König:
>> Implement in the driver instead since it is the only user of that function.
> Maybe merge this patch with patch 10.
That's how I initially did it as well, but then found a number of bugs
in the VMware patches and so thought it would be better to separate it
(less code to revert and double check).
Regards,
Christian.
>
> Best regards
> Thomas
>
>> Signed-off-by: Christian König <christian.koenig@amd.com>
>> ---
>> drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 42 ++++++++++++++++++++++
>> drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c | 6 ++--
>> drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 4 +++
>> drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | 8 ++---
>> 4 files changed, 52 insertions(+), 8 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
>> index 813f1b148094..30d19b45b602 100644
>> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
>> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
>> @@ -487,6 +487,48 @@ static void vmw_user_bo_destroy(struct ttm_buffer_object *bo)
>> ttm_prime_object_kfree(vmw_user_bo, prime);
>> }
>>
>> +/**
>> + * vmw_bo_create_kernel - Create a pinned BO for internal kernel use.
>> + *
>> + * @dev_priv: Pointer to the device private struct
>> + * @size: size of the BO we need
>> + * @placement: where to put it
>> + * @p_bo: resulting BO
>> + *
>> + * Creates and pin a simple BO for in kernel use.
>> + */
>> +int vmw_bo_create_kernel(struct vmw_private *dev_priv, unsigned long size,
>> + struct ttm_placement *placement,
>> + struct ttm_buffer_object **p_bo)
>> +{
>> + unsigned npages = PAGE_ALIGN(size) >> PAGE_SHIFT;
>> + struct ttm_buffer_object *bo;
>> + size_t acc_size;
>> + int ret;
>> +
>> + bo = kzalloc(sizeof(*bo), GFP_KERNEL);
>> + if (unlikely(!bo))
>> + return -ENOMEM;
>> +
>> + acc_size = ttm_round_pot(sizeof(*bo));
>> + acc_size += ttm_round_pot(npages * sizeof(void *));
>> + acc_size += ttm_round_pot(sizeof(struct ttm_tt));
>> + ret = ttm_bo_init_reserved(&dev_priv->bdev, bo, size,
>> + ttm_bo_type_device, placement, 0,
>> + false, acc_size, NULL, NULL, NULL);
>> + if (unlikely(ret))
>> + goto error_free;
>> +
>> + ttm_bo_pin(bo);
>> + ttm_bo_unreserve(bo);
>> + *p_bo = bo;
>> +
>> + return 0;
>> +
>> +error_free:
>> + kfree(bo);
>> + return ret;
>> +}
>>
>> /**
>> * vmw_bo_init - Initialize a vmw buffer object
>> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
>> index 3b41cf63110a..9a9fe10d829b 100644
>> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
>> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
>> @@ -1245,9 +1245,9 @@ int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man,
>> !dev_priv->has_mob)
>> return -ENOMEM;
>>
>> - ret = ttm_bo_create(&dev_priv->bdev, size, ttm_bo_type_device,
>> - &vmw_mob_ne_placement, 0, false,
>> - &man->cmd_space);
>> + ret = vmw_bo_create_kernel(dev_priv, size,
>> + &vmw_mob_placement,
>> + &man->cmd_space);
>> if (ret)
>> return ret;
>>
>> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
>> index 9ceee4eb0b13..5d07de5183e1 100644
>> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
>> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
>> @@ -845,6 +845,10 @@ extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
>> SVGAGuestPtr *ptr);
>> extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin);
>> extern void vmw_bo_bo_free(struct ttm_buffer_object *bo);
>> +extern int vmw_bo_create_kernel(struct vmw_private *dev_priv,
>> + unsigned long size,
>> + struct ttm_placement *placement,
>> + struct ttm_buffer_object **p_bo);
>> extern int vmw_bo_init(struct vmw_private *dev_priv,
>> struct vmw_buffer_object *vmw_bo,
>> size_t size, struct ttm_placement *placement,
>> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
>> index d7ea658e9910..39a2f720f4ed 100644
>> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
>> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
>> @@ -793,11 +793,9 @@ int vmw_bo_create_and_populate(struct vmw_private *dev_priv,
>> struct ttm_buffer_object *bo;
>> int ret;
>>
>> - ret = ttm_bo_create(&dev_priv->bdev, bo_size,
>> - ttm_bo_type_device,
>> - &vmw_sys_ne_placement,
>> - 0, false, &bo);
>> -
>> + ret = vmw_bo_create_kernel(dev_priv, bo_size,
>> + &vmw_sys_placement,
>> + &bo);
>> if (unlikely(ret != 0))
>> return ret;
>>
>>
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 18+ messages in thread
* Re: [PATCH 04/11] drm/vmwgfx: stop using ttm_bo_create
2020-09-21 14:48 ` [PATCH 04/11] drm/vmwgfx: stop using ttm_bo_create Christian König
2020-09-22 6:45 ` Thomas Zimmermann
@ 2020-09-23 3:50 ` kernel test robot
2020-09-23 16:40 ` kernel test robot
2 siblings, 0 replies; 18+ messages in thread
From: kernel test robot @ 2020-09-23 3:50 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 3632 bytes --]
Hi "Christian,
I love your patch! Perhaps something to improve:
[auto build test WARNING on drm-tip/drm-tip]
[also build test WARNING on next-20200922]
[cannot apply to drm-exynos/exynos-drm-next drm-intel/for-linux-next tegra-drm/drm/tegra/for-next linus/master drm/drm-next v5.9-rc6]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Christian-K-nig/drm-ttm-add-ttm_bo_pin-ttm_bo_unpin/20200921-234857
base: git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: x86_64-randconfig-a005-20200921 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 4e8c028158b56d9c2142a62464e8e0686bde3584)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/vmwgfx/vmwgfx_bo.c:518:8: warning: expression which evaluates to zero treated as a null pointer constant of type 'struct ttm_operation_ctx *' [-Wnon-literal-null-conversion]
false, acc_size, NULL, NULL, NULL);
^~~~~
1 warning generated.
# https://github.com/0day-ci/linux/commit/4f52191faabdaf44db9409b13ccea5ec0da52704
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Christian-K-nig/drm-ttm-add-ttm_bo_pin-ttm_bo_unpin/20200921-234857
git checkout 4f52191faabdaf44db9409b13ccea5ec0da52704
vim +518 drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
489
490 /**
491 * vmw_bo_create_kernel - Create a pinned BO for internal kernel use.
492 *
493 * @dev_priv: Pointer to the device private struct
494 * @size: size of the BO we need
495 * @placement: where to put it
496 * @p_bo: resulting BO
497 *
498 * Creates and pin a simple BO for in kernel use.
499 */
500 int vmw_bo_create_kernel(struct vmw_private *dev_priv, unsigned long size,
501 struct ttm_placement *placement,
502 struct ttm_buffer_object **p_bo)
503 {
504 unsigned npages = PAGE_ALIGN(size) >> PAGE_SHIFT;
505 struct ttm_buffer_object *bo;
506 size_t acc_size;
507 int ret;
508
509 bo = kzalloc(sizeof(*bo), GFP_KERNEL);
510 if (unlikely(!bo))
511 return -ENOMEM;
512
513 acc_size = ttm_round_pot(sizeof(*bo));
514 acc_size += ttm_round_pot(npages * sizeof(void *));
515 acc_size += ttm_round_pot(sizeof(struct ttm_tt));
516 ret = ttm_bo_init_reserved(&dev_priv->bdev, bo, size,
517 ttm_bo_type_device, placement, 0,
> 518 false, acc_size, NULL, NULL, NULL);
519 if (unlikely(ret))
520 goto error_free;
521
522 ttm_bo_pin(bo);
523 ttm_bo_unreserve(bo);
524 *p_bo = bo;
525
526 return 0;
527
528 error_free:
529 kfree(bo);
530 return ret;
531 }
532
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 28068 bytes --]
^ permalink raw reply [flat|nested] 18+ messages in thread* Re: [PATCH 04/11] drm/vmwgfx: stop using ttm_bo_create
2020-09-21 14:48 ` [PATCH 04/11] drm/vmwgfx: stop using ttm_bo_create Christian König
2020-09-22 6:45 ` Thomas Zimmermann
2020-09-23 3:50 ` kernel test robot
@ 2020-09-23 16:40 ` kernel test robot
2 siblings, 0 replies; 18+ messages in thread
From: kernel test robot @ 2020-09-23 16:40 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 3128 bytes --]
Hi "Christian,
I love your patch! Perhaps something to improve:
[auto build test WARNING on drm-tip/drm-tip]
[also build test WARNING on next-20200923]
[cannot apply to drm-exynos/exynos-drm-next drm-intel/for-linux-next tegra-drm/drm/tegra/for-next linus/master drm/drm-next v5.9-rc6]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Christian-K-nig/drm-ttm-add-ttm_bo_pin-ttm_bo_unpin/20200921-234857
base: git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: i386-randconfig-s031-20200923 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.2-201-g24bdaac6-dirty
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/vmwgfx/vmwgfx_bo.c:518:36: sparse: sparse: Using plain integer as NULL pointer
# https://github.com/0day-ci/linux/commit/4f52191faabdaf44db9409b13ccea5ec0da52704
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Christian-K-nig/drm-ttm-add-ttm_bo_pin-ttm_bo_unpin/20200921-234857
git checkout 4f52191faabdaf44db9409b13ccea5ec0da52704
vim +518 drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
489
490 /**
491 * vmw_bo_create_kernel - Create a pinned BO for internal kernel use.
492 *
493 * @dev_priv: Pointer to the device private struct
494 * @size: size of the BO we need
495 * @placement: where to put it
496 * @p_bo: resulting BO
497 *
498 * Creates and pin a simple BO for in kernel use.
499 */
500 int vmw_bo_create_kernel(struct vmw_private *dev_priv, unsigned long size,
501 struct ttm_placement *placement,
502 struct ttm_buffer_object **p_bo)
503 {
504 unsigned npages = PAGE_ALIGN(size) >> PAGE_SHIFT;
505 struct ttm_buffer_object *bo;
506 size_t acc_size;
507 int ret;
508
509 bo = kzalloc(sizeof(*bo), GFP_KERNEL);
510 if (unlikely(!bo))
511 return -ENOMEM;
512
513 acc_size = ttm_round_pot(sizeof(*bo));
514 acc_size += ttm_round_pot(npages * sizeof(void *));
515 acc_size += ttm_round_pot(sizeof(struct ttm_tt));
516 ret = ttm_bo_init_reserved(&dev_priv->bdev, bo, size,
517 ttm_bo_type_device, placement, 0,
> 518 false, acc_size, NULL, NULL, NULL);
519 if (unlikely(ret))
520 goto error_free;
521
522 ttm_bo_pin(bo);
523 ttm_bo_unreserve(bo);
524 *p_bo = bo;
525
526 return 0;
527
528 error_free:
529 kfree(bo);
530 return ret;
531 }
532
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 36846 bytes --]
^ permalink raw reply [flat|nested] 18+ messages in thread
* [PATCH 05/11] drm/vmwgfx: switch over to the new pin interface
2020-09-21 14:48 Nuke TTM_PL_FLAG_NO_EVICT Christian König
` (3 preceding siblings ...)
2020-09-21 14:48 ` [PATCH 04/11] drm/vmwgfx: stop using ttm_bo_create Christian König
@ 2020-09-21 14:48 ` Christian König
2020-09-21 14:48 ` [PATCH 06/11] drm/vram-helper: " Christian König
` (5 subsequent siblings)
10 siblings, 0 replies; 18+ messages in thread
From: Christian König @ 2020-09-21 14:48 UTC (permalink / raw)
To: dri-devel, airlied, tzimmermann, bskeggs, kraxel, airlied, sroland
Stop using TTM_PL_FLAG_NO_EVICT.
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/vmwgfx/vmwgfx_blit.c | 4 +-
drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 48 +++++++++++-----------
drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c | 4 +-
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 2 +-
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 7 +---
drivers/gpu/drm/vmwgfx/vmwgfx_fb.c | 2 +-
drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 4 +-
drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c | 4 +-
drivers/gpu/drm/vmwgfx/vmwgfx_shader.c | 4 +-
drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | 42 -------------------
drivers/gpu/drm/vmwgfx/vmwgfx_validation.c | 2 +-
11 files changed, 38 insertions(+), 85 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c b/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c
index e8d66182cd7b..ea2f2f937eb3 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c
@@ -459,9 +459,9 @@ int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
int ret = 0;
/* Buffer objects need to be either pinned or reserved: */
- if (!(dst->mem.placement & TTM_PL_FLAG_NO_EVICT))
+ if (!(dst->pin_count))
dma_resv_assert_held(dst->base.resv);
- if (!(src->mem.placement & TTM_PL_FLAG_NO_EVICT))
+ if (!(src->pin_count))
dma_resv_assert_held(src->base.resv);
if (!ttm_tt_is_populated(dst->ttm)) {
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
index 30d19b45b602..236eaa163917 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
@@ -106,7 +106,7 @@ int vmw_bo_pin_in_placement(struct vmw_private *dev_priv,
if (unlikely(ret != 0))
goto err;
- if (buf->pin_count > 0)
+ if (buf->base.pin_count > 0)
ret = ttm_bo_mem_compat(placement, &bo->mem,
&new_flags) == true ? 0 : -EINVAL;
else
@@ -155,7 +155,7 @@ int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv,
if (unlikely(ret != 0))
goto err;
- if (buf->pin_count > 0) {
+ if (buf->base.pin_count > 0) {
ret = ttm_bo_mem_compat(&vmw_vram_gmr_placement, &bo->mem,
&new_flags) == true ? 0 : -EINVAL;
goto out_unreserve;
@@ -246,12 +246,12 @@ int vmw_bo_pin_in_start_of_vram(struct vmw_private *dev_priv,
if (bo->mem.mem_type == TTM_PL_VRAM &&
bo->mem.start < bo->num_pages &&
bo->mem.start > 0 &&
- buf->pin_count == 0) {
+ buf->base.pin_count == 0) {
ctx.interruptible = false;
(void) ttm_bo_validate(bo, &vmw_sys_placement, &ctx);
}
- if (buf->pin_count > 0)
+ if (buf->base.pin_count > 0)
ret = ttm_bo_mem_compat(&placement, &bo->mem,
&new_flags) == true ? 0 : -EINVAL;
else
@@ -343,23 +343,13 @@ void vmw_bo_pin_reserved(struct vmw_buffer_object *vbo, bool pin)
dma_resv_assert_held(bo->base.resv);
- if (pin) {
- if (vbo->pin_count++ > 0)
- return;
- } else {
- WARN_ON(vbo->pin_count <= 0);
- if (--vbo->pin_count > 0)
- return;
- }
+ if (pin == !!bo->pin_count)
+ return;
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;
- else
- pl.flags &= ~TTM_PL_FLAG_NO_EVICT;
memset(&placement, 0, sizeof(placement));
placement.num_placement = 1;
@@ -368,8 +358,12 @@ void vmw_bo_pin_reserved(struct vmw_buffer_object *vbo, bool pin)
ret = ttm_bo_validate(bo, &placement, &ctx);
BUG_ON(ret != 0 || bo->mem.mem_type != old_mem_type);
-}
+ if (pin)
+ ttm_bo_pin(bo);
+ else
+ ttm_bo_unpin(bo);
+}
/**
* vmw_bo_map_and_cache - Map a buffer object and cache the map
@@ -538,6 +532,7 @@ int vmw_bo_create_kernel(struct vmw_private *dev_priv, unsigned long size,
* @size: Buffer object size in bytes.
* @placement: Initial placement.
* @interruptible: Whether waits should be performed interruptible.
+ * @pin: If the BO should be created pinned at a fixed location.
* @bo_free: The buffer object destructor.
* Returns: Zero on success, negative error code on error.
*
@@ -546,9 +541,10 @@ int vmw_bo_create_kernel(struct vmw_private *dev_priv, unsigned long size,
int vmw_bo_init(struct vmw_private *dev_priv,
struct vmw_buffer_object *vmw_bo,
size_t size, struct ttm_placement *placement,
- bool interruptible,
+ bool interruptible, bool pin,
void (*bo_free)(struct ttm_buffer_object *bo))
{
+ struct ttm_operation_ctx ctx = { interruptible, false };
struct ttm_bo_device *bdev = &dev_priv->bdev;
size_t acc_size;
int ret;
@@ -562,11 +558,15 @@ int vmw_bo_init(struct vmw_private *dev_priv,
vmw_bo->base.priority = 3;
vmw_bo->res_tree = RB_ROOT;
- ret = ttm_bo_init(bdev, &vmw_bo->base, size,
- ttm_bo_type_device, placement,
- 0, interruptible, acc_size,
- NULL, NULL, bo_free);
- return ret;
+ ret = ttm_bo_init_reserved(bdev, &vmw_bo->base, size,
+ ttm_bo_type_device, placement,
+ 0, &ctx, acc_size, NULL, NULL, bo_free);
+ if (unlikely(ret))
+ return ret;
+
+ ttm_bo_pin(&vmw_bo->base);
+ ttm_bo_unreserve(&vmw_bo->base);
+ return 0;
}
@@ -655,7 +655,7 @@ int vmw_user_bo_alloc(struct vmw_private *dev_priv,
ret = vmw_bo_init(dev_priv, &user_bo->vbo, size,
(dev_priv->has_mob) ?
&vmw_sys_placement :
- &vmw_vram_sys_placement, true,
+ &vmw_vram_sys_placement, true, false,
&vmw_user_bo_destroy);
if (unlikely(ret != 0))
return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
index 65e8e7a97724..984d8884357d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
@@ -410,8 +410,8 @@ static int vmw_cotable_resize(struct vmw_resource *res, size_t new_size)
if (!buf)
return -ENOMEM;
- ret = vmw_bo_init(dev_priv, buf, new_size, &vmw_mob_ne_placement,
- true, vmw_bo_bo_free);
+ ret = vmw_bo_init(dev_priv, buf, new_size, &vmw_mob_placement,
+ true, true, vmw_bo_bo_free);
if (ret) {
DRM_ERROR("Failed initializing new cotable MOB.\n");
return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 31e3e5c9f362..bdb7a5e96560 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -372,7 +372,7 @@ static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv)
return -ENOMEM;
ret = vmw_bo_init(dev_priv, vbo, PAGE_SIZE,
- &vmw_sys_ne_placement, false,
+ &vmw_sys_placement, false, true,
&vmw_bo_bo_free);
if (unlikely(ret != 0))
return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 5d07de5183e1..b45becbb00f8 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -99,7 +99,6 @@ struct vmw_fpriv {
* struct vmw_buffer_object - TTM buffer object with vmwgfx additions
* @base: The TTM buffer object
* @res_tree: RB tree of resources using this buffer object as a backing MOB
- * @pin_count: pin depth
* @cpu_writers: Number of synccpu write grabs. Protected by reservation when
* increased. May be decreased without reservation.
* @dx_query_ctx: DX context if this buffer object is used as a DX query MOB
@@ -110,7 +109,6 @@ struct vmw_fpriv {
struct vmw_buffer_object {
struct ttm_buffer_object base;
struct rb_root res_tree;
- s32 pin_count;
atomic_t cpu_writers;
/* Not ref-counted. Protected by binding_mutex */
struct vmw_resource *dx_query_ctx;
@@ -852,7 +850,7 @@ extern int vmw_bo_create_kernel(struct vmw_private *dev_priv,
extern int vmw_bo_init(struct vmw_private *dev_priv,
struct vmw_buffer_object *vmw_bo,
size_t size, struct ttm_placement *placement,
- bool interruptible,
+ bool interruptible, bool pin,
void (*bo_free)(struct ttm_buffer_object *bo));
extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo,
struct ttm_object_file *tfile);
@@ -1009,15 +1007,12 @@ extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv,
extern const size_t vmw_tt_size;
extern struct ttm_placement vmw_vram_placement;
-extern struct ttm_placement vmw_vram_ne_placement;
extern struct ttm_placement vmw_vram_sys_placement;
extern struct ttm_placement vmw_vram_gmr_placement;
extern struct ttm_placement vmw_sys_placement;
-extern struct ttm_placement vmw_sys_ne_placement;
extern struct ttm_placement vmw_evictable_placement;
extern struct ttm_placement vmw_srf_placement;
extern struct ttm_placement vmw_mob_placement;
-extern struct ttm_placement vmw_mob_ne_placement;
extern struct ttm_placement vmw_nonfixed_placement;
extern struct ttm_bo_driver vmw_bo_driver;
extern const struct vmw_sg_table *
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index c59806d40e15..4d60201037d1 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -406,7 +406,7 @@ static int vmw_fb_create_bo(struct vmw_private *vmw_priv,
ret = vmw_bo_init(vmw_priv, vmw_bo, size,
&vmw_sys_placement,
- false,
+ false, false,
&vmw_bo_bo_free);
if (unlikely(ret != 0))
goto err_unlock; /* init frees the buffer on failure */
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index c0f156078dda..5e922d9d5f2c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -370,7 +370,7 @@ static int vmw_resource_buf_alloc(struct vmw_resource *res,
ret = vmw_bo_init(res->dev_priv, backup, res->backup_size,
res->func->backup_placement,
- interruptible,
+ interruptible, false,
&vmw_bo_bo_free);
if (unlikely(ret != 0))
goto out_no_bo;
@@ -1002,7 +1002,7 @@ int vmw_resource_pin(struct vmw_resource *res, bool interruptible)
vbo = res->backup;
ttm_bo_reserve(&vbo->base, interruptible, false, NULL);
- if (!vbo->pin_count) {
+ if (!vbo->base.pin_count) {
ret = ttm_bo_validate
(&vbo->base,
res->func->backup_placement,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
index 4bf0f5ec4fc2..0a53d189fceb 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
@@ -451,8 +451,8 @@ vmw_sou_primary_plane_prepare_fb(struct drm_plane *plane,
*/
vmw_overlay_pause_all(dev_priv);
ret = vmw_bo_init(dev_priv, vps->bo, size,
- &vmw_vram_ne_placement,
- false, &vmw_bo_bo_free);
+ &vmw_vram_placement,
+ false, true, &vmw_bo_bo_free);
vmw_overlay_resume_all(dev_priv);
if (ret) {
vps->bo = NULL; /* vmw_bo_init frees on error */
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
index e139fdfd1635..f328aa5839a2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
@@ -978,8 +978,8 @@ int vmw_compat_shader_add(struct vmw_private *dev_priv,
if (unlikely(!buf))
return -ENOMEM;
- ret = vmw_bo_init(dev_priv, buf, size, &vmw_sys_ne_placement,
- true, vmw_bo_bo_free);
+ ret = vmw_bo_init(dev_priv, buf, size, &vmw_sys_placement,
+ true, true, vmw_bo_bo_free);
if (unlikely(ret != 0))
goto out;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
index 39a2f720f4ed..fc68f54df46a 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
@@ -37,13 +37,6 @@ static const struct ttm_place vram_placement_flags = {
.flags = TTM_PL_FLAG_CACHED
};
-static const struct ttm_place vram_ne_placement_flags = {
- .fpfn = 0,
- .lpfn = 0,
- .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,
@@ -51,13 +44,6 @@ static const struct ttm_place sys_placement_flags = {
.flags = TTM_PL_FLAG_CACHED
};
-static const struct ttm_place sys_ne_placement_flags = {
- .fpfn = 0,
- .lpfn = 0,
- .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,
@@ -72,13 +58,6 @@ static const struct ttm_place mob_placement_flags = {
.flags = TTM_PL_FLAG_CACHED
};
-static const struct ttm_place mob_ne_placement_flags = {
- .fpfn = 0,
- .lpfn = 0,
- .mem_type = VMW_PL_MOB,
- .flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
-};
-
struct ttm_placement vmw_vram_placement = {
.num_placement = 1,
.placement = &vram_placement_flags,
@@ -128,13 +107,6 @@ struct ttm_placement vmw_vram_sys_placement = {
.busy_placement = &sys_placement_flags
};
-struct ttm_placement vmw_vram_ne_placement = {
- .num_placement = 1,
- .placement = &vram_ne_placement_flags,
- .num_busy_placement = 1,
- .busy_placement = &vram_ne_placement_flags
-};
-
struct ttm_placement vmw_sys_placement = {
.num_placement = 1,
.placement = &sys_placement_flags,
@@ -142,13 +114,6 @@ struct ttm_placement vmw_sys_placement = {
.busy_placement = &sys_placement_flags
};
-struct ttm_placement vmw_sys_ne_placement = {
- .num_placement = 1,
- .placement = &sys_ne_placement_flags,
- .num_busy_placement = 1,
- .busy_placement = &sys_ne_placement_flags
-};
-
static const struct ttm_place evictable_placement_flags[] = {
{
.fpfn = 0,
@@ -213,13 +178,6 @@ struct ttm_placement vmw_mob_placement = {
.busy_placement = &mob_placement_flags
};
-struct ttm_placement vmw_mob_ne_placement = {
- .num_placement = 1,
- .num_busy_placement = 1,
- .placement = &mob_ne_placement_flags,
- .busy_placement = &mob_ne_placement_flags
-};
-
struct ttm_placement vmw_nonfixed_placement = {
.num_placement = 3,
.placement = nonfixed_placement_flags,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
index e69bc373ae2e..f2e2bf6d1421 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
@@ -540,7 +540,7 @@ int vmw_validation_bo_validate_single(struct ttm_buffer_object *bo,
if (atomic_read(&vbo->cpu_writers))
return -EBUSY;
- if (vbo->pin_count > 0)
+ if (vbo->base.pin_count > 0)
return 0;
if (validate_as_mob)
--
2.17.1
_______________________________________________
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dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply related [flat|nested] 18+ messages in thread* [PATCH 06/11] drm/vram-helper: switch over to the new pin interface
2020-09-21 14:48 Nuke TTM_PL_FLAG_NO_EVICT Christian König
` (4 preceding siblings ...)
2020-09-21 14:48 ` [PATCH 05/11] drm/vmwgfx: switch over to the new pin interface Christian König
@ 2020-09-21 14:48 ` Christian König
2020-09-22 6:44 ` Thomas Zimmermann
2020-09-21 14:48 ` [PATCH 07/11] drm/qxl: " Christian König
` (4 subsequent siblings)
10 siblings, 1 reply; 18+ messages in thread
From: Christian König @ 2020-09-21 14:48 UTC (permalink / raw)
To: dri-devel, airlied, tzimmermann, bskeggs, kraxel, airlied, sroland
Stop using TTM_PL_FLAG_NO_EVICT.
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/drm_gem_vram_helper.c | 37 +++++++--------------------
include/drm/drm_gem_vram_helper.h | 3 ---
2 files changed, 9 insertions(+), 31 deletions(-)
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 50cad0e4a92e..bd3dd17ad81d 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -301,7 +301,7 @@ static u64 drm_gem_vram_pg_offset(struct drm_gem_vram_object *gbo)
*/
s64 drm_gem_vram_offset(struct drm_gem_vram_object *gbo)
{
- if (WARN_ON_ONCE(!gbo->pin_count))
+ if (WARN_ON_ONCE(!gbo->bo.pin_count))
return (s64)-ENODEV;
return drm_gem_vram_pg_offset(gbo) << PAGE_SHIFT;
}
@@ -310,24 +310,21 @@ EXPORT_SYMBOL(drm_gem_vram_offset);
static int drm_gem_vram_pin_locked(struct drm_gem_vram_object *gbo,
unsigned long pl_flag)
{
- int i, ret;
struct ttm_operation_ctx ctx = { false, false };
+ int ret;
- if (gbo->pin_count)
+ if (gbo->bo.pin_count)
goto out;
if (pl_flag)
drm_gem_vram_placement(gbo, pl_flag);
- for (i = 0; i < gbo->placement.num_placement; ++i)
- gbo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT;
-
ret = ttm_bo_validate(&gbo->bo, &gbo->placement, &ctx);
if (ret < 0)
return ret;
out:
- ++gbo->pin_count;
+ ttm_bo_pin(&gbo->bo);
return 0;
}
@@ -369,26 +366,9 @@ int drm_gem_vram_pin(struct drm_gem_vram_object *gbo, unsigned long pl_flag)
}
EXPORT_SYMBOL(drm_gem_vram_pin);
-static int drm_gem_vram_unpin_locked(struct drm_gem_vram_object *gbo)
+static void drm_gem_vram_unpin_locked(struct drm_gem_vram_object *gbo)
{
- int i, ret;
- struct ttm_operation_ctx ctx = { false, false };
-
- if (WARN_ON_ONCE(!gbo->pin_count))
- return 0;
-
- --gbo->pin_count;
- if (gbo->pin_count)
- return 0;
-
- for (i = 0; i < gbo->placement.num_placement ; ++i)
- gbo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT;
-
- ret = ttm_bo_validate(&gbo->bo, &gbo->placement, &ctx);
- if (ret < 0)
- return ret;
-
- return 0;
+ ttm_bo_unpin(&gbo->bo);
}
/**
@@ -406,10 +386,11 @@ int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo)
ret = ttm_bo_reserve(&gbo->bo, true, false, NULL);
if (ret)
return ret;
- ret = drm_gem_vram_unpin_locked(gbo);
+
+ drm_gem_vram_unpin_locked(gbo);
ttm_bo_unreserve(&gbo->bo);
- return ret;
+ return 0;
}
EXPORT_SYMBOL(drm_gem_vram_unpin);
diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
index 62cc6e6c3a4f..128f88174d32 100644
--- a/include/drm/drm_gem_vram_helper.h
+++ b/include/drm/drm_gem_vram_helper.h
@@ -35,7 +35,6 @@ struct vm_area_struct;
* @placement: TTM placement information. Supported placements are \
%TTM_PL_VRAM and %TTM_PL_SYSTEM
* @placements: TTM placement information.
- * @pin_count: Pin counter
*
* The type struct drm_gem_vram_object represents a GEM object that is
* backed by VRAM. It can be used for simple framebuffer devices with
@@ -64,8 +63,6 @@ struct drm_gem_vram_object {
/* Supported placements are %TTM_PL_VRAM and %TTM_PL_SYSTEM */
struct ttm_placement placement;
struct ttm_place placements[2];
-
- int pin_count;
};
/**
--
2.17.1
_______________________________________________
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dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply related [flat|nested] 18+ messages in thread* Re: [PATCH 06/11] drm/vram-helper: switch over to the new pin interface
2020-09-21 14:48 ` [PATCH 06/11] drm/vram-helper: " Christian König
@ 2020-09-22 6:44 ` Thomas Zimmermann
0 siblings, 0 replies; 18+ messages in thread
From: Thomas Zimmermann @ 2020-09-22 6:44 UTC (permalink / raw)
To: Christian König, dri-devel, airlied, bskeggs, kraxel,
airlied, sroland
[-- Attachment #1.1.1: Type: text/plain, Size: 3889 bytes --]
Hi
Am 21.09.20 um 16:48 schrieb Christian König:
> Stop using TTM_PL_FLAG_NO_EVICT.
>
> Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
> ---
> drivers/gpu/drm/drm_gem_vram_helper.c | 37 +++++++--------------------
> include/drm/drm_gem_vram_helper.h | 3 ---
> 2 files changed, 9 insertions(+), 31 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
> index 50cad0e4a92e..bd3dd17ad81d 100644
> --- a/drivers/gpu/drm/drm_gem_vram_helper.c
> +++ b/drivers/gpu/drm/drm_gem_vram_helper.c
> @@ -301,7 +301,7 @@ static u64 drm_gem_vram_pg_offset(struct drm_gem_vram_object *gbo)
> */
> s64 drm_gem_vram_offset(struct drm_gem_vram_object *gbo)
> {
> - if (WARN_ON_ONCE(!gbo->pin_count))
> + if (WARN_ON_ONCE(!gbo->bo.pin_count))
> return (s64)-ENODEV;
> return drm_gem_vram_pg_offset(gbo) << PAGE_SHIFT;
> }
> @@ -310,24 +310,21 @@ EXPORT_SYMBOL(drm_gem_vram_offset);
> static int drm_gem_vram_pin_locked(struct drm_gem_vram_object *gbo,
> unsigned long pl_flag)
> {
> - int i, ret;
> struct ttm_operation_ctx ctx = { false, false };
> + int ret;
>
> - if (gbo->pin_count)
> + if (gbo->bo.pin_count)
> goto out;
>
> if (pl_flag)
> drm_gem_vram_placement(gbo, pl_flag);
>
> - for (i = 0; i < gbo->placement.num_placement; ++i)
> - gbo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT;
> -
> ret = ttm_bo_validate(&gbo->bo, &gbo->placement, &ctx);
> if (ret < 0)
> return ret;
>
> out:
> - ++gbo->pin_count;
> + ttm_bo_pin(&gbo->bo);
>
> return 0;
> }
> @@ -369,26 +366,9 @@ int drm_gem_vram_pin(struct drm_gem_vram_object *gbo, unsigned long pl_flag)
> }
> EXPORT_SYMBOL(drm_gem_vram_pin);
>
> -static int drm_gem_vram_unpin_locked(struct drm_gem_vram_object *gbo)
> +static void drm_gem_vram_unpin_locked(struct drm_gem_vram_object *gbo)
> {
> - int i, ret;
> - struct ttm_operation_ctx ctx = { false, false };
> -
> - if (WARN_ON_ONCE(!gbo->pin_count))
> - return 0;
> -
> - --gbo->pin_count;
> - if (gbo->pin_count)
> - return 0;
> -
> - for (i = 0; i < gbo->placement.num_placement ; ++i)
> - gbo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT;
> -
> - ret = ttm_bo_validate(&gbo->bo, &gbo->placement, &ctx);
> - if (ret < 0)
> - return ret;
> -
> - return 0;
> + ttm_bo_unpin(&gbo->bo);
> }
>
> /**
> @@ -406,10 +386,11 @@ int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo)
> ret = ttm_bo_reserve(&gbo->bo, true, false, NULL);
> if (ret)
> return ret;
> - ret = drm_gem_vram_unpin_locked(gbo);
> +
> + drm_gem_vram_unpin_locked(gbo);
> ttm_bo_unreserve(&gbo->bo);
>
> - return ret;
> + return 0;
> }
> EXPORT_SYMBOL(drm_gem_vram_unpin);
>
> diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
> index 62cc6e6c3a4f..128f88174d32 100644
> --- a/include/drm/drm_gem_vram_helper.h
> +++ b/include/drm/drm_gem_vram_helper.h
> @@ -35,7 +35,6 @@ struct vm_area_struct;
> * @placement: TTM placement information. Supported placements are \
> %TTM_PL_VRAM and %TTM_PL_SYSTEM
> * @placements: TTM placement information.
> - * @pin_count: Pin counter
> *
> * The type struct drm_gem_vram_object represents a GEM object that is
> * backed by VRAM. It can be used for simple framebuffer devices with
> @@ -64,8 +63,6 @@ struct drm_gem_vram_object {
> /* Supported placements are %TTM_PL_VRAM and %TTM_PL_SYSTEM */
> struct ttm_placement placement;
> struct ttm_place placements[2];
> -
> - int pin_count;
> };
>
> /**
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
[-- Attachment #1.2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 516 bytes --]
[-- Attachment #2: Type: text/plain, Size: 160 bytes --]
_______________________________________________
dri-devel mailing list
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https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 18+ messages in thread
* [PATCH 07/11] drm/qxl: switch over to the new pin interface
2020-09-21 14:48 Nuke TTM_PL_FLAG_NO_EVICT Christian König
` (5 preceding siblings ...)
2020-09-21 14:48 ` [PATCH 06/11] drm/vram-helper: " Christian König
@ 2020-09-21 14:48 ` Christian König
2020-09-22 6:20 ` Gerd Hoffmann
2020-09-21 14:48 ` [PATCH 08/11] drm/nouveau: " Christian König
` (3 subsequent siblings)
10 siblings, 1 reply; 18+ messages in thread
From: Christian König @ 2020-09-21 14:48 UTC (permalink / raw)
To: dri-devel, airlied, tzimmermann, bskeggs, kraxel, airlied, sroland
Stop using TTM_PL_FLAG_NO_EVICT.
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/qxl/qxl_debugfs.c | 2 +-
drivers/gpu/drm/qxl/qxl_drv.h | 1 -
drivers/gpu/drm/qxl/qxl_ioctl.c | 4 +--
drivers/gpu/drm/qxl/qxl_object.c | 44 +++++++++----------------------
drivers/gpu/drm/qxl/qxl_object.h | 2 +-
drivers/gpu/drm/qxl/qxl_release.c | 4 +--
drivers/gpu/drm/qxl/qxl_ttm.c | 2 +-
7 files changed, 20 insertions(+), 39 deletions(-)
diff --git a/drivers/gpu/drm/qxl/qxl_debugfs.c b/drivers/gpu/drm/qxl/qxl_debugfs.c
index 524d35b648d8..183d15e2cf58 100644
--- a/drivers/gpu/drm/qxl/qxl_debugfs.c
+++ b/drivers/gpu/drm/qxl/qxl_debugfs.c
@@ -67,7 +67,7 @@ qxl_debugfs_buffers_info(struct seq_file *m, void *data)
seq_printf(m, "size %ld, pc %d, num releases %d\n",
(unsigned long)bo->tbo.base.size,
- bo->pin_count, rel);
+ bo->tbo.pin_count, rel);
}
return 0;
}
diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h
index aae90a9ee1db..3602e8b34189 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.h
+++ b/drivers/gpu/drm/qxl/qxl_drv.h
@@ -80,7 +80,6 @@ struct qxl_bo {
struct ttm_place placements[3];
struct ttm_placement placement;
struct ttm_bo_kmap_obj kmap;
- unsigned int pin_count;
void *kptr;
unsigned int map_count;
int type;
diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c
index 5cea6eea72ab..0bab9ec6adc1 100644
--- a/drivers/gpu/drm/qxl/qxl_ioctl.c
+++ b/drivers/gpu/drm/qxl/qxl_ioctl.c
@@ -326,8 +326,8 @@ static int qxl_update_area_ioctl(struct drm_device *dev, void *data,
if (ret)
goto out;
- if (!qobj->pin_count) {
- qxl_ttm_placement_from_domain(qobj, qobj->type, false);
+ if (!qobj->tbo.pin_count) {
+ qxl_ttm_placement_from_domain(qobj, qobj->type);
ret = ttm_bo_validate(&qobj->tbo, &qobj->placement, &ctx);
if (unlikely(ret))
goto out;
diff --git a/drivers/gpu/drm/qxl/qxl_object.c b/drivers/gpu/drm/qxl/qxl_object.c
index 2bc364412e8b..d3635e3e3267 100644
--- a/drivers/gpu/drm/qxl/qxl_object.c
+++ b/drivers/gpu/drm/qxl/qxl_object.c
@@ -51,14 +51,12 @@ bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo)
return false;
}
-void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain, bool pinned)
+void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain)
{
u32 c = 0;
u32 pflag = 0;
unsigned int i;
- if (pinned)
- pflag |= TTM_PL_FLAG_NO_EVICT;
if (qbo->tbo.base.size <= PAGE_SIZE)
pflag |= TTM_PL_FLAG_TOPDOWN;
@@ -128,14 +126,13 @@ int qxl_bo_create(struct qxl_device *qdev,
}
bo->tbo.base.funcs = &qxl_object_funcs;
bo->type = domain;
- bo->pin_count = pinned ? 1 : 0;
bo->surface_id = 0;
INIT_LIST_HEAD(&bo->list);
if (surf)
bo->surf = *surf;
- qxl_ttm_placement_from_domain(bo, domain, pinned);
+ qxl_ttm_placement_from_domain(bo, domain);
r = ttm_bo_init(&qdev->mman.bdev, &bo->tbo, size, type,
&bo->placement, 0, !kernel, size,
@@ -147,6 +144,8 @@ int qxl_bo_create(struct qxl_device *qdev,
size, domain);
return r;
}
+ if (pinned)
+ ttm_bo_pin(&bo->tbo);
*bo_ptr = bo;
return 0;
}
@@ -248,39 +247,22 @@ static int __qxl_bo_pin(struct qxl_bo *bo)
struct drm_device *ddev = bo->tbo.base.dev;
int r;
- if (bo->pin_count) {
- bo->pin_count++;
+ if (bo->tbo.pin_count) {
+ ttm_bo_pin(&bo->tbo);
return 0;
}
- qxl_ttm_placement_from_domain(bo, bo->type, true);
+ qxl_ttm_placement_from_domain(bo, bo->type);
r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
- if (likely(r == 0)) {
- bo->pin_count = 1;
- }
+ if (likely(r == 0))
+ ttm_bo_pin(&bo->tbo);
if (unlikely(r != 0))
dev_err(ddev->dev, "%p pin failed\n", bo);
return r;
}
-static int __qxl_bo_unpin(struct qxl_bo *bo)
+static void __qxl_bo_unpin(struct qxl_bo *bo)
{
- struct ttm_operation_ctx ctx = { false, false };
- struct drm_device *ddev = bo->tbo.base.dev;
- int r, i;
-
- if (!bo->pin_count) {
- dev_warn(ddev->dev, "%p unpin not necessary\n", bo);
- return 0;
- }
- bo->pin_count--;
- if (bo->pin_count)
- return 0;
- for (i = 0; i < bo->placement.num_placement; i++)
- bo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT;
- r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
- if (unlikely(r != 0))
- dev_err(ddev->dev, "%p validate failed for unpin\n", bo);
- return r;
+ ttm_bo_unpin(&bo->tbo);
}
/*
@@ -314,9 +296,9 @@ int qxl_bo_unpin(struct qxl_bo *bo)
if (r)
return r;
- r = __qxl_bo_unpin(bo);
+ __qxl_bo_unpin(bo);
qxl_bo_unreserve(bo);
- return r;
+ return 0;
}
void qxl_bo_force_delete(struct qxl_device *qdev)
diff --git a/drivers/gpu/drm/qxl/qxl_object.h b/drivers/gpu/drm/qxl/qxl_object.h
index 6b434e5ef795..c7d79b20622e 100644
--- a/drivers/gpu/drm/qxl/qxl_object.h
+++ b/drivers/gpu/drm/qxl/qxl_object.h
@@ -94,7 +94,7 @@ extern struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo);
extern void qxl_bo_unref(struct qxl_bo **bo);
extern int qxl_bo_pin(struct qxl_bo *bo);
extern int qxl_bo_unpin(struct qxl_bo *bo);
-extern void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain, bool pinned);
+extern void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain);
extern bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo);
#endif
diff --git a/drivers/gpu/drm/qxl/qxl_release.c b/drivers/gpu/drm/qxl/qxl_release.c
index 4fae3e393da1..e75e364655b8 100644
--- a/drivers/gpu/drm/qxl/qxl_release.c
+++ b/drivers/gpu/drm/qxl/qxl_release.c
@@ -231,8 +231,8 @@ static int qxl_release_validate_bo(struct qxl_bo *bo)
struct ttm_operation_ctx ctx = { true, false };
int ret;
- if (!bo->pin_count) {
- qxl_ttm_placement_from_domain(bo, bo->type, false);
+ if (!bo->tbo.pin_count) {
+ qxl_ttm_placement_from_domain(bo, bo->type);
ret = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c
index fd691fff8394..01fe0c3a3d9a 100644
--- a/drivers/gpu/drm/qxl/qxl_ttm.c
+++ b/drivers/gpu/drm/qxl/qxl_ttm.c
@@ -67,7 +67,7 @@ static void qxl_evict_flags(struct ttm_buffer_object *bo,
return;
}
qbo = to_qxl_bo(bo);
- qxl_ttm_placement_from_domain(qbo, QXL_GEM_DOMAIN_CPU, false);
+ qxl_ttm_placement_from_domain(qbo, QXL_GEM_DOMAIN_CPU);
*placement = qbo->placement;
}
--
2.17.1
_______________________________________________
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https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply related [flat|nested] 18+ messages in thread* Re: [PATCH 07/11] drm/qxl: switch over to the new pin interface
2020-09-21 14:48 ` [PATCH 07/11] drm/qxl: " Christian König
@ 2020-09-22 6:20 ` Gerd Hoffmann
0 siblings, 0 replies; 18+ messages in thread
From: Gerd Hoffmann @ 2020-09-22 6:20 UTC (permalink / raw)
To: Christian König; +Cc: sroland, dri-devel, bskeggs, tzimmermann, airlied
On Mon, Sep 21, 2020 at 04:48:52PM +0200, Christian König wrote:
> Stop using TTM_PL_FLAG_NO_EVICT.
>
> Signed-off-by: Christian König <christian.koenig@amd.com>
> ---
> drivers/gpu/drm/qxl/qxl_debugfs.c | 2 +-
> drivers/gpu/drm/qxl/qxl_drv.h | 1 -
> drivers/gpu/drm/qxl/qxl_ioctl.c | 4 +--
> drivers/gpu/drm/qxl/qxl_object.c | 44 +++++++++----------------------
> drivers/gpu/drm/qxl/qxl_object.h | 2 +-
> drivers/gpu/drm/qxl/qxl_release.c | 4 +--
> drivers/gpu/drm/qxl/qxl_ttm.c | 2 +-
> 7 files changed, 20 insertions(+), 39 deletions(-)
Looks sane, survived smoke test.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
take care,
Gerd
_______________________________________________
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dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 18+ messages in thread
* [PATCH 08/11] drm/nouveau: switch over to the new pin interface
2020-09-21 14:48 Nuke TTM_PL_FLAG_NO_EVICT Christian König
` (6 preceding siblings ...)
2020-09-21 14:48 ` [PATCH 07/11] drm/qxl: " Christian König
@ 2020-09-21 14:48 ` Christian König
2020-09-21 14:48 ` [PATCH 09/11] drm/amdgpu: " Christian König
` (2 subsequent siblings)
10 siblings, 0 replies; 18+ messages in thread
From: Christian König @ 2020-09-21 14:48 UTC (permalink / raw)
To: dri-devel, airlied, tzimmermann, bskeggs, kraxel, airlied, sroland
Stop using TTM_PL_FLAG_NO_EVICT.
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/nouveau/nouveau_bo.c | 48 +++++++-------------------
drivers/gpu/drm/nouveau/nouveau_bo.h | 3 --
drivers/gpu/drm/nouveau/nouveau_chan.c | 2 +-
3 files changed, 13 insertions(+), 40 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 2ee75646ad6f..bcae4514952f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -139,7 +139,7 @@ nouveau_bo_del_ttm(struct ttm_buffer_object *bo)
struct drm_device *dev = drm->dev;
struct nouveau_bo *nvbo = nouveau_bo(bo);
- WARN_ON(nvbo->pin_refcnt > 0);
+ WARN_ON(nvbo->bo.pin_count > 0);
nouveau_bo_del_io_reserve_lru(bo);
nv10_bo_put_tile_region(dev, nvbo->tile, NULL);
@@ -417,9 +417,8 @@ nouveau_bo_placement_set(struct nouveau_bo *nvbo, uint32_t domain,
{
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct ttm_placement *pl = &nvbo->placement;
- uint32_t flags = (nvbo->force_coherent ? TTM_PL_FLAG_UNCACHED :
- TTM_PL_MASK_CACHING) |
- (nvbo->pin_refcnt ? TTM_PL_FLAG_NO_EVICT : 0);
+ uint32_t flags = nvbo->force_coherent ? TTM_PL_FLAG_UNCACHED :
+ TTM_PL_MASK_CACHING;
pl->placement = nvbo->placements;
set_placement_list(drm, nvbo->placements, &pl->num_placement,
@@ -453,7 +452,7 @@ nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t domain, bool contig)
}
}
- if (nvbo->pin_refcnt) {
+ if (nvbo->bo.pin_count) {
bool error = evict;
switch (bo->mem.mem_type) {
@@ -472,7 +471,7 @@ nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t domain, bool contig)
bo->mem.mem_type, domain);
ret = -EBUSY;
}
- nvbo->pin_refcnt++;
+ ttm_bo_pin(&nvbo->bo);
goto out;
}
@@ -483,18 +482,12 @@ nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t domain, bool contig)
goto out;
}
- nvbo->pin_refcnt++;
nouveau_bo_placement_set(nvbo, domain, 0);
-
- /* drop pin_refcnt temporarily, so we don't trip the assertion
- * in nouveau_bo_move() that makes sure we're not trying to
- * move a pinned buffer
- */
- nvbo->pin_refcnt--;
ret = nouveau_bo_validate(nvbo, false, false);
if (ret)
goto out;
- nvbo->pin_refcnt++;
+
+ ttm_bo_pin(&nvbo->bo);
switch (bo->mem.mem_type) {
case TTM_PL_VRAM:
@@ -519,30 +512,14 @@ nouveau_bo_unpin(struct nouveau_bo *nvbo)
{
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct ttm_buffer_object *bo = &nvbo->bo;
- int ret, ref;
+ int ret;
ret = ttm_bo_reserve(bo, false, false, NULL);
if (ret)
return ret;
- ref = --nvbo->pin_refcnt;
- WARN_ON_ONCE(ref < 0);
- if (ref)
- goto out;
-
- switch (bo->mem.mem_type) {
- case TTM_PL_VRAM:
- nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, 0);
- break;
- case TTM_PL_TT:
- nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_GART, 0);
- break;
- default:
- break;
- }
-
- ret = nouveau_bo_validate(nvbo, false, false);
- if (ret == 0) {
+ ttm_bo_unpin(&nvbo->bo);
+ if (!nvbo->bo.pin_count) {
switch (bo->mem.mem_type) {
case TTM_PL_VRAM:
drm->gem.vram_available += bo->mem.size;
@@ -555,9 +532,8 @@ nouveau_bo_unpin(struct nouveau_bo *nvbo)
}
}
-out:
ttm_bo_unreserve(bo);
- return ret;
+ return 0;
}
int
@@ -1065,7 +1041,7 @@ nouveau_bo_move(struct ttm_buffer_object *bo, bool evict,
if (ret)
return ret;
- if (nvbo->pin_refcnt)
+ if (nvbo->bo.pin_count)
NV_WARN(drm, "Moving pinned object %p!\n", nvbo);
if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.h b/drivers/gpu/drm/nouveau/nouveau_bo.h
index 2a23c8207436..ff68ded8d590 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.h
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.h
@@ -40,9 +40,6 @@ struct nouveau_bo {
struct nouveau_drm_tile *tile;
- /* protect by the ttm reservation lock */
- int pin_refcnt;
-
struct ttm_bo_kmap_obj dma_buf_vmap;
};
diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c
index 8f099601d2f2..5d191e58edf1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_chan.c
+++ b/drivers/gpu/drm/nouveau/nouveau_chan.c
@@ -107,7 +107,7 @@ nouveau_channel_del(struct nouveau_channel **pchan)
nvif_object_dtor(&chan->push.ctxdma);
nouveau_vma_del(&chan->push.vma);
nouveau_bo_unmap(chan->push.buffer);
- if (chan->push.buffer && chan->push.buffer->pin_refcnt)
+ if (chan->push.buffer && chan->push.buffer->bo.pin_count)
nouveau_bo_unpin(chan->push.buffer);
nouveau_bo_ref(NULL, &chan->push.buffer);
kfree(chan);
--
2.17.1
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https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply related [flat|nested] 18+ messages in thread* [PATCH 09/11] drm/amdgpu: switch over to the new pin interface
2020-09-21 14:48 Nuke TTM_PL_FLAG_NO_EVICT Christian König
` (7 preceding siblings ...)
2020-09-21 14:48 ` [PATCH 08/11] drm/nouveau: " Christian König
@ 2020-09-21 14:48 ` Christian König
2020-09-21 14:48 ` [PATCH 10/11] drm/ttm: remove ttm_bo_create Christian König
2020-09-21 14:48 ` [PATCH 11/11] drm/ttm: remove TTM_PL_FLAG_NO_EVICT Christian König
10 siblings, 0 replies; 18+ messages in thread
From: Christian König @ 2020-09-21 14:48 UTC (permalink / raw)
To: dri-devel, airlied, tzimmermann, bskeggs, kraxel, airlied, sroland
Stop using TTM_PL_FLAG_NO_EVICT.
Signed-off-by: Christian König <christian.koenig@amd.com>
---
.../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 5 ++-
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 8 +---
drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 5 ++-
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 41 +++++--------------
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 3 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 +-
9 files changed, 24 insertions(+), 46 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index b6b821500d30..64d4b5ff95d6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -1479,7 +1479,7 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu(
}
}
- if (!amdgpu_ttm_tt_get_usermm(bo->tbo.ttm) && !bo->pin_count)
+ if (!amdgpu_ttm_tt_get_usermm(bo->tbo.ttm) && !bo->tbo.pin_count)
amdgpu_bo_fence(bo,
&avm->process_info->eviction_fence->base,
true);
@@ -1558,7 +1558,8 @@ int amdgpu_amdkfd_gpuvm_unmap_memory_from_gpu(
* required.
*/
if (mem->mapped_to_gpu_memory == 0 &&
- !amdgpu_ttm_tt_get_usermm(mem->bo->tbo.ttm) && !mem->bo->pin_count)
+ !amdgpu_ttm_tt_get_usermm(mem->bo->tbo.ttm) &&
+ !mem->bo->tbo.pin_count)
amdgpu_amdkfd_remove_eviction_fence(mem->bo,
process_info->eviction_fence);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 12598a4b5c78..d50b63a93d37 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -410,7 +410,7 @@ static int amdgpu_cs_bo_validate(struct amdgpu_cs_parser *p,
uint32_t domain;
int r;
- if (bo->pin_count)
+ if (bo->tbo.pin_count)
return 0;
/* Don't move this buffer if we have depleted our allowance
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index c81206e6096f..4cba095b6c44 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -132,10 +132,7 @@ static void amdgpu_display_unpin_work_func(struct work_struct *__work)
/* unpin of the old buffer */
r = amdgpu_bo_reserve(work->old_abo, true);
if (likely(r == 0)) {
- r = amdgpu_bo_unpin(work->old_abo);
- if (unlikely(r != 0)) {
- DRM_ERROR("failed to unpin buffer after flip\n");
- }
+ amdgpu_bo_unpin(work->old_abo);
amdgpu_bo_unreserve(work->old_abo);
} else
DRM_ERROR("failed to reserve buffer after flip\n");
@@ -249,8 +246,7 @@ int amdgpu_display_crtc_page_flip_target(struct drm_crtc *crtc,
}
unpin:
if (!adev->enable_virtual_display)
- if (unlikely(amdgpu_bo_unpin(new_abo) != 0))
- DRM_ERROR("failed to unpin new abo in error path\n");
+ amdgpu_bo_unpin(new_abo);
unreserve:
amdgpu_bo_unreserve(new_abo);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
index 957934926b24..5b465ab774d1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
@@ -281,7 +281,7 @@ static struct sg_table *amdgpu_dma_buf_map(struct dma_buf_attachment *attach,
struct sg_table *sgt;
long r;
- if (!bo->pin_count) {
+ if (!bo->tbo.pin_count) {
/* move buffer into GTT or VRAM */
struct ttm_operation_ctx ctx = { false, false };
unsigned domains = AMDGPU_GEM_DOMAIN_GTT;
@@ -390,7 +390,8 @@ static int amdgpu_dma_buf_begin_cpu_access(struct dma_buf *dma_buf,
if (unlikely(ret != 0))
return ret;
- if (!bo->pin_count && (bo->allowed_domains & AMDGPU_GEM_DOMAIN_GTT)) {
+ if (!bo->tbo.pin_count &&
+ (bo->allowed_domains & AMDGPU_GEM_DOMAIN_GTT)) {
amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_GTT);
ret = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index aa7f230c71bf..59b52804622d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -860,7 +860,7 @@ static int amdgpu_debugfs_gem_bo_info(int id, void *ptr, void *data)
seq_printf(m, "\t0x%08x: %12ld byte %s",
id, amdgpu_bo_size(bo), placement);
- pin_count = READ_ONCE(bo->pin_count);
+ pin_count = READ_ONCE(bo->tbo.pin_count);
if (pin_count)
seq_printf(m, " pin count %d", pin_count);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index ac043baac05d..63e9c5793c30 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -78,7 +78,7 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo)
struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev);
struct amdgpu_bo *bo = ttm_to_amdgpu_bo(tbo);
- if (bo->pin_count > 0)
+ if (bo->tbo.pin_count > 0)
amdgpu_bo_subtract_pin_size(bo);
amdgpu_bo_kunmap(bo);
@@ -721,7 +721,7 @@ int amdgpu_bo_validate(struct amdgpu_bo *bo)
uint32_t domain;
int r;
- if (bo->pin_count)
+ if (bo->tbo.pin_count)
return 0;
domain = bo->preferred_domains;
@@ -918,13 +918,13 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
*/
domain = amdgpu_bo_get_preferred_pin_domain(adev, domain);
- if (bo->pin_count) {
+ if (bo->tbo.pin_count) {
uint32_t mem_type = bo->tbo.mem.mem_type;
if (!(domain & amdgpu_mem_type_to_domain(mem_type)))
return -EINVAL;
- bo->pin_count++;
+ ttm_bo_pin(&bo->tbo);
if (max_offset != 0) {
u64 domain_start = amdgpu_ttm_domain_start(adev,
@@ -955,7 +955,6 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
if (!bo->placements[i].lpfn ||
(lpfn && lpfn < bo->placements[i].lpfn))
bo->placements[i].lpfn = lpfn;
- bo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT;
}
r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
@@ -964,7 +963,7 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
goto error;
}
- bo->pin_count = 1;
+ ttm_bo_pin(&bo->tbo);
domain = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type);
if (domain == AMDGPU_GEM_DOMAIN_VRAM) {
@@ -1006,34 +1005,16 @@ int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain)
* Returns:
* 0 for success or a negative error code on failure.
*/
-int amdgpu_bo_unpin(struct amdgpu_bo *bo)
+void amdgpu_bo_unpin(struct amdgpu_bo *bo)
{
- struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
- struct ttm_operation_ctx ctx = { false, false };
- int r, i;
-
- if (WARN_ON_ONCE(!bo->pin_count)) {
- dev_warn(adev->dev, "%p unpin not necessary\n", bo);
- return 0;
- }
- bo->pin_count--;
- if (bo->pin_count)
- return 0;
+ ttm_bo_unpin(&bo->tbo);
+ if (bo->tbo.pin_count)
+ return;
amdgpu_bo_subtract_pin_size(bo);
if (bo->tbo.base.import_attach)
dma_buf_unpin(bo->tbo.base.import_attach);
-
- for (i = 0; i < bo->placement.num_placement; i++) {
- bo->placements[i].lpfn = 0;
- bo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT;
- }
- r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
- if (unlikely(r))
- dev_err(adev->dev, "%p validate failed for unpin\n", bo);
-
- return r;
}
/**
@@ -1385,7 +1366,7 @@ int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
return 0;
/* Can't move a pinned BO to visible VRAM */
- if (abo->pin_count > 0)
+ if (abo->tbo.pin_count > 0)
return -EINVAL;
/* hurrah the memory is not visible ! */
@@ -1489,7 +1470,7 @@ u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo)
{
WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_SYSTEM);
WARN_ON_ONCE(!dma_resv_is_locked(bo->tbo.base.resv) &&
- !bo->pin_count && bo->tbo.type != ttm_bo_type_kernel);
+ !bo->tbo.pin_count && bo->tbo.type != ttm_bo_type_kernel);
WARN_ON_ONCE(bo->tbo.mem.start == AMDGPU_BO_INVALID_OFFSET);
WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_VRAM &&
!(bo->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS));
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index 5ddb6cf96030..e91750e43448 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -89,7 +89,6 @@ struct amdgpu_bo {
struct ttm_buffer_object tbo;
struct ttm_bo_kmap_obj kmap;
u64 flags;
- unsigned pin_count;
u64 tiling_flags;
u64 metadata_flags;
void *metadata;
@@ -267,7 +266,7 @@ void amdgpu_bo_unref(struct amdgpu_bo **bo);
int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain);
int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
u64 min_offset, u64 max_offset);
-int amdgpu_bo_unpin(struct amdgpu_bo *bo);
+void amdgpu_bo_unpin(struct amdgpu_bo *bo);
int amdgpu_bo_evict_vram(struct amdgpu_device *adev);
int amdgpu_bo_init(struct amdgpu_device *adev);
int amdgpu_bo_late_init(struct amdgpu_device *adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index e7b67dc330a4..db5f761f37ec 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -662,7 +662,7 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict,
/* Can't move a pinned BO */
abo = ttm_to_amdgpu_bo(bo);
- if (WARN_ON_ONCE(abo->pin_count > 0))
+ if (WARN_ON_ONCE(abo->tbo.pin_count > 0))
return -EINVAL;
adev = amdgpu_ttm_adev(bo->bdev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 420931d36732..3e6243623082 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -609,7 +609,7 @@ void amdgpu_vm_del_from_lru_notify(struct ttm_buffer_object *bo)
if (!amdgpu_bo_is_amdgpu_bo(bo))
return;
- if (bo->mem.placement & TTM_PL_FLAG_NO_EVICT)
+ if (bo->pin_count)
return;
abo = ttm_to_amdgpu_bo(bo);
--
2.17.1
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https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply related [flat|nested] 18+ messages in thread* [PATCH 10/11] drm/ttm: remove ttm_bo_create
2020-09-21 14:48 Nuke TTM_PL_FLAG_NO_EVICT Christian König
` (8 preceding siblings ...)
2020-09-21 14:48 ` [PATCH 09/11] drm/amdgpu: " Christian König
@ 2020-09-21 14:48 ` Christian König
2020-09-21 14:48 ` [PATCH 11/11] drm/ttm: remove TTM_PL_FLAG_NO_EVICT Christian König
10 siblings, 0 replies; 18+ messages in thread
From: Christian König @ 2020-09-21 14:48 UTC (permalink / raw)
To: dri-devel, airlied, tzimmermann, bskeggs, kraxel, airlied, sroland
Not used any more.
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/ttm/ttm_bo.c | 40 ------------------------------------
include/drm/ttm/ttm_bo_api.h | 24 ----------------------
2 files changed, 64 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index b82b49d43942..1a4b25083326 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1254,19 +1254,6 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
}
EXPORT_SYMBOL(ttm_bo_init);
-static size_t ttm_bo_acc_size(struct ttm_bo_device *bdev,
- unsigned long bo_size,
- unsigned struct_size)
-{
- unsigned npages = (PAGE_ALIGN(bo_size)) >> PAGE_SHIFT;
- size_t size = 0;
-
- size += ttm_round_pot(struct_size);
- size += ttm_round_pot(npages * sizeof(void *));
- size += ttm_round_pot(sizeof(struct ttm_tt));
- return size;
-}
-
size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev,
unsigned long bo_size,
unsigned struct_size)
@@ -1281,33 +1268,6 @@ size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev,
}
EXPORT_SYMBOL(ttm_bo_dma_acc_size);
-int ttm_bo_create(struct ttm_bo_device *bdev,
- unsigned long size,
- enum ttm_bo_type type,
- struct ttm_placement *placement,
- uint32_t page_alignment,
- bool interruptible,
- struct ttm_buffer_object **p_bo)
-{
- struct ttm_buffer_object *bo;
- size_t acc_size;
- int ret;
-
- bo = kzalloc(sizeof(*bo), GFP_KERNEL);
- if (unlikely(bo == NULL))
- return -ENOMEM;
-
- acc_size = ttm_bo_acc_size(bdev, size, sizeof(struct ttm_buffer_object));
- ret = ttm_bo_init(bdev, bo, size, type, placement, page_alignment,
- interruptible, acc_size,
- NULL, NULL, NULL);
- if (likely(ret == 0))
- *p_bo = bo;
-
- return ret;
-}
-EXPORT_SYMBOL(ttm_bo_create);
-
int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type)
{
struct ttm_resource_manager *man = ttm_manager_type(bdev, mem_type);
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 83979500df1c..ce592c9061e8 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -447,30 +447,6 @@ int ttm_bo_init(struct ttm_bo_device *bdev, struct ttm_buffer_object *bo,
struct sg_table *sg, struct dma_resv *resv,
void (*destroy) (struct ttm_buffer_object *));
-/**
- * ttm_bo_create
- *
- * @bdev: Pointer to a ttm_bo_device struct.
- * @size: Requested size of buffer object.
- * @type: Requested type of buffer object.
- * @placement: Initial placement.
- * @page_alignment: Data alignment in pages.
- * @interruptible: If needing to sleep while waiting for GPU resources,
- * sleep interruptible.
- * @p_bo: On successful completion *p_bo points to the created object.
- *
- * This function allocates a ttm_buffer_object, and then calls ttm_bo_init
- * on that object. The destroy function is set to kfree().
- * Returns
- * -ENOMEM: Out of memory.
- * -EINVAL: Invalid placement flags.
- * -ERESTARTSYS: Interrupted by signal while waiting for resources.
- */
-int ttm_bo_create(struct ttm_bo_device *bdev, unsigned long size,
- enum ttm_bo_type type, struct ttm_placement *placement,
- uint32_t page_alignment, bool interruptible,
- struct ttm_buffer_object **p_bo);
-
/**
* ttm_bo_evict_mm
*
--
2.17.1
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https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply related [flat|nested] 18+ messages in thread* [PATCH 11/11] drm/ttm: remove TTM_PL_FLAG_NO_EVICT
2020-09-21 14:48 Nuke TTM_PL_FLAG_NO_EVICT Christian König
` (9 preceding siblings ...)
2020-09-21 14:48 ` [PATCH 10/11] drm/ttm: remove ttm_bo_create Christian König
@ 2020-09-21 14:48 ` Christian König
10 siblings, 0 replies; 18+ messages in thread
From: Christian König @ 2020-09-21 14:48 UTC (permalink / raw)
To: dri-devel, airlied, tzimmermann, bskeggs, kraxel, airlied, sroland
Not used any more.
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/ttm/ttm_bo.c | 11 +++--------
include/drm/ttm/ttm_placement.h | 1 -
2 files changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 1a4b25083326..5737b3fae1b3 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -118,9 +118,6 @@ static void ttm_bo_add_mem_to_lru(struct ttm_buffer_object *bo,
if (!list_empty(&bo->lru) || bo->pin_count)
return;
- if (mem->placement & TTM_PL_FLAG_NO_EVICT)
- return;
-
man = ttm_manager_type(bdev, mem->mem_type);
list_add_tail(&bo->lru, &man->lru[bo->priority]);
@@ -165,8 +162,7 @@ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo,
ttm_bo_del_from_lru(bo);
ttm_bo_add_mem_to_lru(bo, &bo->mem);
- if (bulk && !(bo->mem.placement & TTM_PL_FLAG_NO_EVICT) &&
- !bo->pin_count) {
+ if (bulk && !bo->pin_count) {
switch (bo->mem.mem_type) {
case TTM_PL_TT:
ttm_bo_bulk_move_set_pos(&bulk->tt[bo->priority], bo);
@@ -541,12 +537,11 @@ static void ttm_bo_release(struct kref *kref)
spin_lock(&ttm_bo_glob.lru_lock);
/*
- * Make NO_EVICT bos immediately available to
+ * Make pinned bos immediately available to
* shrinkers, now that they are queued for
* destruction.
*/
- if (bo->mem.placement & TTM_PL_FLAG_NO_EVICT || bo->pin_count) {
- bo->mem.placement &= ~TTM_PL_FLAG_NO_EVICT;
+ if (bo->pin_count) {
bo->pin_count = 0;
ttm_bo_del_from_lru(bo);
ttm_bo_add_mem_to_lru(bo, &bo->mem);
diff --git a/include/drm/ttm/ttm_placement.h b/include/drm/ttm/ttm_placement.h
index d4022655eae4..50e72df48b8d 100644
--- a/include/drm/ttm/ttm_placement.h
+++ b/include/drm/ttm/ttm_placement.h
@@ -58,7 +58,6 @@
#define TTM_PL_FLAG_UNCACHED (1 << 17)
#define TTM_PL_FLAG_WC (1 << 18)
#define TTM_PL_FLAG_CONTIGUOUS (1 << 19)
-#define TTM_PL_FLAG_NO_EVICT (1 << 21)
#define TTM_PL_FLAG_TOPDOWN (1 << 22)
#define TTM_PL_MASK_CACHING (TTM_PL_FLAG_CACHED | \
--
2.17.1
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https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply related [flat|nested] 18+ messages in thread