v2: Fix dma buffer validation on resource pinning.
Signed-off-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
Reviewed-by: Sinclair Yeh <syeh@xxxxxxxxxx>
---
drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c | 182 ++++++++++++++-----------------
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 31 +++---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 33 +++---
drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c | 81 +++++++-------
drivers/gpu/drm/vmwgfx/vmwgfx_fb.c | 2 +-
drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c | 4 +-
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 2 +-
drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c | 4 +-
drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 36 +++---
9 files changed, 179 insertions(+), 196 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c
index 914b375..4b9344d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c
@@ -32,25 +32,20 @@
/**
- * vmw_dmabuf_to_placement - Validate a buffer to placement.
+ * vmw_dmabuf_pin_in_placement - Validate a buffer to placement.
*
* @dev_priv: Driver private.
* @buf: DMA buffer to move.
- * @pin: Pin buffer if true.
+ * @placement: The placement to pin it.
* @interruptible: Use interruptible wait.
*
- * May only be called by the current master since it assumes that the
- * master lock is the current master's lock.
- * This function takes the master's lock in write mode.
- * Flushes and unpins the query bo to avoid failures.
- *
* Returns
* -ERESTARTSYS if interrupted by a signal.
*/
-int vmw_dmabuf_to_placement(struct vmw_private *dev_priv,
- struct vmw_dma_buffer *buf,
- struct ttm_placement *placement,
- bool interruptible)
+int vmw_dmabuf_pin_in_placement(struct vmw_private *dev_priv,
+ struct vmw_dma_buffer *buf,
+ struct ttm_placement *placement,
+ bool interruptible)
{
struct ttm_buffer_object *bo = &buf->base;
int ret;
@@ -66,6 +61,8 @@ int vmw_dmabuf_to_placement(struct vmw_private *dev_priv,
goto err;
ret = ttm_bo_validate(bo, placement, interruptible, false);
+ if (!ret)
+ vmw_bo_pin_reserved(buf, true);
ttm_bo_unreserve(bo);
@@ -75,12 +72,10 @@ err:
}
/**
- * vmw_dmabuf_to_vram_or_gmr - Move a buffer to vram or gmr.
+ * vmw_dmabuf_pin_in_vram_or_gmr - Move a buffer to vram or gmr.
*
- * May only be called by the current master since it assumes that the
- * master lock is the current master's lock.
- * This function takes the master's lock in write mode.
- * Flushes and unpins the query bo if @pin == true to avoid failures.
+ * This function takes the reservation_sem in write mode.
+ * Flushes and unpins the query bo to avoid failures.
*
* @dev_priv: Driver private.
* @buf: DMA buffer to move.
@@ -90,55 +85,34 @@ err:
* Returns
* -ERESTARTSYS if interrupted by a signal.
*/
-int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
- struct vmw_dma_buffer *buf,
- bool pin, bool interruptible)
+int vmw_dmabuf_pin_in_vram_or_gmr(struct vmw_private *dev_priv,
+ struct vmw_dma_buffer *buf,
+ bool interruptible)
{
struct ttm_buffer_object *bo = &buf->base;
- struct ttm_placement *placement;
int ret;
ret = ttm_write_lock(&dev_priv->reservation_sem, interruptible);
if (unlikely(ret != 0))
return ret;
- if (pin)
- vmw_execbuf_release_pinned_bo(dev_priv);
+ vmw_execbuf_release_pinned_bo(dev_priv);
ret = ttm_bo_reserve(bo, interruptible, false, false, NULL);
if (unlikely(ret != 0))
goto err;
- /**
- * Put BO in VRAM if there is space, otherwise as a GMR.
- * If there is no space in VRAM and GMR ids are all used up,
- * start evicting GMRs to make room. If the DMA buffer can't be
- * used as a GMR, this will return -ENOMEM.
- */
-
- if (pin)
- placement = &vmw_vram_gmr_ne_placement;
- else
- placement = &vmw_vram_gmr_placement;
-
- ret = ttm_bo_validate(bo, placement, interruptible, false);
+ ret = ttm_bo_validate(bo, &vmw_vram_gmr_placement, interruptible,
+ false);
if (likely(ret == 0) || ret == -ERESTARTSYS)
- goto err_unreserve;
-
+ goto out_unreserve;
- /**
- * If that failed, try VRAM again, this time evicting
- * previous contents.
- */
-
- if (pin)
- placement = &vmw_vram_ne_placement;
- else
- placement = &vmw_vram_placement;
+ ret = ttm_bo_validate(bo, &vmw_vram_placement, interruptible, false);
- ret = ttm_bo_validate(bo, placement, interruptible, false);
+out_unreserve:
+ if (!ret)
+ vmw_bo_pin_reserved(buf, true);
-err_unreserve:
ttm_bo_unreserve(bo);
err:
ttm_write_unlock(&dev_priv->reservation_sem);
@@ -146,67 +120,50 @@ err:
}
/**
- * vmw_dmabuf_to_vram - Move a buffer to vram.
+ * vmw_dmabuf_pin_in_vram - Move a buffer to vram.
*
- * May only be called by the current master since it assumes that the
- * master lock is the current master's lock.
- * This function takes the master's lock in write mode.
+ * This function takes the reservation_sem in write mode.
+ * Flushes and unpins the query bo to avoid failures.
*
* @dev_priv: Driver private.
* @buf: DMA buffer to move.
- * @pin: Pin buffer in vram if true.
* @interruptible: Use interruptible wait.
*
* Returns
* -ERESTARTSYS if interrupted by a signal.
*/
-int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
- struct vmw_dma_buffer *buf,
- bool pin, bool interruptible)
+int vmw_dmabuf_pin_in_vram(struct vmw_private *dev_priv,
+ struct vmw_dma_buffer *buf,
+ bool interruptible)
{
- struct ttm_placement *placement;
-
- if (pin)
- placement = &vmw_vram_ne_placement;
- else
- placement = &vmw_vram_placement;
-
- return vmw_dmabuf_to_placement(dev_priv, buf,
- placement,
- interruptible);
+ return vmw_dmabuf_pin_in_placement(dev_priv, buf, &vmw_vram_placement,
+ interruptible);
}
/**
- * vmw_dmabuf_to_start_of_vram - Move a buffer to start of vram.
+ * vmw_dmabuf_pin_in_start_of_vram - Move a buffer to start of vram.
*
- * May only be called by the current master since it assumes that the
- * master lock is the current master's lock.
- * This function takes the master's lock in write mode.
- * Flushes and unpins the query bo if @pin == true to avoid failures.
+ * This function takes the reservation_sem in write mode.
+ * Flushes and unpins the query bo to avoid failures.
*
* @dev_priv: Driver private.
- * @buf: DMA buffer to move.
- * @pin: Pin buffer in vram if true.
+ * @buf: DMA buffer to pin.
* @interruptible: Use interruptible wait.
*
* Returns
* -ERESTARTSYS if interrupted by a signal.
*/
-int vmw_dmabuf_to_start_of_vram(struct vmw_private *dev_priv,
- struct vmw_dma_buffer *buf,
- bool pin, bool interruptible)
+int vmw_dmabuf_pin_in_start_of_vram(struct vmw_private *dev_priv,
+ struct vmw_dma_buffer *buf,
+ bool interruptible)
{
struct ttm_buffer_object *bo = &buf->base;
struct ttm_placement placement;
struct ttm_place place;
int ret = 0;
- if (pin)
- place = vmw_vram_ne_placement.placement[0];
- else
- place = vmw_vram_placement.placement[0];
+ place = vmw_vram_placement.placement[0];
place.lpfn = bo->num_pages;
-
placement.num_placement = 1;
placement.placement = &place;
placement.num_busy_placement = 1;
@@ -216,13 +173,16 @@ int vmw_dmabuf_to_start_of_vram(struct vmw_private *dev_priv,
if (unlikely(ret != 0))
return ret;
- if (pin)
- vmw_execbuf_release_pinned_bo(dev_priv);
+ vmw_execbuf_release_pinned_bo(dev_priv);
ret = ttm_bo_reserve(bo, interruptible, false, false, NULL);
if (unlikely(ret != 0))
goto err_unlock;
- /* Is this buffer already in vram but not at the start of it? */
+ /*
+ * Is this buffer already in vram but not at the start of it?
+ * In that case, evict it first because TTM isn't good at handling
+ * that situation.
+ */
if (bo->mem.mem_type == TTM_PL_VRAM &&
bo->mem.start < bo->num_pages &&
bo->mem.start > 0)
@@ -230,8 +190,10 @@ int vmw_dmabuf_to_start_of_vram(struct vmw_private *dev_priv,
ret = ttm_bo_validate(bo, &placement, interruptible, false);
- /* For some reason we didn't up at the start of vram */
+ /* For some reason we didn't end up at the start of vram */
WARN_ON(ret == 0 && bo->offset != 0);
+ if (!ret)
+ vmw_bo_pin_reserved(buf, true);
ttm_bo_unreserve(bo);
err_unlock:
@@ -240,13 +202,10 @@ err_unlock:
return ret;
}
-
/**
- * vmw_dmabuf_upin - Unpin the buffer given buffer, does not move the buffer.
+ * vmw_dmabuf_unpin - Unpin the buffer given buffer, does not move the buffer.
*
- * May only be called by the current master since it assumes that the
- * master lock is the current master's lock.
- * This function takes the master's lock in write mode.
+ * This function takes the reservation_sem in write mode.
*
* @dev_priv: Driver private.
* @buf: DMA buffer to unpin.
@@ -259,16 +218,25 @@ int vmw_dmabuf_unpin(struct vmw_private *dev_priv,
struct vmw_dma_buffer *buf,
bool interruptible)
{
- /*
- * We could in theory early out if the buffer is
- * unpinned but we need to lock and reserve the buffer
- * anyways so we don't gain much by that.
- */
- return vmw_dmabuf_to_placement(dev_priv, buf,
- &vmw_evictable_placement,
- interruptible);
-}
+ struct ttm_buffer_object *bo = &buf->base;
+ int ret;
+ ret = ttm_read_lock(&dev_priv->reservation_sem, interruptible);
+ if (unlikely(ret != 0))
+ return ret;
+
+ ret = ttm_bo_reserve(bo, interruptible, false, false, 0);
+ if (unlikely(ret != 0))
+ goto err;
+
+ vmw_bo_pin_reserved(buf, false);
+
+ ttm_bo_unreserve(bo);
+
+err:
+ ttm_read_unlock(&dev_priv->reservation_sem);
+ return ret;
+}
/**
* vmw_bo_get_guest_ptr - Get the guest ptr representing the current placement
@@ -291,21 +259,31 @@ void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *bo,
/**
- * vmw_bo_pin - Pin or unpin a buffer object without moving it.
+ * vmw_bo_pin_reserved - Pin or unpin a buffer object without moving it.
*
- * @bo: The buffer object. Must be reserved.
+ * @vbo: The buffer object. Must be reserved.
* @pin: Whether to pin or unpin.
*
*/
-void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin)
+void vmw_bo_pin_reserved(struct vmw_dma_buffer *vbo, bool pin)
{
struct ttm_place pl;
struct ttm_placement placement;
+ struct ttm_buffer_object *bo = &vbo->base;
uint32_t old_mem_type = bo->mem.mem_type;
int ret;
lockdep_assert_held(&bo->resv->lock.base);
+ if (pin) {
+ if (vbo->pin_count++ > 0)
+ return;
+ } else {
+ WARN_ON(vbo->pin_count <= 0);
+ if (--vbo->pin_count > 0)
+ return;
+ }
+
pl.fpfn = 0;
pl.lpfn = 0;
pl.flags = TTM_PL_FLAG_VRAM | VMW_PL_FLAG_GMR | VMW_PL_FLAG_MOB
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index ab1b70c..e55db3f 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -298,30 +298,31 @@ static void vmw_print_capabilities(uint32_t capabilities)
static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv)
{
int ret;
- struct ttm_buffer_object *bo;
+ struct vmw_dma_buffer *vbo;
struct ttm_bo_kmap_obj map;
volatile SVGA3dQueryResult *result;
bool dummy;
/*
- * Create the bo as pinned, so that a tryreserve will
+ * Create the vbo as pinned, so that a tryreserve will
* immediately succeed. This is because we're the only
* user of the bo currently.
*/
- ret = ttm_bo_create(&dev_priv->bdev,
- PAGE_SIZE,
- ttm_bo_type_device,
- &vmw_sys_ne_placement,
- 0, false, NULL,
- &bo);
+ vbo = kzalloc(sizeof(*vbo), GFP_KERNEL);
+ if (!vbo)
+ return -ENOMEM;
+ ret = vmw_dmabuf_init(dev_priv, vbo, PAGE_SIZE,
+ &vmw_sys_ne_placement, false,
+ &vmw_dmabuf_bo_free);
if (unlikely(ret != 0))
return ret;
- ret = ttm_bo_reserve(bo, false, true, false, NULL);
+ ret = ttm_bo_reserve(&vbo->base, false, true, false, NULL);
BUG_ON(ret != 0);
+ vmw_bo_pin_reserved(vbo, true);
- ret = ttm_bo_kmap(bo, 0, 1, &map);
+ ret = ttm_bo_kmap(&vbo->base, 0, 1, &map);
if (likely(ret == 0)) {
result = ttm_kmap_obj_virtual(&map, &dummy);
result->totalSize = sizeof(*result);
@@ -329,14 +330,14 @@ static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv)
result->result32 = 0xff;
ttm_bo_kunmap(&map);
}
- vmw_bo_pin(bo, false);
- ttm_bo_unreserve(bo);
+ vmw_bo_pin_reserved(vbo, false);
+ ttm_bo_unreserve(&vbo->base);
if (unlikely(ret != 0)) {
DRM_ERROR("Dummy query buffer map failed.\n");
- ttm_bo_unref(&bo);
+ vmw_dmabuf_unreference(&vbo);
} else
- dev_priv->dummy_query_bo = bo;
+ dev_priv->dummy_query_bo = vbo;
return ret;
}
@@ -434,7 +435,7 @@ static void vmw_release_device_early(struct vmw_private *dev_priv)
BUG_ON(dev_priv->pinned_bo != NULL);
- ttm_bo_unref(&dev_priv->dummy_query_bo);
+ vmw_dmabuf_unreference(&dev_priv->dummy_query_bo);
if (dev_priv->cman)
vmw_cmdbuf_remove_pool(dev_priv->cman);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 5d04859..12eaa6c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -85,6 +85,7 @@ struct vmw_fpriv {
struct vmw_dma_buffer {
struct ttm_buffer_object base;
struct list_head res_list;
+ s32 pin_count;
};
/**
@@ -358,7 +359,7 @@ struct vmw_sw_context{
uint32_t *cmd_bounce;
uint32_t cmd_bounce_size;
struct list_head resource_list;
- struct ttm_buffer_object *cur_query_bo;
+ struct vmw_dma_buffer *cur_query_bo;
struct list_head res_relocations;
uint32_t *buf_start;
struct vmw_res_cache_entry res_cache[vmw_res_max];
@@ -533,8 +534,8 @@ struct vmw_private {
* are protected by the cmdbuf mutex.
*/
- struct ttm_buffer_object *dummy_query_bo;
- struct ttm_buffer_object *pinned_bo;
+ struct vmw_dma_buffer *dummy_query_bo;
+ struct vmw_dma_buffer *pinned_bo;
uint32_t query_cid;
uint32_t query_cid_valid;
bool dummy_query_bo_pinned;
@@ -700,25 +701,25 @@ extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
/**
* DMA buffer helper routines - vmwgfx_dmabuf.c
*/
-extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,
- struct vmw_dma_buffer *bo,
- struct ttm_placement *placement,
- bool interruptible);
-extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
- struct vmw_dma_buffer *buf,
- bool pin, bool interruptible);
-extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
- struct vmw_dma_buffer *buf,
- bool pin, bool interruptible);
-extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
+extern int vmw_dmabuf_pin_in_placement(struct vmw_private *vmw_priv,
struct vmw_dma_buffer *bo,
- bool pin, bool interruptible);
+ struct ttm_placement *placement,
+ bool interruptible);
+extern int vmw_dmabuf_pin_in_vram(struct vmw_private *dev_priv,
+ struct vmw_dma_buffer *buf,
+ bool interruptible);
+extern int vmw_dmabuf_pin_in_vram_or_gmr(struct vmw_private *dev_priv,
+ struct vmw_dma_buffer *buf,
+ bool interruptible);
+extern int vmw_dmabuf_pin_in_start_of_vram(struct vmw_private *vmw_priv,
+ struct vmw_dma_buffer *bo,
+ bool interruptible);
extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
struct vmw_dma_buffer *bo,
bool interruptible);
extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
SVGAGuestPtr *ptr);
-extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);
+extern void vmw_bo_pin_reserved(struct vmw_dma_buffer *bo, bool pin);
/**
* Misc Ioctl functionality - vmwgfx_ioctl.c
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 0ec5fd6..92e8998 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -308,7 +308,7 @@ static int vmw_cmd_ok(struct vmw_private *dev_priv,
* submission is reached.
*/
static int vmw_bo_to_validate_list(struct vmw_sw_context *sw_context,
- struct ttm_buffer_object *bo,
+ struct vmw_dma_buffer *vbo,
bool validate_as_mob,
uint32_t *p_val_node)
{
@@ -318,7 +318,7 @@ static int vmw_bo_to_validate_list(struct vmw_sw_context *sw_context,
struct drm_hash_item *hash;
int ret;
- if (likely(drm_ht_find_item(&sw_context->res_ht, (unsigned long) bo,
+ if (likely(drm_ht_find_item(&sw_context->res_ht, (unsigned long) vbo,
&hash) == 0)) {
vval_buf = container_of(hash, struct vmw_validate_buffer,
hash);
@@ -336,7 +336,7 @@ static int vmw_bo_to_validate_list(struct vmw_sw_context *sw_context,
return -EINVAL;
}
vval_buf = &sw_context->val_bufs[val_node];
- vval_buf->hash.key = (unsigned long) bo;
+ vval_buf->hash.key = (unsigned long) vbo;
ret = drm_ht_insert_item(&sw_context->res_ht, &vval_buf->hash);
if (unlikely(ret != 0)) {
DRM_ERROR("Failed to initialize a buffer validation "
@@ -345,7 +345,7 @@ static int vmw_bo_to_validate_list(struct vmw_sw_context *sw_context,
}
++sw_context->cur_val_buf;
val_buf = &vval_buf->base;
- val_buf->bo = ttm_bo_reference(bo);
+ val_buf->bo = ttm_bo_reference(&vbo->base);
val_buf->shared = false;
list_add_tail(&val_buf->head, &sw_context->validate_nodes);
vval_buf->validate_as_mob = validate_as_mob;
@@ -380,10 +380,10 @@ static int vmw_resources_reserve(struct vmw_sw_context *sw_context)
return ret;
if (res->backup) {
- struct ttm_buffer_object *bo = &res->backup->base;
+ struct vmw_dma_buffer *vbo = res->backup;
ret = vmw_bo_to_validate_list
- (sw_context, bo,
+ (sw_context, vbo,
vmw_resource_needs_backup(res), NULL);
if (unlikely(ret != 0))
@@ -759,7 +759,7 @@ static int vmw_cmd_present_check(struct vmw_private *dev_priv,
* command batch.
*/
static int vmw_query_bo_switch_prepare(struct vmw_private *dev_priv,
- struct ttm_buffer_object *new_query_bo,
+ struct vmw_dma_buffer *new_query_bo,
struct vmw_sw_context *sw_context)
{
struct vmw_res_cache_entry *ctx_entry =
@@ -771,7 +771,7 @@ static int vmw_query_bo_switch_prepare(struct vmw_private *dev_priv,
if (unlikely(new_query_bo != sw_context->cur_query_bo)) {
- if (unlikely(new_query_bo->num_pages > 4)) {
+ if (unlikely(new_query_bo->base.num_pages > 4)) {
DRM_ERROR("Query buffer too large.\n");
return -EINVAL;
}
@@ -840,12 +840,12 @@ static void vmw_query_bo_switch_commit(struct vmw_private *dev_priv,
if (dev_priv->pinned_bo != sw_context->cur_query_bo) {
if (dev_priv->pinned_bo) {
- vmw_bo_pin(dev_priv->pinned_bo, false);
- ttm_bo_unref(&dev_priv->pinned_bo);
+ vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
+ vmw_dmabuf_unreference(&dev_priv->pinned_bo);
}
if (!sw_context->needs_post_query_barrier) {
- vmw_bo_pin(sw_context->cur_query_bo, true);
+ vmw_bo_pin_reserved(sw_context->cur_query_bo, true);
/*
* We pin also the dummy_query_bo buffer so that we
@@ -853,14 +853,17 @@ static void vmw_query_bo_switch_commit(struct vmw_private *dev_priv,
* dummy queries in context destroy paths.
*/
- vmw_bo_pin(dev_priv->dummy_query_bo, true);
- dev_priv->dummy_query_bo_pinned = true;
+ if (!dev_priv->dummy_query_bo_pinned) {
+ vmw_bo_pin_reserved(dev_priv->dummy_query_bo,
+ true);
+ dev_priv->dummy_query_bo_pinned = true;
+ }
BUG_ON(sw_context->last_query_ctx == NULL);
dev_priv->query_cid = sw_context->last_query_ctx->id;
dev_priv->query_cid_valid = true;
dev_priv->pinned_bo =
- ttm_bo_reference(sw_context->cur_query_bo);
+ vmw_dmabuf_reference(sw_context->cur_query_bo);
}
}
}
@@ -889,7 +892,6 @@ static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
struct vmw_dma_buffer **vmw_bo_p)
{
struct vmw_dma_buffer *vmw_bo = NULL;
- struct ttm_buffer_object *bo;
uint32_t handle = *id;
struct vmw_relocation *reloc;
int ret;
@@ -900,7 +902,6 @@ static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
ret = -EINVAL;
goto out_no_reloc;
}
- bo = &vmw_bo->base;
if (unlikely(sw_context->cur_reloc >= VMWGFX_MAX_RELOCATIONS)) {
DRM_ERROR("Max number relocations per submission"
@@ -913,7 +914,7 @@ static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
reloc->mob_loc = id;
reloc->location = NULL;
- ret = vmw_bo_to_validate_list(sw_context, bo, true, &reloc->index);
+ ret = vmw_bo_to_validate_list(sw_context, vmw_bo, true, &reloc->index);
if (unlikely(ret != 0))
goto out_no_reloc;
@@ -951,7 +952,6 @@ static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,
struct vmw_dma_buffer **vmw_bo_p)
{
struct vmw_dma_buffer *vmw_bo = NULL;
- struct ttm_buffer_object *bo;
uint32_t handle = ptr->gmrId;
struct vmw_relocation *reloc;
int ret;
@@ -962,7 +962,6 @@ static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,
ret = -EINVAL;
goto out_no_reloc;
}
- bo = &vmw_bo->base;
if (unlikely(sw_context->cur_reloc >= VMWGFX_MAX_RELOCATIONS)) {
DRM_ERROR("Max number relocations per submission"
@@ -974,7 +973,7 @@ static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,
reloc = &sw_context->relocs[sw_context->cur_reloc++];
reloc->location = ptr;
- ret = vmw_bo_to_validate_list(sw_context, bo, false, &reloc->index);
+ ret = vmw_bo_to_validate_list(sw_context, vmw_bo, false, &reloc->index);
if (unlikely(ret != 0))
goto out_no_reloc;
@@ -1081,7 +1080,7 @@ static int vmw_cmd_end_gb_query(struct vmw_private *dev_priv,
if (unlikely(ret != 0))
return ret;
- ret = vmw_query_bo_switch_prepare(dev_priv, &vmw_bo->base, sw_context);
+ ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
vmw_dmabuf_unreference(&vmw_bo);
return ret;
@@ -1135,7 +1134,7 @@ static int vmw_cmd_end_query(struct vmw_private *dev_priv,
if (unlikely(ret != 0))
return ret;
- ret = vmw_query_bo_switch_prepare(dev_priv, &vmw_bo->base, sw_context);
+ ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
vmw_dmabuf_unreference(&vmw_bo);
return ret;
@@ -2239,16 +2238,11 @@ static int vmw_validate_single_buffer(struct vmw_private *dev_priv,
struct ttm_buffer_object *bo,
bool validate_as_mob)
{
+ struct vmw_dma_buffer *vbo = container_of(bo, struct vmw_dma_buffer,
+ base);
int ret;
-
- /*
- * Don't validate pinned buffers.
- */
-
- if (bo == dev_priv->pinned_bo ||
- (bo == dev_priv->dummy_query_bo &&
- dev_priv->dummy_query_bo_pinned))
+ if (vbo->pin_count > 0)
return 0;
if (validate_as_mob)
@@ -2767,9 +2761,11 @@ static void vmw_execbuf_unpin_panic(struct vmw_private *dev_priv)
DRM_ERROR("Can't unpin query buffer. Trying to recover.\n");
(void) vmw_fallback_wait(dev_priv, false, true, 0, false, 10*HZ);
- vmw_bo_pin(dev_priv->pinned_bo, false);
- vmw_bo_pin(dev_priv->dummy_query_bo, false);
- dev_priv->dummy_query_bo_pinned = false;
+ vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
+ if (dev_priv->dummy_query_bo_pinned) {
+ vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);
+ dev_priv->dummy_query_bo_pinned = false;
+ }
}
@@ -2811,11 +2807,11 @@ void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
INIT_LIST_HEAD(&validate_list);
- pinned_val.bo = ttm_bo_reference(dev_priv->pinned_bo);
+ pinned_val.bo = ttm_bo_reference(&dev_priv->pinned_bo->base);
pinned_val.shared = false;
list_add_tail(&pinned_val.head, &validate_list);
- query_val.bo = ttm_bo_reference(dev_priv->dummy_query_bo);
+ query_val.bo = ttm_bo_reference(&dev_priv->dummy_query_bo->base);
query_val.shared = false;
list_add_tail(&query_val.head, &validate_list);
@@ -2836,10 +2832,11 @@ void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
dev_priv->query_cid_valid = false;
}
- vmw_bo_pin(dev_priv->pinned_bo, false);
- vmw_bo_pin(dev_priv->dummy_query_bo, false);
- dev_priv->dummy_query_bo_pinned = false;
-
+ vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
+ if (dev_priv->dummy_query_bo_pinned) {
+ vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);
+ dev_priv->dummy_query_bo_pinned = false;
+ }
if (fence == NULL) {
(void) vmw_execbuf_fence_commands(NULL, dev_priv, &lfence,
NULL);
@@ -2851,7 +2848,9 @@ void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
ttm_bo_unref(&query_val.bo);
ttm_bo_unref(&pinned_val.bo);
- ttm_bo_unref(&dev_priv->pinned_bo);
+ vmw_dmabuf_unreference(&dev_priv->pinned_bo);
+ DRM_INFO("Dummy query bo pin count: %d\n",
+ dev_priv->dummy_query_bo->pin_count);
out_unlock:
return;
@@ -2861,7 +2860,7 @@ out_no_emit:
out_no_reserve:
ttm_bo_unref(&query_val.bo);
ttm_bo_unref(&pinned_val.bo);
- ttm_bo_unref(&dev_priv->pinned_bo);
+ vmw_dmabuf_unreference(&dev_priv->pinned_bo);
}
/**
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index d0a3bcf..b54d99bc 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -636,7 +636,7 @@ int vmw_fb_on(struct vmw_private *vmw_priv)
/* Make sure that all overlays are stoped when we take over */
vmw_overlay_stop_all(vmw_priv);
- ret = vmw_dmabuf_to_start_of_vram(vmw_priv, par->vmw_bo, true, false);
+ ret = vmw_dmabuf_pin_in_start_of_vram(vmw_priv, par->vmw_bo, false);
if (unlikely(ret != 0)) {
DRM_ERROR("could not move buffer to start of VRAM\n");
goto err_no_buffer;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
index 239815c..9b8b09f 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
@@ -604,7 +604,7 @@ static int vmw_fifo_emit_dummy_legacy_query(struct vmw_private *dev_priv,
* without writing to the query result structure.
*/
- struct ttm_buffer_object *bo = dev_priv->dummy_query_bo;
+ struct ttm_buffer_object *bo = &dev_priv->dummy_query_bo->base;
struct {
SVGA3dCmdHeader header;
SVGA3dCmdWaitForQuery body;
@@ -653,7 +653,7 @@ static int vmw_fifo_emit_dummy_gb_query(struct vmw_private *dev_priv,
* without writing to the query result structure.
*/
- struct ttm_buffer_object *bo = dev_priv->dummy_query_bo;
+ struct ttm_buffer_object *bo = &dev_priv->dummy_query_bo->base;
struct {
SVGA3dCmdHeader header;
SVGA3dCmdWaitForGBQuery body;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 615ff6cfc..99e2f5b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -678,7 +678,7 @@ static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb)
vmw_overlay_pause_all(dev_priv);
- ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer, true, false);
+ ret = vmw_dmabuf_pin_in_start_of_vram(dev_priv, vfbd->buffer, false);
vmw_overlay_resume_all(dev_priv);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
index 7f4b2f0..d839051 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
@@ -232,9 +232,9 @@ static int vmw_overlay_move_buffer(struct vmw_private *dev_priv,
return vmw_dmabuf_unpin(dev_priv, buf, inter);
if (dev_priv->active_display_unit == vmw_du_legacy)
- return vmw_dmabuf_to_vram(dev_priv, buf, true, inter);
+ return vmw_dmabuf_pin_in_vram(dev_priv, buf, inter);
- return vmw_dmabuf_to_vram_or_gmr(dev_priv, buf, true, inter);
+ return vmw_dmabuf_pin_in_vram_or_gmr(dev_priv, buf, inter);
}
/**
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 9dcbe8b..271bc90 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -1596,25 +1596,29 @@ int vmw_resource_pin(struct vmw_resource *res)
goto out_no_reserve;
if (res->pin_count == 0) {
- struct ttm_buffer_object *bo = NULL;
+ struct vmw_dma_buffer *vbo = NULL;
if (res->backup) {
- bo = &res->backup->base;
-
- ttm_bo_reserve(bo, false, false, false, NULL);
- ret = ttm_bo_validate(bo, res->func->backup_placement,
- false, false);
- if (ret) {
- ttm_bo_unreserve(bo);
- goto out_no_validate;
+ vbo = res->backup;
+
+ ttm_bo_reserve(&vbo->base, false, false, false, NULL);
+ if (!vbo->pin_count) {
+ ret = ttm_bo_validate
+ (&vbo->base,
+ res->func->backup_placement,
+ false, false);
+ if (ret) {
+ ttm_bo_unreserve(&vbo->base);
+ goto out_no_validate;
+ }
}
/* Do we really need to pin the MOB as well? */
- vmw_bo_pin(bo, true);
+ vmw_bo_pin_reserved(vbo, true);
}
ret = vmw_resource_validate(res);
- if (bo)
- ttm_bo_unreserve(bo);
+ if (vbo)
+ ttm_bo_unreserve(&vbo->base);
if (ret)
goto out_no_validate;
}
@@ -1650,11 +1654,11 @@ void vmw_resource_unpin(struct vmw_resource *res)
WARN_ON(res->pin_count == 0);
if (--res->pin_count == 0 && res->backup) {
- struct ttm_buffer_object *bo = &res->backup->base;
+ struct vmw_dma_buffer *vbo = res->backup;
- ttm_bo_reserve(bo, false, false, false, NULL);
- vmw_bo_pin(bo, false);
- ttm_bo_unreserve(bo);
+ ttm_bo_reserve(&vbo->base, false, false, false, NULL);
+ vmw_bo_pin_reserved(vbo, false);
+ ttm_bo_unreserve(&vbo->base);
}
vmw_resource_unreserve(res, NULL, 0UL);
--
2.1.0
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