@@ -344,22 +344,22 @@ static void guc_ctx_desc_fini(struct intel_guc *guc,
int i915_guc_wq_reserve(struct drm_i915_gem_request *request)
{
const size_t wqi_size = sizeof(struct guc_wq_item);
- struct i915_guc_client *gc = request->i915->guc.execbuf_client;
- struct guc_process_desc *desc = gc->vaddr + gc->proc_desc_offset;
+ struct i915_guc_client *client = request->i915->guc.execbuf_client;
+ struct guc_process_desc *desc = client->vaddr + client->proc_desc_offset;
u32 freespace;
int ret;
- spin_lock(&gc->wq_lock);
- freespace = CIRC_SPACE(gc->wq_tail, desc->head, gc->wq_size);
- freespace -= gc->wq_rsvd;
+ spin_lock(&client->wq_lock);
+ freespace = CIRC_SPACE(client->wq_tail, desc->head, client->wq_size);
+ freespace -= client->wq_rsvd;
if (likely(freespace >= wqi_size)) {
- gc->wq_rsvd += wqi_size;
+ client->wq_rsvd += wqi_size;
ret = 0;
} else {
- gc->no_wq_space++;
+ client->no_wq_space++;
ret = -EAGAIN;
}
- spin_unlock(&gc->wq_lock);
+ spin_unlock(&client->wq_lock);
return ret;
}
@@ -367,17 +367,17 @@ int i915_guc_wq_reserve(struct drm_i915_gem_request *request)
void i915_guc_wq_unreserve(struct drm_i915_gem_request *request)
{
const size_t wqi_size = sizeof(struct guc_wq_item);
- struct i915_guc_client *gc = request->i915->guc.execbuf_client;
+ struct i915_guc_client *client = request->i915->guc.execbuf_client;
- GEM_BUG_ON(READ_ONCE(gc->wq_rsvd) < wqi_size);
+ GEM_BUG_ON(READ_ONCE(client->wq_rsvd) < wqi_size);
- spin_lock(&gc->wq_lock);
- gc->wq_rsvd -= wqi_size;
- spin_unlock(&gc->wq_lock);
+ spin_lock(&client->wq_lock);
+ client->wq_rsvd -= wqi_size;
+ spin_unlock(&client->wq_lock);
}
/* Construct a Work Item and append it to the GuC's Work Queue */
-static void guc_wq_item_append(struct i915_guc_client *gc,
+static void guc_wq_item_append(struct i915_guc_client *client,
struct drm_i915_gem_request *rq)
{
/* wqi_len is in DWords, and does not include the one-word header */
@@ -388,10 +388,10 @@ static void guc_wq_item_append(struct i915_guc_client *gc,
struct guc_wq_item *wqi;
u32 freespace, tail, wq_off;
- desc = gc->vaddr + gc->proc_desc_offset;
+ desc = client->vaddr + client->proc_desc_offset;
/* Free space is guaranteed, see i915_guc_wq_reserve() above */
- freespace = CIRC_SPACE(gc->wq_tail, desc->head, gc->wq_size);
+ freespace = CIRC_SPACE(client->wq_tail, desc->head, client->wq_size);
GEM_BUG_ON(freespace < wqi_size);
/* The GuC firmware wants the tail index in QWords, not bytes */
@@ -408,17 +408,17 @@ static void guc_wq_item_append(struct i915_guc_client *gc,
* workqueue buffer dw by dw.
*/
BUILD_BUG_ON(wqi_size != 16);
- GEM_BUG_ON(gc->wq_rsvd < wqi_size);
+ GEM_BUG_ON(client->wq_rsvd < wqi_size);
/* postincrement WQ tail for next time */
- wq_off = gc->wq_tail;
+ wq_off = client->wq_tail;
GEM_BUG_ON(wq_off & (wqi_size - 1));
- gc->wq_tail += wqi_size;
- gc->wq_tail &= gc->wq_size - 1;
- gc->wq_rsvd -= wqi_size;
+ client->wq_tail += wqi_size;
+ client->wq_tail &= client->wq_size - 1;
+ client->wq_rsvd -= wqi_size;
/* WQ starts from the page after doorbell / process_desc */
- wqi = gc->vaddr + wq_off + GUC_DB_SIZE;
+ wqi = client->vaddr + wq_off + GUC_DB_SIZE;
/* Now fill in the 4-word work queue item */
wqi->header = WQ_TYPE_INORDER |
@@ -433,30 +433,30 @@ static void guc_wq_item_append(struct i915_guc_client *gc,
wqi->fence_id = rq->global_seqno;
}
-static int guc_ring_doorbell(struct i915_guc_client *gc)
+static int guc_ring_doorbell(struct i915_guc_client *client)
{
struct guc_process_desc *desc;
union guc_doorbell_qw db_cmp, db_exc, db_ret;
union guc_doorbell_qw *db;
int attempt = 2, ret = -EAGAIN;
- desc = gc->vaddr + gc->proc_desc_offset;
+ desc = client->vaddr + client->proc_desc_offset;
/* Update the tail so it is visible to GuC */
- desc->tail = gc->wq_tail;
+ desc->tail = client->wq_tail;
/* current cookie */
db_cmp.db_status = GUC_DOORBELL_ENABLED;
- db_cmp.cookie = gc->doorbell_cookie;
+ db_cmp.cookie = client->doorbell_cookie;
/* cookie to be updated */
db_exc.db_status = GUC_DOORBELL_ENABLED;
- db_exc.cookie = gc->doorbell_cookie + 1;
+ db_exc.cookie = client->doorbell_cookie + 1;
if (db_exc.cookie == 0)
db_exc.cookie = 1;
/* pointer of current doorbell cacheline */
- db = gc->vaddr + gc->doorbell_offset;
+ db = client->vaddr + client->doorbell_offset;
while (attempt--) {
/* lets ring the doorbell */
@@ -466,7 +466,7 @@ static int guc_ring_doorbell(struct i915_guc_client *gc)
/* if the exchange was successfully executed */
if (db_ret.value_qw == db_cmp.value_qw) {
/* db was successfully rung */
- gc->doorbell_cookie = db_exc.cookie;
+ client->doorbell_cookie = db_exc.cookie;
ret = 0;
break;
}
@@ -1411,14 +1411,14 @@ int i915_guc_submission_init(struct drm_i915_private *dev_priv)
return -ENOMEM;
}
-static void guc_reset_wq(struct i915_guc_client *gc)
+static void guc_reset_wq(struct i915_guc_client *client)
{
- struct guc_process_desc *desc = gc->vaddr + gc->proc_desc_offset;
+ struct guc_process_desc *desc = client->vaddr + client->proc_desc_offset;
desc->head = 0;
desc->tail = 0;
- gc->wq_tail = 0;
+ client->wq_tail = 0;
}
int i915_guc_submission_enable(struct drm_i915_private *dev_priv)
We usually use 'client' as identifier for the i915_guc_client. For unknown reason, few functions were using 'gc' name. Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> --- drivers/gpu/drm/i915/i915_guc_submission.c | 64 +++++++++++++++--------------- 1 file changed, 32 insertions(+), 32 deletions(-)