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path: root/drivers/gpu/drm/vc4/vc4_gem.c
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Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_gem.c')
-rw-r--r--drivers/gpu/drm/vc4/vc4_gem.c123
1 files changed, 89 insertions, 34 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c
index 202aa15..8d4384f 100644
--- a/drivers/gpu/drm/vc4/vc4_gem.c
+++ b/drivers/gpu/drm/vc4/vc4_gem.c
@@ -141,10 +141,10 @@ vc4_save_hang_state(struct drm_device *dev)
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct drm_vc4_get_hang_state *state;
struct vc4_hang_state *kernel_state;
- struct vc4_exec_info *exec;
+ struct vc4_exec_info *exec[2];
struct vc4_bo *bo;
unsigned long irqflags;
- unsigned int i, unref_list_count;
+ unsigned int i, j, unref_list_count, prev_idx;
kernel_state = kcalloc(1, sizeof(*kernel_state), GFP_KERNEL);
if (!kernel_state)
@@ -153,37 +153,55 @@ vc4_save_hang_state(struct drm_device *dev)
state = &kernel_state->user_state;
spin_lock_irqsave(&vc4->job_lock, irqflags);
- exec = vc4_first_job(vc4);
- if (!exec) {
+ exec[0] = vc4_first_bin_job(vc4);
+ exec[1] = vc4_first_render_job(vc4);
+ if (!exec[0] && !exec[1]) {
spin_unlock_irqrestore(&vc4->job_lock, irqflags);
return;
}
- unref_list_count = 0;
- list_for_each_entry(bo, &exec->unref_list, unref_head)
- unref_list_count++;
+ /* Get the bos from both binner and renderer into hang state. */
+ state->bo_count = 0;
+ for (i = 0; i < 2; i++) {
+ if (!exec[i])
+ continue;
+
+ unref_list_count = 0;
+ list_for_each_entry(bo, &exec[i]->unref_list, unref_head)
+ unref_list_count++;
+ state->bo_count += exec[i]->bo_count + unref_list_count;
+ }
+
+ kernel_state->bo = kcalloc(state->bo_count,
+ sizeof(*kernel_state->bo), GFP_ATOMIC);
- state->bo_count = exec->bo_count + unref_list_count;
- kernel_state->bo = kcalloc(state->bo_count, sizeof(*kernel_state->bo),
- GFP_ATOMIC);
if (!kernel_state->bo) {
spin_unlock_irqrestore(&vc4->job_lock, irqflags);
return;
}
- for (i = 0; i < exec->bo_count; i++) {
- drm_gem_object_reference(&exec->bo[i]->base);
- kernel_state->bo[i] = &exec->bo[i]->base;
- }
+ prev_idx = 0;
+ for (i = 0; i < 2; i++) {
+ if (!exec[i])
+ continue;
- list_for_each_entry(bo, &exec->unref_list, unref_head) {
- drm_gem_object_reference(&bo->base.base);
- kernel_state->bo[i] = &bo->base.base;
- i++;
+ for (j = 0; j < exec[i]->bo_count; j++) {
+ drm_gem_object_reference(&exec[i]->bo[j]->base);
+ kernel_state->bo[j + prev_idx] = &exec[i]->bo[j]->base;
+ }
+
+ list_for_each_entry(bo, &exec[i]->unref_list, unref_head) {
+ drm_gem_object_reference(&bo->base.base);
+ kernel_state->bo[j + prev_idx] = &bo->base.base;
+ j++;
+ }
+ prev_idx = j + 1;
}
- state->start_bin = exec->ct0ca;
- state->start_render = exec->ct1ca;
+ if (exec[0])
+ state->start_bin = exec[0]->ct0ca;
+ if (exec[1])
+ state->start_render = exec[1]->ct1ca;
spin_unlock_irqrestore(&vc4->job_lock, irqflags);
@@ -267,13 +285,15 @@ vc4_hangcheck_elapsed(unsigned long data)
struct vc4_dev *vc4 = to_vc4_dev(dev);
uint32_t ct0ca, ct1ca;
unsigned long irqflags;
- struct vc4_exec_info *exec;
+ struct vc4_exec_info *bin_exec, *render_exec;
spin_lock_irqsave(&vc4->job_lock, irqflags);
- exec = vc4_first_job(vc4);
+
+ bin_exec = vc4_first_bin_job(vc4);
+ render_exec = vc4_first_render_job(vc4);
/* If idle, we can stop watching for hangs. */
- if (!exec) {
+ if (!bin_exec && !render_exec) {
spin_unlock_irqrestore(&vc4->job_lock, irqflags);
return;
}
@@ -284,9 +304,12 @@ vc4_hangcheck_elapsed(unsigned long data)
/* If we've made any progress in execution, rearm the timer
* and wait.
*/
- if (ct0ca != exec->last_ct0ca || ct1ca != exec->last_ct1ca) {
- exec->last_ct0ca = ct0ca;
- exec->last_ct1ca = ct1ca;
+ if ((bin_exec && ct0ca != bin_exec->last_ct0ca) ||
+ (render_exec && ct1ca != render_exec->last_ct1ca)) {
+ if (bin_exec)
+ bin_exec->last_ct0ca = ct0ca;
+ if (render_exec)
+ render_exec->last_ct1ca = ct1ca;
spin_unlock_irqrestore(&vc4->job_lock, irqflags);
vc4_queue_hangcheck(dev);
return;
@@ -386,11 +409,13 @@ vc4_flush_caches(struct drm_device *dev)
* The job_lock should be held during this.
*/
void
-vc4_submit_next_job(struct drm_device *dev)
+vc4_submit_next_bin_job(struct drm_device *dev)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
- struct vc4_exec_info *exec = vc4_first_job(vc4);
+ struct vc4_exec_info *exec;
+again:
+ exec = vc4_first_bin_job(vc4);
if (!exec)
return;
@@ -400,11 +425,40 @@ vc4_submit_next_job(struct drm_device *dev)
V3D_WRITE(V3D_BPOA, 0);
V3D_WRITE(V3D_BPOS, 0);
- if (exec->ct0ca != exec->ct0ea)
+ /* Either put the job in the binner if it uses the binner, or
+ * immediately move it to the to-be-rendered queue.
+ */
+ if (exec->ct0ca != exec->ct0ea) {
submit_cl(dev, 0, exec->ct0ca, exec->ct0ea);
+ } else {
+ vc4_move_job_to_render(dev, exec);
+ goto again;
+ }
+}
+
+void
+vc4_submit_next_render_job(struct drm_device *dev)
+{
+ struct vc4_dev *vc4 = to_vc4_dev(dev);
+ struct vc4_exec_info *exec = vc4_first_render_job(vc4);
+
+ if (!exec)
+ return;
+
submit_cl(dev, 1, exec->ct1ca, exec->ct1ea);
}
+void
+vc4_move_job_to_render(struct drm_device *dev, struct vc4_exec_info *exec)
+{
+ struct vc4_dev *vc4 = to_vc4_dev(dev);
+ bool was_empty = list_empty(&vc4->render_job_list);
+
+ list_move_tail(&exec->head, &vc4->render_job_list);
+ if (was_empty)
+ vc4_submit_next_render_job(dev);
+}
+
static void
vc4_update_bo_seqnos(struct vc4_exec_info *exec, uint64_t seqno)
{
@@ -443,14 +497,14 @@ vc4_queue_submit(struct drm_device *dev, struct vc4_exec_info *exec)
exec->seqno = seqno;
vc4_update_bo_seqnos(exec, seqno);
- list_add_tail(&exec->head, &vc4->job_list);
+ list_add_tail(&exec->head, &vc4->bin_job_list);
/* If no job was executing, kick ours off. Otherwise, it'll
- * get started when the previous job's frame done interrupt
+ * get started when the previous job's flush done interrupt
* occurs.
*/
- if (vc4_first_job(vc4) == exec) {
- vc4_submit_next_job(dev);
+ if (vc4_first_bin_job(vc4) == exec) {
+ vc4_submit_next_bin_job(dev);
vc4_queue_hangcheck(dev);
}
@@ -859,7 +913,8 @@ vc4_gem_init(struct drm_device *dev)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
- INIT_LIST_HEAD(&vc4->job_list);
+ INIT_LIST_HEAD(&vc4->bin_job_list);
+ INIT_LIST_HEAD(&vc4->render_job_list);
INIT_LIST_HEAD(&vc4->job_done_list);
INIT_LIST_HEAD(&vc4->seqno_cb_list);
spin_lock_init(&vc4->job_lock);
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