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drm/lima: recover task by enlarging heap buffer

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Increase heap buffer backup memory when GP receive PLBU
out of memory interrupt, then resume the task.

Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Tested-by: Andreas Baierl <ichgeh@imkreisrum.de>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200116131157.13346-5-yuq825@gmail.com
This commit is contained in:
Qiang Yu
2020-01-16 21:11:56 +08:00
parent 6aebc51d7a
commit 2081e8dcf1
5 changed files with 97 additions and 6 deletions
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6
drivers/gpu/drm/lima/lima_sched.h
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@ -20,6 +20,9 @@ struct lima_sched_task {
struct lima_bo **bos;
int num_bos;
bool recoverable;
struct lima_bo *heap;
/* pipe fence */
struct dma_fence *fence;
};
@ -68,6 +71,9 @@ struct lima_sched_pipe {
void (*task_fini)(struct lima_sched_pipe *pipe);
void (*task_error)(struct lima_sched_pipe *pipe);
void (*task_mmu_error)(struct lima_sched_pipe *pipe);
int (*task_recover)(struct lima_sched_pipe *pipe);
struct work_struct recover_work;
};
int lima_sched_task_init(struct lima_sched_task *task,