Commit 0c710912 authored May 21, 2021 by Thomas (Wonyoung) Yun Committed by Jie Feng May 22, 2021

soc: qcom: hgsl: Skip DBQ memory initialization



DBQ should not be reinitialized when hgsl starts and should rely on HOST
do reset at allocation. This fix can address the failure case
under GVM restart scenario.

Change-Id: I5c430198efc0e62b527b16a3400684a5ad9d77d3
Signed-off-by: Thomas (Wonyoung) Yun <wyun@codeaurora.org>
Signed-off-by: Jie Feng <jiefeng@codeaurora.org>

parent c6e51290

drivers/soc/qcom/hgsl/hgsl.c

+0 −6

Original line number	Diff line number	Diff line
		@@ -937,12 +937,6 @@ static int hgsl_dbq_init(struct file *filep, unsigned long arg)
		}
		WARN_ON(param.head_dwords < 2);

		dbq_set_qindex((uint32_t *)dbq->vbase,
		DBQ_WRITE_INDEX_IN_DWORD, 0);

		dbq_set_qindex((uint32_t *)dbq->vbase,
		DBQ_READ_INDEX_IN_DWORD, 0);

		dbq->data.vaddr = dbq->vbase + (param.queue_off_dwords << 2);
		dbq->data.dwords = param.queue_dwords;