shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-06 02:50:49 +09:00
Code Issues Packages Projects Releases Wiki Activity

video: rockchip: mpp: add reset ready check for vdpu383

Browse Source 
Change-Id: I915959cc5ca9f01934e201bae110af540ac8dccb
Signed-off-by: Chandler Chen <chandler.chen@rock-chips.com>
This commit is contained in:
Chandler Chen
2024-05-16 11:44:46 +08:00
committed by Tao Huang
parent d42cd4ceda
commit d9a3c682cb
1 changed files with 17 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/video/rockchip/mpp/mpp_rkvdec2.c
View File

@@ -1416,15 +1416,31 @@ static int rkvdec_vdpu383_reset(struct mpp_dev *mpp)
{
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
struct rkvdec_link_dev *link = dec->link_dec;
int ret = 0;
u32 irq_status = 0;
mpp_debug_enter();
/* disable irq */
writel(link->info->ip_en_val & BIT(15), link->reg_base + link->info->ip_en_base);
/* use ip reset to reset core and mmu */
writel(link->info->ip_reset_en, link->reg_base + link->info->ip_reset_base);
udelay(5);
ret = readl_relaxed_poll_timeout(link->reg_base + link->info->status_base,
irq_status,
irq_status & 0x800,
0, 200);
if (ret)
dev_err(mpp->dev, "reset timeout\n");
/* clear reset ready status bit */
writel(link->info->ip_reset_mask, link->reg_base + link->info->status_base);
/* clear irq and status */
writel_relaxed(0xffff0000, link->reg_base + link->info->irq_base);
writel_relaxed(0xffff0000, link->reg_base + link->info->status_base);
/* enable irq */
writel(link->info->ip_en_val, link->reg_base + link->info->ip_en_base);
mpp_debug_leave();
return 0;