[PATCH v3] pmdomain: rockchip: Fix PD_VCODEC for RK3588

[Chaoyi Chen]

On 2/25/2026 10:55 AM, Shawn Lin wrote:
> From the RK3588 TRM Table 7-1 RK3588 Voltage Domain and Power Domain Summary,
> PD_RKVDEC0/1 and PD_VENC0/1 rely on VD_VCODEC which require extra voltages to
> be applied, otherwise it breaks RK3588-evb1-v10 board after vdec support landed[1].
> The panic looks like below:
> 
>   rockchip-pm-domain fd8d8000.power-management:power-controller: failed to set domain 'rkvdec0' on, val=0
>   rockchip-pm-domain fd8d8000.power-management:power-controller: failed to set domain 'rkvdec1' on, val=0
>   ...
>   Hardware name: Rockchip RK3588S EVB1 V10 Board (DT)
>   Workqueue: pm genpd_power_off_work_fn
>   Call trace:
>   show_stack+0x18/0x24 (C)
>   dump_stack_lvl+0x40/0x84
>   dump_stack+0x18/0x24
>   vpanic+0x1ec/0x4fc
>   vpanic+0x0/0x4fc
>   check_panic_on_warn+0x0/0x94
>   arm64_serror_panic+0x6c/0x78
>   do_serror+0xc4/0xcc
>   el1h_64_error_handler+0x3c/0x5c
>   el1h_64_error+0x6c/0x70
>   regmap_mmio_read32le+0x18/0x24 (P)
>   regmap_bus_reg_read+0xfc/0x130
>   regmap_read+0x188/0x1ac
>   regmap_read+0x54/0x78
>   rockchip_pd_power+0xcc/0x5f0
>   rockchip_pd_power_off+0x1c/0x4c
>   genpd_power_off+0x84/0x120
>   genpd_power_off+0x1b4/0x260
>   genpd_power_off_work_fn+0x38/0x58
>   process_scheduled_works+0x194/0x2c4
>   worker_thread+0x2ac/0x3d8
>   kthread+0x104/0x124
>   ret_from_fork+0x10/0x20
>   SMP: stopping secondary CPUs
>   Kernel Offset: disabled
>   CPU features: 0x3000000,000e0005,40230521,0400720b
>   Memory Limit: none
>   ---[ end Kernel panic - not syncing: Asynchronous SError Interrupt ]---
> 
> Chaoyi pointed out the PD_VCODEC is the parent of PD_RKVDEC0/1 and PD_VENC0/1, so checking
> the PD_VCODEC is enough.
> 
> [1] https://lore.kernel.org/linux-rockchip/20251020212009.8852-2-detlev.casanova@collabora.com/
> Fixes: db6df2e3fc16 ("pmdomain: rockchip: add regulator support")
> Cc: stable at vger.kernel.org
> Suggested-by: Chaoyi Chen <chaoyi.chen at rock-chips.com>
> Signed-off-by: Shawn Lin <shawn.lin at rock-chips.com>
> 
> ---
> 
> Changes in v3:
> - drop tags
> - rework it for just changing PD_VCODEC(chaoyi)
> 
> Changes in v2:
> - collect tags
> - correct TRM section(Sebastian)
> 
>  drivers/pmdomain/rockchip/pm-domains.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>

Reviewed-by: Chaoyi Chen <chaoyi.chen at rock-chips.com> 

> diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c
> index 997e93c..44d3484 100644
> --- a/drivers/pmdomain/rockchip/pm-domains.c
> +++ b/drivers/pmdomain/rockchip/pm-domains.c
> @@ -1311,7 +1311,7 @@ static const struct rockchip_domain_info rk3576_pm_domains[] = {
>  static const struct rockchip_domain_info rk3588_pm_domains[] = {
>  	[RK3588_PD_GPU]		= DOMAIN_RK3588("gpu",     0x0, BIT(0),  0,       0x0, 0,       BIT(1),  0x0, BIT(0),  BIT(0),  false, true),
>  	[RK3588_PD_NPU]		= DOMAIN_RK3588("npu",     0x0, BIT(1),  BIT(1),  0x0, 0,       0,       0x0, 0,       0,       false, true),
> -	[RK3588_PD_VCODEC]	= DOMAIN_RK3588("vcodec",  0x0, BIT(2),  BIT(2),  0x0, 0,       0,       0x0, 0,       0,       false, false),
> +	[RK3588_PD_VCODEC]	= DOMAIN_RK3588("vcodec",  0x0, BIT(2),  BIT(2),  0x0, 0,       0,       0x0, 0,       0,       false, true),
>  	[RK3588_PD_NPUTOP]	= DOMAIN_RK3588("nputop",  0x0, BIT(3),  0,       0x0, BIT(11), BIT(2),  0x0, BIT(1),  BIT(1),  false, false),
>  	[RK3588_PD_NPU1]	= DOMAIN_RK3588("npu1",    0x0, BIT(4),  0,       0x0, BIT(12), BIT(3),  0x0, BIT(2),  BIT(2),  false, false),
>  	[RK3588_PD_NPU2]	= DOMAIN_RK3588("npu2",    0x0, BIT(5),  0,       0x0, BIT(13), BIT(4),  0x0, BIT(3),  BIT(3),  false, false),

-- 
Best, 
Chaoyi