From: Rain Yang <[email protected]> Some platforms, such as i.MX95, utilize multiple power domains that need to be attached explicitly. This patch ensures that the driver properly attaches all available power domains using devm_pm_domain_attach_list().
Signed-off-by: Prabhu Sundararaj <[email protected]> Signed-off-by: Rain Yang <[email protected]> --- drivers/gpu/drm/panthor/panthor_device.c | 6 ++++++ drivers/gpu/drm/panthor/panthor_device.h | 2 ++ 2 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/panthor/panthor_device.c b/drivers/gpu/drm/panthor/panthor_device.c index f0b2da5b2b96..6f40d053b16c 100644 --- a/drivers/gpu/drm/panthor/panthor_device.c +++ b/drivers/gpu/drm/panthor/panthor_device.c @@ -218,6 +218,12 @@ int panthor_device_init(struct panthor_device *ptdev) if (ret) return ret; + ret = devm_pm_domain_attach_list(ptdev->base.dev, NULL, &ptdev->pd_list); + if (ret < 0) { + drm_err(&ptdev->base, "attach power domains failed, ret=%d", ret); + return ret; + } + ret = panthor_devfreq_init(ptdev); if (ret) return ret; diff --git a/drivers/gpu/drm/panthor/panthor_device.h b/drivers/gpu/drm/panthor/panthor_device.h index 4fc7cf2aeed5..5ecb541ec67b 100644 --- a/drivers/gpu/drm/panthor/panthor_device.h +++ b/drivers/gpu/drm/panthor/panthor_device.h @@ -196,6 +196,8 @@ struct panthor_device { /** @recovery_needed: True when a resume attempt failed. */ atomic_t recovery_needed; } pm; + /** @pm: Power management related data. */ + struct dev_pm_domain_list *pd_list; /** @profile_mask: User-set profiling flags for job accounting. */ u32 profile_mask; -- 2.39.5
