Hi All, > -----Original Message----- > From: Biju <[email protected]> > Sent: 03 December 2025 12:51 > Subject: [PATCH] drm/panfrost: Add GPU_PM_RT support for RZ/G3E SoC > > From: Biju Das <[email protected]> > > RZ/G3E SoC is embedded with Mali-G52 GPU system. The system hangs after STR > in the following > condition: > > STR -> Wakeup from STR -> Unload panfrost using 'modprobe -r panfrost'. > > Fix this issue by asserting/deasserting the reset during suspend/resume. > Rename the variable allwinner_h616_data->default_pm_rt_data for data reuse > and make it as generic GPU > PM runtime data. > > Signed-off-by: Biju Das <[email protected]> > --- > drivers/gpu/drm/panfrost/panfrost_drv.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c > b/drivers/gpu/drm/panfrost/panfrost_drv.c > index 7d8c7c337606..e553f183c780 100644 > --- a/drivers/gpu/drm/panfrost/panfrost_drv.c > +++ b/drivers/gpu/drm/panfrost/panfrost_drv.c > @@ -976,7 +976,7 @@ static const struct panfrost_compatible default_data = { > .pm_domain_names = NULL, > }; > > -static const struct panfrost_compatible allwinner_h616_data = { > +static const struct panfrost_compatible default_pm_rt_data = { > .num_supplies = ARRAY_SIZE(default_supplies) - 1, > .supply_names = default_supplies, > .num_pm_domains = 1, > @@ -1056,6 +1056,7 @@ static const struct of_device_id dt_match[] = { > .data = &amlogic_data, }, > { .compatible = "amlogic,meson-g12a-mali", > .data = &amlogic_data, }, > + { .compatible = "renesas,r9a09g047-mali", .data = &default_pm_rt_data > +}, > { .compatible = "arm,mali-t604", .data = &default_data, }, > { .compatible = "arm,mali-t624", .data = &default_data, }, > { .compatible = "arm,mali-t628", .data = &default_data, }, @@ -1073,7 > +1074,7 @@ static const > struct of_device_id dt_match[] = { > { .compatible = "mediatek,mt8188-mali", .data = &mediatek_mt8188_data }, > { .compatible = "mediatek,mt8192-mali", .data = &mediatek_mt8192_data }, > { .compatible = "mediatek,mt8370-mali", .data = &mediatek_mt8370_data }, > - { .compatible = "allwinner,sun50i-h616-mali", .data = > &allwinner_h616_data }, > + { .compatible = "allwinner,sun50i-h616-mali", .data = > +&default_pm_rt_data }, > {} > }; > MODULE_DEVICE_TABLE(of, dt_match); > -- > 2.43.0
Gentle ping. Cheers, Biju
