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[86.162.200.138]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4792a7975c8sm52651595e9.1.2025.12.03.04.51.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Dec 2025 04:51:06 -0800 (PST) From: Biju X-Google-Original-From: Biju To: Boris Brezillon , Rob Herring , Steven Price , =?UTF-8?q?Adri=C3=A1n=20Larumbe?= , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Geert Uytterhoeven , Magnus Damm Cc: Biju Das , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar Mahadev Lad , Biju Das Subject: [PATCH] drm/panfrost: Add GPU_PM_RT support for RZ/G3E SoC Date: Wed, 3 Dec 2025 12:51:01 +0000 Message-ID: <20251203125104.67596-1-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Biju Das 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 Reviewed-by: Steven Price --- 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/panf= rost/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 = =3D { .pm_domain_names =3D NULL, }; =20 -static const struct panfrost_compatible allwinner_h616_data =3D { +static const struct panfrost_compatible default_pm_rt_data =3D { .num_supplies =3D ARRAY_SIZE(default_supplies) - 1, .supply_names =3D default_supplies, .num_pm_domains =3D 1, @@ -1056,6 +1056,7 @@ static const struct of_device_id dt_match[] =3D { .data =3D &amlogic_data, }, { .compatible =3D "amlogic,meson-g12a-mali", .data =3D &amlogic_data, }, + { .compatible =3D "renesas,r9a09g047-mali", .data =3D &default_pm_rt_data= }, { .compatible =3D "arm,mali-t604", .data =3D &default_data, }, { .compatible =3D "arm,mali-t624", .data =3D &default_data, }, { .compatible =3D "arm,mali-t628", .data =3D &default_data, }, @@ -1073,7 +1074,7 @@ static const struct of_device_id dt_match[] =3D { { .compatible =3D "mediatek,mt8188-mali", .data =3D &mediatek_mt8188_data= }, { .compatible =3D "mediatek,mt8192-mali", .data =3D &mediatek_mt8192_data= }, { .compatible =3D "mediatek,mt8370-mali", .data =3D &mediatek_mt8370_data= }, - { .compatible =3D "allwinner,sun50i-h616-mali", .data =3D &allwinner_h616= _data }, + { .compatible =3D "allwinner,sun50i-h616-mali", .data =3D &default_pm_rt_= data }, {} }; MODULE_DEVICE_TABLE(of, dt_match); --=20 2.43.0