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([10.237.72.28]) by fmviesa007.fm.intel.com with ESMTP; 26 Jun 2025 06:56:29 -0700 From: Heikki Krogerus To: Lucas De Marchi , =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= , Rodrigo Vivi Cc: Jarkko Nikula , David Airlie , Simona Vetter , Andy Shevchenko , Mika Westerberg , Jan Dabros , Andi Shyti , Raag Jadav , "Tauro, Riana" , "Adatrao, Srinivasa" , "Michael J. Ruhl" , intel-xe@lists.freedesktop.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 4/4] drm/xe/xe_i2c: Add support for i2c in survivability mode Date: Thu, 26 Jun 2025 16:56:09 +0300 Message-ID: <20250626135610.299943-5-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250626135610.299943-1-heikki.krogerus@linux.intel.com> References: <20250626135610.299943-1-heikki.krogerus@linux.intel.com> 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: Riana Tauro Initialize i2c in survivability mode to allow firmware update of Add-In Management Controller (AMC) in survivability mode Signed-off-by: Riana Tauro Reviewed-by: Raag Jadav Signed-off-by: Heikki Krogerus --- drivers/gpu/drm/xe/xe_survivability_mode.c | 23 ++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/xe/xe_survivability_mode.c b/drivers/gpu/drm/x= e/xe_survivability_mode.c index 1f710b3fc599..3800cc855c22 100644 --- a/drivers/gpu/drm/xe/xe_survivability_mode.c +++ b/drivers/gpu/drm/xe/xe_survivability_mode.c @@ -14,6 +14,7 @@ #include "xe_device.h" #include "xe_gt.h" #include "xe_heci_gsc.h" +#include "xe_i2c.h" #include "xe_mmio.h" #include "xe_pcode_api.h" #include "xe_vsec.h" @@ -173,20 +174,26 @@ static int enable_survivability_mode(struct pci_dev *= pdev) survivability->mode =3D true; =20 ret =3D xe_heci_gsc_init(xe); - if (ret) { - /* - * But if it fails, device can't enter survivability - * so move it back for correct error handling - */ - survivability->mode =3D false; - return ret; - } + if (ret) + goto err; =20 xe_vsec_init(xe); =20 + ret =3D xe_i2c_probe(xe); + if (ret) + goto err; + dev_err(dev, "In Survivability Mode\n"); =20 return 0; + +err: + /* + * But if it fails, device can't enter survivability + * so move it back for correct error handling + */ + survivability->mode =3D false; + return ret; } =20 /** --=20 2.47.2