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drm/xe/xe_i2c: Add support for i2c in survivability mode

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Initialize i2c in survivability mode to allow firmware
update of Add-In Management Controller (AMC) in
survivability mode.

Signed-off-by: Riana Tauro <riana.tauro@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://lore.kernel.org/r/20250701122252.2590230-6-heikki.krogerus@linux.intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Riana Tauro 2025-07-01 15:22:52 +03:00 committed by Rodrigo Vivi
parent 0ea07b6951
commit f5c5d29522
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GPG Key ID: FA625F640EEB13CA
1 changed files with 11 additions and 8 deletions
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19
drivers/gpu/drm/xe/xe_survivability_mode.c
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@ -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 +174,22 @@ static int enable_survivability_mode(struct pci_dev *pdev)
survivability->mode = true;
ret = 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 = false;
return ret;
}
if (ret)
goto err;
xe_vsec_init(xe);
ret = xe_i2c_probe(xe);
if (ret)
goto err;
dev_err(dev, "In Survivability Mode\n");
return 0;
err:
survivability->mode = false;
return ret;
}
/**