Commit 425c816a authored by Alexandre Courbot's avatar Alexandre Courbot Committed by Ben Skeggs
Browse files

drm/nouveau/secboot: add lazy-bootstrap flag 



When the PMU firmware is present, the falcons it manages need to have
the lazy-bootstrap flag of their WPR header set so the ACR does not boot
them. Add support for this.

Signed-off-by: default avatarAlexandre Courbot <acourbot@nvidia.com>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 64a94ded

drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c

+4 −0
Original line number Diff line number Diff line
@@ -241,6 +241,10 @@ acr_r352_ls_img_fill_headers(struct acr_r352 *acr, 
	whdr->bootstrap_owner = acr->base.boot_falcon;

	whdr->status = LSF_IMAGE_STATUS_COPY;



	/* Skip bootstrapping falcons started by someone else than ACR */

	if (acr->lazy_bootstrap & BIT(_img->falcon_id))

		whdr->lazy_bootstrap = 1;



	/* Align, save off, and include an LSB header size */

	offset = ALIGN(offset, LSF_LSB_HEADER_ALIGN);

	whdr->lsb_offset = offset;

drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.h

+3 −0
Original line number Diff line number Diff line
@@ -223,6 +223,9 @@ struct acr_r352 { 
	/* Firmware already loaded? */

	bool firmware_ok;



	/* Falcons to lazy-bootstrap */

	u32 lazy_bootstrap;



	/* To keep track of the state of all managed falcons */

	enum {

		/* In non-secure state, no firmware loaded, no privileges*/

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