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Commit 3454a034 authored by Alexandre Courbot's avatar Alexandre Courbot Committed by Ben Skeggs
Browse files

drm/nouveau/secboot: disable falcon interrupts when running blob 



Make sure we are not disturbed by spurious interrupts, as we poll the
halt bit anyway.

Signed-off-by: default avatarAlexandre Courbot <acourbot@nvidia.com>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 555cafb4

drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm200.c

+7 −0
Original line number Original line Diff line number Diff line
@@ -27,6 +27,7 @@ 
#include <core/gpuobj.h>

#include <core/gpuobj.h>

#include <subdev/fb.h>

#include <subdev/fb.h>

#include <engine/falcon.h>

#include <engine/falcon.h>

#include <subdev/mc.h>





/**

/**

 * gm200_secboot_run_blob() - run the given high-secure blob

 * gm200_secboot_run_blob() - run the given high-secure blob
@@ -63,6 +64,9 @@ gm200_secboot_run_blob(struct nvkm_secboot *sb, struct nvkm_gpuobj *blob) 
	if (ret)

	if (ret)

		goto end;

		goto end;





	/* Disable interrupts as we will poll for the HALT bit */

	nvkm_mc_intr_mask(sb->subdev.device, falcon->owner->index, false);



	/* Start the HS bootloader */

	/* Start the HS bootloader */

	nvkm_falcon_set_start_addr(falcon, sb->acr->start_address);

	nvkm_falcon_set_start_addr(falcon, sb->acr->start_address);

	nvkm_falcon_start(falcon);

	nvkm_falcon_start(falcon);
@@ -79,6 +83,9 @@ gm200_secboot_run_blob(struct nvkm_secboot *sb, struct nvkm_gpuobj *blob) 
	}

	}





end:

end:

	/* Reenable interrupts */

	nvkm_mc_intr_mask(sb->subdev.device, falcon->owner->index, true);



	/* We don't need the ACR firmware anymore */

	/* We don't need the ACR firmware anymore */

	nvkm_gpuobj_unmap(&vma);

	nvkm_gpuobj_unmap(&vma);

	nvkm_falcon_put(falcon, subdev);

	nvkm_falcon_put(falcon, subdev);