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Commit 560f989f authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/pmu/gk104: check fuse to determine presence of PGOB 



Not 100% confirmed, but seems to match from the few boards I've looked
at so far.

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 779d16aa

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk104.c

+4 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ 
#include "fuc/gf119.fuc4.h"



#include <core/option.h>

#include <subdev/fuse.h>

#include <subdev/timer.h>



static void
@@ -57,6 +58,9 @@ gk104_pmu_pgob(struct nvkm_pmu *pmu, bool enable) 
{

	struct nvkm_device *device = pmu->subdev.device;



	if (!(nvkm_fuse_read(device->fuse, 0x31c) & 0x00000001))

		return;



	nvkm_mask(device, 0x000200, 0x00001000, 0x00000000);

	nvkm_rd32(device, 0x000200);

	nvkm_mask(device, 0x000200, 0x08000000, 0x08000000);