Commit e0dd536a authored by Marcin Slusarz's avatar Marcin Slusarz Committed by Ben Skeggs
Browse files

drm/nv84: decode PCRYPT errors 



Signed-off-by: default avatarMarcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 16fde6cd

drivers/gpu/drm/nouveau/nv84_crypt.c

+15 −3
Original line number Diff line number Diff line
@@ -117,18 +117,30 @@ nv84_crypt_tlb_flush(struct drm_device *dev, int engine) 
	nv50_vm_flush_engine(dev, 0x0a);

}



static struct nouveau_bitfield nv84_crypt_intr[] = {

	{ 0x00000001, "INVALID_STATE" },

	{ 0x00000002, "ILLEGAL_MTHD" },

	{ 0x00000004, "ILLEGAL_CLASS" },

	{ 0x00000080, "QUERY" },

	{ 0x00000100, "FAULT" },

	{}

};



static void

nv84_crypt_isr(struct drm_device *dev)

{

	u32 stat = nv_rd32(dev, 0x102130);

	u32 mthd = nv_rd32(dev, 0x102190);

	u32 data = nv_rd32(dev, 0x102194);

	u32 inst = nv_rd32(dev, 0x102188) & 0x7fffffff;

	u64 inst = (u64)(nv_rd32(dev, 0x102188) & 0x7fffffff) << 12;

	int show = nouveau_ratelimit();

	int chid = nv50_graph_isr_chid(dev, inst);



	if (show) {

		NV_INFO(dev, "PCRYPT_INTR: 0x%08x 0x%08x 0x%08x 0x%08x\n",

			     stat, mthd, data, inst);

		NV_INFO(dev, "PCRYPT:");

		nouveau_bitfield_print(nv84_crypt_intr, stat);

		printk(KERN_CONT " ch %d (0x%010llx) mthd 0x%04x data 0x%08x\n",

			chid, inst, mthd, data);

	}



	nv_wr32(dev, 0x102130, stat);