Commit 56b2f68c authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nve0/fifo: bind intr 



Error code names from Android GK20A driver.

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 129dcca7

drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c

+27 −2
Original line number Diff line number Diff line
@@ -500,6 +500,32 @@ nve0_fifo_swmthd(struct nve0_fifo_priv *priv, u32 chid, u32 mthd, u32 data) 
	return ret;

}



static const struct nouveau_enum

nve0_fifo_bind_reason[] = {

	{ 0x01, "BIND_NOT_UNBOUND" },

	{ 0x02, "SNOOP_WITHOUT_BAR1" },

	{ 0x03, "UNBIND_WHILE_RUNNING" },

	{ 0x05, "INVALID_RUNLIST" },

	{ 0x06, "INVALID_CTX_TGT" },

	{ 0x0b, "UNBIND_WHILE_PARKED" },

	{}

};



static void

nve0_fifo_intr_bind(struct nve0_fifo_priv *priv)

{

	u32 intr = nv_rd32(priv, 0x00252c);

	u32 code = intr & 0x000000ff;

	const struct nouveau_enum *en;

	char enunk[6] = "";



	en = nouveau_enum_find(nve0_fifo_bind_reason, code);

	if (!en)

		snprintf(enunk, sizeof(enunk), "UNK%02x", code);



	nv_error(priv, "BIND_ERROR [ %s ]\n", en ? en->name : enunk);

}



static const struct nouveau_enum

nve0_fifo_sched_reason[] = {

	{ 0x0a, "CTXSW_TIMEOUT" },
@@ -844,8 +870,7 @@ nve0_fifo_intr(struct nouveau_subdev *subdev) 
	u32 stat = nv_rd32(priv, 0x002100) & mask;



	if (stat & 0x00000001) {

		u32 stat = nv_rd32(priv, 0x00252c);

		nv_error(priv, "BIND_ERROR 0x%08x\n", stat);

		nve0_fifo_intr_bind(priv);

		nv_wr32(priv, 0x002100, 0x00000001);

		stat &= ~0x00000001;

	}