Commit caf2be8a authored by Ilia Mirkin's avatar Ilia Mirkin Committed by Ben Skeggs
Browse files

drm/nouveau/gr/gf100: provide a bit more info for various errors 



Signed-off-by: default avatarIlia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent cf091292

drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c

+69 −9
Original line number Diff line number Diff line
@@ -856,7 +856,41 @@ gf100_gr_units(struct nvkm_gr *base) 
	return cfg;

}



static const struct nvkm_bitfield gf100_dispatch_error[] = {

	{ 0x00000001, "INJECTED_BUNDLE_ERROR" },

	{ 0x00000002, "CLASS_SUBCH_MISMATCH" },

	{ 0x00000004, "SUBCHSW_DURING_NOTIFY" },

	{}

};



static const struct nvkm_bitfield gf100_m2mf_error[] = {

	{ 0x00000001, "PUSH_TOO_MUCH_DATA" },

	{ 0x00000002, "PUSH_NOT_ENOUGH_DATA" },

	{}

};



static const struct nvkm_bitfield gf100_unk6_error[] = {

	{ 0x00000001, "TEMP_TOO_SMALL" },

	{}

};



static const struct nvkm_bitfield gf100_ccache_error[] = {

	{ 0x00000001, "INTR" },

	{ 0x00000002, "LDCONST_OOB" },

	{}

};



static const struct nvkm_bitfield gf100_macro_error[] = {

	{ 0x00000001, "TOO_FEW_PARAMS" },

	{ 0x00000002, "TOO_MANY_PARAMS" },

	{ 0x00000004, "ILLEGAL_OPCODE" },

	{ 0x00000008, "DOUBLE_BRANCH" },

	{ 0x00000010, "WATCHDOG" },

	{}

};



static const struct nvkm_bitfield gk104_sked_error[] = {

	{ 0x00000040, "CTA_RESUME" },

	{ 0x00000080, "CONSTANT_BUFFER_SIZE" },

	{ 0x00000200, "LOCAL_MEMORY_SIZE_POS" },

	{ 0x00000400, "LOCAL_MEMORY_SIZE_NEG" },
@@ -866,6 +900,8 @@ static const struct nvkm_bitfield gk104_sked_error[] = { 
	{ 0x00040000, "TOTAL_THREADS" },

	{ 0x00100000, "PROGRAM_OFFSET" },

	{ 0x00200000, "SHARED_MEMORY_SIZE" },

	{ 0x00800000, "CTA_THREAD_DIMENSION_ZERO" },

	{ 0x01000000, "MEMORY_WINDOW_OVERLAP" },

	{ 0x02000000, "SHARED_CONFIG_TOO_SMALL" },

	{ 0x04000000, "TOTAL_REGISTER_COUNT" },

	{}
@@ -1035,12 +1071,16 @@ gf100_gr_trap_intr(struct gf100_gr *gr) 
{

	struct nvkm_subdev *subdev = &gr->base.engine.subdev;

	struct nvkm_device *device = subdev->device;

	char error[128];

	u32 trap = nvkm_rd32(device, 0x400108);

	int rop, gpc;



	if (trap & 0x00000001) {

		u32 stat = nvkm_rd32(device, 0x404000);

		nvkm_error(subdev, "DISPATCH %08x\n", stat);



		nvkm_snprintbf(error, sizeof(error), gf100_dispatch_error,

			       stat & 0x3fffffff);

		nvkm_error(subdev, "DISPATCH %08x [%s]\n", stat, error);

		nvkm_wr32(device, 0x404000, 0xc0000000);

		nvkm_wr32(device, 0x400108, 0x00000001);

		trap &= ~0x00000001;
@@ -1048,7 +1088,11 @@ gf100_gr_trap_intr(struct gf100_gr *gr) 


	if (trap & 0x00000002) {

		u32 stat = nvkm_rd32(device, 0x404600);

		nvkm_error(subdev, "M2MF %08x\n", stat);



		nvkm_snprintbf(error, sizeof(error), gf100_m2mf_error,

			       stat & 0x3fffffff);

		nvkm_error(subdev, "M2MF %08x [%s]\n", stat, error);



		nvkm_wr32(device, 0x404600, 0xc0000000);

		nvkm_wr32(device, 0x400108, 0x00000002);

		trap &= ~0x00000002;
@@ -1056,7 +1100,10 @@ gf100_gr_trap_intr(struct gf100_gr *gr) 


	if (trap & 0x00000008) {

		u32 stat = nvkm_rd32(device, 0x408030);

		nvkm_error(subdev, "CCACHE %08x\n", stat);



		nvkm_snprintbf(error, sizeof(error), gf100_m2mf_error,

			       stat & 0x3fffffff);

		nvkm_error(subdev, "CCACHE %08x [%s]\n", stat, error);

		nvkm_wr32(device, 0x408030, 0xc0000000);

		nvkm_wr32(device, 0x400108, 0x00000008);

		trap &= ~0x00000008;
@@ -1064,7 +1111,8 @@ gf100_gr_trap_intr(struct gf100_gr *gr) 


	if (trap & 0x00000010) {

		u32 stat = nvkm_rd32(device, 0x405840);

		nvkm_error(subdev, "SHADER %08x\n", stat);

		nvkm_error(subdev, "SHADER %08x, sph: 0x%06x, stage: 0x%02x\n",

			   stat, stat & 0xffffff, (stat >> 24) & 0x3f);

		nvkm_wr32(device, 0x405840, 0xc0000000);

		nvkm_wr32(device, 0x400108, 0x00000010);

		trap &= ~0x00000010;
@@ -1072,7 +1120,11 @@ gf100_gr_trap_intr(struct gf100_gr *gr) 


	if (trap & 0x00000040) {

		u32 stat = nvkm_rd32(device, 0x40601c);

		nvkm_error(subdev, "UNK6 %08x\n", stat);



		nvkm_snprintbf(error, sizeof(error), gf100_unk6_error,

			       stat & 0x3fffffff);

		nvkm_error(subdev, "UNK6 %08x [%s]\n", stat, error);



		nvkm_wr32(device, 0x40601c, 0xc0000000);

		nvkm_wr32(device, 0x400108, 0x00000040);

		trap &= ~0x00000040;
@@ -1080,7 +1132,16 @@ gf100_gr_trap_intr(struct gf100_gr *gr) 


	if (trap & 0x00000080) {

		u32 stat = nvkm_rd32(device, 0x404490);

		nvkm_error(subdev, "MACRO %08x\n", stat);

		u32 pc = nvkm_rd32(device, 0x404494);

		u32 op = nvkm_rd32(device, 0x40449c);



		nvkm_snprintbf(error, sizeof(error), gf100_macro_error,

			       stat & 0x1fffffff);

		nvkm_error(subdev, "MACRO %08x [%s], pc: 0x%03x%s, op: 0x%08x\n",

			   stat, error, pc & 0x7ff,

			   (pc & 0x10000000) ? "" : " (invalid)",

			   op);



		nvkm_wr32(device, 0x404490, 0xc0000000);

		nvkm_wr32(device, 0x400108, 0x00000080);

		trap &= ~0x00000080;
@@ -1088,10 +1149,9 @@ gf100_gr_trap_intr(struct gf100_gr *gr) 


	if (trap & 0x00000100) {

		u32 stat = nvkm_rd32(device, 0x407020) & 0x3fffffff;

		char sked[128];



		nvkm_snprintbf(sked, sizeof(sked), gk104_sked_error, stat);

		nvkm_error(subdev, "SKED: %08x [%s]\n", stat, sked);

		nvkm_snprintbf(error, sizeof(error), gk104_sked_error, stat);

		nvkm_error(subdev, "SKED: %08x [%s]\n", stat, error);



		if (stat)

			nvkm_wr32(device, 0x407020, 0x40000000);