in drivers/gpu/drm/radeon/si.c [4771:5024]
static void si_vm_decode_fault(struct radeon_device *rdev,
u32 status, u32 addr)
{
u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
char *block;
if (rdev->family == CHIP_TAHITI) {
switch (mc_id) {
case 160:
case 144:
case 96:
case 80:
case 224:
case 208:
case 32:
case 16:
block = "CB";
break;
case 161:
case 145:
case 97:
case 81:
case 225:
case 209:
case 33:
case 17:
block = "CB_FMASK";
break;
case 162:
case 146:
case 98:
case 82:
case 226:
case 210:
case 34:
case 18:
block = "CB_CMASK";
break;
case 163:
case 147:
case 99:
case 83:
case 227:
case 211:
case 35:
case 19:
block = "CB_IMMED";
break;
case 164:
case 148:
case 100:
case 84:
case 228:
case 212:
case 36:
case 20:
block = "DB";
break;
case 165:
case 149:
case 101:
case 85:
case 229:
case 213:
case 37:
case 21:
block = "DB_HTILE";
break;
case 167:
case 151:
case 103:
case 87:
case 231:
case 215:
case 39:
case 23:
block = "DB_STEN";
break;
case 72:
case 68:
case 64:
case 8:
case 4:
case 0:
case 136:
case 132:
case 128:
case 200:
case 196:
case 192:
block = "TC";
break;
case 112:
case 48:
block = "CP";
break;
case 49:
case 177:
case 50:
case 178:
block = "SH";
break;
case 53:
case 190:
block = "VGT";
break;
case 117:
block = "IH";
break;
case 51:
case 115:
block = "RLC";
break;
case 119:
case 183:
block = "DMA0";
break;
case 61:
block = "DMA1";
break;
case 248:
case 120:
block = "HDP";
break;
default:
block = "unknown";
break;
}
} else {
switch (mc_id) {
case 32:
case 16:
case 96:
case 80:
case 160:
case 144:
case 224:
case 208:
block = "CB";
break;
case 33:
case 17:
case 97:
case 81:
case 161:
case 145:
case 225:
case 209:
block = "CB_FMASK";
break;
case 34:
case 18:
case 98:
case 82:
case 162:
case 146:
case 226:
case 210:
block = "CB_CMASK";
break;
case 35:
case 19:
case 99:
case 83:
case 163:
case 147:
case 227:
case 211:
block = "CB_IMMED";
break;
case 36:
case 20:
case 100:
case 84:
case 164:
case 148:
case 228:
case 212:
block = "DB";
break;
case 37:
case 21:
case 101:
case 85:
case 165:
case 149:
case 229:
case 213:
block = "DB_HTILE";
break;
case 39:
case 23:
case 103:
case 87:
case 167:
case 151:
case 231:
case 215:
block = "DB_STEN";
break;
case 72:
case 68:
case 8:
case 4:
case 136:
case 132:
case 200:
case 196:
block = "TC";
break;
case 112:
case 48:
block = "CP";
break;
case 49:
case 177:
case 50:
case 178:
block = "SH";
break;
case 53:
block = "VGT";
break;
case 117:
block = "IH";
break;
case 51:
case 115:
block = "RLC";
break;
case 119:
case 183:
block = "DMA0";
break;
case 61:
block = "DMA1";
break;
case 248:
case 120:
block = "HDP";
break;
default:
block = "unknown";
break;
}
}
printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
protections, vmid, addr,
(status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
block, mc_id);
}