if (i2c_index == 0x81)
i2c_index = (dcb->i2c_default_indices & 0xf0) >> 4;
- if (i2c_index > DCB_MAX_NUM_I2C_ENTRIES) {
+ if (i2c_index >= DCB_MAX_NUM_I2C_ENTRIES) {
NV_ERROR(dev, "invalid i2c_index 0x%x\n", i2c_index);
return NULL;
}
NV_ERROR(bios->dev,
"0x%04X: Config 0x%02X exceeds maximal bound 0x%02X\n",
offset, config, count);
- return -EINVAL;
+ return len;
}
configval = ROM32(bios->data[offset + 11 + config * 4]);
NV_ERROR(bios->dev,
"0x%04X: Config 0x%02X exceeds maximal bound 0x%02X\n",
offset, config, count);
- return -EINVAL;
+ return len;
}
freq = ROM16(bios->data[offset + 12 + config * 2]);
dpe = nouveau_bios_dp_table(dev, dcb, &dummy);
if (!dpe) {
NV_ERROR(dev, "0x%04X: INIT_3A: no encoder table!!\n", offset);
- return -EINVAL;
+ return 3;
}
switch (cond) {
int ret;
auxch = nouveau_i2c_find(dev, bios->display.output->i2c_index);
- if (!auxch)
- return -ENODEV;
+ if (!auxch) {
+ NV_ERROR(dev, "0x%04X: couldn't get auxch\n", offset);
+ return 3;
+ }
ret = nouveau_dp_auxch(auxch, 9, 0xd, &cond, 1);
- if (ret)
- return ret;
+ if (ret) {
+ NV_ERROR(dev, "0x%04X: auxch rd fail: %d\n", offset, ret);
+ return 3;
+ }
if (cond & 1)
iexec->execute = false;
NV_ERROR(bios->dev,
"0x%04X: Config 0x%02X exceeds maximal bound 0x%02X\n",
offset, config, count);
- return -EINVAL;
+ return len;
}
freq = ROM32(bios->data[offset + 11 + config * 4]);
* "mask n" and OR it with "data n" before writing it back to the device
*/
+ struct drm_device *dev = bios->dev;
uint8_t i2c_index = bios->data[offset + 1];
uint8_t i2c_address = bios->data[offset + 2] >> 1;
uint8_t count = bios->data[offset + 3];
"Count: 0x%02X\n",
offset, i2c_index, i2c_address, count);
- chan = init_i2c_device_find(bios->dev, i2c_index);
- if (!chan)
- return -ENODEV;
+ chan = init_i2c_device_find(dev, i2c_index);
+ if (!chan) {
+ NV_ERROR(dev, "0x%04X: i2c bus not found\n", offset);
+ return len;
+ }
for (i = 0; i < count; i++) {
uint8_t reg = bios->data[offset + 4 + i * 3];
ret = i2c_smbus_xfer(&chan->adapter, i2c_address, 0,
I2C_SMBUS_READ, reg,
I2C_SMBUS_BYTE_DATA, &val);
- if (ret < 0)
- return ret;
+ if (ret < 0) {
+ NV_ERROR(dev, "0x%04X: i2c rd fail: %d\n", offset, ret);
+ return len;
+ }
BIOSLOG(bios, "0x%04X: I2CReg: 0x%02X, Value: 0x%02X, "
"Mask: 0x%02X, Data: 0x%02X\n",
ret = i2c_smbus_xfer(&chan->adapter, i2c_address, 0,
I2C_SMBUS_WRITE, reg,
I2C_SMBUS_BYTE_DATA, &val);
- if (ret < 0)
- return ret;
+ if (ret < 0) {
+ NV_ERROR(dev, "0x%04X: i2c wr fail: %d\n", offset, ret);
+ return len;
+ }
}
return len;
* "DCB I2C table entry index", set the register to "data n"
*/
+ struct drm_device *dev = bios->dev;
uint8_t i2c_index = bios->data[offset + 1];
uint8_t i2c_address = bios->data[offset + 2] >> 1;
uint8_t count = bios->data[offset + 3];
"Count: 0x%02X\n",
offset, i2c_index, i2c_address, count);
- chan = init_i2c_device_find(bios->dev, i2c_index);
- if (!chan)
- return -ENODEV;
+ chan = init_i2c_device_find(dev, i2c_index);
+ if (!chan) {
+ NV_ERROR(dev, "0x%04X: i2c bus not found\n", offset);
+ return len;
+ }
for (i = 0; i < count; i++) {
uint8_t reg = bios->data[offset + 4 + i * 2];
ret = i2c_smbus_xfer(&chan->adapter, i2c_address, 0,
I2C_SMBUS_WRITE, reg,
I2C_SMBUS_BYTE_DATA, &val);
- if (ret < 0)
- return ret;
+ if (ret < 0) {
+ NV_ERROR(dev, "0x%04X: i2c wr fail: %d\n", offset, ret);
+ return len;
+ }
}
return len;
* address" on the I2C bus given by "DCB I2C table entry index"
*/
+ struct drm_device *dev = bios->dev;
uint8_t i2c_index = bios->data[offset + 1];
uint8_t i2c_address = bios->data[offset + 2] >> 1;
uint8_t count = bios->data[offset + 3];
struct nouveau_i2c_chan *chan;
struct i2c_msg msg;
uint8_t data[256];
- int i;
+ int ret, i;
if (!iexec->execute)
return len;
"Count: 0x%02X\n",
offset, i2c_index, i2c_address, count);
- chan = init_i2c_device_find(bios->dev, i2c_index);
- if (!chan)
- return -ENODEV;
+ chan = init_i2c_device_find(dev, i2c_index);
+ if (!chan) {
+ NV_ERROR(dev, "0x%04X: i2c bus not found\n", offset);
+ return len;
+ }
for (i = 0; i < count; i++) {
data[i] = bios->data[offset + 4 + i];
msg.flags = 0;
msg.len = count;
msg.buf = data;
- if (i2c_transfer(&chan->adapter, &msg, 1) != 1)
- return -EIO;
+ ret = i2c_transfer(&chan->adapter, &msg, 1);
+ if (ret != 1) {
+ NV_ERROR(dev, "0x%04X: i2c wr fail: %d\n", offset, ret);
+ return len;
+ }
}
return len;
* used -- see get_tmds_index_reg()
*/
+ struct drm_device *dev = bios->dev;
uint8_t mlv = bios->data[offset + 1];
uint32_t tmdsaddr = bios->data[offset + 2];
uint8_t mask = bios->data[offset + 3];
offset, mlv, tmdsaddr, mask, data);
reg = get_tmds_index_reg(bios->dev, mlv);
- if (!reg)
- return -EINVAL;
+ if (!reg) {
+ NV_ERROR(dev, "0x%04X: no tmds_index_reg\n", offset);
+ return 5;
+ }
bios_wr32(bios, reg,
tmdsaddr | NV_PRAMDAC_FP_TMDS_CONTROL_WRITE_DISABLE);
* register is used -- see get_tmds_index_reg()
*/
+ struct drm_device *dev = bios->dev;
uint8_t mlv = bios->data[offset + 1];
uint8_t count = bios->data[offset + 2];
int len = 3 + count * 2;
offset, mlv, count);
reg = get_tmds_index_reg(bios->dev, mlv);
- if (!reg)
- return -EINVAL;
+ if (!reg) {
+ NV_ERROR(dev, "0x%04X: no tmds_index_reg\n", offset);
+ return len;
+ }
for (i = 0; i < count; i++) {
uint8_t tmdsaddr = bios->data[offset + 3 + i * 2];
/* no iexec->execute check by design */
pci_nv_19 = bios_rd32(bios, NV_PBUS_PCI_NV_19);
- bios_wr32(bios, NV_PBUS_PCI_NV_19, 0);
+ bios_wr32(bios, NV_PBUS_PCI_NV_19, pci_nv_19 & ~0xf00);
+
bios_wr32(bios, reg, value1);
udelay(10);
if (dev_priv->card_type != NV_50) {
NV_ERROR(bios->dev, "INIT_GPIO on unsupported chipset\n");
- return -ENODEV;
+ return 1;
}
if (!iexec->execute)
uint8_t index;
int i;
-
- if (!iexec->execute)
- return len;
-
+ /* critical! to know the length of the opcode */;
if (!blocklen) {
NV_ERROR(bios->dev,
"0x%04X: Zero block length - has the M table "
return -EINVAL;
}
+ if (!iexec->execute)
+ return len;
+
strap_ramcfg = (bios_rd32(bios, NV_PEXTDEV_BOOT_0) >> 2) & 0xf;
index = bios->data[bios->ram_restrict_tbl_ptr + strap_ramcfg];
if (!bios->display.output) {
NV_ERROR(dev, "INIT_AUXCH: no active output\n");
- return -EINVAL;
+ return len;
}
auxch = init_i2c_device_find(dev, bios->display.output->i2c_index);
if (!auxch) {
NV_ERROR(dev, "INIT_AUXCH: couldn't get auxch %d\n",
bios->display.output->i2c_index);
- return -ENODEV;
+ return len;
}
if (!iexec->execute)
ret = nouveau_dp_auxch(auxch, 9, addr, &data, 1);
if (ret) {
NV_ERROR(dev, "INIT_AUXCH: rd auxch fail %d\n", ret);
- return ret;
+ return len;
}
data &= bios->data[offset + 0];
ret = nouveau_dp_auxch(auxch, 8, addr, &data, 1);
if (ret) {
NV_ERROR(dev, "INIT_AUXCH: wr auxch fail %d\n", ret);
- return ret;
+ return len;
}
}
if (!bios->display.output) {
NV_ERROR(dev, "INIT_ZM_AUXCH: no active output\n");
- return -EINVAL;
+ return len;
}
auxch = init_i2c_device_find(dev, bios->display.output->i2c_index);
if (!auxch) {
NV_ERROR(dev, "INIT_ZM_AUXCH: couldn't get auxch %d\n",
bios->display.output->i2c_index);
- return -ENODEV;
+ return len;
}
if (!iexec->execute)
ret = nouveau_dp_auxch(auxch, 8, addr, &bios->data[offset], 1);
if (ret) {
NV_ERROR(dev, "INIT_ZM_AUXCH: wr auxch fail %d\n", ret);
- return ret;
+ return len;
}
}
static uint8_t *
bios_output_config_match(struct drm_device *dev, struct dcb_entry *dcbent,
- uint16_t record, int record_len, int record_nr)
+ uint16_t record, int record_len, int record_nr,
+ bool match_link)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nvbios *bios = &dev_priv->vbios;
uint16_t table;
int i, v;
+ switch (dcbent->type) {
+ case OUTPUT_TMDS:
+ case OUTPUT_LVDS:
+ case OUTPUT_DP:
+ break;
+ default:
+ match_link = false;
+ break;
+ }
+
for (i = 0; i < record_nr; i++, record += record_len) {
table = ROM16(bios->data[record]);
if (!table)
continue;
entry = ROM32(bios->data[table]);
+ if (match_link) {
+ v = (entry & 0x00c00000) >> 22;
+ if (!(v & dcbent->sorconf.link))
+ continue;
+ }
+
v = (entry & 0x000f0000) >> 16;
if (!(v & dcbent->or))
continue;
*length = table[4];
return bios_output_config_match(dev, dcbent,
bios->display.dp_table_ptr + table[1],
- table[2], table[3]);
+ table[2], table[3], table[0] >= 0x21);
}
int
dcbent->type, dcbent->location, dcbent->or);
otable = bios_output_config_match(dev, dcbent, table[1] +
bios->display.script_table_ptr,
- table[2], table[3]);
+ table[2], table[3], table[0] >= 0x21);
if (!otable) {
NV_ERROR(dev, "Couldn't find matching output script table\n");
return 1;
bios->legacy.i2c_indices.crt = bios->data[legacy_i2c_offset];
bios->legacy.i2c_indices.tv = bios->data[legacy_i2c_offset + 1];
bios->legacy.i2c_indices.panel = bios->data[legacy_i2c_offset + 2];
- bios->dcb.i2c[0].write = bios->data[legacy_i2c_offset + 4];
- bios->dcb.i2c[0].read = bios->data[legacy_i2c_offset + 5];
- bios->dcb.i2c[1].write = bios->data[legacy_i2c_offset + 6];
- bios->dcb.i2c[1].read = bios->data[legacy_i2c_offset + 7];
+ if (bios->data[legacy_i2c_offset + 4])
+ bios->dcb.i2c[0].write = bios->data[legacy_i2c_offset + 4];
+ if (bios->data[legacy_i2c_offset + 5])
+ bios->dcb.i2c[0].read = bios->data[legacy_i2c_offset + 5];
+ if (bios->data[legacy_i2c_offset + 6])
+ bios->dcb.i2c[1].write = bios->data[legacy_i2c_offset + 6];
+ if (bios->data[legacy_i2c_offset + 7])
+ bios->dcb.i2c[1].read = bios->data[legacy_i2c_offset + 7];
if (bmplength > 74) {
bios->fmaxvco = ROM32(bmp[67]);
dcb->entries = newentries;
}
+static bool
+apply_dcb_encoder_quirks(struct drm_device *dev, int idx, u32 *conn, u32 *conf)
+{
+ /* Dell Precision M6300
+ * DCB entry 2: 02025312 00000010
+ * DCB entry 3: 02026312 00000020
+ *
+ * Identical, except apparently a different connector on a
+ * different SOR link. Not a clue how we're supposed to know
+ * which one is in use if it even shares an i2c line...
+ *
+ * Ignore the connector on the second SOR link to prevent
+ * nasty problems until this is sorted (assuming it's not a
+ * VBIOS bug).
+ */
+ if ((dev->pdev->device == 0x040d) &&
+ (dev->pdev->subsystem_vendor == 0x1028) &&
+ (dev->pdev->subsystem_device == 0x019b)) {
+ if (*conn == 0x02026312 && *conf == 0x00000020)
+ return false;
+ }
+
+ return true;
+}
+
static int
parse_dcb_table(struct drm_device *dev, struct nvbios *bios, bool twoHeads)
{
if ((connection & 0x0000000f) == 0x0000000f)
continue;
+ if (!apply_dcb_encoder_quirks(dev, i, &connection, &config))
+ continue;
+
NV_TRACEWARN(dev, "Raw DCB entry %d: %08x %08x\n",
dcb->entries, connection, config);