diff options
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bios.c | 112 |
1 files changed, 70 insertions, 42 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index ed0f530..2e8cdd7 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -935,7 +935,7 @@ init_io_restrict_prog(struct nvbios *bios, uint16_t offset, 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]); @@ -1037,7 +1037,7 @@ init_io_restrict_pll(struct nvbios *bios, uint16_t offset, 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]); @@ -1209,7 +1209,7 @@ init_dp_condition(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) 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) { @@ -1233,12 +1233,16 @@ init_dp_condition(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) 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; @@ -1407,7 +1411,7 @@ init_io_restrict_pll2(struct nvbios *bios, uint16_t offset, 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]); @@ -1467,6 +1471,7 @@ init_i2c_byte(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) * "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]; @@ -1481,9 +1486,11 @@ init_i2c_byte(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) "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]; @@ -1494,8 +1501,10 @@ init_i2c_byte(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) 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", @@ -1509,8 +1518,10 @@ init_i2c_byte(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) 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; @@ -1535,6 +1546,7 @@ init_zm_i2c_byte(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) * "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]; @@ -1549,9 +1561,11 @@ init_zm_i2c_byte(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) "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]; @@ -1568,8 +1582,10 @@ init_zm_i2c_byte(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) 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; @@ -1592,6 +1608,7 @@ init_zm_i2c(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) * 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]; @@ -1599,7 +1616,7 @@ init_zm_i2c(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) struct nouveau_i2c_chan *chan; struct i2c_msg msg; uint8_t data[256]; - int i; + int ret, i; if (!iexec->execute) return len; @@ -1608,9 +1625,11 @@ init_zm_i2c(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) "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]; @@ -1623,8 +1642,11 @@ init_zm_i2c(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) 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; @@ -1648,6 +1670,7 @@ init_tmds(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) * 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]; @@ -1662,8 +1685,10 @@ init_tmds(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) 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); @@ -1693,6 +1718,7 @@ init_zm_tmds_group(struct nvbios *bios, uint16_t offset, * 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; @@ -1706,8 +1732,10 @@ init_zm_tmds_group(struct nvbios *bios, uint16_t offset, 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]; @@ -2816,7 +2844,7 @@ init_gpio(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) if (dev_priv->card_type != NV_50) { NV_ERROR(bios->dev, "INIT_GPIO on unsupported chipset\n"); - return -ENODEV; + return 1; } if (!iexec->execute) @@ -2888,10 +2916,7 @@ init_ram_restrict_zm_reg_group(struct nvbios *bios, uint16_t offset, 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 " @@ -2899,6 +2924,9 @@ init_ram_restrict_zm_reg_group(struct nvbios *bios, uint16_t offset, 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]; @@ -3080,14 +3108,14 @@ init_auxch(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) 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) @@ -3100,7 +3128,7 @@ init_auxch(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) 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]; @@ -3109,7 +3137,7 @@ init_auxch(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) 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; } } @@ -3139,14 +3167,14 @@ init_zm_auxch(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) 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) @@ -3157,7 +3185,7 @@ init_zm_auxch(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) 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; } } |