diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bios.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bios.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index 9ba2deaadcc7..fc924b649195 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -834,7 +834,7 @@ init_i2c_device_find(struct drm_device *dev, int i2c_index) 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; } @@ -3920,7 +3920,8 @@ int nouveau_bios_parse_lvds_table(struct drm_device *dev, int pxclk, bool *dl, b 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; @@ -3928,12 +3929,28 @@ bios_output_config_match(struct drm_device *dev, struct dcb_entry *dcbent, 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; @@ -3975,7 +3992,7 @@ nouveau_bios_dp_table(struct drm_device *dev, struct dcb_entry *dcbent, *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 @@ -4064,7 +4081,7 @@ nouveau_bios_run_display_table(struct drm_device *dev, struct dcb_entry *dcbent, 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; |