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authorLinus Torvalds <torvalds@linux-foundation.org>2010-06-08 19:48:50 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-06-08 19:48:50 -0700
commitf5c98a40947af7e8226fff584151c9ce6eaed03b (patch)
tree94ce8f5c4188c0cb831d25cd208803f0b6f213bc /drivers/gpu/drm/nouveau/nouveau_bios.c
parentfbe33a7c3f388f7b8b2642bfadb1b5914f635a5b (diff)
parentb62e948fd00bda1be2af31b591e5284374de551f (diff)
Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (23 commits) drm/radeon: don't poll tv dac if crtc2 is in use. drm/radeon: reset i2c valid to avoid incorrect tv-out polling. drm/nv50: fix iommu errors caused by device reading from address 0 drm/nouveau: off by one in init_i2c_device_find() nouveau: off by one in nv50_gpio_location() drm/nouveau: completely fail init if we fail to map the PRAMIN BAR drm/nouveau: match U/DP script against SOR link drm/radeon/kms/pm: resurrect printing power states drm/radeon/kms: add trivial debugging for voltage drm/radeon/kms/r600+: use voltage from requested clock mode (v3) drm/radeon/kms/pm: track current voltage (v2) drm/radeon/kms/pm: Disable voltage adjust on RS780/RS880 drm/radeon/kms: fix typo in printing the HPD info drm/radeon/kms/pm: add mid profile drm/radeon/kms/pm: Misc fixes drm/radeon/kms/combios: fix typo in voltage fix drm/radeon/kms/evergreen: set accel_enabled drm/vmwgfx: return -EFAULT for copy_to_user errors drm/drm_crtc: return -EFAULT on copy_to_user errors drm/fb: use printk to print out the switching to text mode error. ...
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bios.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.c25
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 9ba2deaadcc..fc924b64919 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;