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path: root/drivers/gpu/drm/nouveau/nouveau_bios.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bios.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.c96
1 files changed, 81 insertions, 15 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index e7e69ccce5c..fc924b64919 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -178,6 +178,25 @@ out:
pci_disable_rom(dev->pdev);
}
+static void load_vbios_acpi(struct drm_device *dev, uint8_t *data)
+{
+ int i;
+ int ret;
+ int size = 64 * 1024;
+
+ if (!nouveau_acpi_rom_supported(dev->pdev))
+ return;
+
+ for (i = 0; i < (size / ROM_BIOS_PAGE); i++) {
+ ret = nouveau_acpi_get_bios_chunk(data,
+ (i * ROM_BIOS_PAGE),
+ ROM_BIOS_PAGE);
+ if (ret <= 0)
+ break;
+ }
+ return;
+}
+
struct methods {
const char desc[8];
void (*loadbios)(struct drm_device *, uint8_t *);
@@ -191,6 +210,7 @@ static struct methods nv04_methods[] = {
};
static struct methods nv50_methods[] = {
+ { "ACPI", load_vbios_acpi, true },
{ "PRAMIN", load_vbios_pramin, true },
{ "PROM", load_vbios_prom, false },
{ "PCIROM", load_vbios_pci, true },
@@ -814,7 +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;
}
@@ -2807,7 +2827,10 @@ init_gpio(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
BIOSLOG(bios, "0x%04X: Entry: 0x%08X\n", offset, gpio->entry);
- nv50_gpio_set(bios->dev, gpio->tag, gpio->state_default);
+ BIOSLOG(bios, "0x%04X: set gpio 0x%02x, state %d\n",
+ offset, gpio->tag, gpio->state_default);
+ if (bios->execute)
+ nv50_gpio_set(bios->dev, gpio->tag, gpio->state_default);
/* The NVIDIA binary driver doesn't appear to actually do
* any of this, my VBIOS does however.
@@ -3897,7 +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;
@@ -3905,12 +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;
@@ -3952,7 +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
@@ -4041,7 +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;
@@ -5533,12 +5573,6 @@ parse_dcb20_entry(struct drm_device *dev, struct dcb_table *dcb,
entry->bus = (conn >> 16) & 0xf;
entry->location = (conn >> 20) & 0x3;
entry->or = (conn >> 24) & 0xf;
- /*
- * Normal entries consist of a single bit, but dual link has the
- * next most significant bit set too
- */
- entry->duallink_possible =
- ((1 << (ffs(entry->or) - 1)) * 3 == entry->or);
switch (entry->type) {
case OUTPUT_ANALOG:
@@ -5622,6 +5656,16 @@ parse_dcb20_entry(struct drm_device *dev, struct dcb_table *dcb,
break;
}
+ if (dcb->version < 0x40) {
+ /* Normal entries consist of a single bit, but dual link has
+ * the next most significant bit set too
+ */
+ entry->duallink_possible =
+ ((1 << (ffs(entry->or) - 1)) * 3 == entry->or);
+ } else {
+ entry->duallink_possible = (entry->sorconf.link == 3);
+ }
+
/* unsure what DCB version introduces this, 3.0? */
if (conf & 0x100000)
entry->i2c_upper_default = true;
@@ -6205,6 +6249,30 @@ nouveau_bios_i2c_devices_takedown(struct drm_device *dev)
nouveau_i2c_fini(dev, entry);
}
+static bool
+nouveau_bios_posted(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ bool was_locked;
+ unsigned htotal;
+
+ if (dev_priv->chipset >= NV_50) {
+ if (NVReadVgaCrtc(dev, 0, 0x00) == 0 &&
+ NVReadVgaCrtc(dev, 0, 0x1a) == 0)
+ return false;
+ return true;
+ }
+
+ was_locked = NVLockVgaCrtcs(dev, false);
+ htotal = NVReadVgaCrtc(dev, 0, 0x06);
+ htotal |= (NVReadVgaCrtc(dev, 0, 0x07) & 0x01) << 8;
+ htotal |= (NVReadVgaCrtc(dev, 0, 0x07) & 0x20) << 4;
+ htotal |= (NVReadVgaCrtc(dev, 0, 0x25) & 0x01) << 10;
+ htotal |= (NVReadVgaCrtc(dev, 0, 0x41) & 0x01) << 11;
+ NVLockVgaCrtcs(dev, was_locked);
+ return (htotal != 0);
+}
+
int
nouveau_bios_init(struct drm_device *dev)
{
@@ -6239,11 +6307,9 @@ nouveau_bios_init(struct drm_device *dev)
bios->execute = false;
/* ... unless card isn't POSTed already */
- if (dev_priv->card_type >= NV_10 &&
- NVReadVgaCrtc(dev, 0, 0x00) == 0 &&
- NVReadVgaCrtc(dev, 0, 0x1a) == 0) {
+ if (!nouveau_bios_posted(dev)) {
NV_INFO(dev, "Adaptor not initialised\n");
- if (dev_priv->card_type < NV_50) {
+ if (dev_priv->card_type < NV_40) {
NV_ERROR(dev, "Unable to POST this chipset\n");
return -ENODEV;
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-03 02:53:53 +0000