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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.c130
1 files changed, 30 insertions, 100 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 865eddfa30a7..50a6dd02f7c5 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -678,23 +678,6 @@ int run_tmds_table(struct drm_device *dev, struct dcb_output *dcbent, int head,
return 0;
}
-static void parse_bios_version(struct drm_device *dev, struct nvbios *bios, uint16_t offset)
-{
- /*
- * offset + 0 (8 bits): Micro version
- * offset + 1 (8 bits): Minor version
- * offset + 2 (8 bits): Chip version
- * offset + 3 (8 bits): Major version
- */
- struct nouveau_drm *drm = nouveau_drm(dev);
-
- bios->major_version = bios->data[offset + 3];
- bios->chip_version = bios->data[offset + 2];
- NV_INFO(drm, "Bios version %02x.%02x.%02x.%02x\n",
- bios->data[offset + 3], bios->data[offset + 2],
- bios->data[offset + 1], bios->data[offset]);
-}
-
static void parse_script_table_pointers(struct nvbios *bios, uint16_t offset)
{
/*
@@ -710,12 +693,6 @@ static void parse_script_table_pointers(struct nvbios *bios, uint16_t offset)
*/
bios->init_script_tbls_ptr = ROM16(bios->data[offset]);
- bios->macro_index_tbl_ptr = ROM16(bios->data[offset + 2]);
- bios->macro_tbl_ptr = ROM16(bios->data[offset + 4]);
- bios->condition_tbl_ptr = ROM16(bios->data[offset + 6]);
- bios->io_condition_tbl_ptr = ROM16(bios->data[offset + 8]);
- bios->io_flag_condition_tbl_ptr = ROM16(bios->data[offset + 10]);
- bios->init_function_tbl_ptr = ROM16(bios->data[offset + 12]);
}
static int parse_bit_A_tbl_entry(struct drm_device *dev, struct nvbios *bios, struct bit_entry *bitentry)
@@ -765,25 +742,6 @@ static int parse_bit_A_tbl_entry(struct drm_device *dev, struct nvbios *bios, st
return 0;
}
-static int parse_bit_C_tbl_entry(struct drm_device *dev, struct nvbios *bios, struct bit_entry *bitentry)
-{
- /*
- * offset + 8 (16 bits): PLL limits table pointer
- *
- * There's more in here, but that's unknown.
- */
- struct nouveau_drm *drm = nouveau_drm(dev);
-
- if (bitentry->length < 10) {
- NV_ERROR(drm, "Do not understand BIT C table\n");
- return -EINVAL;
- }
-
- bios->pll_limit_tbl_ptr = ROM16(bios->data[bitentry->offset + 8]);
-
- return 0;
-}
-
static int parse_bit_display_tbl_entry(struct drm_device *dev, struct nvbios *bios, struct bit_entry *bitentry)
{
/*
@@ -821,12 +779,6 @@ static int parse_bit_init_tbl_entry(struct drm_device *dev, struct nvbios *bios,
}
parse_script_table_pointers(bios, bitentry->offset);
-
- if (bitentry->length >= 16)
- bios->some_script_ptr = ROM16(bios->data[bitentry->offset + 14]);
- if (bitentry->length >= 18)
- bios->init96_tbl_ptr = ROM16(bios->data[bitentry->offset + 16]);
-
return 0;
}
@@ -852,8 +804,6 @@ static int parse_bit_i_tbl_entry(struct drm_device *dev, struct nvbios *bios, st
return -EINVAL;
}
- parse_bios_version(dev, bios, bitentry->offset);
-
/*
* bit 4 seems to indicate a mobile bios (doesn't suffer from BMP's
* Quadro identity crisis), other bits possibly as for BMP feature byte
@@ -1078,9 +1028,6 @@ parse_bit_structure(struct nvbios *bios, const uint16_t bitoffset)
return ret;
if (bios->major_version >= 0x60) /* g80+ */
parse_bit_table(bios, bitoffset, &BIT_TABLE('A', A));
- ret = parse_bit_table(bios, bitoffset, &BIT_TABLE('C', C));
- if (ret)
- return ret;
parse_bit_table(bios, bitoffset, &BIT_TABLE('D', display));
ret = parse_bit_table(bios, bitoffset, &BIT_TABLE('I', init));
if (ret)
@@ -1228,8 +1175,6 @@ static int parse_bmp_structure(struct drm_device *dev, struct nvbios *bios, unsi
*/
bios->feature_byte = bmp[9];
- parse_bios_version(dev, bios, offset + 10);
-
if (bmp_version_major < 5 || bmp_version_minor < 0x10)
bios->old_style_init = true;
legacy_scripts_offset = 18;
@@ -1276,8 +1221,10 @@ static int parse_bmp_structure(struct drm_device *dev, struct nvbios *bios, unsi
bios->fp.lvdsmanufacturerpointer = ROM16(bmp[117]);
bios->fp.fpxlatemanufacturertableptr = ROM16(bmp[119]);
}
+#if 0
if (bmplength > 143)
bios->pll_limit_tbl_ptr = ROM16(bmp[142]);
+#endif
if (bmplength > 157)
bios->fp.duallink_transition_clk = ROM16(bmp[156]) * 10;
@@ -1522,6 +1469,7 @@ parse_dcb20_entry(struct drm_device *dev, struct dcb_table *dcb,
}
case DCB_OUTPUT_DP:
entry->dpconf.sor.link = (conf & 0x00000030) >> 4;
+ entry->extdev = (conf & 0x0000ff00) >> 8;
switch ((conf & 0x00e00000) >> 21) {
case 0:
entry->dpconf.link_bw = 162000;
@@ -1543,8 +1491,10 @@ parse_dcb20_entry(struct drm_device *dev, struct dcb_table *dcb,
}
break;
case DCB_OUTPUT_TMDS:
- if (dcb->version >= 0x40)
+ if (dcb->version >= 0x40) {
entry->tmdsconf.sor.link = (conf & 0x00000030) >> 4;
+ entry->extdev = (conf & 0x0000ff00) >> 8;
+ }
else if (dcb->version >= 0x30)
entry->tmdsconf.slave_addr = (conf & 0x00000700) >> 8;
else if (dcb->version >= 0x22)
@@ -1937,9 +1887,9 @@ parse_dcb_table(struct drm_device *dev, struct nvbios *bios)
if (conn[0] != 0xff) {
NV_INFO(drm, "DCB conn %02d: ", idx);
if (olddcb_conntab(dev)[3] < 4)
- printk("%04x\n", ROM16(conn[0]));
+ pr_cont("%04x\n", ROM16(conn[0]));
else
- printk("%08x\n", ROM32(conn[0]));
+ pr_cont("%08x\n", ROM32(conn[0]));
}
}
dcb_fake_connectors(bios);
@@ -2052,45 +2002,29 @@ uint8_t *nouveau_bios_embedded_edid(struct drm_device *dev)
static bool NVInitVBIOS(struct drm_device *dev)
{
struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvbios *bios = &drm->vbios;
-
- memset(bios, 0, sizeof(struct nvbios));
- spin_lock_init(&bios->lock);
- bios->dev = dev;
-
- bios->data = nouveau_bios(drm->device)->data;
- bios->length = nouveau_bios(drm->device)->size;
- return true;
-}
+ struct nouveau_bios *bios = nouveau_bios(drm->device);
+ struct nvbios *legacy = &drm->vbios;
+
+ memset(legacy, 0, sizeof(struct nvbios));
+ spin_lock_init(&legacy->lock);
+ legacy->dev = dev;
+
+ legacy->data = bios->data;
+ legacy->length = bios->size;
+ legacy->major_version = bios->version.major;
+ legacy->chip_version = bios->version.chip;
+ if (bios->bit_offset) {
+ legacy->type = NVBIOS_BIT;
+ legacy->offset = bios->bit_offset;
+ return !parse_bit_structure(legacy, legacy->offset + 6);
+ } else
+ if (bios->bmp_offset) {
+ legacy->type = NVBIOS_BMP;
+ legacy->offset = bios->bmp_offset;
+ return !parse_bmp_structure(dev, legacy, legacy->offset);
+ }
-static int nouveau_parse_vbios_struct(struct drm_device *dev)
-{
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvbios *bios = &drm->vbios;
- const uint8_t bit_signature[] = { 0xff, 0xb8, 'B', 'I', 'T' };
- const uint8_t bmp_signature[] = { 0xff, 0x7f, 'N', 'V', 0x0 };
- int offset;
-
- offset = findstr(bios->data, bios->length,
- bit_signature, sizeof(bit_signature));
- if (offset) {
- NV_INFO(drm, "BIT BIOS found\n");
- bios->type = NVBIOS_BIT;
- bios->offset = offset;
- return parse_bit_structure(bios, offset + 6);
- }
-
- offset = findstr(bios->data, bios->length,
- bmp_signature, sizeof(bmp_signature));
- if (offset) {
- NV_INFO(drm, "BMP BIOS found\n");
- bios->type = NVBIOS_BMP;
- bios->offset = offset;
- return parse_bmp_structure(dev, bios, offset);
- }
-
- NV_ERROR(drm, "No known BIOS signature found\n");
- return -ENODEV;
+ return false;
}
int
@@ -2146,10 +2080,6 @@ nouveau_bios_init(struct drm_device *dev)
if (!NVInitVBIOS(dev))
return -ENODEV;
- ret = nouveau_parse_vbios_struct(dev);
- if (ret)
- return ret;
-
ret = parse_dcb_table(dev, bios);
if (ret)
return ret;