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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.c187
1 files changed, 80 insertions, 107 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index ba143972769..d7f8d8b4a4b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -310,63 +310,22 @@ valid_reg(struct nvbios *bios, uint32_t reg)
struct drm_device *dev = bios->dev;
/* C51 has misaligned regs on purpose. Marvellous */
- if (reg & 0x2 || (reg & 0x1 && dev_priv->VBIOS.pub.chip_version != 0x51)) {
- NV_ERROR(dev, "========== misaligned reg 0x%08X ==========\n",
- reg);
- return 0;
- }
- /*
- * Warn on C51 regs that have not been verified accessible in
- * mmiotracing
- */
+ if (reg & 0x2 ||
+ (reg & 0x1 && dev_priv->VBIOS.pub.chip_version != 0x51))
+ NV_ERROR(dev, "======= misaligned reg 0x%08X =======\n", reg);
+
+ /* warn on C51 regs that haven't been verified accessible in tracing */
if (reg & 0x1 && dev_priv->VBIOS.pub.chip_version == 0x51 &&
reg != 0x130d && reg != 0x1311 && reg != 0x60081d)
NV_WARN(dev, "=== C51 misaligned reg 0x%08X not verified ===\n",
reg);
- /* Trust the init scripts on G80 */
- if (dev_priv->card_type >= NV_50)
- return 1;
-
- #define WITHIN(x, y, z) ((x >= y) && (x < y + z))
- if (WITHIN(reg, NV_PMC_OFFSET, NV_PMC_SIZE))
- return 1;
- if (WITHIN(reg, NV_PBUS_OFFSET, NV_PBUS_SIZE))
- return 1;
- if (WITHIN(reg, NV_PFIFO_OFFSET, NV_PFIFO_SIZE))
- return 1;
- if (dev_priv->VBIOS.pub.chip_version >= 0x30 &&
- (WITHIN(reg, 0x4000, 0x600) || reg == 0x00004600))
- return 1;
- if (dev_priv->VBIOS.pub.chip_version >= 0x40 &&
- WITHIN(reg, 0xc000, 0x48))
- return 1;
- if (dev_priv->VBIOS.pub.chip_version >= 0x17 && reg == 0x0000d204)
- return 1;
- if (dev_priv->VBIOS.pub.chip_version >= 0x40) {
- if (reg == 0x00011014 || reg == 0x00020328)
- return 1;
- if (WITHIN(reg, 0x88000, NV_PBUS_SIZE)) /* new PBUS */
- return 1;
+ if (reg >= (8*1024*1024)) {
+ NV_ERROR(dev, "=== reg 0x%08x out of mapped bounds ===\n", reg);
+ return 0;
}
- if (WITHIN(reg, NV_PFB_OFFSET, NV_PFB_SIZE))
- return 1;
- if (WITHIN(reg, NV_PEXTDEV_OFFSET, NV_PEXTDEV_SIZE))
- return 1;
- if (WITHIN(reg, NV_PCRTC0_OFFSET, NV_PCRTC0_SIZE * 2))
- return 1;
- if (WITHIN(reg, NV_PRAMDAC0_OFFSET, NV_PRAMDAC0_SIZE * 2))
- return 1;
- if (dev_priv->VBIOS.pub.chip_version >= 0x17 && reg == 0x0070fff0)
- return 1;
- if (dev_priv->VBIOS.pub.chip_version == 0x51 &&
- WITHIN(reg, NV_PRAMIN_OFFSET, NV_PRAMIN_SIZE))
- return 1;
- #undef WITHIN
- NV_ERROR(dev, "========== unknown reg 0x%08X ==========\n", reg);
-
- return 0;
+ return 1;
}
static bool
@@ -3196,16 +3155,25 @@ static int call_lvds_manufacturer_script(struct drm_device *dev, struct dcb_entr
}
#ifdef __powerpc__
/* Powerbook specific quirks */
- if (script == LVDS_RESET && ((dev->pci_device & 0xffff) == 0x0179 || (dev->pci_device & 0xffff) == 0x0329))
- nv_write_tmds(dev, dcbent->or, 0, 0x02, 0x72);
- if ((dev->pci_device & 0xffff) == 0x0179 || (dev->pci_device & 0xffff) == 0x0189 || (dev->pci_device & 0xffff) == 0x0329) {
- if (script == LVDS_PANEL_ON) {
- bios_wr32(bios, NV_PBUS_DEBUG_DUALHEAD_CTL, bios_rd32(bios, NV_PBUS_DEBUG_DUALHEAD_CTL) | (1 << 31));
- bios_wr32(bios, NV_PCRTC_GPIO_EXT, bios_rd32(bios, NV_PCRTC_GPIO_EXT) | 1);
- }
- if (script == LVDS_PANEL_OFF) {
- bios_wr32(bios, NV_PBUS_DEBUG_DUALHEAD_CTL, bios_rd32(bios, NV_PBUS_DEBUG_DUALHEAD_CTL) & ~(1 << 31));
- bios_wr32(bios, NV_PCRTC_GPIO_EXT, bios_rd32(bios, NV_PCRTC_GPIO_EXT) & ~3);
+ if ((dev->pci_device & 0xffff) == 0x0179 ||
+ (dev->pci_device & 0xffff) == 0x0189 ||
+ (dev->pci_device & 0xffff) == 0x0329) {
+ if (script == LVDS_RESET) {
+ nv_write_tmds(dev, dcbent->or, 0, 0x02, 0x72);
+
+ } else if (script == LVDS_PANEL_ON) {
+ bios_wr32(bios, NV_PBUS_DEBUG_DUALHEAD_CTL,
+ bios_rd32(bios, NV_PBUS_DEBUG_DUALHEAD_CTL)
+ | (1 << 31));
+ bios_wr32(bios, NV_PCRTC_GPIO_EXT,
+ bios_rd32(bios, NV_PCRTC_GPIO_EXT) | 1);
+
+ } else if (script == LVDS_PANEL_OFF) {
+ bios_wr32(bios, NV_PBUS_DEBUG_DUALHEAD_CTL,
+ bios_rd32(bios, NV_PBUS_DEBUG_DUALHEAD_CTL)
+ & ~(1 << 31));
+ bios_wr32(bios, NV_PCRTC_GPIO_EXT,
+ bios_rd32(bios, NV_PCRTC_GPIO_EXT) & ~3);
}
}
#endif
@@ -5434,52 +5402,49 @@ static bool
parse_dcb15_entry(struct drm_device *dev, struct parsed_dcb *dcb,
uint32_t conn, uint32_t conf, struct dcb_entry *entry)
{
- if (conn != 0xf0003f00 && conn != 0xf2247f10 && conn != 0xf2204001 &&
- conn != 0xf2204301 && conn != 0xf2204311 && conn != 0xf2208001 &&
- conn != 0xf2244001 && conn != 0xf2244301 && conn != 0xf2244311 &&
- conn != 0xf4204011 && conn != 0xf4208011 && conn != 0xf4248011 &&
- conn != 0xf2045ff2 && conn != 0xf2045f14 && conn != 0xf207df14 &&
- conn != 0xf2205004 && conn != 0xf2209004) {
- NV_ERROR(dev, "Unknown DCB 1.5 entry, please report\n");
-
- /* cause output setting to fail for !TV, so message is seen */
- if ((conn & 0xf) != 0x1)
- dcb->entries = 0;
-
- return false;
- }
- /* most of the below is a "best guess" atm */
- entry->type = conn & 0xf;
- if (entry->type == 2)
- /* another way of specifying straps based lvds... */
+ switch (conn & 0x0000000f) {
+ case 0:
+ entry->type = OUTPUT_ANALOG;
+ break;
+ case 1:
+ entry->type = OUTPUT_TV;
+ break;
+ case 2:
+ case 3:
entry->type = OUTPUT_LVDS;
- if (entry->type == 4) { /* digital */
- if (conn & 0x10)
- entry->type = OUTPUT_LVDS;
- else
+ break;
+ case 4:
+ switch ((conn & 0x000000f0) >> 4) {
+ case 0:
entry->type = OUTPUT_TMDS;
+ break;
+ case 1:
+ entry->type = OUTPUT_LVDS;
+ break;
+ default:
+ NV_ERROR(dev, "Unknown DCB subtype 4/%d\n",
+ (conn & 0x000000f0) >> 4);
+ return false;
+ }
+ break;
+ default:
+ NV_ERROR(dev, "Unknown DCB type %d\n", conn & 0x0000000f);
+ return false;
}
- /* what's in bits 5-13? could be some encoder maker thing, in tv case */
- entry->i2c_index = (conn >> 14) & 0xf;
- /* raw heads field is in range 0-1, so move to 1-2 */
- entry->heads = ((conn >> 18) & 0x7) + 1;
- entry->location = (conn >> 21) & 0xf;
- /* unused: entry->bus = (conn >> 25) & 0x7; */
- /* set or to be same as heads -- hopefully safe enough */
- entry->or = entry->heads;
+
+ entry->i2c_index = (conn & 0x0003c000) >> 14;
+ entry->heads = ((conn & 0x001c0000) >> 18) + 1;
+ entry->or = entry->heads; /* same as heads, hopefully safe enough */
+ entry->location = (conn & 0x01e00000) >> 21;
+ entry->bus = (conn & 0x0e000000) >> 25;
entry->duallink_possible = false;
switch (entry->type) {
case OUTPUT_ANALOG:
entry->crtconf.maxfreq = (conf & 0xffff) * 10;
break;
- case OUTPUT_LVDS:
- /*
- * This is probably buried in conn's unknown bits.
- * This will upset EDID-ful models, if they exist
- */
- entry->lvdsconf.use_straps_for_mode = true;
- entry->lvdsconf.use_power_scripts = true;
+ case OUTPUT_TV:
+ entry->tvconf.has_component_output = false;
break;
case OUTPUT_TMDS:
/*
@@ -5488,8 +5453,12 @@ parse_dcb15_entry(struct drm_device *dev, struct parsed_dcb *dcb,
*/
fabricate_vga_output(dcb, entry->i2c_index, entry->heads);
break;
- case OUTPUT_TV:
- entry->tvconf.has_component_output = false;
+ case OUTPUT_LVDS:
+ if ((conn & 0x00003f00) != 0x10)
+ entry->lvdsconf.use_straps_for_mode = true;
+ entry->lvdsconf.use_power_scripts = true;
+ break;
+ default:
break;
}
@@ -5564,11 +5533,13 @@ void merge_like_dcb_entries(struct drm_device *dev, struct parsed_dcb *dcb)
dcb->entries = newentries;
}
-static int parse_dcb_table(struct drm_device *dev, struct nvbios *bios, bool twoHeads)
+static int
+parse_dcb_table(struct drm_device *dev, struct nvbios *bios, bool twoHeads)
{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
struct bios_parsed_dcb *bdcb = &bios->bdcb;
struct parsed_dcb *dcb;
- uint16_t dcbptr, i2ctabptr = 0;
+ uint16_t dcbptr = 0, i2ctabptr = 0;
uint8_t *dcbtable;
uint8_t headerlen = 0x4, entries = DCB_MAX_NUM_ENTRIES;
bool configblock = true;
@@ -5579,16 +5550,18 @@ static int parse_dcb_table(struct drm_device *dev, struct nvbios *bios, bool two
dcb->entries = 0;
/* get the offset from 0x36 */
- dcbptr = ROM16(bios->data[0x36]);
+ if (dev_priv->card_type > NV_04) {
+ dcbptr = ROM16(bios->data[0x36]);
+ if (dcbptr == 0x0000)
+ NV_WARN(dev, "No output data (DCB) found in BIOS\n");
+ }
+ /* this situation likely means a really old card, pre DCB */
if (dcbptr == 0x0) {
- NV_WARN(dev, "No output data (DCB) found in BIOS, "
- "assuming a CRT output exists\n");
- /* this situation likely means a really old card, pre DCB */
+ NV_INFO(dev, "Assuming a CRT output exists\n");
fabricate_vga_output(dcb, LEGACY_I2C_CRT, 1);
- if (nv04_tv_identify(dev,
- bios->legacy.i2c_indices.tv) >= 0)
+ if (nv04_tv_identify(dev, bios->legacy.i2c_indices.tv) >= 0)
fabricate_tv_output(dcb, twoHeads);
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 09:19:10 +0000