diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bios.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bios.c | 102 |
1 files changed, 38 insertions, 64 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index b2293576f278..d3046559bf05 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -6053,52 +6053,17 @@ static struct dcb_entry *new_dcb_entry(struct dcb_table *dcb) return entry; } -static void fabricate_vga_output(struct dcb_table *dcb, int i2c, int heads) +static void fabricate_dcb_output(struct dcb_table *dcb, int type, int i2c, + int heads, int or) { struct dcb_entry *entry = new_dcb_entry(dcb); - entry->type = 0; + entry->type = type; entry->i2c_index = i2c; entry->heads = heads; - entry->location = DCB_LOC_ON_CHIP; - entry->or = 1; -} - -static void fabricate_dvi_i_output(struct dcb_table *dcb, bool twoHeads) -{ - struct dcb_entry *entry = new_dcb_entry(dcb); - - entry->type = 2; - entry->i2c_index = LEGACY_I2C_PANEL; - entry->heads = twoHeads ? 3 : 1; - entry->location = !DCB_LOC_ON_CHIP; /* ie OFF CHIP */ - entry->or = 1; /* means |0x10 gets set on CRE_LCD__INDEX */ - entry->duallink_possible = false; /* SiI164 and co. are single link */ - -#if 0 - /* - * For dvi-a either crtc probably works, but my card appears to only - * support dvi-d. "nvidia" still attempts to program it for dvi-a, - * doing the full fp output setup (program 0x6808.. fp dimension regs, - * setting 0x680848 to 0x10000111 to enable, maybe setting 0x680880); - * the monitor picks up the mode res ok and lights up, but no pixel - * data appears, so the board manufacturer probably connected up the - * sync lines, but missed the video traces / components - * - * with this introduction, dvi-a left as an exercise for the reader. - */ - fabricate_vga_output(dcb, LEGACY_I2C_PANEL, entry->heads); -#endif -} - -static void fabricate_tv_output(struct dcb_table *dcb, bool twoHeads) -{ - struct dcb_entry *entry = new_dcb_entry(dcb); - - entry->type = 1; - entry->i2c_index = LEGACY_I2C_TV; - entry->heads = twoHeads ? 3 : 1; - entry->location = !DCB_LOC_ON_CHIP; /* ie OFF CHIP */ + if (type != OUTPUT_ANALOG) + entry->location = !DCB_LOC_ON_CHIP; /* ie OFF CHIP */ + entry->or = or; } static bool @@ -6365,8 +6330,36 @@ apply_dcb_encoder_quirks(struct drm_device *dev, int idx, u32 *conn, u32 *conf) return true; } +static void +fabricate_dcb_encoder_table(struct drm_device *dev, struct nvbios *bios) +{ + struct dcb_table *dcb = &bios->dcb; + int all_heads = (nv_two_heads(dev) ? 3 : 1); + +#ifdef __powerpc__ + /* Apple iMac G4 NV17 */ + if (of_machine_is_compatible("PowerMac4,5")) { + fabricate_dcb_output(dcb, OUTPUT_TMDS, 0, all_heads, 1); + fabricate_dcb_output(dcb, OUTPUT_ANALOG, 1, all_heads, 2); + return; + } +#endif + + /* Make up some sane defaults */ + fabricate_dcb_output(dcb, OUTPUT_ANALOG, LEGACY_I2C_CRT, 1, 1); + + if (nv04_tv_identify(dev, bios->legacy.i2c_indices.tv) >= 0) + fabricate_dcb_output(dcb, OUTPUT_TV, LEGACY_I2C_TV, + all_heads, 0); + + else if (bios->tmds.output0_script_ptr || + bios->tmds.output1_script_ptr) + fabricate_dcb_output(dcb, OUTPUT_TMDS, LEGACY_I2C_PANEL, + all_heads, 1); +} + static int -parse_dcb_table(struct drm_device *dev, struct nvbios *bios, bool twoHeads) +parse_dcb_table(struct drm_device *dev, struct nvbios *bios) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct dcb_table *dcb = &bios->dcb; @@ -6386,12 +6379,7 @@ parse_dcb_table(struct drm_device *dev, struct nvbios *bios, bool twoHeads) /* this situation likely means a really old card, pre DCB */ if (dcbptr == 0x0) { - 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) - fabricate_tv_output(dcb, twoHeads); - + fabricate_dcb_encoder_table(dev, bios); return 0; } @@ -6451,21 +6439,7 @@ parse_dcb_table(struct drm_device *dev, struct nvbios *bios, bool twoHeads) */ NV_TRACEWARN(dev, "No useful information in BIOS output table; " "adding all possible outputs\n"); - fabricate_vga_output(dcb, LEGACY_I2C_CRT, 1); - - /* - * Attempt to detect TV before DVI because the test - * for the former is more accurate and it rules the - * latter out. - */ - if (nv04_tv_identify(dev, - bios->legacy.i2c_indices.tv) >= 0) - fabricate_tv_output(dcb, twoHeads); - - else if (bios->tmds.output0_script_ptr || - bios->tmds.output1_script_ptr) - fabricate_dvi_i_output(dcb, twoHeads); - + fabricate_dcb_encoder_table(dev, bios); return 0; } @@ -6859,7 +6833,7 @@ nouveau_bios_init(struct drm_device *dev) if (ret) return ret; - ret = parse_dcb_table(dev, bios, nv_two_heads(dev)); + ret = parse_dcb_table(dev, bios); if (ret) return ret; |