Signed-off-by: Francisco Jerez <[email protected]>
---
drivers/gpu/drm/nouveau/nouveau_bios.c | 21 +++++++++++++++++++--
drivers/gpu/drm/nouveau/nouveau_bios.h | 4 ++++
2 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c
b/drivers/gpu/drm/nouveau/nouveau_bios.c
index e9e1e8f..ec0614f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -33,6 +33,7 @@
#define FEATURE_MOBILE 0x10 /* also FEATURE_QUADRO for BMP */
#define LEGACY_I2C_CRT 0x80
#define LEGACY_I2C_PANEL 0x81
+#define LEGACY_I2C_TV 0x82
#define EDID1_LEN 128
@@ -3960,8 +3961,8 @@ static int parse_bit_i_tbl_entry(struct drm_device *dev,
struct nvbios *bios, st
if (!daccmpoffset)
return 0;
- /* The first value in the table, following the header, is the
comparison value
- * Purpose of subsequent values unknown -- TV load detection?
+ /* The first value in the table, following the header, is the
comparison value,
+ * the second entry is a comparison value for TV load detection.
*/
dacver = bios->data[daccmpoffset];
@@ -3974,6 +3975,7 @@ static int parse_bit_i_tbl_entry(struct drm_device *dev,
struct nvbios *bios, st
}
bios->pub.dactestval = ROM32(bios->data[daccmpoffset + dacheaderlen]);
+ bios->pub.tvdactestval = ROM32(bios->data[daccmpoffset + dacheaderlen +
4]);
return 0;
}
@@ -4561,6 +4563,15 @@ parse_dcb20_entry(struct drm_device *dev, struct
bios_parsed_dcb *bdcb,
}
break;
}
+ case OUTPUT_TV:
+ {
+ if (bdcb->version >= 0x30)
+ entry->tvconf.has_component_output = conf & (0x8 << 4);
+ else
+ entry->tvconf.has_component_output = false;
+
+ break;
+ }
case 0xe:
/* weird g80 mobile type that "nv" treats as a terminator */
bdcb->dcb.entries--;
@@ -4626,6 +4637,10 @@ parse_dcb15_entry(struct drm_device *dev, struct
parsed_dcb *dcb,
/* invent a DVI-A output, by copying the fields of the DVI-D
* output; reported to work by math_b on an NV20(!) */
fabricate_vga_output(dcb, entry->i2c_index, entry->heads);
+ break;
+ case OUTPUT_TV:
+ entry->tvconf.has_component_output = false;
+ break;
}
return true;
@@ -4835,6 +4850,8 @@ static void fixup_legacy_i2c(struct nvbios *bios)
dcb->entry[i].i2c_index = bios->legacy.i2c_indices.crt;
if (dcb->entry[i].i2c_index == LEGACY_I2C_PANEL)
dcb->entry[i].i2c_index =
bios->legacy.i2c_indices.panel;
+ if (dcb->entry[i].i2c_index == LEGACY_I2C_TV)
+ dcb->entry[i].i2c_index = bios->legacy.i2c_indices.tv;
}
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.h
b/drivers/gpu/drm/nouveau/nouveau_bios.h
index 24fc305..e187ba6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.h
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.h
@@ -50,6 +50,9 @@ struct dcb_entry {
bool use_straps_for_mode;
bool use_power_scripts;
} lvdsconf;
+ struct {
+ bool has_component_output;
+ } tvconf;
};
bool i2c_upper_default;
};
@@ -145,6 +148,7 @@ struct nouveau_bios_info {
uint8_t chip_version;
uint32_t dactestval;
+ uint32_t tvdactestval;
uint8_t digital_min_front_porch;
bool fp_no_ddc;
};
--
1.6.3.3
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