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authorAlex Deucher <alexdeucher@gmail.com>2009-10-15 23:38:32 -0400
committerDave Airlie <airlied@linux.ie>2009-10-16 18:31:29 +1000
commitd0c403e950d449c8c413a1fbf05dfec45ce03e55 (patch)
tree9a89bee2cc97f2b54f63d9dd4fe87d4db44d7034 /drivers/gpu/drm/radeon
parent2d152c6ba81c8a7776103b517fa454b8da0419aa (diff)
drm/radeon/kms: fix support for original r100
Original radeon didn't have a connector table in the bios. Check for the CRT table and if we have one, add a VGA connector. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/gpu/drm/radeon')
-rw-r--r--drivers/gpu/drm/radeon/radeon_combios.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 3c402b957f0..8298c990be7 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -1773,8 +1773,25 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
DRM_MODE_CONNECTOR_DVII,
&ddc_i2c);
} else {
- DRM_DEBUG("No connector info found\n");
- return false;
+ uint16_t crt_info =
+ combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
+ DRM_DEBUG("Found CRT table, assuming VGA connector\n");
+ if (crt_info) {
+ radeon_add_legacy_encoder(dev,
+ radeon_get_encoder_id(dev,
+ ATOM_DEVICE_CRT1_SUPPORT,
+ 1),
+ ATOM_DEVICE_CRT1_SUPPORT);
+ ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
+ radeon_add_legacy_connector(dev,
+ 0,
+ ATOM_DEVICE_CRT1_SUPPORT,
+ DRM_MODE_CONNECTOR_VGA,
+ &ddc_i2c);
+ } else {
+ DRM_DEBUG("No connector info found\n");
+ return false;
+ }
}
}