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| author |   Alex Deucher <alexdeucher@gmail.com> | 2010-05-18 19:26:46 -0400 |
|---|---|---|
| committer |   Dave Airlie <airlied@redhat.com> | 2010-05-19 10:31:16 +1000 |
| commit | 2bfcc0fc698d550689ef020c73b2d977b73e728c (patch) | |
| tree | d0b77b1043b5225e001a1113a3322a297bd6f6bc /drivers/gpu | |
| parent | amd64-agp: Probe unknown AGP devices the right way (diff) | |
| download | linux-dev-2bfcc0fc698d550689ef020c73b2d977b73e728c.tar.xz linux-dev-2bfcc0fc698d550689ef020c73b2d977b73e728c.zip | |
drm/radeon/kms: reset ddc_bus in object header parsing
Some LVDS connectors don't have a ddc bus, so reset the
ddc bus to invalid before parsing the next connector
to avoid using stale ddc bus data. Should fix
fdo bug 28164.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_atombios.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 1c24dad0ac39..8cb4173365c3 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -530,6 +530,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) } /* look up gpio for ddc, hpd */ + ddc_bus.valid = false; + hpd.hpd = RADEON_HPD_NONE; if ((le16_to_cpu(path->usDeviceTag) & (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) == 0) { for (j = 0; j < con_obj->ucNumberOfObjects; j++) { @@ -585,9 +587,6 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) break; } } - } else { - hpd.hpd = RADEON_HPD_NONE; - ddc_bus.valid = false; } /* needed for aux chan transactions */ |