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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-16 17:17:25 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-16 17:17:25 -0700 |
commit | 6a2a2cdd57d11ee3117539b846a45df6efbd35b1 (patch) | |
tree | b6ab218810666a75d6612bde4d4a224118c0834c /drivers/gpu/drm/radeon/atombios_dp.c | |
parent | 8e360ec82322358056786e651322085af3ef6960 (diff) | |
parent | 5698bd757d55b1bb87edd1a9744ab09c142abfc2 (diff) | |
download | linux-6a2a2cdd57d11ee3117539b846a45df6efbd35b1.tar.bz2 |
Merge 3.6-rc6 into staging-next
This pulls in the staging tree fixes in 3.6-rc6 into our branch to resolve the
merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_dp.c')
-rw-r--r-- | drivers/gpu/drm/radeon/atombios_dp.c | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 7712cf5ab33b..3623b98ed3fe 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -577,30 +577,25 @@ int radeon_dp_get_panel_mode(struct drm_encoder *encoder, struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector = to_radeon_connector(connector); int panel_mode = DP_PANEL_MODE_EXTERNAL_DP_MODE; + u16 dp_bridge = radeon_connector_encoder_get_dp_bridge_encoder_id(connector); + u8 tmp; if (!ASIC_IS_DCE4(rdev)) return panel_mode; - if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) == - ENCODER_OBJECT_ID_NUTMEG) - panel_mode = DP_PANEL_MODE_INTERNAL_DP1_MODE; - else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) == - ENCODER_OBJECT_ID_TRAVIS) { - u8 id[6]; - int i; - for (i = 0; i < 6; i++) - id[i] = radeon_read_dpcd_reg(radeon_connector, 0x503 + i); - if (id[0] == 0x73 && - id[1] == 0x69 && - id[2] == 0x76 && - id[3] == 0x61 && - id[4] == 0x72 && - id[5] == 0x54) + if (dp_bridge != ENCODER_OBJECT_ID_NONE) { + /* DP bridge chips */ + tmp = radeon_read_dpcd_reg(radeon_connector, DP_EDP_CONFIGURATION_CAP); + if (tmp & 1) + panel_mode = DP_PANEL_MODE_INTERNAL_DP2_MODE; + else if ((dp_bridge == ENCODER_OBJECT_ID_NUTMEG) || + (dp_bridge == ENCODER_OBJECT_ID_TRAVIS)) panel_mode = DP_PANEL_MODE_INTERNAL_DP1_MODE; else - panel_mode = DP_PANEL_MODE_INTERNAL_DP2_MODE; + panel_mode = DP_PANEL_MODE_EXTERNAL_DP_MODE; } else if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { - u8 tmp = radeon_read_dpcd_reg(radeon_connector, DP_EDP_CONFIGURATION_CAP); + /* eDP */ + tmp = radeon_read_dpcd_reg(radeon_connector, DP_EDP_CONFIGURATION_CAP); if (tmp & 1) panel_mode = DP_PANEL_MODE_INTERNAL_DP2_MODE; } |