diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_connectors.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_connectors.c | 56 |
1 files changed, 53 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 22b7e3dc0ec..2ef6d513506 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -40,6 +40,10 @@ radeon_atombios_connected_scratch_regs(struct drm_connector *connector, struct drm_encoder *encoder, bool connected); +extern void +radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder, + struct drm_connector *drm_connector); + void radeon_connector_hotplug(struct drm_connector *connector) { struct drm_device *dev = connector->dev; @@ -629,6 +633,8 @@ static int radeon_vga_mode_valid(struct drm_connector *connector, static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector, bool force) { + struct drm_device *dev = connector->dev; + struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct drm_encoder *encoder; struct drm_encoder_helper_funcs *encoder_funcs; @@ -679,6 +685,17 @@ radeon_vga_detect(struct drm_connector *connector, bool force) if (ret == connector_status_connected) ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); + + /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the + * vbios to deal with KVMs. If we have one and are not able to detect a monitor + * by other means, assume the CRT is connected and use that EDID. + */ + if ((!rdev->is_atom_bios) && + (ret == connector_status_disconnected) && + rdev->mode_info.bios_hardcoded_edid_size) { + ret = connector_status_connected; + } + radeon_connector_update_scratch_regs(connector, ret); return ret; } @@ -790,6 +807,8 @@ static int radeon_dvi_get_modes(struct drm_connector *connector) static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector, bool force) { + struct drm_device *dev = connector->dev; + struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct drm_encoder *encoder = NULL; struct drm_encoder_helper_funcs *encoder_funcs; @@ -829,8 +848,6 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) * you don't really know what's connected to which port as both are digital. */ if (radeon_connector->shared_ddc && (ret == connector_status_connected)) { - struct drm_device *dev = connector->dev; - struct radeon_device *rdev = dev->dev_private; struct drm_connector *list_connector; struct radeon_connector *list_radeon_connector; list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { @@ -895,6 +912,19 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); } + /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the + * vbios to deal with KVMs. If we have one and are not able to detect a monitor + * by other means, assume the DFP is connected and use that EDID. In most + * cases the DVI port is actually a virtual KVM port connected to the service + * processor. + */ + if ((!rdev->is_atom_bios) && + (ret == connector_status_disconnected) && + rdev->mode_info.bios_hardcoded_edid_size) { + radeon_connector->use_digital = true; + ret = connector_status_connected; + } + out: /* updated in get modes as well since we need to know if it's analog or digital */ radeon_connector_update_scratch_regs(connector, ret); @@ -972,7 +1002,16 @@ static int radeon_dvi_mode_valid(struct drm_connector *connector, (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) return MODE_OK; - else + else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) { + if (ASIC_IS_DCE3(rdev)) { + /* HDMI 1.3+ supports max clock of 340 Mhz */ + if (mode->clock > 340000) + return MODE_CLOCK_HIGH; + else + return MODE_OK; + } else + return MODE_CLOCK_HIGH; + } else return MODE_CLOCK_HIGH; } return MODE_OK; @@ -1517,6 +1556,17 @@ radeon_add_legacy_connector(struct drm_device *dev, connector->polled = DRM_CONNECTOR_POLL_HPD; connector->display_info.subpixel_order = subpixel_order; drm_sysfs_connector_add(connector); + if (connector_type == DRM_MODE_CONNECTOR_LVDS) { + struct drm_encoder *drm_encoder; + + list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) { + struct radeon_encoder *radeon_encoder; + + radeon_encoder = to_radeon_encoder(drm_encoder); + if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS) + radeon_legacy_backlight_init(radeon_encoder, connector); + } + } return; failed: |