diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_encoders.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_encoders.c | 102 |
1 files changed, 98 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index 4b27efa4405..bd4959ca23a 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -23,12 +23,20 @@ * Authors: Dave Airlie * Alex Deucher */ -#include "drmP.h" -#include "drm_crtc_helper.h" -#include "radeon_drm.h" +#include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> +#include <drm/radeon_drm.h> #include "radeon.h" #include "atom.h" +extern void +radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder, + struct drm_connector *drm_connector); +extern void +radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder, + struct drm_connector *drm_connector); + + static uint32_t radeon_encoder_clones(struct drm_encoder *encoder) { struct drm_device *dev = encoder->dev; @@ -153,6 +161,7 @@ radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8 void radeon_link_encoder_connector(struct drm_device *dev) { + struct radeon_device *rdev = dev->dev_private; struct drm_connector *connector; struct radeon_connector *radeon_connector; struct drm_encoder *encoder; @@ -163,8 +172,16 @@ radeon_link_encoder_connector(struct drm_device *dev) radeon_connector = to_radeon_connector(connector); list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { radeon_encoder = to_radeon_encoder(encoder); - if (radeon_encoder->devices & radeon_connector->devices) + if (radeon_encoder->devices & radeon_connector->devices) { drm_mode_connector_attach_encoder(connector, encoder); + if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { + if (rdev->is_atom_bios) + radeon_atom_backlight_init(radeon_encoder, connector); + else + radeon_legacy_backlight_init(radeon_encoder, connector); + rdev->mode_info.bl_encoder = radeon_encoder; + } + } } } } @@ -202,6 +219,22 @@ radeon_get_connector_for_encoder(struct drm_encoder *encoder) return NULL; } +struct drm_connector * +radeon_get_connector_for_encoder_init(struct drm_encoder *encoder) +{ + struct drm_device *dev = encoder->dev; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct drm_connector *connector; + struct radeon_connector *radeon_connector; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + radeon_connector = to_radeon_connector(connector); + if (radeon_encoder->devices & radeon_connector->devices) + return connector; + } + return NULL; +} + struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder) { struct drm_device *dev = encoder->dev; @@ -288,3 +321,64 @@ void radeon_panel_mode_fixup(struct drm_encoder *encoder, } +bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, + u32 pixel_clock) +{ + struct drm_device *dev = encoder->dev; + struct radeon_device *rdev = dev->dev_private; + struct drm_connector *connector; + struct radeon_connector *radeon_connector; + struct radeon_connector_atom_dig *dig_connector; + + connector = radeon_get_connector_for_encoder(encoder); + /* if we don't have an active device yet, just use one of + * the connectors tied to the encoder. + */ + if (!connector) + connector = radeon_get_connector_for_encoder_init(encoder); + radeon_connector = to_radeon_connector(connector); + + switch (connector->connector_type) { + case DRM_MODE_CONNECTOR_DVII: + case DRM_MODE_CONNECTOR_HDMIB: + if (radeon_connector->use_digital) { + /* HDMI 1.3 supports up to 340 Mhz over single link */ + if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { + if (pixel_clock > 340000) + return true; + else + return false; + } else { + if (pixel_clock > 165000) + return true; + else + return false; + } + } else + return false; + case DRM_MODE_CONNECTOR_DVID: + case DRM_MODE_CONNECTOR_HDMIA: + case DRM_MODE_CONNECTOR_DisplayPort: + dig_connector = radeon_connector->con_priv; + if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || + (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) + return false; + else { + /* HDMI 1.3 supports up to 340 Mhz over single link */ + if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { + if (pixel_clock > 340000) + return true; + else + return false; + } else { + if (pixel_clock > 165000) + return true; + else + return false; + } + } + default: + return false; + } +} + |