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drm/radeon/kms: handle DP bridges

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Fusion hardware often has DP to VGA/LVDS/TMDS bridges to
handle non-DP encoders.  Internally we treat them mostly
like DP.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2011-05-20 04:34:22 -04:00 committed by Dave Airlie
parent 834b2904bb
commit eac4dff6d3
3 changed files with 264 additions and 182 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/radeon/atombios_crtc.c
View File

@ -557,7 +557,8 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
if (connector)
bpc = connector->display_info.bpc;
encoder_mode = atombios_get_encoder_mode(encoder);
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) {
if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||
radeon_encoder_is_dp_bridge(encoder)) {
if (connector) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct radeon_connector_atom_dig *dig_connector =
@ -637,7 +638,8 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
if (ss_enabled && ss->percentage)
args.v3.sInput.ucDispPllConfig |=
DISPPLL_CONFIG_SS_ENABLE;
if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT) ||
radeon_encoder_is_dp_bridge(encoder)) {
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
if (encoder_mode == ATOM_ENCODER_MODE_DP) {
args.v3.sInput.ucDispPllConfig |=

435
drivers/gpu/drm/radeon/radeon_connectors.c
View File

@ -1230,8 +1230,11 @@ radeon_add_atom_connector(struct drm_device *dev,
struct drm_connector *connector;
struct radeon_connector *radeon_connector;
struct radeon_connector_atom_dig *radeon_dig_connector;
struct drm_encoder *encoder;
struct radeon_encoder *radeon_encoder;
uint32_t subpixel_order = SubPixelNone;
bool shared_ddc = false;
bool is_dp_bridge = false;
if (connector_type == DRM_MODE_CONNECTOR_Unknown)
return;
@ -1263,6 +1266,21 @@ radeon_add_atom_connector(struct drm_device *dev,
}
}
/* check if it's a dp bridge */
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
radeon_encoder = to_radeon_encoder(encoder);
if (radeon_encoder->devices & supported_device) {
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_TRAVIS:
case ENCODER_OBJECT_ID_NUTMEG:
is_dp_bridge = true;
break;
default:
break;
}
}
}
radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
if (!radeon_connector)
return;
@ -1280,61 +1298,39 @@ radeon_add_atom_connector(struct drm_device *dev,
if (!radeon_connector->router_bus)
DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
}
switch (connector_type) {
case DRM_MODE_CONNECTOR_VGA:
drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
if (i2c_bus->valid) {
radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
if (!radeon_connector->ddc_bus)
DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
}
radeon_connector->dac_load_detect = true;
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.load_detect_property,
1);
/* no HPD on analog connectors */
radeon_connector->hpd.hpd = RADEON_HPD_NONE;
connector->polled = DRM_CONNECTOR_POLL_CONNECT;
connector->interlace_allowed = true;
connector->doublescan_allowed = true;
break;
case DRM_MODE_CONNECTOR_DVIA:
drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
if (i2c_bus->valid) {
radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
if (!radeon_connector->ddc_bus)
DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
}
radeon_connector->dac_load_detect = true;
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.load_detect_property,
1);
/* no HPD on analog connectors */
radeon_connector->hpd.hpd = RADEON_HPD_NONE;
connector->interlace_allowed = true;
connector->doublescan_allowed = true;
break;
case DRM_MODE_CONNECTOR_DVII:
case DRM_MODE_CONNECTOR_DVID:
if (is_dp_bridge) {
radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
if (!radeon_dig_connector)
goto failed;
radeon_dig_connector->igp_lane_info = igp_lane_info;
radeon_connector->con_priv = radeon_dig_connector;
drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
if (i2c_bus->valid) {
/* add DP i2c bus */
if (connector_type == DRM_MODE_CONNECTOR_eDP)
radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
else
radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
if (!radeon_dig_connector->dp_i2c_bus)
DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
if (!radeon_connector->ddc_bus)
DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
}
subpixel_order = SubPixelHorizontalRGB;
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.coherent_mode_property,
1);
if (ASIC_IS_AVIVO(rdev)) {
switch (connector_type) {
case DRM_MODE_CONNECTOR_VGA:
case DRM_MODE_CONNECTOR_DVIA:
default:
connector->interlace_allowed = true;
connector->doublescan_allowed = true;
break;
case DRM_MODE_CONNECTOR_DVII:
case DRM_MODE_CONNECTOR_DVID:
case DRM_MODE_CONNECTOR_HDMIA:
case DRM_MODE_CONNECTOR_HDMIB:
case DRM_MODE_CONNECTOR_DisplayPort:
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_property,
UNDERSCAN_OFF);
@ -1344,151 +1340,234 @@ radeon_add_atom_connector(struct drm_device *dev,
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_vborder_property,
0);
subpixel_order = SubPixelHorizontalRGB;
connector->interlace_allowed = true;
if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
connector->doublescan_allowed = true;
else
connector->doublescan_allowed = false;
break;
case DRM_MODE_CONNECTOR_LVDS:
case DRM_MODE_CONNECTOR_eDP:
drm_connector_attach_property(&radeon_connector->base,
dev->mode_config.scaling_mode_property,
DRM_MODE_SCALE_FULLSCREEN);
subpixel_order = SubPixelHorizontalRGB;
connector->interlace_allowed = false;
connector->doublescan_allowed = false;
break;
}
if (connector_type == DRM_MODE_CONNECTOR_DVII) {
} else {
switch (connector_type) {
case DRM_MODE_CONNECTOR_VGA:
drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
if (i2c_bus->valid) {
radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
if (!radeon_connector->ddc_bus)
DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
}
radeon_connector->dac_load_detect = true;
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.load_detect_property,
1);
}
connector->interlace_allowed = true;
if (connector_type == DRM_MODE_CONNECTOR_DVII)
/* no HPD on analog connectors */
radeon_connector->hpd.hpd = RADEON_HPD_NONE;
connector->polled = DRM_CONNECTOR_POLL_CONNECT;
connector->interlace_allowed = true;
connector->doublescan_allowed = true;
else
connector->doublescan_allowed = false;
break;
case DRM_MODE_CONNECTOR_HDMIA:
case DRM_MODE_CONNECTOR_HDMIB:
radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
if (!radeon_dig_connector)
goto failed;
radeon_dig_connector->igp_lane_info = igp_lane_info;
radeon_connector->con_priv = radeon_dig_connector;
drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
if (i2c_bus->valid) {
radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
if (!radeon_connector->ddc_bus)
DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
}
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.coherent_mode_property,
1);
if (ASIC_IS_AVIVO(rdev)) {
break;
case DRM_MODE_CONNECTOR_DVIA:
drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
if (i2c_bus->valid) {
radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
if (!radeon_connector->ddc_bus)
DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
}
radeon_connector->dac_load_detect = true;
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_property,
UNDERSCAN_OFF);
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_hborder_property,
0);
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_vborder_property,
0);
}
subpixel_order = SubPixelHorizontalRGB;
connector->interlace_allowed = true;
if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
rdev->mode_info.load_detect_property,
1);
/* no HPD on analog connectors */
radeon_connector->hpd.hpd = RADEON_HPD_NONE;
connector->interlace_allowed = true;
connector->doublescan_allowed = true;
else
break;
case DRM_MODE_CONNECTOR_DVII:
case DRM_MODE_CONNECTOR_DVID:
radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
if (!radeon_dig_connector)
goto failed;
radeon_dig_connector->igp_lane_info = igp_lane_info;
radeon_connector->con_priv = radeon_dig_connector;
drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
if (i2c_bus->valid) {
radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
if (!radeon_connector->ddc_bus)
DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
}
subpixel_order = SubPixelHorizontalRGB;
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.coherent_mode_property,
1);
if (ASIC_IS_AVIVO(rdev)) {
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_property,
UNDERSCAN_OFF);
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_hborder_property,
0);
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_vborder_property,
0);
}
if (connector_type == DRM_MODE_CONNECTOR_DVII) {
radeon_connector->dac_load_detect = true;
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.load_detect_property,
1);
}
connector->interlace_allowed = true;
if (connector_type == DRM_MODE_CONNECTOR_DVII)
connector->doublescan_allowed = true;
else
connector->doublescan_allowed = false;
break;
case DRM_MODE_CONNECTOR_HDMIA:
case DRM_MODE_CONNECTOR_HDMIB:
radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
if (!radeon_dig_connector)
goto failed;
radeon_dig_connector->igp_lane_info = igp_lane_info;
radeon_connector->con_priv = radeon_dig_connector;
drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
if (i2c_bus->valid) {
radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
if (!radeon_connector->ddc_bus)
DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
}
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.coherent_mode_property,
1);
if (ASIC_IS_AVIVO(rdev)) {
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_property,
UNDERSCAN_OFF);
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_hborder_property,
0);
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_vborder_property,
0);
}
subpixel_order = SubPixelHorizontalRGB;
connector->interlace_allowed = true;
if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
connector->doublescan_allowed = true;
else
connector->doublescan_allowed = false;
break;
case DRM_MODE_CONNECTOR_DisplayPort:
radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
if (!radeon_dig_connector)
goto failed;
radeon_dig_connector->igp_lane_info = igp_lane_info;
radeon_connector->con_priv = radeon_dig_connector;
drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
if (i2c_bus->valid) {
/* add DP i2c bus */
radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
if (!radeon_dig_connector->dp_i2c_bus)
DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
if (!radeon_connector->ddc_bus)
DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
}
subpixel_order = SubPixelHorizontalRGB;
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.coherent_mode_property,
1);
if (ASIC_IS_AVIVO(rdev)) {
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_property,
UNDERSCAN_OFF);
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_hborder_property,
0);
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_vborder_property,
0);
}
connector->interlace_allowed = true;
/* in theory with a DP to VGA converter... */
connector->doublescan_allowed = false;
break;
case DRM_MODE_CONNECTOR_DisplayPort:
radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
if (!radeon_dig_connector)
goto failed;
radeon_dig_connector->igp_lane_info = igp_lane_info;
radeon_connector->con_priv = radeon_dig_connector;
drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
if (i2c_bus->valid) {
/* add DP i2c bus */
radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
if (!radeon_dig_connector->dp_i2c_bus)
DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
if (!radeon_connector->ddc_bus)
DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
}
subpixel_order = SubPixelHorizontalRGB;
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.coherent_mode_property,
1);
if (ASIC_IS_AVIVO(rdev)) {
break;
case DRM_MODE_CONNECTOR_eDP:
radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
if (!radeon_dig_connector)
goto failed;
radeon_dig_connector->igp_lane_info = igp_lane_info;
radeon_connector->con_priv = radeon_dig_connector;
drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
if (i2c_bus->valid) {
/* add DP i2c bus */
radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
if (!radeon_dig_connector->dp_i2c_bus)
DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
if (!radeon_connector->ddc_bus)
DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
}
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_property,
UNDERSCAN_OFF);
dev->mode_config.scaling_mode_property,
DRM_MODE_SCALE_FULLSCREEN);
subpixel_order = SubPixelHorizontalRGB;
connector->interlace_allowed = false;
connector->doublescan_allowed = false;
break;
case DRM_MODE_CONNECTOR_SVIDEO:
case DRM_MODE_CONNECTOR_Composite:
case DRM_MODE_CONNECTOR_9PinDIN:
drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
radeon_connector->dac_load_detect = true;
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_hborder_property,
0);
rdev->mode_info.load_detect_property,
1);
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_vborder_property,
0);
rdev->mode_info.tv_std_property,
radeon_atombios_get_tv_info(rdev));
/* no HPD on analog connectors */
radeon_connector->hpd.hpd = RADEON_HPD_NONE;
connector->interlace_allowed = false;
connector->doublescan_allowed = false;
break;
case DRM_MODE_CONNECTOR_LVDS:
radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
if (!radeon_dig_connector)
goto failed;
radeon_dig_connector->igp_lane_info = igp_lane_info;
radeon_connector->con_priv = radeon_dig_connector;
drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
if (i2c_bus->valid) {
radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
if (!radeon_connector->ddc_bus)
DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
}
drm_connector_attach_property(&radeon_connector->base,
dev->mode_config.scaling_mode_property,
DRM_MODE_SCALE_FULLSCREEN);
subpixel_order = SubPixelHorizontalRGB;
connector->interlace_allowed = false;
connector->doublescan_allowed = false;
break;
}
connector->interlace_allowed = true;
/* in theory with a DP to VGA converter... */
connector->doublescan_allowed = false;
break;
case DRM_MODE_CONNECTOR_eDP:
radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
if (!radeon_dig_connector)
goto failed;
radeon_dig_connector->igp_lane_info = igp_lane_info;
radeon_connector->con_priv = radeon_dig_connector;
drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
if (i2c_bus->valid) {
/* add DP i2c bus */
radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
if (!radeon_dig_connector->dp_i2c_bus)
DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
if (!radeon_connector->ddc_bus)
DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
}
drm_connector_attach_property(&radeon_connector->base,
dev->mode_config.scaling_mode_property,
DRM_MODE_SCALE_FULLSCREEN);
subpixel_order = SubPixelHorizontalRGB;
connector->interlace_allowed = false;
connector->doublescan_allowed = false;
break;
case DRM_MODE_CONNECTOR_SVIDEO:
case DRM_MODE_CONNECTOR_Composite:
case DRM_MODE_CONNECTOR_9PinDIN:
drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
radeon_connector->dac_load_detect = true;
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.load_detect_property,
1);
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.tv_std_property,
radeon_atombios_get_tv_info(rdev));
/* no HPD on analog connectors */
radeon_connector->hpd.hpd = RADEON_HPD_NONE;
connector->interlace_allowed = false;
connector->doublescan_allowed = false;
break;
case DRM_MODE_CONNECTOR_LVDS:
radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
if (!radeon_dig_connector)
goto failed;
radeon_dig_connector->igp_lane_info = igp_lane_info;
radeon_connector->con_priv = radeon_dig_connector;
drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
if (i2c_bus->valid) {
radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
if (!radeon_connector->ddc_bus)
DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
}
drm_connector_attach_property(&radeon_connector->base,
dev->mode_config.scaling_mode_property,
DRM_MODE_SCALE_FULLSCREEN);
subpixel_order = SubPixelHorizontalRGB;
connector->interlace_allowed = false;
connector->doublescan_allowed = false;
break;
}
if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {

5
drivers/gpu/drm/radeon/radeon_encoders.c
View File

@ -1949,8 +1949,9 @@ static void radeon_atom_encoder_prepare(struct drm_encoder *encoder)
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
if (radeon_encoder->active_device &
(ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) {
if ((radeon_encoder->active_device &
(ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
radeon_encoder_is_dp_bridge(encoder)) {
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
if (dig)
dig->dig_encoder = radeon_atom_pick_dig_encoder(encoder);