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drm/radeon/kms: fixup eDP connector handling 

It's more like LVDS then DP in some ways.

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 04:34:31 -04:00 committed by Dave Airlie
parent 7c3ed0fd9b
commit d291767b60
1 changed files with 72 additions and 8 deletions
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80
drivers/gpu/drm/radeon/radeon_connectors.c
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@ -1055,16 +1055,44 @@ static int radeon_dp_get_modes(struct drm_connector *connector)
int ret;
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
struct drm_encoder *encoder;
struct drm_display_mode *mode;
if (!radeon_dig_connector->edp_on)
atombios_set_edp_panel_power(connector,
ATOM_TRANSMITTER_ACTION_POWER_ON);
}
ret = radeon_ddc_get_modes(radeon_connector);
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
ret = radeon_ddc_get_modes(radeon_connector);
if (!radeon_dig_connector->edp_on)
atombios_set_edp_panel_power(connector,
ATOM_TRANSMITTER_ACTION_POWER_OFF);
}
if (ret > 0) {
encoder = radeon_best_single_encoder(connector);
if (encoder) {
radeon_fixup_lvds_native_mode(encoder, connector);
/* add scaled modes */
radeon_add_common_modes(encoder, connector);
}
return ret;
}
encoder = radeon_best_single_encoder(connector);
if (!encoder)
return 0;
/* we have no EDID modes */
mode = radeon_fp_native_mode(encoder);
if (mode) {
ret = 1;
drm_mode_probed_add(connector, mode);
/* add the width/height from vbios tables if available */
connector->display_info.width_mm = mode->width_mm;
connector->display_info.height_mm = mode->height_mm;
/* add scaled modes */
radeon_add_common_modes(encoder, connector);
}
} else
ret = radeon_ddc_get_modes(radeon_connector);
return ret;
}
@ -1155,6 +1183,15 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
}
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
struct drm_encoder *encoder = radeon_best_single_encoder(connector);
if (encoder) {
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
/* check if panel is valid */
if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
ret = connector_status_connected;
}
/* eDP is always DP */
radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
if (!radeon_dig_connector->edp_on)
@ -1194,11 +1231,38 @@ static int radeon_dp_mode_valid(struct drm_connector *connector,
/* XXX check mode bandwidth */
if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
(radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
return radeon_dp_mode_valid_helper(connector, mode);
else
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
struct drm_encoder *encoder = radeon_best_single_encoder(connector);
if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
return MODE_PANEL;
if (encoder) {
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
/* AVIVO hardware supports downscaling modes larger than the panel
* to the panel size, but I'm not sure this is desirable.
*/
if ((mode->hdisplay > native_mode->hdisplay) ||
(mode->vdisplay > native_mode->vdisplay))
return MODE_PANEL;
/* if scaling is disabled, block non-native modes */
if (radeon_encoder->rmx_type == RMX_OFF) {
if ((mode->hdisplay != native_mode->hdisplay) ||
(mode->vdisplay != native_mode->vdisplay))
return MODE_PANEL;
}
}
return MODE_OK;
} else {
if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
(radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
return radeon_dp_mode_valid_helper(connector, mode);
else
return MODE_OK;
}
}
struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {