diff options
Diffstat (limited to 'src/gamma-linux-drm.c')
| -rw-r--r-- | src/gamma-linux-drm.c | 65 |
1 files changed, 40 insertions, 25 deletions
diff --git a/src/gamma-linux-drm.c b/src/gamma-linux-drm.c index 4ac0022..e0e9b74 100644 --- a/src/gamma-linux-drm.c +++ b/src/gamma-linux-drm.c @@ -491,10 +491,39 @@ static int read_connector_data(libgamma_crtc_state_t* restrict crtc, libgamma_cr if ((fields & (CRTC_INFO_WIDTH_MM | CRTC_INFO_HEIGHT_MM | CRTC_INFO_CONNECTOR_TYPE | CRTC_INFO_ACTIVE | CRTC_INFO_SUBPIXEL_ORDER))) { + /* Get whether or not a monitor is plugged in. */ + out->active = connector->connection == DRM_MODE_CONNECTED; + out->active_error = connector->connection == DRM_MODE_UNKNOWNCONNECTION ? LIBGAMMA_STATE_UNKNOWN : 0; + if (out->active == 0) + { + if ((fields & (CRTC_INFO_WIDTH_MM | CRTC_INFO_HEIGHT_MM | CRTC_INFO_SUBPIXEL_ORDER))) + out->width_mm_error = out->height_mm_error = out->subpixel_order_error = LIBGAMMA_NOT_CONNECTED; + goto not_connected; + } + /* Get viewport dimension. */ out->width_mm = connector->mmWidth; out->height_mm = connector->mmHeight; + /* Get subpixel order. */ +#define __select(value) \ + case DRM_MODE_SUBPIXEL_##value: out->subpixel_order = LIBGAMMA_SUBPIXEL_ORDER_##value; break + switch (connector->subpixel) + { + __select (UNKNOWN); + __select (HORIZONTAL_RGB); + __select (HORIZONTAL_BGR); + __select (VERTICAL_RGB); + __select (VERTICAL_BGR); + __select (NONE); + default: + out->subpixel_order_error = LIBGAMMA_SUBPIXEL_ORDER_NOT_RECOGNISED; + break; + } +#undef __select + + not_connected: + /* Get connector type. */ #define __select(type, name) \ case DRM_MODE_CONNECTOR_##type: out->connector_type = LIBGAMMA_CONNECTOR_TYPE_##type, connector_name_base = name; break @@ -529,27 +558,6 @@ static int read_connector_data(libgamma_crtc_state_t* restrict crtc, libgamma_cr break; } #undef __select - - /* Get subpixel order. */ -#define __select(value) \ - case DRM_MODE_SUBPIXEL_##value: out->subpixel_order = LIBGAMMA_SUBPIXEL_ORDER_##value; break - switch (connector->subpixel) - { - __select (UNKNOWN); - __select (HORIZONTAL_RGB); - __select (HORIZONTAL_BGR); - __select (VERTICAL_RGB); - __select (VERTICAL_BGR); - __select (NONE); - default: - out->subpixel_order_error = LIBGAMMA_SUBPIXEL_ORDER_NOT_RECOGNISED; - break; - } -#undef __select - - /* Get whether or not a monitor is plugged in. */ - out->active = connector->connection == DRM_MODE_CONNECTED; - out->active_error = connector->connection == DRM_MODE_UNKNOWNCONNECTION ? LIBGAMMA_STATE_UNKNOWN : 0; } /* Get the connector's name. */ @@ -651,10 +659,11 @@ int libgamma_linux_drm_get_crtc_information(libgamma_crtc_information_t* restric fields |= CRTC_INFO_EDID; if ((fields & CRTC_INFO_CONNECTOR_NAME)) fields |= CRTC_INFO_CONNECTOR_TYPE; + if (CRTC_INFO_EDID | CRTC_INFO_WIDTH_MM | CRTC_INFO_HEIGHT_MM | CRTC_INFO_SUBPIXEL_ORDER) + fields |= CRTC_INFO_ACTIVE; /* Figure out whether we require the connector to get all information we want. */ - require_connector = fields & (CRTC_INFO_EDID | CRTC_INFO_WIDTH_MM | CRTC_INFO_HEIGHT_MM | - CRTC_INFO_SUBPIXEL_ORDER | CRTC_INFO_CONNECTOR_TYPE); + require_connector = fields & (CRTC_INFO_ACTIVE | CRTC_INFO_CONNECTOR_TYPE); if (require_connector == 0) goto cont; @@ -667,10 +676,16 @@ int libgamma_linux_drm_get_crtc_information(libgamma_crtc_information_t* restric = this->width_mm_edid_error = this->height_mm_edid_error = error; goto cont; } - if ((fields & (CRTC_INFO_WIDTH_MM | CRTC_INFO_HEIGHT_MM | CRTC_INFO_SUBPIXEL_ORDER | CRTC_INFO_CONNECTOR_TYPE))) - e |= read_connector_data(crtc, this, connector, fields); + e |= read_connector_data(crtc, this, connector, fields); if ((fields & CRTC_INFO_EDID) == 0) goto cont; + if (this->active_error || (this->active == 0)) + { + e |= this->edid_error = this->gamma_error + = this->width_mm_edid_error = this->height_mm_edid_error + = LIBGAMMA_NOT_CONNECTED; + goto cont; + } e |= get_edid(crtc, this, connector); if (this->edid == NULL) { |