From 048a5b76d2ba40adedb98a987bb15a9cc1f0a62b Mon Sep 17 00:00:00 2001 From: Emily Deng Date: Mon, 8 Aug 2016 11:36:31 +0800 Subject: [PATCH] drm/amdgpu: Add DRM_MODE_CONNECTOR_VIRTUAL connector in amdgpu_connector_add. For virtual display feature, add one connector type in amdgpu_connector_add. Signed-off-by: Emily Deng Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- .../gpu/drm/amd/amdgpu/amdgpu_connectors.c | 91 +++++++++++++++++++ 1 file changed, 91 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c index ff0b55a65ca3..319a5e1d9389 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c @@ -1504,6 +1504,86 @@ static const struct drm_connector_funcs amdgpu_connector_edp_funcs = { .force = amdgpu_connector_dvi_force, }; +static struct drm_encoder * +amdgpu_connector_virtual_encoder(struct drm_connector *connector) +{ + int enc_id = connector->encoder_ids[0]; + struct drm_encoder *encoder; + int i; + for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { + if (connector->encoder_ids[i] == 0) + break; + + encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); + if (!encoder) + continue; + + if (encoder->encoder_type == DRM_MODE_ENCODER_VIRTUAL) + return encoder; + } + + /* pick the first one */ + if (enc_id) + return drm_encoder_find(connector->dev, enc_id); + return NULL; +} + +static int amdgpu_connector_virtual_get_modes(struct drm_connector *connector) +{ + struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector); + + if (encoder) { + amdgpu_connector_add_common_modes(encoder, connector); + } + + return 0; +} + +static int amdgpu_connector_virtual_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) +{ + return MODE_OK; +} + +int amdgpu_connector_virtual_dpms(struct drm_connector *connector, int mode) +{ + return 0; +} + +static enum drm_connector_status + +amdgpu_connector_virtual_detect(struct drm_connector *connector, bool force) +{ + return connector_status_connected; +} + +int amdgpu_connector_virtual_set_property(struct drm_connector *connector, + struct drm_property *property, + uint64_t val) +{ + return 0; +} + +static void amdgpu_connector_virtual_force(struct drm_connector *connector) +{ + return; +} + +static const struct drm_connector_helper_funcs amdgpu_connector_virtual_helper_funcs = { + .get_modes = amdgpu_connector_virtual_get_modes, + .mode_valid = amdgpu_connector_virtual_mode_valid, + .best_encoder = amdgpu_connector_virtual_encoder, +}; + +static const struct drm_connector_funcs amdgpu_connector_virtual_funcs = { + .dpms = amdgpu_connector_virtual_dpms, + .detect = amdgpu_connector_virtual_detect, + .fill_modes = drm_helper_probe_single_connector_modes, + .set_property = amdgpu_connector_virtual_set_property, + .destroy = amdgpu_connector_destroy, + .force = amdgpu_connector_virtual_force, +}; + void amdgpu_connector_add(struct amdgpu_device *adev, uint32_t connector_id, @@ -1888,6 +1968,17 @@ amdgpu_connector_add(struct amdgpu_device *adev, connector->interlace_allowed = false; connector->doublescan_allowed = false; break; + case DRM_MODE_CONNECTOR_VIRTUAL: + amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL); + if (!amdgpu_dig_connector) + goto failed; + amdgpu_connector->con_priv = amdgpu_dig_connector; + drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_virtual_funcs, connector_type); + drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_virtual_helper_funcs); + subpixel_order = SubPixelHorizontalRGB; + connector->interlace_allowed = false; + connector->doublescan_allowed = false; + break; } } -- 2.20.1