aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/i915/intel_hdmi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c50
1 files changed, 0 insertions, 50 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 06431941b233..0e268deed761 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -225,52 +225,6 @@ static const struct drm_encoder_funcs intel_hdmi_enc_funcs = {
225 .destroy = intel_hdmi_enc_destroy, 225 .destroy = intel_hdmi_enc_destroy,
226}; 226};
227 227
228/*
229 * Enumerate the child dev array parsed from VBT to check whether
230 * the given HDMI is present.
231 * If it is present, return 1.
232 * If it is not present, return false.
233 * If no child dev is parsed from VBT, it assumes that the given
234 * HDMI is present.
235 */
236static int hdmi_is_present_in_vbt(struct drm_device *dev, int hdmi_reg)
237{
238 struct drm_i915_private *dev_priv = dev->dev_private;
239 struct child_device_config *p_child;
240 int i, hdmi_port, ret;
241
242 if (!dev_priv->child_dev_num)
243 return 1;
244
245 if (hdmi_reg == SDVOB)
246 hdmi_port = DVO_B;
247 else if (hdmi_reg == SDVOC)
248 hdmi_port = DVO_C;
249 else if (hdmi_reg == HDMIB)
250 hdmi_port = DVO_B;
251 else if (hdmi_reg == HDMIC)
252 hdmi_port = DVO_C;
253 else if (hdmi_reg == HDMID)
254 hdmi_port = DVO_D;
255 else
256 return 0;
257
258 ret = 0;
259 for (i = 0; i < dev_priv->child_dev_num; i++) {
260 p_child = dev_priv->child_dev + i;
261 /*
262 * If the device type is not HDMI, continue.
263 */
264 if (p_child->device_type != DEVICE_TYPE_HDMI)
265 continue;
266 /* Find the HDMI port */
267 if (p_child->dvo_port == hdmi_port) {
268 ret = 1;
269 break;
270 }
271 }
272 return ret;
273}
274void intel_hdmi_init(struct drm_device *dev, int sdvox_reg) 228void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
275{ 229{
276 struct drm_i915_private *dev_priv = dev->dev_private; 230 struct drm_i915_private *dev_priv = dev->dev_private;
@@ -278,10 +232,6 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
278 struct intel_output *intel_output; 232 struct intel_output *intel_output;
279 struct intel_hdmi_priv *hdmi_priv; 233 struct intel_hdmi_priv *hdmi_priv;
280 234
281 if (!hdmi_is_present_in_vbt(dev, sdvox_reg)) {
282 DRM_DEBUG_KMS("HDMI is not present. Ignored it \n");
283 return;
284 }
285 intel_output = kcalloc(sizeof(struct intel_output) + 235 intel_output = kcalloc(sizeof(struct intel_output) +
286 sizeof(struct intel_hdmi_priv), 1, GFP_KERNEL); 236 sizeof(struct intel_hdmi_priv), 1, GFP_KERNEL);
287 if (!intel_output) 237 if (!intel_output)