diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 7b27a114b030..56323732c748 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5609,10 +5609,6 @@ static void intel_connector_check_state(struct intel_connector *connector) connector->base.base.id, connector->base.name); - /* there is no real hw state for MST connectors */ - if (connector->mst_port) - return; - I915_STATE_WARN(connector->base.dpms == DRM_MODE_DPMS_OFF, "wrong connector dpms state\n"); I915_STATE_WARN(connector->base.encoder != &encoder->base, @@ -10391,11 +10387,21 @@ connected_sink_compute_bpp(struct intel_connector *connector, pipe_config->pipe_bpp = connector->base.display_info.bpc*3; } - /* Clamp bpp to 8 on screens without EDID 1.4 */ - if (connector->base.display_info.bpc == 0 && bpp > 24) { - DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of 24\n", - bpp); - pipe_config->pipe_bpp = 24; + /* Clamp bpp to default limit on screens without EDID 1.4 */ + if (connector->base.display_info.bpc == 0) { + int type = connector->base.connector_type; + int clamp_bpp = 24; + + /* Fall back to 18 bpp when DP sink capability is unknown. */ + if (type == DRM_MODE_CONNECTOR_DisplayPort || + type == DRM_MODE_CONNECTOR_eDP) + clamp_bpp = 18; + + if (bpp > clamp_bpp) { + DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of %d\n", + bpp, clamp_bpp); + pipe_config->pipe_bpp = clamp_bpp; + } } } @@ -11215,13 +11221,6 @@ check_encoder_state(struct drm_device *dev) if (connector->base.dpms != DRM_MODE_DPMS_OFF) active = true; } - /* - * for MST connectors if we unplug the connector is gone - * away but the encoder is still connected to a crtc - * until a modeset happens in response to the hotplug. - */ - if (!enabled && encoder->base.encoder_type == DRM_MODE_ENCODER_DPMST) - continue; I915_STATE_WARN(!!encoder->base.crtc != enabled, "encoder's enabled state mismatch " |