diff options
| author | Gaurav K Singh <gaurav.k.singh@intel.com> | 2015-08-03 15:45:32 +0530 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2015-09-10 16:23:42 +0300 |
| commit | 824257857fd81f5e749831ff9cd63566b5a86abe (patch) | |
| tree | 08a4ccdb71e79db6130255997497b26f7e2f2595 | |
| parent | 58590c14d80defc94e900308a9d8fa55284de6f2 (diff) | |
drm/i915: Allow DSI dual link to be configured on any pipedrm-intel-next-fixes-2015-09-10
Just like single link MIPI panels, similarly for dual link panels, pipe
to be configured is based on the DVO port from VBT Block 2. In hardware,
Port A is mapped with Pipe A and Port C is mapped with Pipe B.
This issue got introduced in -
commit 7e9804fdcffc650515c60f524b8b2076ee59e710
Author: Jani Nikula <jani.nikula@intel.com>
Date: Fri Jan 16 14:27:23 2015 +0200
drm/i915/dsi: add drm mipi dsi host support
Cc: stable@vger.kernel.org # v4.0
Signed-off-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dsi.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 4a601cf90f16..32a6c7184ca4 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -1048,11 +1048,7 @@ void intel_dsi_init(struct drm_device *dev) intel_connector->unregister = intel_connector_unregister; /* Pipe A maps to MIPI DSI port A, pipe B maps to MIPI DSI port C */ - if (dev_priv->vbt.dsi.config->dual_link) { - /* XXX: does dual link work on either pipe? */ - intel_encoder->crtc_mask = (1 << PIPE_A); - intel_dsi->ports = ((1 << PORT_A) | (1 << PORT_C)); - } else if (dev_priv->vbt.dsi.port == DVO_PORT_MIPIA) { + if (dev_priv->vbt.dsi.port == DVO_PORT_MIPIA) { intel_encoder->crtc_mask = (1 << PIPE_A); intel_dsi->ports = (1 << PORT_A); } else if (dev_priv->vbt.dsi.port == DVO_PORT_MIPIC) { @@ -1060,6 +1056,9 @@ void intel_dsi_init(struct drm_device *dev) intel_dsi->ports = (1 << PORT_C); } + if (dev_priv->vbt.dsi.config->dual_link) + intel_dsi->ports = ((1 << PORT_A) | (1 << PORT_C)); + /* Create a DSI host (and a device) for each port. */ for_each_dsi_port(port, intel_dsi->ports) { struct intel_dsi_host *host; |