Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-24 03:42:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

drm/i915: Allow DSI dual link to be configured on any pipe

Browse Source 
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 7e9804fdcf
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>
This commit is contained in:
Gaurav K Singh 2015-08-03 15:45:32 +05:30 committed by Jani Nikula
parent 58590c14d8
commit 824257857f
1 changed files with 4 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/gpu/drm/i915/intel_dsi.c
View File

@ -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;