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drm/i915: Parse the MIPI related VBT Block and store relevant info

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Initial parsing of the VBT MIPI block. For now, just store the panel id
if found.

Note: Again there seems to be no documentation for this piece of lore.
The doc situation for byt+ is just a bad joke :(

Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Shobhit Kumar
2013-08-27 15:12:25 +03:00
committed by Daniel Vetter
parent 4ce8c9a720
commit d17c5443cf
3 changed files with 62 additions and 0 deletions
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16
drivers/gpu/drm/i915/intel_bios.c
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@ -568,6 +568,21 @@ parse_edp(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
}
}
static void
parse_mipi(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
{
struct bdb_mipi *mipi;
mipi = find_section(bdb, BDB_MIPI);
if (!mipi) {
DRM_DEBUG_KMS("No MIPI BDB found");
return;
}
/* XXX: add more info */
dev_priv->vbt.dsi.panel_id = mipi->panel_id;
}
static void
parse_device_mapping(struct drm_i915_private *dev_priv,
struct bdb_header *bdb)
@ -745,6 +760,7 @@ intel_parse_bios(struct drm_device *dev)
parse_device_mapping(dev_priv, bdb);
parse_driver_features(dev_priv, bdb);
parse_edp(dev_priv, bdb);
parse_mipi(dev_priv, bdb);
if (bios)
pci_unmap_rom(pdev, bios);