diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2016-03-16 12:43:32 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2016-03-16 18:28:43 +0200 |
| commit | 7137aec1cfd3fd417023ce4edd0f348e5d72115f (patch) | |
| tree | 44a5874e6a5baab97e8c779f571cb5b85456817b /drivers/gpu/drm/i915/intel_bios.c | |
| parent | 951d9efe07877a3f1bb04e8932d11eafbfad02bf (diff) | |
drm/i915: move VBT based DSI presence check to intel_bios.c
Hide knowledge about VBT child devices in intel_bios.c.
v2: Move port check to intel_bios.c (Sivakumar)
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1458125015-7931-4-git-send-email-jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 7f61ca8165f0..4b6bd6f2e193 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -1237,7 +1237,6 @@ parse_device_mapping(struct drm_i915_private *dev_priv, &&p_child->common.device_type & DEVICE_TYPE_MIPI_OUTPUT) { DRM_DEBUG_KMS("Found MIPI as LFP\n"); dev_priv->vbt.has_mipi = 1; - dev_priv->vbt.dsi.port = p_child->common.dvo_port; } child_dev_ptr = dev_priv->vbt.child_dev + count; @@ -1555,3 +1554,41 @@ bool intel_bios_is_port_edp(struct drm_i915_private *dev_priv, enum port port) return false; } + +/** + * intel_bios_is_dsi_present - is DSI present in VBT + * @dev_priv: i915 device instance + * @port: port for DSI if present + * + * Return true if DSI is present, and return the port in %port. + */ +bool intel_bios_is_dsi_present(struct drm_i915_private *dev_priv, + enum port *port) +{ + union child_device_config *p_child; + u8 dvo_port; + int i; + + for (i = 0; i < dev_priv->vbt.child_dev_num; i++) { + p_child = dev_priv->vbt.child_dev + i; + + if (!(p_child->common.device_type & DEVICE_TYPE_MIPI_OUTPUT)) + continue; + + dvo_port = p_child->common.dvo_port; + + switch (dvo_port) { + case DVO_PORT_MIPIA: + case DVO_PORT_MIPIC: + *port = dvo_port - DVO_PORT_MIPIA; + return true; + case DVO_PORT_MIPIB: + case DVO_PORT_MIPID: + DRM_DEBUG_KMS("VBT has unsupported DSI port %c\n", + port_name(dvo_port - DVO_PORT_MIPIA)); + break; + } + } + + return false; +} |