diff options
| author |   Madhav Chauhan <madhav.chauhan@intel.com> | 2018-10-30 13:56:23 +0200 |
|---|---|---|
| committer |   Jani Nikula <jani.nikula@intel.com> | 2018-11-01 12:23:40 +0200 |
| commit | bf4d57ff411017468977203a009ce719aa83a93d (patch) | |
| tree | 3c2c240562126130c5a85594ee07ef18e13cb764 /drivers/gpu/drm/i915/intel_bios.c | |
| parent | drm/i915/icl: Add DSI packet payload/header registers (diff) | |
| download | linux-dev-bf4d57ff411017468977203a009ce719aa83a93d.tar.xz linux-dev-bf4d57ff411017468977203a009ce719aa83a93d.zip | |
drm/i915/icl: Find DSI presence for ICL
This patch detects DSI presence for ICL platform
by reading VBT. DSI detection is done while initializing
DSI using newly added function intel_gen11_dsi_init.
v2 by Jani:
- Preserve old behavour of intel_bios_is_dsi_present()
- s/intel_gen11_dsi_init/icl_dsi_init/g
Signed-off-by: Madhav Chauhan <madhav.chauhan@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/2324cdfc8918bda3165354e5e0d15053b1074f14.1540900289.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 1faa494e2bc9..5fa2133f801d 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -2039,17 +2039,17 @@ bool intel_bios_is_dsi_present(struct drm_i915_private *dev_priv, dvo_port = child->dvo_port; - switch (dvo_port) { - case DVO_PORT_MIPIA: - case DVO_PORT_MIPIC: + if (dvo_port == DVO_PORT_MIPIA || + (dvo_port == DVO_PORT_MIPIB && IS_ICELAKE(dev_priv)) || + (dvo_port == DVO_PORT_MIPIC && !IS_ICELAKE(dev_priv))) { if (port) *port = dvo_port - DVO_PORT_MIPIA; return true; - case DVO_PORT_MIPIB: - case DVO_PORT_MIPID: + } else if (dvo_port == DVO_PORT_MIPIB || + dvo_port == DVO_PORT_MIPIC || + dvo_port == DVO_PORT_MIPID) { DRM_DEBUG_KMS("VBT has unsupported DSI port %c\n", port_name(dvo_port - DVO_PORT_MIPIA)); - break; } } |