diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2019-05-31 16:14:52 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2019-06-05 15:02:51 +0300 |
| commit | 7679f9b8f6ee393ad204c6b2e09c7ae44a15a7c7 (patch) | |
| tree | 00db9040e2c349a90e43b3b90984cd97c1136407 /drivers/gpu/drm/i915 | |
| parent | 36a0f92020dc8794d3aa69b7fb4c5d2bf99b0099 (diff) | |
| download | linux-7679f9b8f6ee393ad204c6b2e09c7ae44a15a7c7.tar.bz2 | |
drm/i915/bios: store child device pointer in DDI port info
This allows us to avoid iterating the child devices in some cases.
Also replace the presence bit with child device being non-NULL, and set
the child device pointer last to allow us to take advantage of it in
follow-up work.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ceccb75d637af3134d0328d67cbd6623932f94db.1559308269.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 10 |
2 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index b72ad58dd5a5..89bf1e34feaa 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -834,6 +834,9 @@ struct i915_gem_mm { #define I915_ENGINE_WEDGED_TIMEOUT (60 * HZ) /* Reset but no recovery? */ struct ddi_vbt_port_info { + /* Non-NULL if port present. */ + const struct child_device_config *child; + int max_tmds_clock; /* @@ -844,7 +847,6 @@ struct ddi_vbt_port_info { #define HDMI_LEVEL_SHIFT_UNKNOWN 0xff u8 hdmi_level_shift; - u8 present:1; u8 supports_dvi:1; u8 supports_hdmi:1; u8 supports_dp:1; diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 0a1b9a4a1b71..325b8c8dfa5e 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -1251,7 +1251,7 @@ static void sanitize_ddc_pin(struct drm_i915_private *dev_priv, for (p = PORT_A; p < I915_MAX_PORTS; p++) { struct ddi_vbt_port_info *i = &dev_priv->vbt.ddi_port_info[p]; - if (p == port || !i->present || + if (p == port || !i->child || info->alternate_ddc_pin != i->alternate_ddc_pin) continue; @@ -1287,7 +1287,7 @@ static void sanitize_aux_ch(struct drm_i915_private *dev_priv, for (p = PORT_A; p < I915_MAX_PORTS; p++) { struct ddi_vbt_port_info *i = &dev_priv->vbt.ddi_port_info[p]; - if (p == port || !i->present || + if (p == port || !i->child || info->alternate_aux_channel != i->alternate_aux_channel) continue; @@ -1395,14 +1395,12 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, info = &dev_priv->vbt.ddi_port_info[port]; - if (info->present) { + if (info->child) { DRM_DEBUG_KMS("More than one child device for port %c in VBT, using the first.\n", port_name(port)); return; } - info->present = true; - is_dvi = child->device_type & DEVICE_TYPE_TMDS_DVI_SIGNALING; is_dp = child->device_type & DEVICE_TYPE_DISPLAYPORT_OUTPUT; is_crt = child->device_type & DEVICE_TYPE_ANALOG_OUTPUT; @@ -1530,6 +1528,8 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, DRM_DEBUG_KMS("VBT DP max link rate for port %c: %d\n", port_name(port), info->dp_max_link_rate); } + + info->child = child; } static void parse_ddi_ports(struct drm_i915_private *dev_priv, u8 bdb_version) |