This patch adds new fields that are not yet added in drm code
in child devices struct
Signed-off-by: Sivakumar Thulasimani <sivakumar.thulasim...@intel.com>
Signed-off-by: Durgadoss R <durgados...@intel.com>
Signed-off-by: Shubhangi Shrivastava <shubhangi.shrivast...@intel.com>
---
drivers/gpu/drm/i915/intel_bios.c | 15 ++++++++++++++-
drivers/gpu/drm/i915/intel_bios.h | 16 +++++++++++-----
2 files changed, 25 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_bios.c
b/drivers/gpu/drm/i915/intel_bios.c
index bf62a19..a26d4b4 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -1124,7 +1124,7 @@ static void parse_ddi_port(struct drm_i915_private
*dev_priv, enum port port,
}
/* Parse the I_boost config for SKL and above */
- if (bdb->version >= 196 && (child->common.flags_1 & IBOOST_ENABLE)) {
+ if (bdb->version >= 196 && child->common.iboost) {
info->dp_boost_level =
translate_iboost(child->common.iboost_level & 0xF);
DRM_DEBUG_KMS("VBT (e)DP boost level for port %c: %d\n",
port_name(port), info->dp_boost_level);
@@ -1250,6 +1250,19 @@ parse_device_mapping(struct drm_i915_private *dev_priv,
*/
memcpy(child_dev_ptr, p_child,
min_t(size_t, p_defs->child_dev_size, sizeof(*p_child)));
+
+ /*
+ * copied full block, now init values when they are not
+ * available in current version
+ */
+ if (bdb->version < 196) {
+ /* Set default values for bits added from v196 */
+ child_dev_ptr->common.iboost = 0;
+ child_dev_ptr->common.hpd_invert = 0;
+ }
+
+ if (bdb->version < 192)
+ child_dev_ptr->common.lspcon = 0;
}
return;
}
diff --git a/drivers/gpu/drm/i915/intel_bios.h
b/drivers/gpu/drm/i915/intel_bios.h
index 350d4e0..2898323 100644
--- a/drivers/gpu/drm/i915/intel_bios.h
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -250,9 +250,6 @@ struct old_child_dev_config {
* versions. Notice that the meaning of the contents contents may still change,
* but at least the offsets are consistent. */
-/* Definitions for flags_1 */
-#define IBOOST_ENABLE (1<<3)
-
struct common_child_dev_config {
u16 handle;
u16 device_type;
@@ -261,8 +258,17 @@ struct common_child_dev_config {
u8 not_common2[2];
u8 ddc_pin;
u16 edid_ptr;
- u8 obsolete;
- u8 flags_1;
+ u8 dvo_cfg; /* See DEVICE_CFG_* above */
+ u8 efp_routed:1;
+ u8 lane_reversal:1;
+ u8 lspcon:1;
+ u8 iboost:1;
+ u8 hpd_invert:1;
+ u8 flag_reserved:3;
+ u8 hdmi_support:1;
+ u8 dp_support:1;
+ u8 tmds_support:1;
+ u8 support_reserved:5;
u8 not_common3[13];
u8 iboost_level;
} __packed;
--
2.6.1
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