diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2018-01-18 17:33:10 +0200 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2018-02-07 12:32:14 -0800 |
| commit | 6dd3104e78943685d5183efe883d83a5f2361bf1 (patch) | |
| tree | 2e762c4774bc50679b5a03043aebb0f686dc0c7c | |
| parent | 6e3322c226f15bc1838007f5a75566f1482b8e40 (diff) | |
drm/i915/bios: add DP max link rate to VBT child device structdrm-intel-next-fixes-2018-02-07
Update VBT defs to reflect revision 216. While at it, default the
expected child device struct size to sizeof the size rather than a
hardcoded value.
v2: Fix bit order (David)
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180118153310.32437-1-jani.nikula@intel.com
(cherry picked from commit c4fb60b9aba9f939d3f8575df23fd8d5958ec6ed)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_vbt_defs.h | 2 |
2 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 4c42cc4b193b..f7f771749e48 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -1329,11 +1329,13 @@ parse_general_definitions(struct drm_i915_private *dev_priv, expected_size = LEGACY_CHILD_DEVICE_CONFIG_SIZE; } else if (bdb->version == 195) { expected_size = 37; - } else if (bdb->version <= 197) { + } else if (bdb->version <= 215) { expected_size = 38; + } else if (bdb->version <= 216) { + expected_size = 39; } else { - expected_size = 38; - BUILD_BUG_ON(sizeof(*child) < 38); + expected_size = sizeof(*child); + BUILD_BUG_ON(sizeof(*child) < 39); DRM_DEBUG_DRIVER("Expected child device config size for VBT version %u not known; assuming %u\n", bdb->version, expected_size); } diff --git a/drivers/gpu/drm/i915/intel_vbt_defs.h b/drivers/gpu/drm/i915/intel_vbt_defs.h index e3d7745a9151..98dff6058d3c 100644 --- a/drivers/gpu/drm/i915/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/intel_vbt_defs.h @@ -412,6 +412,8 @@ struct child_device_config { u16 dp_gpio_pin_num; /* 195 */ u8 dp_iboost_level:4; /* 196 */ u8 hdmi_iboost_level:4; /* 196 */ + u8 dp_max_link_rate:2; /* 216 CNL+ */ + u8 dp_max_link_rate_reserved:6; /* 216 */ } __packed; struct bdb_general_definitions { |