On Thu, Jan 18, 2018 at 08:12:18PM +0000, Rodrigo Vivi wrote:
> On Thu, Jan 18, 2018 at 03:33:10PM +0000, Jani Nikula wrote:
> > 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 <[email protected]>
> > Signed-off-by: Jani Nikula <[email protected]>
>
> Reviewed-by: Rodrigo Vivi <[email protected]>
and merged... thanks
>
>
> > ---
> > drivers/gpu/drm/i915/intel_bios.c | 8 +++++---
> > 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 51108ffc28d1..b820d595ebc8 100644
> > --- a/drivers/gpu/drm/i915/intel_bios.c
> > +++ b/drivers/gpu/drm/i915/intel_bios.c
> > @@ -1323,11 +1323,13 @@ 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 {
> > --
> > 2.11.0
> >
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