| Message ID | 1448923632-16760-4-git-send-email-m.deepak@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, 2015-12-01 at 04:17 +0530, Deepak M wrote: > Mailbox 5 is BIOS to Driver Notification mailbox is intended > to support BIOS to Driver event notification or data storage > for BIOS to Driver data synchronization purpose. Mailbox 5 is > the extension of mailbox 3. > > Cc: Jani Nikula <jani.nikula@intel.com> Tested-by: Mika Kahola <mika.kahola@intel.com> > Signed-off-by: Deepak M <m.deepak@intel.com> > --- > drivers/gpu/drm/i915/i915_drv.h | 1 + > drivers/gpu/drm/i915/intel_opregion.c | 9 +++++++++ > 2 files changed, 10 insertions(+) > > diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h > index 71bd1dc..135d32a 100644 > --- a/drivers/gpu/drm/i915/i915_drv.h > +++ b/drivers/gpu/drm/i915/i915_drv.h > @@ -457,6 +457,7 @@ struct intel_opregion { > u32 swsci_sbcb_sub_functions; > struct opregion_asle *asle; > void *vbt; > + struct opregion_asle_ext *asle_ext; > u32 *lid_state; > struct work_struct asle_work; > }; > diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c > index 64efedf..43b7c3b 100644 > --- a/drivers/gpu/drm/i915/intel_opregion.c > +++ b/drivers/gpu/drm/i915/intel_opregion.c > @@ -46,6 +46,7 @@ > #define OPREGION_SWSCI_OFFSET 0x200 > #define OPREGION_ASLE_OFFSET 0x300 > #define OPREGION_VBT_OFFSET 0x400 > +#define OPREGION_ASLE_EXT_OFFSET 0x1C00 > > #define OPREGION_SIGNATURE "IntelGraphicsMem" > #define MBOX_ACPI (1<<0) > @@ -125,6 +126,13 @@ struct opregion_asle { > u8 rsvd[58]; > } __packed; > > +/* OpRegion mailbox #5: ASLE ext */ > +struct opregion_asle_ext { > + u32 phed; /* Panel Header */ > + u32 bddc[64]; /* Panel EDID */ > + u32 rsvd[191]; > +} __packed; > + > /* Driver readiness indicator */ > #define ASLE_ARDY_READY (1 << 0) > #define ASLE_ARDY_NOT_READY (0 << 0) > @@ -936,6 +944,7 @@ int intel_opregion_setup(struct drm_device *dev) > opregion->vbt = base + OPREGION_VBT_OFFSET; > > opregion->lid_state = base + ACPI_CLID; > + opregion->asle_ext = base + OPREGION_ASLE_EXT_OFFSET; > > mboxes = opregion->header->mboxes; > if (mboxes & MBOX_ACPI) {
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 71bd1dc..135d32a 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -457,6 +457,7 @@ struct intel_opregion { u32 swsci_sbcb_sub_functions; struct opregion_asle *asle; void *vbt; + struct opregion_asle_ext *asle_ext; u32 *lid_state; struct work_struct asle_work; }; diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 64efedf..43b7c3b 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -46,6 +46,7 @@ #define OPREGION_SWSCI_OFFSET 0x200 #define OPREGION_ASLE_OFFSET 0x300 #define OPREGION_VBT_OFFSET 0x400 +#define OPREGION_ASLE_EXT_OFFSET 0x1C00 #define OPREGION_SIGNATURE "IntelGraphicsMem" #define MBOX_ACPI (1<<0) @@ -125,6 +126,13 @@ struct opregion_asle { u8 rsvd[58]; } __packed; +/* OpRegion mailbox #5: ASLE ext */ +struct opregion_asle_ext { + u32 phed; /* Panel Header */ + u32 bddc[64]; /* Panel EDID */ + u32 rsvd[191]; +} __packed; + /* Driver readiness indicator */ #define ASLE_ARDY_READY (1 << 0) #define ASLE_ARDY_NOT_READY (0 << 0) @@ -936,6 +944,7 @@ int intel_opregion_setup(struct drm_device *dev) opregion->vbt = base + OPREGION_VBT_OFFSET; opregion->lid_state = base + ACPI_CLID; + opregion->asle_ext = base + OPREGION_ASLE_EXT_OFFSET; mboxes = opregion->header->mboxes; if (mboxes & MBOX_ACPI) {
Mailbox 5 is BIOS to Driver Notification mailbox is intended to support BIOS to Driver event notification or data storage for BIOS to Driver data synchronization purpose. Mailbox 5 is the extension of mailbox 3. Cc: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Deepak M <m.deepak@intel.com> --- drivers/gpu/drm/i915/i915_drv.h | 1 + drivers/gpu/drm/i915/intel_opregion.c | 9 +++++++++ 2 files changed, 10 insertions(+)