To support hpd during sleep a new feature flag is
added in vbt and also in dev_priv for enabling/disabling
inside deiver. By default this feature will be
diabled and based on oem request this feature can
be enabled by changing vbt feature flag.
Signed-off-by: Animesh Manna <animesh.manna@xxxxxxxxx>
Signed-off-by: A.Sunil Kamath <sunil.kamath@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.h | 8 ++++++++
drivers/gpu/drm/i915/i915_reg.h | 1 +
drivers/gpu/drm/i915/intel_vbt_defs.h | 3 ++-
3 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index dd18772..445b80b 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1429,6 +1429,11 @@ enum psr_lines_to_wait {
PSR_8_LINES_TO_WAIT
};
+enum hpd_wakeup_state {
+ DISABLE_HOT_PLUG_AS_WAKE_EVENT = 0,
+ ENABLE_HOT_PLUG_AS_WAKE_EVENT
+};
+
struct intel_vbt_data {
struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
@@ -1485,6 +1490,9 @@ struct intel_vbt_data {
const u8 *sequence[MIPI_SEQ_MAX];
} dsi;
+ /* HPD as wakesoure for DC9 BXT */
+ enum hpd_wakeup_state hpd_wakeup_enabled;
+
int crt_ddc_pin;
int child_dev_num;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 12f5103..cc42bd9 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -6119,6 +6119,7 @@ enum skl_disp_power_wells {
SDE_PORTB_HOTPLUG | \
SDE_PORTC_HOTPLUG | \
SDE_PORTD_HOTPLUG)
+
#define SDE_TRANSB_CRC_DONE (1 << 5)
#define SDE_TRANSB_CRC_ERR (1 << 4)
#define SDE_TRANSB_FIFO_UNDER (1 << 3)
diff --git a/drivers/gpu/drm/i915/intel_vbt_defs.h b/drivers/gpu/drm/i915/intel_vbt_defs.h
index 749dcea..8e2b765 100644
--- a/drivers/gpu/drm/i915/intel_vbt_defs.h
+++ b/drivers/gpu/drm/i915/intel_vbt_defs.h
@@ -547,7 +547,8 @@ struct bdb_driver_features {
u16 tbt_enabled:1;
u16 psr_enabled:1;
u16 ips_enabled:1;
- u16 reserved3:4;
+ u16 reserved3:3;
+ u16 hpd_wakeup_source:1;
u16 pc_feature_valid:1;
} __packed;
--
2.0.2
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