1 files changed, 100 insertions, 3 deletions

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index d1d353a7c77d..37e61a88d49e 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -47,6 +47,15 @@
 #define AMDGPU_DM_MAX_CRTC 6
 
 #define AMDGPU_DM_MAX_NUM_EDP 2
+
+#define AMDGPU_DMUB_NOTIFICATION_MAX 5
+
+/**
+ * DMUB Async to Sync Mechanism Status
+ **/
+#define DMUB_ASYNC_TO_SYNC_ACCESS_FAIL 1
+#define DMUB_ASYNC_TO_SYNC_ACCESS_TIMEOUT 2
+#define DMUB_ASYNC_TO_SYNC_ACCESS_SUCCESS 3
 /*
 #include "include/amdgpu_dal_power_if.h"
 #include "amdgpu_dm_irq.h"
@@ -86,6 +95,21 @@ struct dm_compressor_info {
 	uint64_t gpu_addr;
 };
 
+typedef void (*dmub_notify_interrupt_callback_t)(struct amdgpu_device *adev, struct dmub_notification *notify);
+
+/**
+ * struct dmub_hpd_work - Handle time consuming work in low priority outbox IRQ
+ *
+ * @handle_hpd_work: Work to be executed in a separate thread to handle hpd_low_irq
+ * @dmub_notify:  notification for callback function
+ * @adev: amdgpu_device pointer
+ */
+struct dmub_hpd_work {
+	struct work_struct handle_hpd_work;
+	struct dmub_notification *dmub_notify;
+	struct amdgpu_device *adev;
+};
+
 /**
  * struct vblank_control_work - Work data for vblank control
  * @work: Kernel work data for the work event
@@ -155,6 +179,48 @@ struct dal_allocation {
 };
 
 /**
+ * struct hpd_rx_irq_offload_work_queue - Work queue to handle hpd_rx_irq
+ * offload work
+ */
+struct hpd_rx_irq_offload_work_queue {
+	/**
+	 * @wq: workqueue structure to queue offload work.
+	 */
+	struct workqueue_struct *wq;
+	/**
+	 * @offload_lock: To protect fields of offload work queue.
+	 */
+	spinlock_t offload_lock;
+	/**
+	 * @is_handling_link_loss: Used to prevent inserting link loss event when
+	 * we're handling link loss
+	 */
+	bool is_handling_link_loss;
+	/**
+	 * @aconnector: The aconnector that this work queue is attached to
+	 */
+	struct amdgpu_dm_connector *aconnector;
+};
+
+/**
+ * struct hpd_rx_irq_offload_work - hpd_rx_irq offload work structure
+ */
+struct hpd_rx_irq_offload_work {
+	/**
+	 * @work: offload work
+	 */
+	struct work_struct work;
+	/**
+	 * @data: reference irq data which is used while handling offload work
+	 */
+	union hpd_irq_data data;
+	/**
+	 * @offload_wq: offload work queue that this work is queued to
+	 */
+	struct hpd_rx_irq_offload_work_queue *offload_wq;
+};
+
+/**
  * struct amdgpu_display_manager - Central amdgpu display manager device
  *
  * @dc: Display Core control structure
@@ -190,9 +256,31 @@ struct amdgpu_display_manager {
 	 */
 	struct dmub_srv *dmub_srv;
 
+	/**
+	 * @dmub_notify:
+	 *
+	 * Notification from DMUB.
+	 */
+
 	struct dmub_notification *dmub_notify;
 
 	/**
+	 * @dmub_callback:
+	 *
+	 * Callback functions to handle notification from DMUB.
+	 */
+
+	dmub_notify_interrupt_callback_t dmub_callback[AMDGPU_DMUB_NOTIFICATION_MAX];
+
+	/**
+	 * @dmub_thread_offload:
+	 *
+	 * Flag to indicate if callback is offload.
+	 */
+
+	bool dmub_thread_offload[AMDGPU_DMUB_NOTIFICATION_MAX];
+
+	/**
 	 * @dmub_fb_info:
 	 *
 	 * Framebuffer regions for the DMUB.
@@ -422,7 +510,12 @@ struct amdgpu_display_manager {
 	 */
 	struct crc_rd_work *crc_rd_wrk;
 #endif
-
+	/**
+	 * @hpd_rx_offload_wq:
+	 *
+	 * Work queue to offload works of hpd_rx_irq
+	 */
+	struct hpd_rx_irq_offload_work_queue *hpd_rx_offload_wq;
 	/**
 	 * @mst_encoders:
 	 *
@@ -439,6 +532,7 @@ struct amdgpu_display_manager {
 	 */
 	struct list_head da_list;
 	struct completion dmub_aux_transfer_done;
+	struct workqueue_struct *delayed_hpd_wq;
 
 	/**
 	 * @brightness:
@@ -542,6 +636,8 @@ struct dm_crtc_state {
 
 	bool dsc_force_changed;
 	bool vrr_supported;
+
+	bool force_dpms_off;
 	struct mod_freesync_config freesync_config;
 	struct dc_info_packet vrr_infopacket;
 
@@ -632,6 +728,7 @@ void amdgpu_dm_update_connector_after_detect(
 
 extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs;
 
-int amdgpu_dm_process_dmub_aux_transfer_sync(struct dc_context *ctx, unsigned int linkIndex,
-					struct aux_payload *payload, enum aux_return_code_type *operation_result);
+int amdgpu_dm_process_dmub_aux_transfer_sync(bool is_cmd_aux,
+					struct dc_context *ctx, unsigned int link_index,
+					void *payload, void *operation_result);
 #endif /* __AMDGPU_DM_H__ */