disp: msm: sde: add sde data to va minidumps

VA minidumps supports to add any allocated variable or data to
minidumps. Add panic notifier and wrapper function to add
sde data to minidump va. Add event log, register log, register dumps,
debug bus and different sde variables and states info to minidump.

Change-Id: If54da0b7067df17877e4da645d82f1705baa3f6d
Signed-off-by: Andhavarapu Karthik <kartkart@codeaurora.org>

msm/sde/sde_encoder_phys_wb.c

@@ -1933,6 +1933,14 @@ static void sde_encoder_phys_wb_destroy(struct sde_encoder_phys *phys_enc)
 	kfree(wb_enc);
 }
 
+void sde_encoder_phys_wb_add_enc_to_minidump(struct sde_encoder_phys *phys_enc)
+{
+	struct sde_encoder_phys_wb *wb_enc;
+	wb_enc =  to_sde_encoder_phys_wb(phys_enc);
+
+	sde_mini_dump_add_va_region("sde_enc_phys_wb", sizeof(*wb_enc), wb_enc);
+}
+
 /**
  * sde_encoder_phys_wb_init_ops - initialize writeback operations
  * @ops:	Pointer to encoder operation table
@@ -1955,6 +1963,7 @@ static void sde_encoder_phys_wb_init_ops(struct sde_encoder_phys_ops *ops)
 	ops->trigger_start = sde_encoder_helper_trigger_start;
 	ops->hw_reset = sde_encoder_helper_hw_reset;
 	ops->irq_control = sde_encoder_phys_wb_irq_ctrl;
+	ops->add_to_minidump = sde_encoder_phys_wb_add_enc_to_minidump;
 }
 
 /**