3 files changed, 26 insertions, 0 deletions

diff --git a/drivers/video/intelfb/intelfb.h b/drivers/video/intelfb/intelfb.h
index e290d7460e1b..cb016fe4d488 100644
--- a/drivers/video/intelfb/intelfb.h
+++ b/drivers/video/intelfb/intelfb.h
@@ -195,6 +195,10 @@ struct intelfb_hwstate {
         u32 mem_mode;
         u32 fw_blc_0;
         u32 fw_blc_1;
+        u16 hwstam;
+        u16 ier;
+        u16 iir;
+        u16 imr;
 };
 
 struct intelfb_heap_data {
diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c
index 7533b3dd08ac..05aded669cdb 100644
--- a/drivers/video/intelfb/intelfbhw.c
+++ b/drivers/video/intelfb/intelfbhw.c
@@ -587,6 +587,11 @@ intelfbhw_read_hw_state(struct intelfb_info *dinfo, struct intelfb_hwstate *hw,
         hw->fw_blc_0 = INREG(FW_BLC_0);
         hw->fw_blc_1 = INREG(FW_BLC_1);
 
+        hw->hwstam = INREG16(HWSTAM);
+        hw->ier = INREG16(IER);
+        hw->iir = INREG16(IIR);
+        hw->imr = INREG16(IMR);
+
         return 0;
 }
 
@@ -796,6 +801,10 @@ intelfbhw_print_hw_state(struct intelfb_info *dinfo, struct intelfb_hwstate *hw)
         printk("        FW_BLC_0                0x%08x\n", hw->fw_blc_0);
         printk("        FW_BLC_1                0x%08x\n", hw->fw_blc_1);
 
+        printk("        HWSTAM                  0x%04x\n", hw->hwstam);
+        printk("        IER                     0x%04x\n", hw->ier);
+        printk("        IIR                     0x%04x\n", hw->iir);
+        printk("        IMR                     0x%04x\n", hw->imr);
         printk("hw state dump end\n");
 #endif
 }
diff --git a/drivers/video/intelfb/intelfbhw.h b/drivers/video/intelfb/intelfbhw.h
index 258235149913..8d2e36972fc8 100644
--- a/drivers/video/intelfb/intelfbhw.h
+++ b/drivers/video/intelfb/intelfbhw.h
@@ -88,6 +88,19 @@
 #define INSTDONE                0x2090
 #define PRI_RING_EMPTY                  1
 
+#define HWSTAM                  0x2098
+#define IER                     0x20A0
+#define IIR                     0x20A4
+#define IMR                     0x20A8
+#define VSYNC_PIPE_A_INTERRUPT          (1 << 7)
+#define PIPE_A_EVENT_INTERRUPT          (1 << 4)
+#define VSYNC_PIPE_B_INTERRUPT          (1 << 5)
+#define PIPE_B_EVENT_INTERRUPT          (1 << 4)
+#define HOST_PORT_EVENT_INTERRUPT       (1 << 3)
+#define CAPTURE_EVENT_INTERRUPT         (1 << 2)
+#define USER_DEFINED_INTERRUPT          (1 << 1)
+#define BREAKPOINT_INTERRUPT            1
+
 #define INSTPM                  0x20c0
 #define SYNC_FLUSH_ENABLE               (1 << 5)