From: Damien Lespiau <damien.lespiau at intel.com>
This reports which lanes are locked.
Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
---
lib/intel_reg.h | 8 ++++++++
tools/intel_reg_dumper.c | 21 +++++++++++++++++++++
2 files changed, 29 insertions(+)
diff --git a/lib/intel_reg.h b/lib/intel_reg.h
index ffded64..0796cb5 100644
--- a/lib/intel_reg.h
+++ b/lib/intel_reg.h
@@ -3381,6 +3381,14 @@ typedef enum {
#define FDI_RXC_TUSIZE1 0xf2030
#define FDI_RXC_TUSIZE2 0xf2038
+#define FDI_RXA_DEBUG 0xf0020
+#define FDI_RXB_DEBUG 0xf1020
+#define FDI_RXC_DEBUG 0xf2020
+#define FDI_RX_DEBUG_L3_BIT_LOCKED (1<<29)
+#define FDI_RX_DEBUG_L2_BIT_LOCKED (1<<28)
+#define FDI_RX_DEBUG_L1_BIT_LOCKED (1<<27)
+#define FDI_RX_DEBUG_L0_BIT_LOCKED (1<<26)
+
/* FDI_RX interrupt register format */
#define FDI_RX_INTER_LANE_ALIGN (1<<10)
#define FDI_RX_SYMBOL_LOCK (1<<9) /* train 2 */
diff --git a/tools/intel_reg_dumper.c b/tools/intel_reg_dumper.c
index f6392e2..7f6eaaa 100644
--- a/tools/intel_reg_dumper.c
+++ b/tools/intel_reg_dumper.c
@@ -1310,6 +1310,23 @@ DEBUGSTRING(ironlake_debug_fdi_rx_misc)
snprintf(result, len, "FDI Delay %d", val & ((1 << 13) - 1));
}
+DEBUGSTRING(ironlake_debug_fdi_rx_debug)
+{
+ int l0_locked = val & FDI_RX_DEBUG_L0_BIT_LOCKED;
+ int l1_locked = val & FDI_RX_DEBUG_L1_BIT_LOCKED;
+ int l2_locked = val & FDI_RX_DEBUG_L2_BIT_LOCKED;
+ int l3_locked = val & FDI_RX_DEBUG_L3_BIT_LOCKED;
+ const char *none = "";
+
+ if (l0_locked + l1_locked + l2_locked + l3_locked == 0)
+ none = "none";
+
+ snprintf(result, len, "bit locked lanes: %s%s%s%s%s",
+ l0_locked ? "0 " : "", l1_locked ? "1 " : "",
+ l2_locked ? "2 " : "", l3_locked ? "3 " : "",
+ none);
+}
+
DEBUGSTRING(ironlake_debug_transconf)
{
const char *enable = val & TRANS_ENABLE ? "enable" : "disable";
@@ -1793,6 +1810,10 @@ static struct reg_debug ironlake_debug_regs[] = {
DEFINEREG(FDI_RXB_IIR),
DEFINEREG(FDI_RXB_IMR),
+ DEFINEREG2(FDI_RXA_DEBUG, ironlake_debug_fdi_rx_debug),
+ DEFINEREG2(FDI_RXB_DEBUG, ironlake_debug_fdi_rx_debug),
+ DEFINEREG2(FDI_RXC_DEBUG, ironlake_debug_fdi_rx_debug),
+
DEFINEREG2(PCH_ADPA, i830_debug_adpa),
DEFINEREG2(HDMIB, ironlake_debug_hdmi),
DEFINEREG2(HDMIC, ironlake_debug_hdmi),
--
1.7.11.4
