We check these to determine firmware loading status. Include
them to help to debug causes of firmware loading fails.
Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_debugfs.c | 4 ++++
drivers/gpu/drm/i915/i915_reg.h | 3 +++
2 files changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 5d606f0..e54f1bf 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2795,6 +2795,10 @@ static int i915_dmc_info(struct seq_file *m, void *unused)
csr_state = intel_csr_load_status_get(dev_priv);
seq_printf(m, "status: %s\n", csr_state_str[csr_state]);
+ seq_printf(m, "path: %s\n", csr->fw_path);
+ seq_printf(m, "program base: 0x%08x\n", I915_READ(CSR_PROGRAM(0)));
+ seq_printf(m, "ssp base: 0x%08x\n", I915_READ(CSR_SSP_BASE));
+ seq_printf(m, "htp: 0x%08x\n", I915_READ(CSR_HTP_SKL));
if (csr_state != FW_LOADED)
return 0;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 05f4a18..9966bfd 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -5697,6 +5697,9 @@ enum skl_disp_power_wells {
#define GAMMA_MODE_MODE_SPLIT (3 << 0)
/* DMC/CSR */
+#define CSR_PROGRAM(i) (0x80000 + (i) * 4)
+#define CSR_SSP_BASE 0x8F074
+#define CSR_HTP_SKL 0x8F004
#define SKL_CSR_DC3_DC5_COUNT 0x80030
#define SKL_CSR_DC5_DC6_COUNT 0x8002C
#define BXT_CSR_DC3_DC5_COUNT 0x80038
--
2.1.4
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