The faulting virtual address is >32bits and has been moved
to different registers. Add to error state and output upper
register first, in the same line for easy reconstruction of
the fault address.
v2: correct gen masking (Michel)
Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.h | 2 ++
drivers/gpu/drm/i915/i915_gpu_error.c | 10 ++++++++++
drivers/gpu/drm/i915/i915_reg.h | 3 +++
3 files changed, 15 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 4dbe743..3ec70a5 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -427,6 +427,8 @@ struct drm_i915_error_state {
u32 forcewake;
u32 error; /* gen6+ */
u32 err_int; /* gen7 */
+ u32 fault_data0; /* gen8, gen9 */
+ u32 fault_data1; /* gen8, gen9 */
u32 done_reg;
u32 gac_eco;
u32 gam_ecochk;
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 2f7cbd3..a538ee1 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -386,6 +386,11 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m,
if (INTEL_INFO(dev)->gen >= 6) {
err_printf(m, "ERROR: 0x%08x\n", error->error);
+
+ if (INTEL_INFO(dev)->gen >= 8)
+ err_printf(m, "FAULT_TLB_DATA: 0x%08x 0x%08x\n",
+ error->fault_data1, error->fault_data0);
+
err_printf(m, "DONE_REG: 0x%08x\n", error->done_reg);
}
@@ -1171,6 +1176,11 @@ static void i915_capture_reg_state(struct drm_i915_private *dev_priv,
if (IS_GEN7(dev))
error->err_int = I915_READ(GEN7_ERR_INT);
+ if (INTEL_INFO(dev)->gen >= 8) {
+ error->fault_data0 = I915_READ(GEN8_FAULT_TBL_DATA0);
+ error->fault_data1 = I915_READ(GEN8_FAULT_TBL_DATA1);
+ }
+
if (IS_GEN6(dev)) {
error->forcewake = I915_READ(FORCEWAKE);
error->gab_ctl = I915_READ(GAB_CTL);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 5b84ee6..c663b3c 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1306,6 +1306,9 @@ enum skl_disp_power_wells {
#define ERR_INT_FIFO_UNDERRUN_A (1<<0)
#define ERR_INT_FIFO_UNDERRUN(pipe) (1<<(pipe*3))
+#define GEN8_FAULT_TBL_DATA0 0x04b10
+#define GEN8_FAULT_TBL_DATA1 0x04b14
+
#define FPGA_DBG 0x42300
#define FPGA_DBG_RM_NOCLAIM (1<<31)
--
1.9.1
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