Include GuC and HuC firmware details in captured error state
to provide additional debug information. To reuse existing
uc firmware pretty printer, introduce new drm-printer variant
that works with our i915_error_state_buf output.
Suggested-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.h | 4 ++++
drivers/gpu/drm/i915/i915_gpu_error.c | 42 +++++++++++++++++++++++++++++++++++
2 files changed, 46 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index f01c800..f608d84 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -912,6 +912,10 @@ struct i915_gpu_state {
struct intel_device_info device_info;
struct i915_params params;
+ /* uC state */
+ struct intel_uc_fw guc_fw;
+ struct intel_uc_fw huc_fw;
+
/* Generic register state */
u32 eir;
u32 pgtbl_er;
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 653fb69..0105b87 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -30,6 +30,8 @@
#include <generated/utsrelease.h>
#include <linux/stop_machine.h>
#include <linux/zlib.h>
+#include <drm/drm_print.h>
+
#include "i915_drv.h"
static const char *engine_str(int engine)
@@ -175,6 +177,21 @@ static void i915_error_puts(struct drm_i915_error_state_buf *e,
#define err_printf(e, ...) i915_error_printf(e, __VA_ARGS__)
#define err_puts(e, s) i915_error_puts(e, s)
+void __i915_printfn_error(struct drm_printer *p, struct va_format *vaf)
+{
+ i915_error_vprintf(p->arg, vaf->fmt, *vaf->va);
+}
+
+static inline struct drm_printer
+i915_error_printer(struct drm_i915_error_state_buf *e)
+{
+ struct drm_printer p = {
+ .printfn = __i915_printfn_error,
+ .arg = e,
+ };
+ return p;
+}
+
#ifdef CONFIG_DRM_I915_COMPRESS_ERROR
struct compress {
@@ -592,8 +609,10 @@ static void err_print_pciid(struct drm_i915_error_state_buf *m,
int i915_error_state_to_str(struct drm_i915_error_state_buf *m,
const struct i915_gpu_state *error)
{
+ struct drm_printer p = i915_error_printer(m);
struct drm_i915_private *dev_priv = m->i915;
struct drm_i915_error_object *obj;
+
int i, j;
if (!error) {
@@ -774,6 +793,11 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m,
err_print_capabilities(m, &error->device_info);
err_print_params(m, &error->params);
+ if (HAS_GUC(dev_priv)) {
+ intel_uc_fw_dump(&dev_priv->guc.fw, &p);
+ intel_uc_fw_dump(&dev_priv->huc.fw, &p);
+ }
+
if (m->bytes == 0 && m->err)
return m->err;
@@ -1559,6 +1583,23 @@ static void i915_capture_pinned_buffers(struct drm_i915_private *dev_priv,
error->pinned_bo = bo;
}
+static void i915_capture_uc_state(struct drm_i915_private *dev_priv,
+ struct i915_gpu_state *error)
+{
+ error->guc_fw = dev_priv->guc.fw;
+ error->huc_fw = dev_priv->huc.fw;
+
+ /* Make sure to capture custom firmware paths */
+ if (i915_modparams.guc_firmware_path) {
+ error->guc_fw.path = error->params.guc_firmware_path;
+ GEM_BUG_ON(strcmp(error->guc_fw.path, dev_priv->guc.fw.path));
+ }
+ if (i915_modparams.huc_firmware_path) {
+ error->huc_fw.path = error->params.huc_firmware_path;
+ GEM_BUG_ON(strcmp(error->huc_fw.path, dev_priv->huc.fw.path));
+ }
+}
+
static void i915_gem_capture_guc_log_buffer(struct drm_i915_private *dev_priv,
struct i915_gpu_state *error)
{
@@ -1710,6 +1751,7 @@ static int capture(void *data)
I915_PARAMS_FOR_EACH(DUP);
#undef DUP
+ i915_capture_uc_state(error->i915, error);
i915_capture_gen_state(error->i915, error);
i915_capture_reg_state(error->i915, error);
i915_gem_record_fences(error->i915, error);
--
2.7.4
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
