diff mbox

[05/13,v4] drm/i915: Debugfs interface to read GuC load status

Message ID 1436466554-24806-6-git-send-email-david.s.gordon@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Dave Gordon July 9, 2015, 6:29 p.m. UTC
From: Alex Dai <yu.dai@intel.com>

The new node provides access to the status of the GuC-specific loader;
also the scratch registers used for communication between the i915
driver and the GuC firmware.

v2:
    Changes to output formats per Chris Wilson's suggestions

v4:
    Rebased

Issue: VIZ-4884
Signed-off-by: Alex Dai <yu.dai@intel.com>
Signed-off-by: Dave Gordon <david.s.gordon@intel.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 39 +++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

Comments

Tom.O'Rourke@intel.com July 18, 2015, 12:39 a.m. UTC | #1
On Thu, Jul 09, 2015 at 07:29:06PM +0100, Dave Gordon wrote:
> From: Alex Dai <yu.dai@intel.com>
> 
> The new node provides access to the status of the GuC-specific loader;
> also the scratch registers used for communication between the i915
> driver and the GuC firmware.
> 
> v2:
>     Changes to output formats per Chris Wilson's suggestions
> 
> v4:
>     Rebased
> 
> Issue: VIZ-4884
> Signed-off-by: Alex Dai <yu.dai@intel.com>
> Signed-off-by: Dave Gordon <david.s.gordon@intel.com>
> ---
Reviewed-by: Tom O'Rourke <Tom.O'Rourke@intel.com>

>  drivers/gpu/drm/i915/i915_debugfs.c | 39 +++++++++++++++++++++++++++++++++++++
>  1 file changed, 39 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 98fd3c9..9ff5f17 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -2359,6 +2359,44 @@ static int i915_llc(struct seq_file *m, void *data)
>  	return 0;
>  }
>  
> +static int i915_guc_load_status_info(struct seq_file *m, void *data)
> +{
> +	struct drm_info_node *node = m->private;
> +	struct drm_i915_private *dev_priv = node->minor->dev->dev_private;
> +	struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw;
> +	u32 tmp, i;
> +
> +	if (!HAS_GUC_UCODE(dev_priv->dev))
> +		return 0;
> +
> +	seq_printf(m, "GuC firmware status:\n");
> +	seq_printf(m, "\tpath: %s\n",
> +		guc_fw->guc_fw_path);
> +	seq_printf(m, "\tfetch: %s\n",
> +		intel_guc_fw_status_repr(guc_fw->guc_fw_fetch_status));
> +	seq_printf(m, "\tload: %s\n",
> +		intel_guc_fw_status_repr(guc_fw->guc_fw_load_status));
> +	seq_printf(m, "\tversion wanted: %d.%d\n",
> +		guc_fw->guc_fw_major_wanted, guc_fw->guc_fw_minor_wanted);
> +	seq_printf(m, "\tversion found: %d.%d\n",
> +		guc_fw->guc_fw_major_found, guc_fw->guc_fw_minor_found);
> +
> +	tmp = I915_READ(GUC_STATUS);
> +
> +	seq_printf(m, "\nGuC status 0x%08x:\n", tmp);
> +	seq_printf(m, "\tBootrom status = 0x%x\n",
> +		(tmp & GS_BOOTROM_MASK) >> GS_BOOTROM_SHIFT);
> +	seq_printf(m, "\tuKernel status = 0x%x\n",
> +		(tmp & GS_UKERNEL_MASK) >> GS_UKERNEL_SHIFT);
> +	seq_printf(m, "\tMIA Core status = 0x%x\n",
> +		(tmp & GS_MIA_MASK) >> GS_MIA_SHIFT);
> +	seq_puts(m, "\nScratch registers:\n");
> +	for (i = 0; i < 16; i++)
> +		seq_printf(m, "\t%2d: \t0x%x\n", i, I915_READ(SOFT_SCRATCH(i)));
> +
> +	return 0;
> +}
> +
>  static int i915_edp_psr_status(struct seq_file *m, void *data)
>  {
>  	struct drm_info_node *node = m->private;
> @@ -5073,6 +5111,7 @@ static const struct drm_info_list i915_debugfs_list[] = {
>  	{"i915_gem_hws_bsd", i915_hws_info, 0, (void *)VCS},
>  	{"i915_gem_hws_vebox", i915_hws_info, 0, (void *)VECS},
>  	{"i915_gem_batch_pool", i915_gem_batch_pool_info, 0},
> +	{"i915_guc_load_status", i915_guc_load_status_info, 0},
>  	{"i915_frequency_info", i915_frequency_info, 0},
>  	{"i915_hangcheck_info", i915_hangcheck_info, 0},
>  	{"i915_drpc_info", i915_drpc_info, 0},
> -- 
> 1.9.1
>
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 98fd3c9..9ff5f17 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2359,6 +2359,44 @@  static int i915_llc(struct seq_file *m, void *data)
 	return 0;
 }
 
+static int i915_guc_load_status_info(struct seq_file *m, void *data)
+{
+	struct drm_info_node *node = m->private;
+	struct drm_i915_private *dev_priv = node->minor->dev->dev_private;
+	struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw;
+	u32 tmp, i;
+
+	if (!HAS_GUC_UCODE(dev_priv->dev))
+		return 0;
+
+	seq_printf(m, "GuC firmware status:\n");
+	seq_printf(m, "\tpath: %s\n",
+		guc_fw->guc_fw_path);
+	seq_printf(m, "\tfetch: %s\n",
+		intel_guc_fw_status_repr(guc_fw->guc_fw_fetch_status));
+	seq_printf(m, "\tload: %s\n",
+		intel_guc_fw_status_repr(guc_fw->guc_fw_load_status));
+	seq_printf(m, "\tversion wanted: %d.%d\n",
+		guc_fw->guc_fw_major_wanted, guc_fw->guc_fw_minor_wanted);
+	seq_printf(m, "\tversion found: %d.%d\n",
+		guc_fw->guc_fw_major_found, guc_fw->guc_fw_minor_found);
+
+	tmp = I915_READ(GUC_STATUS);
+
+	seq_printf(m, "\nGuC status 0x%08x:\n", tmp);
+	seq_printf(m, "\tBootrom status = 0x%x\n",
+		(tmp & GS_BOOTROM_MASK) >> GS_BOOTROM_SHIFT);
+	seq_printf(m, "\tuKernel status = 0x%x\n",
+		(tmp & GS_UKERNEL_MASK) >> GS_UKERNEL_SHIFT);
+	seq_printf(m, "\tMIA Core status = 0x%x\n",
+		(tmp & GS_MIA_MASK) >> GS_MIA_SHIFT);
+	seq_puts(m, "\nScratch registers:\n");
+	for (i = 0; i < 16; i++)
+		seq_printf(m, "\t%2d: \t0x%x\n", i, I915_READ(SOFT_SCRATCH(i)));
+
+	return 0;
+}
+
 static int i915_edp_psr_status(struct seq_file *m, void *data)
 {
 	struct drm_info_node *node = m->private;
@@ -5073,6 +5111,7 @@  static const struct drm_info_list i915_debugfs_list[] = {
 	{"i915_gem_hws_bsd", i915_hws_info, 0, (void *)VCS},
 	{"i915_gem_hws_vebox", i915_hws_info, 0, (void *)VECS},
 	{"i915_gem_batch_pool", i915_gem_batch_pool_info, 0},
+	{"i915_guc_load_status", i915_guc_load_status_info, 0},
 	{"i915_frequency_info", i915_frequency_info, 0},
 	{"i915_hangcheck_info", i915_hangcheck_info, 0},
 	{"i915_drpc_info", i915_drpc_info, 0},