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drm/i915/skl: Print the DMC firmware status in debugfs

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Create a new debufs file for it, we'll have a few more things to add
there.

v2: Fix checkpatch warning about static const array
v3: use named initializers (Ville)
v4: strip out csr_state as it will be removed in future (Ville, Imre)

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> (v1)
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1445950025-5793-3-git-send-email-mika.kuoppala@intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
Tested-by: Daniel Stone <daniels@collabora.com> # SKL
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
This commit is contained in:
Damien Lespiau 2015-10-27 14:47:01 +02:00 committed by Ville Syrjälä
parent 9c5308ea1c
commit b7cec66de1
1 changed files with 27 additions and 0 deletions
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27
drivers/gpu/drm/i915/i915_debugfs.c
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@ -2788,6 +2788,32 @@ static int i915_power_domain_info(struct seq_file *m, void *unused)
return 0;
}
static int i915_dmc_info(struct seq_file *m, void *unused)
{
struct drm_info_node *node = m->private;
struct drm_device *dev = node->minor->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_csr *csr;
if (!HAS_CSR(dev)) {
seq_puts(m, "not supported\n");
return 0;
}
csr = &dev_priv->csr;
seq_printf(m, "fw loaded: %s\n", yesno(csr->dmc_payload != NULL));
seq_printf(m, "path: %s\n", csr->fw_path);
if (!csr->dmc_payload)
return 0;
seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version),
CSR_VERSION_MINOR(csr->version));
return 0;
}
static void intel_seq_print_mode(struct seq_file *m, int tabs,
struct drm_display_mode *mode)
{
@ -5352,6 +5378,7 @@ static const struct drm_info_list i915_debugfs_list[] = {
{"i915_energy_uJ", i915_energy_uJ, 0},
{"i915_runtime_pm_status", i915_runtime_pm_status, 0},
{"i915_power_domain_info", i915_power_domain_info, 0},
{"i915_dmc_info", i915_dmc_info, 0},
{"i915_display_info", i915_display_info, 0},
{"i915_semaphore_status", i915_semaphore_status, 0},
{"i915_shared_dplls_info", i915_shared_dplls_info, 0},