diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2015-12-15 13:17:12 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2015-12-16 11:30:24 +0200 |
| commit | ada8f955988394ca032b8eece7c9ca70bed42745 (patch) | |
| tree | 5673f931ee51617265aa0ebe3b0c417f40f8f616 /drivers | |
| parent | 2455a8e43d6b052047cf3fce9f417ff7fd619fc9 (diff) | |
drm/i915/debugfs: add a separate debugfs file for VBT
In the future the VBT might not be in mailbox #4 of the ACPI OpRegion,
thus unavailable in i915_opregion, so add a separate file for the VBT.
v2: Drop the locking as unneeded (Chris)
v3: Rebase
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1450178232-27780-1-git-send-email-jani.nikula@intel.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_opregion.c | 1 |
3 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index a9e1f18c36d1..0fc38bb7276c 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1857,6 +1857,19 @@ out: return 0; } +static int i915_vbt(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_opregion *opregion = &dev_priv->opregion; + + if (opregion->vbt) + seq_write(m, opregion->vbt, opregion->vbt_size); + + return 0; +} + static int i915_gem_framebuffer_info(struct seq_file *m, void *data) { struct drm_info_node *node = m->private; @@ -5325,6 +5338,7 @@ static const struct drm_info_list i915_debugfs_list[] = { {"i915_ips_status", i915_ips_status, 0}, {"i915_sr_status", i915_sr_status, 0}, {"i915_opregion", i915_opregion, 0}, + {"i915_vbt", i915_vbt, 0}, {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0}, {"i915_context_status", i915_context_status, 0}, {"i915_dump_lrc", i915_dump_lrc, 0}, diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 10e47167c594..ca8c2a64bc6d 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -458,6 +458,7 @@ struct intel_opregion { u32 swsci_sbcb_sub_functions; struct opregion_asle *asle; const void *vbt; + u32 vbt_size; u32 *lid_state; struct work_struct asle_work; }; diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index e1795de440db..53164a05ff7a 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -993,6 +993,7 @@ int intel_opregion_setup(struct drm_device *dev) if (intel_bios_is_valid_vbt(vbt, vbt_size)) { DRM_DEBUG_KMS("Found valid VBT in ACPI OpRegion\n"); opregion->vbt = vbt; + opregion->vbt_size = vbt_size; } } |