[PATCH 1/2] drm/i915/ips: Make IPS debugfs per-crtc

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

IPS is a per-pipe feature, so let's move the debugfs stuff
under the crtc directory, and only register it when IPS
is actually available.

Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/display/hsw_ips.c            | 15 +++++++--------
 drivers/gpu/drm/i915/display/hsw_ips.h            |  3 +--
 .../gpu/drm/i915/display/intel_display_debugfs.c  |  2 +-
 3 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/hsw_ips.c b/drivers/gpu/drm/i915/display/hsw_ips.c
index 2910f5d0f3e2..47209c858c32 100644
--- a/drivers/gpu/drm/i915/display/hsw_ips.c
+++ b/drivers/gpu/drm/i915/display/hsw_ips.c
@@ -270,12 +270,10 @@ void hsw_ips_get_config(struct intel_crtc_state *crtc_state)
 
 static int hsw_ips_debugfs_status_show(struct seq_file *m, void *unused)
 {
-	struct drm_i915_private *i915 = m->private;
+	struct intel_crtc *crtc = m->private;
+	struct drm_i915_private *i915 = to_i915(crtc->base.dev);
 	intel_wakeref_t wakeref;
 
-	if (!HAS_IPS(i915))
-		return -ENODEV;
-
 	wakeref = intel_runtime_pm_get(&i915->runtime_pm);
 
 	seq_printf(m, "Enabled by kernel parameter: %s\n",
@@ -297,10 +295,11 @@ static int hsw_ips_debugfs_status_show(struct seq_file *m, void *unused)
 
 DEFINE_SHOW_ATTRIBUTE(hsw_ips_debugfs_status);
 
-void hsw_ips_debugfs_register(struct drm_i915_private *i915)
+void hsw_ips_crtc_debugfs_add(struct intel_crtc *crtc)
 {
-	struct drm_minor *minor = i915->drm.primary;
+	if (!hsw_crtc_supports_ips(crtc))
+		return;
 
-	debugfs_create_file("i915_ips_status", 0444, minor->debugfs_root,
-			    i915, &hsw_ips_debugfs_status_fops);
+	debugfs_create_file("i915_ips_status", 0444, crtc->base.debugfs_entry,
+			    crtc, &hsw_ips_debugfs_status_fops);
 }
diff --git a/drivers/gpu/drm/i915/display/hsw_ips.h b/drivers/gpu/drm/i915/display/hsw_ips.h
index 7ed6061874f7..4eb83b350791 100644
--- a/drivers/gpu/drm/i915/display/hsw_ips.h
+++ b/drivers/gpu/drm/i915/display/hsw_ips.h
@@ -8,7 +8,6 @@
 
 #include <linux/types.h>
 
-struct drm_i915_private;
 struct intel_atomic_state;
 struct intel_crtc;
 struct intel_crtc_state;
@@ -23,6 +22,6 @@ bool hsw_crtc_state_ips_capable(const struct intel_crtc_state *crtc_state);
 int hsw_ips_compute_config(struct intel_atomic_state *state,
 			   struct intel_crtc *crtc);
 void hsw_ips_get_config(struct intel_crtc_state *crtc_state);
-void hsw_ips_debugfs_register(struct drm_i915_private *i915);
+void hsw_ips_crtc_debugfs_add(struct intel_crtc *crtc);
 
 #endif /* __HSW_IPS_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index cc5026272558..d5715ccc37f0 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -1092,7 +1092,6 @@ void intel_display_debugfs_register(struct drm_i915_private *i915)
 				 ARRAY_SIZE(intel_display_debugfs_list),
 				 minor->debugfs_root, minor);
 
-	hsw_ips_debugfs_register(i915);
 	intel_dmc_debugfs_register(i915);
 	intel_fbc_debugfs_register(i915);
 	intel_hpd_debugfs_register(i915);
@@ -1461,6 +1460,7 @@ void intel_crtc_debugfs_add(struct intel_crtc *crtc)
 	crtc_updates_add(crtc);
 	intel_drrs_crtc_debugfs_add(crtc);
 	intel_fbc_crtc_debugfs_add(crtc);
+	hsw_ips_crtc_debugfs_add(crtc);
 
 	debugfs_create_file("i915_current_bpc", 0444, root, crtc,
 			    &i915_current_bpc_fops);
-- 
2.39.2




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