Commit b0b2ed0c authored by Pankaj Bharadiya's avatar Pankaj Bharadiya Committed by Jani Nikula
Browse files

drm/i915/display/overlay: Make WARN* drm specific where drm_priv ptr is available



drm specific WARN* calls include device information in the
backtrace, so we know what device the warnings originate from.

Covert all the calls of WARN* with device specific drm_WARN*
variants in functions where drm_i915_private struct pointer is readily
available.

The conversion was done automatically with below coccinelle semantic
patch.

@rule1@
identifier func, T;
@@
func(...) {
...
struct drm_i915_private *T = ...;
<+...
(
-WARN(
+drm_WARN(&T->drm,
...)
|
-WARN_ON(
+drm_WARN_ON(&T->drm,
...)
|
-WARN_ONCE(
+drm_WARN_ONCE(&T->drm,
...)
|
-WARN_ON_ONCE(
+drm_WARN_ON_ONCE(&T->drm,
...)
)
...+>
}

@rule2@
identifier func, T;
@@
func(struct drm_i915_private *T,...) {
<+...
(
-WARN(
+drm_WARN(&T->drm,
...)
|
-WARN_ON(
+drm_WARN_ON(&T->drm,
...)
|
-WARN_ONCE(
+drm_WARN_ONCE(&T->drm,
...)
|
-WARN_ON_ONCE(
+drm_WARN_ON_ONCE(&T->drm,
...)
)
...+>
}

Signed-off-by: default avatarPankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200128181603.27767-15-pankaj.laxminarayan.bharadiya@intel.com
parent 10d4e146
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+7 −5
Original line number Diff line number Diff line
@@ -248,7 +248,7 @@ static int intel_overlay_on(struct intel_overlay *overlay)
	struct i915_request *rq;
	u32 *cs;

	WARN_ON(overlay->active);
	drm_WARN_ON(&dev_priv->drm, overlay->active);

	rq = alloc_request(overlay, NULL);
	if (IS_ERR(rq))
@@ -316,7 +316,7 @@ static int intel_overlay_continue(struct intel_overlay *overlay,
	u32 flip_addr = overlay->flip_addr;
	u32 tmp, *cs;

	WARN_ON(!overlay->active);
	drm_WARN_ON(&dev_priv->drm, !overlay->active);

	if (load_polyphase_filter)
		flip_addr |= OFC_UPDATE;
@@ -760,7 +760,8 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
	struct i915_vma *vma;
	int ret, tmp_width;

	WARN_ON(!drm_modeset_is_locked(&dev_priv->drm.mode_config.connection_mutex));
	drm_WARN_ON(&dev_priv->drm,
		    !drm_modeset_is_locked(&dev_priv->drm.mode_config.connection_mutex));

	ret = intel_overlay_release_old_vid(overlay);
	if (ret != 0)
@@ -858,7 +859,8 @@ int intel_overlay_switch_off(struct intel_overlay *overlay)
	struct drm_i915_private *dev_priv = overlay->i915;
	int ret;

	WARN_ON(!drm_modeset_is_locked(&dev_priv->drm.mode_config.connection_mutex));
	drm_WARN_ON(&dev_priv->drm,
		    !drm_modeset_is_locked(&dev_priv->drm.mode_config.connection_mutex));

	ret = intel_overlay_recover_from_interrupt(overlay);
	if (ret != 0)
@@ -1390,7 +1392,7 @@ void intel_overlay_cleanup(struct drm_i915_private *dev_priv)
	 * Furthermore modesetting teardown happens beforehand so the
	 * hardware should be off already.
	 */
	WARN_ON(overlay->active);
	drm_WARN_ON(&dev_priv->drm, overlay->active);

	i915_gem_object_put(overlay->reg_bo);
	i915_active_fini(&overlay->last_flip);