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drm/i915/fbdev: Make WARN* drm specific where drm_device ptr is available

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Drm specific drm_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_device struct pointer is readily
available.

The conversion was done automatically with below coccinelle semantic
patch. checkpatch errors/warnings are fixed manually.

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

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

Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200128181603.27767-12-pankaj.laxminarayan.bharadiya@intel.com
This commit is contained in:
Pankaj Bharadiya
2020-01-28 23:45:53 +05:30
committed by Jani Nikula
parent 6a0e032fb5
commit 5836019a87
1 changed files with 7 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/gpu/drm/i915/display/intel_fbdev.c
View File

@@ -191,7 +191,7 @@ static int intelfb_create(struct drm_fb_helper *helper,
drm_framebuffer_put(&intel_fb->base);
intel_fb = ifbdev->fb = NULL;
}
if (!intel_fb || WARN_ON(!intel_fb_obj(&intel_fb->base))) {
if (!intel_fb || drm_WARN_ON(dev, !intel_fb_obj(&intel_fb->base))) {
DRM_DEBUG_KMS("no BIOS fb, allocating a new one\n");
ret = intelfb_alloc(helper, sizes);
if (ret)
@@ -410,9 +410,9 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
if (!crtc->state->active)
continue;
WARN(!crtc->primary->state->fb,
"re-used BIOS config but lost an fb on crtc %d\n",
crtc->base.id);
drm_WARN(dev, !crtc->primary->state->fb,
"re-used BIOS config but lost an fb on crtc %d\n",
crtc->base.id);
}
@@ -439,7 +439,8 @@ int intel_fbdev_init(struct drm_device *dev)
struct intel_fbdev *ifbdev;
int ret;
if (WARN_ON(!HAS_DISPLAY(dev_priv) || !INTEL_DISPLAY_ENABLED(dev_priv)))
if (drm_WARN_ON(dev, !HAS_DISPLAY(dev_priv) ||
!INTEL_DISPLAY_ENABLED(dev_priv)))
return -ENODEV;
ifbdev = kzalloc(sizeof(struct intel_fbdev), GFP_KERNEL);
@@ -569,7 +570,7 @@ void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous
* to all the printk activity. Try to keep it out of the hot
* path of resume if possible.
*/
WARN_ON(state != FBINFO_STATE_RUNNING);
drm_WARN_ON(dev, state != FBINFO_STATE_RUNNING);
if (!console_trylock()) {
/* Don't block our own workqueue as this can
* be run in parallel with other i915.ko tasks.