drm/i915/display/display_power: Prefer drm_WARN_ON over WARN_ON

struct drm_device specific drm_WARN* macros include device information
in the backtrace, so we know what device the warnings originate from.

Prefer drm_WARN_ON over WARN_ON at places where struct i915_power_domains
struct is available.

Conversion is done with below sementic patch:

@@
identifier func, T;
@@
func(struct i915_power_domains *T,...) {
+ struct drm_i915_private *i915 = container_of(T, struct drm_i915_private, power_domains);
<+...
-WARN_ON(
+drm_WARN_ON(&i915->drm,
...)
...+>

}

changes since v1:
- Fix commit subject (Jani)

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/20200504181600.18503-2-pankaj.laxminarayan.bharadiya@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 7a82139..7762e5d 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -1943,22 +1943,29 @@ static u64 __async_put_domains_mask(struct i915_power_domains *power_domains)
 static bool
 assert_async_put_domain_masks_disjoint(struct i915_power_domains *power_domains)
 {
-       return !WARN_ON(power_domains->async_put_domains[0] &
-                       power_domains->async_put_domains[1]);
+       struct drm_i915_private *i915 = container_of(power_domains,
+                                                    struct drm_i915_private,
+                                                    power_domains);
+       return !drm_WARN_ON(&i915->drm, power_domains->async_put_domains[0] &
+                           power_domains->async_put_domains[1]);
 }
 
 static bool
 __async_put_domains_state_ok(struct i915_power_domains *power_domains)
 {
+       struct drm_i915_private *i915 = container_of(power_domains,
+                                                    struct drm_i915_private,
+                                                    power_domains);
        enum intel_display_power_domain domain;
        bool err = false;
 
        err |= !assert_async_put_domain_masks_disjoint(power_domains);
-       err |= WARN_ON(!!power_domains->async_put_wakeref !=
-                      !!__async_put_domains_mask(power_domains));
+       err |= drm_WARN_ON(&i915->drm, !!power_domains->async_put_wakeref !=
+                          !!__async_put_domains_mask(power_domains));
 
        for_each_power_domain(domain, __async_put_domains_mask(power_domains))
-               err |= WARN_ON(power_domains->domain_use_count[domain] != 1);
+               err |= drm_WARN_ON(&i915->drm,
+                                  power_domains->domain_use_count[domain] != 1);
 
        return !err;
 }
@@ -2200,11 +2207,14 @@ static void
 queue_async_put_domains_work(struct i915_power_domains *power_domains,
                             intel_wakeref_t wakeref)
 {
-       WARN_ON(power_domains->async_put_wakeref);
+       struct drm_i915_private *i915 = container_of(power_domains,
+                                                    struct drm_i915_private,
+                                                    power_domains);
+       drm_WARN_ON(&i915->drm, power_domains->async_put_wakeref);
        power_domains->async_put_wakeref = wakeref;
-       WARN_ON(!queue_delayed_work(system_unbound_wq,
-                                   &power_domains->async_put_work,
-                                   msecs_to_jiffies(100)));
+       drm_WARN_ON(&i915->drm, !queue_delayed_work(system_unbound_wq,
+                                                   &power_domains->async_put_work,
+                                                   msecs_to_jiffies(100)));
 }
 
 static void
@@ -4365,6 +4375,9 @@ __set_power_wells(struct i915_power_domains *power_domains,
                  const struct i915_power_well_desc *power_well_descs,
                  int power_well_count)
 {
+       struct drm_i915_private *i915 = container_of(power_domains,
+                                                    struct drm_i915_private,
+                                                    power_domains);
        u64 power_well_ids = 0;
        int i;
 
@@ -4384,8 +4397,8 @@ __set_power_wells(struct i915_power_domains *power_domains,
                if (id == DISP_PW_ID_NONE)
                        continue;
 
-               WARN_ON(id >= sizeof(power_well_ids) * 8);
-               WARN_ON(power_well_ids & BIT_ULL(id));
+               drm_WARN_ON(&i915->drm, id >= sizeof(power_well_ids) * 8);
+               drm_WARN_ON(&i915->drm, power_well_ids & BIT_ULL(id));
                power_well_ids |= BIT_ULL(id);
        }