drm/i915/gvt: 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. checkpatch errors/warnings are fixed manually.

@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: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200220165507.16823-8-pankaj.laxminarayan.bharadiya@intel.com

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index 21a176cd8acc..73a2891114a4 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -1230,7 +1230,7 @@ static int gen8_decode_mi_display_flip(struct parser_exec_state *s,
 	dword2 = cmd_val(s, 2);
 
 	v = (dword0 & GENMASK(21, 19)) >> 19;
-	if (WARN_ON(v >= ARRAY_SIZE(gen8_plane_code)))
+	if (drm_WARN_ON(&dev_priv->drm, v >= ARRAY_SIZE(gen8_plane_code)))
 		return -EBADRQC;
 
 	info->pipe = gen8_plane_code[v].pipe;
@@ -1250,7 +1250,7 @@ static int gen8_decode_mi_display_flip(struct parser_exec_state *s,
 		info->stride_reg = SPRSTRIDE(info->pipe);
 		info->surf_reg = SPRSURF(info->pipe);
 	} else {
-		WARN_ON(1);
+		drm_WARN_ON(&dev_priv->drm, 1);
 		return -EBADRQC;
 	}
 	return 0;