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

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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,
...)
)
...+>
}

command: ls drivers/gpu/drm/i915/*.c | xargs spatch --sp-file \
			<script> --linux-spacing --in-place

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/20200115034455.17658-10-pankaj.laxminarayan.bharadiya@intel.com
This commit is contained in:
Pankaj Bharadiya
2020-01-15 09:14:53 +05:30
committed by Jani Nikula
parent 0d4c351a0f
commit 48a1b8d4af
9 changed files with 118 additions and 92 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
drivers/gpu/drm/i915/intel_pch.c
View File

@@ -13,91 +13,106 @@ intel_pch_type(const struct drm_i915_private *dev_priv, unsigned short id)
switch (id) {
case INTEL_PCH_IBX_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found Ibex Peak PCH\n");
WARN_ON(!IS_GEN(dev_priv, 5));
drm_WARN_ON(&dev_priv->drm, !IS_GEN(dev_priv, 5));
return PCH_IBX;
case INTEL_PCH_CPT_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found CougarPoint PCH\n");
WARN_ON(!IS_GEN(dev_priv, 6) && !IS_IVYBRIDGE(dev_priv));
drm_WARN_ON(&dev_priv->drm,
!IS_GEN(dev_priv, 6) && !IS_IVYBRIDGE(dev_priv));
return PCH_CPT;
case INTEL_PCH_PPT_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found PantherPoint PCH\n");
WARN_ON(!IS_GEN(dev_priv, 6) && !IS_IVYBRIDGE(dev_priv));
drm_WARN_ON(&dev_priv->drm,
!IS_GEN(dev_priv, 6) && !IS_IVYBRIDGE(dev_priv));
/* PantherPoint is CPT compatible */
return PCH_CPT;
case INTEL_PCH_LPT_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found LynxPoint PCH\n");
WARN_ON(!IS_HASWELL(dev_priv) && !IS_BROADWELL(dev_priv));
WARN_ON(IS_HSW_ULT(dev_priv) || IS_BDW_ULT(dev_priv));
drm_WARN_ON(&dev_priv->drm,
!IS_HASWELL(dev_priv) && !IS_BROADWELL(dev_priv));
drm_WARN_ON(&dev_priv->drm,
IS_HSW_ULT(dev_priv) || IS_BDW_ULT(dev_priv));
return PCH_LPT;
case INTEL_PCH_LPT_LP_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found LynxPoint LP PCH\n");
WARN_ON(!IS_HASWELL(dev_priv) && !IS_BROADWELL(dev_priv));
WARN_ON(!IS_HSW_ULT(dev_priv) && !IS_BDW_ULT(dev_priv));
drm_WARN_ON(&dev_priv->drm,
!IS_HASWELL(dev_priv) && !IS_BROADWELL(dev_priv));
drm_WARN_ON(&dev_priv->drm,
!IS_HSW_ULT(dev_priv) && !IS_BDW_ULT(dev_priv));
return PCH_LPT;
case INTEL_PCH_WPT_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found WildcatPoint PCH\n");
WARN_ON(!IS_HASWELL(dev_priv) && !IS_BROADWELL(dev_priv));
WARN_ON(IS_HSW_ULT(dev_priv) || IS_BDW_ULT(dev_priv));
drm_WARN_ON(&dev_priv->drm,
!IS_HASWELL(dev_priv) && !IS_BROADWELL(dev_priv));
drm_WARN_ON(&dev_priv->drm,
IS_HSW_ULT(dev_priv) || IS_BDW_ULT(dev_priv));
/* WildcatPoint is LPT compatible */
return PCH_LPT;
case INTEL_PCH_WPT_LP_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found WildcatPoint LP PCH\n");
WARN_ON(!IS_HASWELL(dev_priv) && !IS_BROADWELL(dev_priv));
WARN_ON(!IS_HSW_ULT(dev_priv) && !IS_BDW_ULT(dev_priv));
drm_WARN_ON(&dev_priv->drm,
!IS_HASWELL(dev_priv) && !IS_BROADWELL(dev_priv));
drm_WARN_ON(&dev_priv->drm,
!IS_HSW_ULT(dev_priv) && !IS_BDW_ULT(dev_priv));
/* WildcatPoint is LPT compatible */
return PCH_LPT;
case INTEL_PCH_SPT_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found SunrisePoint PCH\n");
WARN_ON(!IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv));
drm_WARN_ON(&dev_priv->drm,
!IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv));
return PCH_SPT;
case INTEL_PCH_SPT_LP_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found SunrisePoint LP PCH\n");
WARN_ON(!IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv) &&
!IS_COFFEELAKE(dev_priv));
drm_WARN_ON(&dev_priv->drm,
!IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv) &&
!IS_COFFEELAKE(dev_priv));
return PCH_SPT;
case INTEL_PCH_KBP_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found Kaby Lake PCH (KBP)\n");
WARN_ON(!IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv) &&
!IS_COFFEELAKE(dev_priv));
drm_WARN_ON(&dev_priv->drm,
!IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv) &&
!IS_COFFEELAKE(dev_priv));
/* KBP is SPT compatible */
return PCH_SPT;
case INTEL_PCH_CNP_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found Cannon Lake PCH (CNP)\n");
WARN_ON(!IS_CANNONLAKE(dev_priv) && !IS_COFFEELAKE(dev_priv));
drm_WARN_ON(&dev_priv->drm, !IS_CANNONLAKE(dev_priv) &&
!IS_COFFEELAKE(dev_priv));
return PCH_CNP;
case INTEL_PCH_CNP_LP_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm,
"Found Cannon Lake LP PCH (CNP-LP)\n");
WARN_ON(!IS_CANNONLAKE(dev_priv) && !IS_COFFEELAKE(dev_priv));
drm_WARN_ON(&dev_priv->drm, !IS_CANNONLAKE(dev_priv) &&
!IS_COFFEELAKE(dev_priv));
return PCH_CNP;
case INTEL_PCH_CMP_DEVICE_ID_TYPE:
case INTEL_PCH_CMP2_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found Comet Lake PCH (CMP)\n");
WARN_ON(!IS_COFFEELAKE(dev_priv));
drm_WARN_ON(&dev_priv->drm, !IS_COFFEELAKE(dev_priv));
/* CometPoint is CNP Compatible */
return PCH_CNP;
case INTEL_PCH_CMP_V_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found Comet Lake V PCH (CMP-V)\n");
WARN_ON(!IS_COFFEELAKE(dev_priv));
drm_WARN_ON(&dev_priv->drm, !IS_COFFEELAKE(dev_priv));
/* Comet Lake V PCH is based on KBP, which is SPT compatible */
return PCH_SPT;
case INTEL_PCH_ICP_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found Ice Lake PCH\n");
WARN_ON(!IS_ICELAKE(dev_priv));
drm_WARN_ON(&dev_priv->drm, !IS_ICELAKE(dev_priv));
return PCH_ICP;
case INTEL_PCH_MCC_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found Mule Creek Canyon PCH\n");
WARN_ON(!IS_ELKHARTLAKE(dev_priv));
drm_WARN_ON(&dev_priv->drm, !IS_ELKHARTLAKE(dev_priv));
return PCH_MCC;
case INTEL_PCH_TGP_DEVICE_ID_TYPE:
case INTEL_PCH_TGP2_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found Tiger Lake LP PCH\n");
WARN_ON(!IS_TIGERLAKE(dev_priv));
drm_WARN_ON(&dev_priv->drm, !IS_TIGERLAKE(dev_priv));
return PCH_TGP;
case INTEL_PCH_JSP_DEVICE_ID_TYPE:
case INTEL_PCH_JSP2_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found Jasper Lake PCH\n");
WARN_ON(!IS_ELKHARTLAKE(dev_priv));
drm_WARN_ON(&dev_priv->drm, !IS_ELKHARTLAKE(dev_priv));
return PCH_JSP;
default:
return PCH_NONE;
@@ -188,7 +203,8 @@ void intel_detect_pch(struct drm_i915_private *dev_priv)
pch_type = intel_pch_type(dev_priv, id);
/* Sanity check virtual PCH id */
if (WARN_ON(id && pch_type == PCH_NONE))
if (drm_WARN_ON(&dev_priv->drm,
id && pch_type == PCH_NONE))
id = 0;
dev_priv->pch_type = pch_type;