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drm/i915/display/crt: 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: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200128181603.27767-5-pankaj.laxminarayan.bharadiya@intel.com
This commit is contained in:
Pankaj Bharadiya 2020-01-28 23:45:46 +05:30 committed by Jani Nikula
parent 9a3b466bb8
commit 6a79c28936
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpu/drm/i915/display/intel_crt.c
View File

@ -230,7 +230,7 @@ static void hsw_disable_crt(struct intel_encoder *encoder,
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
WARN_ON(!old_crtc_state->has_pch_encoder);
drm_WARN_ON(&dev_priv->drm, !old_crtc_state->has_pch_encoder);
intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false);
}
@ -258,7 +258,7 @@ static void hsw_post_disable_crt(struct intel_encoder *encoder,
intel_ddi_fdi_post_disable(encoder, old_crtc_state, old_conn_state);
WARN_ON(!old_crtc_state->has_pch_encoder);
drm_WARN_ON(&dev_priv->drm, !old_crtc_state->has_pch_encoder);
intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true);
}
@ -269,7 +269,7 @@ static void hsw_pre_pll_enable_crt(struct intel_encoder *encoder,
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
WARN_ON(!crtc_state->has_pch_encoder);
drm_WARN_ON(&dev_priv->drm, !crtc_state->has_pch_encoder);
intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false);
}
@ -282,7 +282,7 @@ static void hsw_pre_enable_crt(struct intel_encoder *encoder,
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
enum pipe pipe = crtc->pipe;
WARN_ON(!crtc_state->has_pch_encoder);
drm_WARN_ON(&dev_priv->drm, !crtc_state->has_pch_encoder);
intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false);
@ -299,7 +299,7 @@ static void hsw_enable_crt(struct intel_encoder *encoder,
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
enum pipe pipe = crtc->pipe;
WARN_ON(!crtc_state->has_pch_encoder);
drm_WARN_ON(&dev_priv->drm, !crtc_state->has_pch_encoder);
intel_enable_pipe(crtc_state);