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From: Paulo Zanoni <paulo.r.zanoni@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: Re: ✗ Fi.CI.CHECKPATCH: warning for series starting with [1/4] drm/i915: kill intel_display_power_well_is_enabled()
Date: Wed, 08 Aug 2018 15:58:53 -0700	[thread overview]
Message-ID: <1533769133.2740.16.camel@intel.com> (raw)
In-Reply-To: <20180808222253.2288.15323@emeril.freedesktop.org>

Em Qua, 2018-08-08 às 22:22 +0000, Patchwork escreveu:
> == Series Details ==
> 
> Series: series starting with [1/4] drm/i915: kill
> intel_display_power_well_is_enabled()
> URL   : https://patchwork.freedesktop.org/series/47908/
> State : warning
> 
> == Summary ==
> 
> $ dim checkpatch origin/drm-tip
> 94cddb6f9752 drm/i915: kill intel_display_power_well_is_enabled()
> dfb09a8944b0 drm/i915: BUG() if we can't lookup_power_well()
> -:31: WARNING:AVOID_BUG: Avoid crashing the kernel - try using
> WARN_ON & recovery code rather than BUG() or BUG_ON()
> #31: FILE: drivers/gpu/drm/i915/intel_runtime_pm.c:1124:
> +	BUG();

See the commit message of patch 2, Mr. Robot. I don't think it's worth
adding checking code in the callers, and replacing the current null
pointer dereference with a BUG() is an improvement IMHO.

If anybody disagrees with this, please say so.

> 
> total: 0 errors, 1 warnings, 0 checks, 9 lines checked
> e5298551c379 drm/i915: use for_each_power_well in lookup_power_well()
> 942f90859025 drm/i915: move lookup_power_well() up
> -:40: WARNING:AVOID_BUG: Avoid crashing the kernel - try using
> WARN_ON & recovery code rather than BUG() or BUG_ON()
> #40: FILE: drivers/gpu/drm/i915/intel_runtime_pm.c:683:
> +	BUG();
> 
> total: 0 errors, 1 warnings, 0 checks, 50 lines checked
> 
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  reply	other threads:[~2018-08-08 22:58 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-08 22:16 [PATCH 1/4] drm/i915: kill intel_display_power_well_is_enabled() Paulo Zanoni
2018-08-08 22:16 ` [PATCH 2/4] drm/i915: BUG() if we can't lookup_power_well() Paulo Zanoni
2018-08-08 22:16 ` [PATCH 3/4] drm/i915: use for_each_power_well in lookup_power_well() Paulo Zanoni
2018-08-08 22:50   ` Souza, Jose
2018-08-08 22:16 ` [PATCH 4/4] drm/i915: move lookup_power_well() up Paulo Zanoni
2018-08-08 22:22 ` [PATCH 1/4] drm/i915: kill intel_display_power_well_is_enabled() Souza, Jose
2018-08-08 22:55   ` Paulo Zanoni
2018-08-08 22:22 ` ✗ Fi.CI.CHECKPATCH: warning for series starting with [1/4] " Patchwork
2018-08-08 22:58   ` Paulo Zanoni [this message]
2018-08-09  6:29     ` Michal Wajdeczko
2018-08-09 17:15       ` Paulo Zanoni
2018-08-08 22:38 ` ✓ Fi.CI.BAT: success " Patchwork
2018-08-09  1:16 ` ✓ Fi.CI.IGT: " Patchwork
2018-08-15 20:27 ` [PATCH 1/4] " Imre Deak
2018-08-17 23:41   ` Paulo Zanoni
2018-08-20 23:11     ` Paulo Zanoni
2018-08-21 11:12       ` Imre Deak
2018-08-21 19:54         ` Paulo Zanoni
2018-08-22 10:21           ` Imre Deak

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