Re: [PATCH RESEND] drm/i915: Fix pipe/transcoder enum mismatches

From: Matthias Kaehlcke <mka@chromium.org>
To: Daniel Vetter <daniel.vetter@intel.com>,
	Jani Nikula <jani.nikula@linux.intel.com>,
	David Airlie <airlied@linux.ie>
Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
	linux-kernel@vger.kernel.org,
	Grant Grundler <grundler@chromium.org>,
	Greg Hackmann <ghackmann@google.com>,
	Michael Davidson <md@google.com>
Subject: Re: [PATCH RESEND] drm/i915: Fix pipe/transcoder enum mismatches
Date: Fri, 5 May 2017 10:26:36 -0700	[thread overview]
Message-ID: <20170505172636.GA128305@google.com> (raw)
In-Reply-To: <20170420215605.176722-1-mka@chromium.org>

El Thu, Apr 20, 2017 at 02:56:05PM -0700 Matthias Kaehlcke ha dit:

> In several instances the driver passes an 'enum pipe' value to a
> function expecting an 'enum transcoder' and viceversa. Since PIPE_x and
> TRANSCODER_x have the same values this doesn't cause functional
> problems. Still it is incorrect and causes clang to generate warnings
> like this:
> 
> drivers/gpu/drm/i915/intel_display.c:1844:34: warning: implicit
>   conversion from enumeration type 'enum transcoder' to different
>   enumeration type 'enum pipe' [-Wenum-conversion]
>     assert_fdi_rx_enabled(dev_priv, TRANSCODER_A);
> 
> Change the code to pass values of the type expected by the callee.
> 
> Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
> ---
>  drivers/gpu/drm/i915/intel_display.c | 4 ++--
>  drivers/gpu/drm/i915/intel_dp.c      | 6 ++++--
>  drivers/gpu/drm/i915/intel_hdmi.c    | 6 ++++--
>  drivers/gpu/drm/i915/intel_sdvo.c    | 6 ++++--
>  4 files changed, 14 insertions(+), 8 deletions(-)

Ping, any comments on this patch?

(also excuses for the unintended use of the RESEND tag)

Cheers

Matthias