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Message-ID: <Y8d42OYWpW03zdAi@ubun2204.myguest.virtualbox.org>
Date: Wed, 18 Jan 2023 10:13:04 +0530
From: Deepak R Varma <drv@...lo.com>
To: Rodrigo Vivi <rodrigo.vivi@...el.com>
Cc: Jani Nikula <jani.nikula@...ux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>,
intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org,
Praveen Kumar <kumarpraveen@...ux.microsoft.com>,
Saurabh Singh Sengar <ssengar@...rosoft.com>
Subject: Re: [PATCH] drm/i915/display: Convert i9xx_pipe_crc_auto_source to
void
On Tue, Jan 17, 2023 at 02:21:59PM -0500, Rodrigo Vivi wrote:
> On Sat, Jan 14, 2023 at 07:33:53PM +0530, Deepak R Varma wrote:
> > Convert function i9xx_pipe_crc_auto_source() to return void instead
> > of int since the current implementation always returns 0 to the caller.
> > Issue identified using returnvar Coccinelle semantic patch.
>
> could you please share the coccinelle commands and files you used here?
Hello Rodrigo,
I used following command to identify this change opportunity:
make coccicheck COCCI=scripts/coccinelle/misc/returnvar.cocci M=drivers/gpu/drm/
Let me know if you would like me to include the same in the commit message.
>
> >
> > Signed-off-by: Deepak R Varma <drv@...lo.com>
> > ---
> > Please note: The change is compile tested only.
>
> np, our CI liked it.
>
> I liked the clean up as well:
> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@...el.com>
Thank you for your review and the feedback.
Regards,
./drv
>
> >
> >
> > drivers/gpu/drm/i915/display/intel_pipe_crc.c | 23 ++++++-------------
> > 1 file changed, 7 insertions(+), 16 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_pipe_crc.c b/drivers/gpu/drm/i915/display/intel_pipe_crc.c
> > index e9774670e3f6..8d3ea8d7b737 100644
> > --- a/drivers/gpu/drm/i915/display/intel_pipe_crc.c
> > +++ b/drivers/gpu/drm/i915/display/intel_pipe_crc.c
> > @@ -72,14 +72,13 @@ static int i8xx_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source,
> > return 0;
> > }
> >
> > -static int i9xx_pipe_crc_auto_source(struct drm_i915_private *dev_priv,
> > - enum pipe pipe,
> > - enum intel_pipe_crc_source *source)
> > +static void i9xx_pipe_crc_auto_source(struct drm_i915_private *dev_priv,
> > + enum pipe pipe,
> > + enum intel_pipe_crc_source *source)
> > {
> > struct intel_encoder *encoder;
> > struct intel_crtc *crtc;
> > struct intel_digital_port *dig_port;
> > - int ret = 0;
> >
> > *source = INTEL_PIPE_CRC_SOURCE_PIPE;
> >
> > @@ -121,8 +120,6 @@ static int i9xx_pipe_crc_auto_source(struct drm_i915_private *dev_priv,
> > }
> > }
> > drm_modeset_unlock_all(&dev_priv->drm);
> > -
> > - return ret;
> > }
> >
> > static int vlv_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv,
> > @@ -132,11 +129,8 @@ static int vlv_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv,
> > {
> > bool need_stable_symbols = false;
> >
> > - if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) {
> > - int ret = i9xx_pipe_crc_auto_source(dev_priv, pipe, source);
> > - if (ret)
> > - return ret;
> > - }
> > + if (*source == INTEL_PIPE_CRC_SOURCE_AUTO)
> > + i9xx_pipe_crc_auto_source(dev_priv, pipe, source);
> >
> > switch (*source) {
> > case INTEL_PIPE_CRC_SOURCE_PIPE:
> > @@ -200,11 +194,8 @@ static int i9xx_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv,
> > enum intel_pipe_crc_source *source,
> > u32 *val)
> > {
> > - if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) {
> > - int ret = i9xx_pipe_crc_auto_source(dev_priv, pipe, source);
> > - if (ret)
> > - return ret;
> > - }
> > + if (*source == INTEL_PIPE_CRC_SOURCE_AUTO)
> > + i9xx_pipe_crc_auto_source(dev_priv, pipe, source);
> >
> > switch (*source) {
> > case INTEL_PIPE_CRC_SOURCE_PIPE:
> > --
> > 2.34.1
> >
> >
> >
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