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@xxxxxxxxx> > > --- > > 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@xxxxxxxxx> 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 > > > > > >