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SubjectRe: [PATCH] drm/i915/display: Convert i9xx_pipe_crc_auto_source to void
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?

>
> Signed-off-by: Deepak R Varma <drv@mailo.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@intel.com>

>
>
> 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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