On Thu, 20 Oct 2022, Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx> wrote:
> No functional change. Introduce dg2_cdclk_squash_programming and
> move squash_ctl register programming bits to this.
>
> Cc: Balasubramani Vivekanandan <balasubramani.vivekanandan@xxxxxxxxx>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Signed-off-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_cdclk.c | 23 +++++++++++++---------
> 1 file changed, 14 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
> index 8701796788e3..b692186c8f02 100644
> --- a/drivers/gpu/drm/i915/display/intel_cdclk.c
> +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
> @@ -1705,6 +1705,18 @@ static void bxt_cdclk_pll(struct drm_i915_private *i915, int vco)
>
> }
>
> +static void dg2_cdclk_squash_programming(struct drm_i915_private *i915,
> + u16 waveform)
Function names that are verbs should preferrably use the imperative
mood, i.e. program() instead of programmed(), programs() or
programming().
I'm also not sure "programming" or "program" is a very descriptive
thing; almost everything here is about "programming" something or other.
BR,
Jani.
> +{
> + u32 squash_ctl = 0;
> +
> + if (waveform)
> + squash_ctl = CDCLK_SQUASH_ENABLE |
> + CDCLK_SQUASH_WINDOW_SIZE(0xf) | waveform;
> +
> + intel_de_write(i915, CDCLK_SQUASH_CTL, squash_ctl);
> +}
> +
> static void bxt_set_cdclk(struct drm_i915_private *dev_priv,
> const struct intel_cdclk_config *cdclk_config,
> enum pipe pipe)
> @@ -1752,15 +1764,8 @@ static void bxt_set_cdclk(struct drm_i915_private *dev_priv,
> else
> clock = cdclk;
>
> - if (HAS_CDCLK_SQUASH(dev_priv)) {
> - u32 squash_ctl = 0;
> -
> - if (waveform)
> - squash_ctl = CDCLK_SQUASH_ENABLE |
> - CDCLK_SQUASH_WINDOW_SIZE(0xf) | waveform;
> -
> - intel_de_write(dev_priv, CDCLK_SQUASH_CTL, squash_ctl);
> - }
> + if (HAS_CDCLK_SQUASH(dev_priv))
> + dg2_cdclk_squash_programming(dev_priv, waveform);
>
> val = bxt_cdclk_cd2x_div_sel(dev_priv, clock, vco) |
> bxt_cdclk_cd2x_pipe(dev_priv, pipe) |
--
Jani Nikula, Intel Open Source Graphics Center
