On Fri, Jan 19, 2018 at 06:48:12PM +0000, Paulo Zanoni wrote:
> From: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
>
> ICP has two backlight controllers - similar to previous platforms like
> BXT -, but we only use one controller for now, so we can just reuse
> the CNP code.
>
> v2: Remove the usage of ICP_SECOND_PPS_BACKLIGHT register.(Jani)
> Reuse CNP code since it is very similar.(Ville)
> v3 (from Paulo): Rebase.
> v4 (from Paulo): adjust commit message (James) and comment (Rodrigo).
thanks
x
Acked-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
> Cc: Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx>
> Cc: James Ausmus <james.ausmus@xxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
> Signed-off-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_panel.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
> index fa6831f8c004..e702a6487aa9 100644
> --- a/drivers/gpu/drm/i915/intel_panel.c
> +++ b/drivers/gpu/drm/i915/intel_panel.c
> @@ -1719,9 +1719,9 @@ cnp_setup_backlight(struct intel_connector *connector, enum pipe unused)
> u32 pwm_ctl, val;
>
> /*
> - * CNP has the BXT implementation of backlight, but with only
> - * one controller. Future platforms could have multiple controllers
> - * so let's make this extensible and prepared for the future.
> + * CNP has the BXT implementation of backlight, but with only one
> + * controller. TODO: ICP has multiple controllers but we only use
> + * controller 0 for now.
> */
> panel->backlight.controller = 0;
>
> @@ -1865,7 +1865,7 @@ intel_panel_init_backlight_funcs(struct intel_panel *panel)
> panel->backlight.set = bxt_set_backlight;
> panel->backlight.get = bxt_get_backlight;
> panel->backlight.hz_to_pwm = bxt_hz_to_pwm;
> - } else if (HAS_PCH_CNP(dev_priv)) {
> + } else if (HAS_PCH_CNP(dev_priv) || HAS_PCH_ICP(dev_priv)) {
> panel->backlight.setup = cnp_setup_backlight;
> panel->backlight.enable = cnp_enable_backlight;
> panel->backlight.disable = cnp_disable_backlight;
> --
> 2.14.3
>
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