On Tue, 23 May 2017, Puthikorn Voravootivat <puthik@xxxxxxxxxxxx> wrote:
> This patch adds the following definition
> - Bit mask for EDP_PWMGEN_BIT_COUNT and min/max cap
> register which only use bit 0:4
> - Base frequency (27 MHz) for backlight PWM frequency
> generator.
>
> Signed-off-by: Puthikorn Voravootivat <puthik@xxxxxxxxxxxx>
> Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
> ---
> include/drm/drm_dp_helper.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
> index c0bd0d7651a9..eaa307f6ae8c 100644
> --- a/include/drm/drm_dp_helper.h
> +++ b/include/drm/drm_dp_helper.h
> @@ -572,10 +572,12 @@
> #define DP_EDP_PWMGEN_BIT_COUNT 0x724
> #define DP_EDP_PWMGEN_BIT_COUNT_CAP_MIN 0x725
> #define DP_EDP_PWMGEN_BIT_COUNT_CAP_MAX 0x726
> +# define DP_EDP_PWMGEN_BIT_COUNT_MASK (0x1f << 0)
^^
Extra space crept in.
BR,
Jani.
>
> #define DP_EDP_BACKLIGHT_CONTROL_STATUS 0x727
>
> #define DP_EDP_BACKLIGHT_FREQ_SET 0x728
> +# define DP_EDP_BACKLIGHT_FREQ_BASE_KHZ 27000
>
> #define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_MSB 0x72a
> #define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_MID 0x72b
--
Jani Nikula, Intel Open Source Technology Center
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