On Fri, 12 Apr 2024, Animesh Manna <animesh.manna@xxxxxxxxx> wrote:
> Set the Link Off Between Frames Enable bit in ALPM_CTL register.
>
> Signed-off-by: Animesh Manna <animesh.manna@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_alpm.c | 5 +++++
> drivers/gpu/drm/i915/display/intel_display_types.h | 1 +
> 2 files changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_alpm.c b/drivers/gpu/drm/i915/display/intel_alpm.c
> index 699f2f051766..ae894c85233c 100644
> --- a/drivers/gpu/drm/i915/display/intel_alpm.c
> +++ b/drivers/gpu/drm/i915/display/intel_alpm.c
> @@ -325,6 +325,11 @@ static void lnl_alpm_configure(struct intel_dp *intel_dp)
> ALPM_CTL_EXTENDED_FAST_WAKE_TIME(intel_dp->alpm_parameters.fast_wake_lines);
> }
>
> + if (intel_dp->lobf_supported) {
> + alpm_ctl |= ALPM_CTL_LOBF_ENABLE;
> + intel_dp->lobf_enabled = true;
Gut feeling says this should not be part of intel_dp but rather crtc
state.
BR,
Jani.
> + }
> +
> alpm_ctl |= ALPM_CTL_ALPM_ENTRY_CHECK(intel_dp->alpm_parameters.check_entry_lines);
>
> intel_de_write(dev_priv, ALPM_CTL(cpu_transcoder), alpm_ctl);
> diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
> index 6116c383b543..f61ba582429b 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> @@ -1884,6 +1884,7 @@ struct intel_dp {
>
> /* LOBF flags*/
> bool lobf_supported;
> + bool lobf_enabled;
> };
>
> enum lspcon_vendor {
--
Jani Nikula, Intel
