On Fri, 25 Mar 2022, Ville Syrjala wrote:
> From: Ville Syrjälä
>
> Clear the dpll_hw_state when we're about disable the pipe.
> Previously it looks like we just left the old junk in there.
>
> Signed-off-by: Ville Syrjälä
Reviewed-by: Jani Nikula
> ---
> drivers/gpu/drm/i915/display/intel_dpll.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c
> b/drivers/gpu/drm/i915/display/intel_dpll.c
> index 494a343850e7..7960f1d52eaa 100644
> --- a/drivers/gpu/drm/i915/display/intel_dpll.c
> +++ b/drivers/gpu/drm/i915/display/intel_dpll.c
> @@ -1406,12 +1406,12 @@ int intel_dpll_crtc_compute_clock(struct
> intel_atomic_state *state,
> if (drm_WARN_ON(>drm, crtc_state->shared_dpll))
> return 0;
>
> - if (!crtc_state->hw.enable)
> - return 0;
> -
> memset(_state->dpll_hw_state, 0,
> sizeof(crtc_state->dpll_hw_state));
>
> + if (!crtc_state->hw.enable)
> + return 0;
> +
> return i915->dpll_funcs->crtc_compute_clock(state, crtc);
> }
--
Jani Nikula, Intel Open Source Graphics Center
