> -----Original Message-----
> From: Intel-gfx <[email protected]> On Behalf Of Ville 
> Syrjala
> Sent: Friday, February 9, 2024 8:38 PM
> To: [email protected]
> Subject: [PATCH 1/5] drm/i915: Fix PLL state check for gmch platforms
> 
> From: Ville Syrjälä <[email protected]>
> 
> GMCH DPLL state check was mistakenly removed in commit 87fc875a2b85 
> ("drm/i915/dg2: Skip shared DPLL handling").
> Bring it back.
> 

Reviewed-by: Mika Kahola <[email protected]>

> Signed-off-by: Ville Syrjälä <[email protected]>
> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
> b/drivers/gpu/drm/i915/display/intel_display.c
> index 7db0655d8c9e..f20728b7f67b 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -5215,9 +5215,11 @@ intel_pipe_config_compare(const struct 
> intel_crtc_state *current_config,
> 
>       PIPE_CONF_CHECK_BOOL(double_wide);
> 
> -     if (dev_priv->display.dpll.mgr) {
> +     if (dev_priv->display.dpll.mgr)
>               PIPE_CONF_CHECK_P(shared_dpll);
> 
> +     /* FIXME convert everything over the dpll_mgr */
> +     if (dev_priv->display.dpll.mgr || HAS_GMCH(dev_priv)) {
>               PIPE_CONF_CHECK_X(dpll_hw_state.dpll);
>               PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md);
>               PIPE_CONF_CHECK_X(dpll_hw_state.fp0);
> --
> 2.43.0

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