On Thu, Nov 12, 2020 at 09:17:17PM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <[email protected]>
> 
> Collect up a bunch of derived state "readout" into
> a common helper, which we can call from both
> intel_encoder_get_config() and intel_crtc_get_pipe_config().
> 
> Signed-off-by: Ville Syrjälä <[email protected]>

Makes sense

Reviewed-by: Manasi Navare <[email protected]>

Manasi

> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 34 +++++++++++---------
>  1 file changed, 18 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
> b/drivers/gpu/drm/i915/display/intel_display.c
> index ebf621ff7ef6..07b8d945c41f 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -8162,10 +8162,26 @@ static void intel_crtc_compute_pixel_rate(struct 
> intel_crtc_state *crtc_state)
>                       ilk_pipe_pixel_rate(crtc_state);
>  }
>  
> +static void intel_crtc_readout_derived_state(struct intel_crtc_state 
> *crtc_state)
> +{
> +     struct drm_display_mode *mode = &crtc_state->hw.mode;
> +     struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
> +
> +     intel_mode_from_crtc_timings(adjusted_mode, adjusted_mode);
> +
> +     intel_crtc_compute_pixel_rate(crtc_state);
> +
> +     drm_mode_copy(mode, adjusted_mode);
> +     mode->hdisplay = crtc_state->pipe_src_w;
> +     mode->vdisplay = crtc_state->pipe_src_h;
> +}
> +
>  static void intel_encoder_get_config(struct intel_encoder *encoder,
>                                    struct intel_crtc_state *crtc_state)
>  {
>       encoder->get_config(encoder, crtc_state);
> +
> +     intel_crtc_readout_derived_state(crtc_state);
>  }
>  
>  static int intel_crtc_compute_config(struct intel_crtc *crtc,
> @@ -9046,9 +9062,6 @@ static void intel_get_pipe_src_size(struct intel_crtc 
> *crtc,
>       tmp = intel_de_read(dev_priv, PIPESRC(crtc->pipe));
>       pipe_config->pipe_src_h = (tmp & 0xffff) + 1;
>       pipe_config->pipe_src_w = ((tmp >> 16) & 0xffff) + 1;
> -
> -     pipe_config->hw.mode.vdisplay = pipe_config->pipe_src_h;
> -     pipe_config->hw.mode.hdisplay = pipe_config->pipe_src_w;
>  }
>  
>  static void i9xx_set_pipeconf(const struct intel_crtc_state *crtc_state)
> @@ -11417,6 +11430,8 @@ static bool intel_crtc_get_pipe_config(struct 
> intel_crtc_state *crtc_state)
>  
>       crtc_state->hw.active = true;
>  
> +     intel_crtc_readout_derived_state(crtc_state);
> +
>       return true;
>  }
>  
> @@ -14469,8 +14484,6 @@ verify_crtc_state(struct intel_crtc *crtc,
>                       intel_encoder_get_config(encoder, pipe_config);
>       }
>  
> -     intel_crtc_compute_pixel_rate(pipe_config);
> -
>       if (!new_crtc_state->hw.active)
>               return;
>  
> @@ -18839,15 +18852,6 @@ static void intel_modeset_readout_hw_state(struct 
> drm_device *dev)
>               int min_cdclk = 0;
>  
>               if (crtc_state->hw.active) {
> -                     struct drm_display_mode *mode = &crtc_state->hw.mode;
> -
> -                     
> intel_mode_from_crtc_timings(&crtc_state->hw.adjusted_mode,
> -                                                  
> &crtc_state->hw.adjusted_mode);
> -
> -                     *mode = crtc_state->hw.adjusted_mode;
> -                     mode->hdisplay = crtc_state->pipe_src_w;
> -                     mode->vdisplay = crtc_state->pipe_src_h;
> -
>                       /*
>                        * The initial mode needs to be set in order to keep
>                        * the atomic core happy. It wants a valid mode if the
> @@ -18859,8 +18863,6 @@ static void intel_modeset_readout_hw_state(struct 
> drm_device *dev)
>                        */
>                       crtc_state->inherited = true;
>  
> -                     intel_crtc_compute_pixel_rate(crtc_state);
> -
>                       intel_crtc_update_active_timings(crtc_state);
>  
>                       intel_crtc_copy_hw_to_uapi_state(crtc_state);
> -- 
> 2.26.2
> 
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