Re: [PATCH 03/14] drm/i915/display: Use joined pipes in intel_mode_valid_max_plane_size

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On Fri, Sep 06, 2024 at 06:27:56PM +0530, Ankit Nautiyal wrote:
> In preparation of ultrajoiner, use number of joined pipes in the
> intel_mode_valid_max_plane_size helper, instead of joiner flag.
> 
> Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
> Reviewed-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 4 ++--
>  drivers/gpu/drm/i915/display/intel_display.h | 3 ++-
>  drivers/gpu/drm/i915/display/intel_dp.c      | 2 +-
>  drivers/gpu/drm/i915/display/intel_dp_mst.c  | 2 +-
>  drivers/gpu/drm/i915/display/intel_dsi.c     | 2 +-
>  drivers/gpu/drm/i915/display/intel_hdmi.c    | 2 +-
>  6 files changed, 8 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 82492ee6c2e6..257e479310c2 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -8088,7 +8088,7 @@ enum drm_mode_status intel_cpu_transcoder_mode_valid(struct drm_i915_private *de
>  enum drm_mode_status
>  intel_mode_valid_max_plane_size(struct drm_i915_private *dev_priv,
>  				const struct drm_display_mode *mode,
> -				bool joiner)
> +				enum intel_joiner_pipe_count joined_pipes)

Make that 'int num_joined_pipes' everywhere and I think the results
will be far less confusing.

>  {
>  	int plane_width_max, plane_height_max;
>  
> @@ -8105,7 +8105,7 @@ intel_mode_valid_max_plane_size(struct drm_i915_private *dev_priv,
>  	 * too big for that.
>  	 */
>  	if (DISPLAY_VER(dev_priv) >= 11) {
> -		plane_width_max = 5120 << joiner;
> +		plane_width_max = 5120 << joined_pipes / 2;

5120 * num_joined_pipes

>  		plane_height_max = 4320;
>  	} else {
>  		plane_width_max = 5120;
> diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h
> index 3b90c5190d65..c0f8bb7e5095 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.h
> +++ b/drivers/gpu/drm/i915/display/intel_display.h
> @@ -31,6 +31,7 @@
>  #include "intel_display_limits.h"
>  
>  enum drm_scaling_filter;
> +enum intel_joiner_pipe_count;
>  struct dpll;
>  struct drm_atomic_state;
>  struct drm_connector;
> @@ -415,7 +416,7 @@ u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv,
>  enum drm_mode_status
>  intel_mode_valid_max_plane_size(struct drm_i915_private *dev_priv,
>  				const struct drm_display_mode *mode,
> -				bool joiner);
> +				enum intel_joiner_pipe_count joined_pipes);
>  enum drm_mode_status
>  intel_cpu_transcoder_mode_valid(struct drm_i915_private *i915,
>  				const struct drm_display_mode *mode);
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index f95b62a026b6..71f33470f7a8 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -1402,7 +1402,7 @@ intel_dp_mode_valid(struct drm_connector *_connector,
>  	if (status != MODE_OK)
>  		return status;
>  
> -	return intel_mode_valid_max_plane_size(dev_priv, mode, joiner);
> +	return intel_mode_valid_max_plane_size(dev_priv, mode, joined_pipes);
>  }
>  
>  bool intel_dp_source_supports_tps3(struct drm_i915_private *i915)
> diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> index d3ff22f53fd5..9aae14a2ed15 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> @@ -1525,7 +1525,7 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector,
>  		return 0;
>  	}
>  
> -	*status = intel_mode_valid_max_plane_size(dev_priv, mode, joiner);
> +	*status = intel_mode_valid_max_plane_size(dev_priv, mode, joined_pipes);
>  	return 0;
>  }
>  
> diff --git a/drivers/gpu/drm/i915/display/intel_dsi.c b/drivers/gpu/drm/i915/display/intel_dsi.c
> index bd5888ce4852..92b3aa25366a 100644
> --- a/drivers/gpu/drm/i915/display/intel_dsi.c
> +++ b/drivers/gpu/drm/i915/display/intel_dsi.c
> @@ -76,7 +76,7 @@ enum drm_mode_status intel_dsi_mode_valid(struct drm_connector *connector,
>  	if (fixed_mode->clock > max_dotclk)
>  		return MODE_CLOCK_HIGH;
>  
> -	return intel_mode_valid_max_plane_size(dev_priv, mode, false);
> +	return intel_mode_valid_max_plane_size(dev_priv, mode, INTEL_NONE_JOINER_PIPES);
>  }
>  
>  struct intel_dsi_host *intel_dsi_host_init(struct intel_dsi *intel_dsi,
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index 869fa00f7ef2..21b72a0bddea 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -2057,7 +2057,7 @@ intel_hdmi_mode_valid(struct drm_connector *connector,
>  			return status;
>  	}
>  
> -	return intel_mode_valid_max_plane_size(dev_priv, mode, false);
> +	return intel_mode_valid_max_plane_size(dev_priv, mode, INTEL_NONE_JOINER_PIPES);
>  }
>  
>  bool intel_hdmi_bpc_possible(const struct intel_crtc_state *crtc_state,
> -- 
> 2.45.2

-- 
Ville Syrjälä
Intel



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