[v5 09/24] drm/i915/color: Add helper to create intel colorop

[Jani Nikula]

On Wed, 02 Jul 2025, Uma Shankar <uma.shankar at intel.com> wrote:
> From: Chaitanya Kumar Borah <chaitanya.kumar.borah at intel.com>
>
> Add intel colorop create helper
>
> Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah at intel.com>
> Signed-off-by: Uma Shankar <uma.shankar at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_color.c | 39 ++++++++++++++++++++++
>  drivers/gpu/drm/i915/display/intel_color.h |  3 ++
>  2 files changed, 42 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c
> index 671db6926e4c..5f38a5ff541c 100644
> --- a/drivers/gpu/drm/i915/display/intel_color.c
> +++ b/drivers/gpu/drm/i915/display/intel_color.c
> @@ -3962,6 +3962,45 @@ static const struct intel_color_funcs ilk_color_funcs = {
>  	.get_config = ilk_get_config,
>  };
>  
> +/* TODO: Move to another file */
> +struct intel_plane_colorop *intel_colorop_alloc(void)
> +{
> +	struct intel_plane_colorop *colorop;
> +	struct intel_plane_colorop_state *colorop_state;
> +
> +	colorop = kzalloc(sizeof(*colorop), GFP_KERNEL);
> +	if (!colorop)
> +		return ERR_PTR(-ENOMEM);
> +
> +	colorop_state = kzalloc(sizeof(*colorop_state), GFP_KERNEL);
> +	if (!colorop_state) {
> +		kfree(colorop);
> +		return ERR_PTR(-ENOMEM);
> +	}
> +
> +	/* TODO: Add color op reset
> +	 * intel_colorop_state_reset(plane_state, plane);
> +	 */
> +
> +	colorop->base.state = &colorop_state->uapi;
> +
> +	return colorop;
> +}
> +
> +struct intel_plane_colorop *intel_plane_colorop_create(enum intel_color_block id)
> +{
> +	struct intel_plane_colorop *colorop;
> +
> +	colorop = intel_colorop_alloc();
> +
> +	if (IS_ERR(colorop))
> +		return colorop;
> +
> +	colorop->id = id;
> +
> +	return colorop;
> +}
> +
>  void intel_color_crtc_init(struct intel_crtc *crtc)
>  {
>  	struct intel_display *display = to_intel_display(crtc);
> diff --git a/drivers/gpu/drm/i915/display/intel_color.h b/drivers/gpu/drm/i915/display/intel_color.h
> index bf7a12ce9df0..f3c7cd694b99 100644
> --- a/drivers/gpu/drm/i915/display/intel_color.h
> +++ b/drivers/gpu/drm/i915/display/intel_color.h
> @@ -14,6 +14,7 @@ struct intel_crtc;
>  struct intel_display;
>  struct intel_dsb;
>  struct drm_property_blob;
> +enum intel_color_block;
>  
>  void intel_color_init_hooks(struct intel_display *display);
>  int intel_color_init(struct intel_display *display);
> @@ -40,5 +41,7 @@ bool intel_color_lut_equal(const struct intel_crtc_state *crtc_state,
>  			   const struct drm_property_blob *blob2,
>  			   bool is_pre_csc_lut);
>  void intel_color_assert_luts(const struct intel_crtc_state *crtc_state);
> +struct intel_plane_colorop *intel_colorop_alloc(void);
> +struct intel_plane_colorop *intel_plane_colorop_create(enum intel_color_block id);

The naming seems inconsistent.

>  
>  #endif /* __INTEL_COLOR_H__ */

-- 
Jani Nikula, Intel