i915 embeds struct drm_colorop inside struct intel_colorop, so the
default drm_colorop_destroy() helper cannot be used. Add an
intel_colorop_destroy() helper that performs common DRM cleanup and
frees intel_colorop object.

This ensures correct teardown of plane color pipeline objects.

Signed-off-by: Chaitanya Kumar Borah <[email protected]>
---
 drivers/gpu/drm/i915/display/intel_color_pipeline.c | 13 +++++++++----
 drivers/gpu/drm/i915/display/intel_colorop.c        |  6 ++++++
 drivers/gpu/drm/i915/display/intel_colorop.h        |  1 +
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_color_pipeline.c 
b/drivers/gpu/drm/i915/display/intel_color_pipeline.c
index d3d73d60727c..8fecc53540ba 100644
--- a/drivers/gpu/drm/i915/display/intel_color_pipeline.c
+++ b/drivers/gpu/drm/i915/display/intel_color_pipeline.c
@@ -13,6 +13,10 @@
 #define PLANE_DEGAMMA_SIZE 128
 #define PLANE_GAMMA_SIZE 32
 
+static const struct drm_colorop_funcs intel_colorop_funcs = {
+       .destroy = intel_colorop_destroy,
+};
+
 static
 int _intel_color_pipeline_plane_init(struct drm_plane *plane, struct 
drm_prop_enum_list *list,
                                     enum pipe pipe)
@@ -25,7 +29,7 @@ int _intel_color_pipeline_plane_init(struct drm_plane *plane, 
struct drm_prop_en
 
        colorop = intel_colorop_create(INTEL_PLANE_CB_PRE_CSC_LUT);
 
-       ret = drm_plane_colorop_curve_1d_lut_init(dev, &colorop->base, plane, 
NULL,
+       ret = drm_plane_colorop_curve_1d_lut_init(dev, &colorop->base, plane, 
&intel_colorop_funcs,
                                                  PLANE_DEGAMMA_SIZE,
                                                  
DRM_COLOROP_LUT1D_INTERPOLATION_LINEAR,
                                                  
DRM_COLOROP_FLAG_ALLOW_BYPASS);
@@ -39,7 +43,7 @@ int _intel_color_pipeline_plane_init(struct drm_plane *plane, 
struct drm_prop_en
        prev_op = &colorop->base;
 
        colorop = intel_colorop_create(INTEL_PLANE_CB_CSC);
-       ret = drm_plane_colorop_ctm_3x4_init(dev, &colorop->base, plane, NULL,
+       ret = drm_plane_colorop_ctm_3x4_init(dev, &colorop->base, plane, 
&intel_colorop_funcs,
                                             DRM_COLOROP_FLAG_ALLOW_BYPASS);
        if (ret)
                return ret;
@@ -52,7 +56,8 @@ int _intel_color_pipeline_plane_init(struct drm_plane *plane, 
struct drm_prop_en
            plane->type == DRM_PLANE_TYPE_PRIMARY) {
                colorop = intel_colorop_create(INTEL_PLANE_CB_3DLUT);
 
-               ret = drm_plane_colorop_3dlut_init(dev, &colorop->base, plane, 
NULL, 17,
+               ret = drm_plane_colorop_3dlut_init(dev, &colorop->base, plane,
+                                                  &intel_colorop_funcs, 17,
                                                   
DRM_COLOROP_LUT3D_INTERPOLATION_TETRAHEDRAL,
                                                   true);
                if (ret)
@@ -64,7 +69,7 @@ int _intel_color_pipeline_plane_init(struct drm_plane *plane, 
struct drm_prop_en
        }
 
        colorop = intel_colorop_create(INTEL_PLANE_CB_POST_CSC_LUT);
-       ret = drm_plane_colorop_curve_1d_lut_init(dev, &colorop->base, plane, 
NULL,
+       ret = drm_plane_colorop_curve_1d_lut_init(dev, &colorop->base, plane, 
&intel_colorop_funcs,
                                                  PLANE_GAMMA_SIZE,
                                                  
DRM_COLOROP_LUT1D_INTERPOLATION_LINEAR,
                                                  
DRM_COLOROP_FLAG_ALLOW_BYPASS);
diff --git a/drivers/gpu/drm/i915/display/intel_colorop.c 
b/drivers/gpu/drm/i915/display/intel_colorop.c
index f2fc0d8780ce..fae4383f8518 100644
--- a/drivers/gpu/drm/i915/display/intel_colorop.c
+++ b/drivers/gpu/drm/i915/display/intel_colorop.c
@@ -33,3 +33,9 @@ struct intel_colorop *intel_colorop_create(enum 
intel_color_block id)
 
        return colorop;
 }
+
+void intel_colorop_destroy(struct drm_colorop *colorop)
+{
+       drm_colorop_cleanup(colorop);
+       kfree(to_intel_colorop(colorop));
+}
diff --git a/drivers/gpu/drm/i915/display/intel_colorop.h 
b/drivers/gpu/drm/i915/display/intel_colorop.h
index 21d58eb9f3d0..79824506bbab 100644
--- a/drivers/gpu/drm/i915/display/intel_colorop.h
+++ b/drivers/gpu/drm/i915/display/intel_colorop.h
@@ -11,5 +11,6 @@
 struct intel_colorop *to_intel_colorop(struct drm_colorop *colorop);
 struct intel_colorop *intel_colorop_alloc(void);
 struct intel_colorop *intel_colorop_create(enum intel_color_block id);
+void intel_colorop_destroy(struct drm_colorop *colorop);
 
 #endif /* __INTEL_COLOROP_H__ */
-- 
2.25.1

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