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25 #include <drm/drm_color_mgmt.h>
26 #include <drm/drm_mode.h>
27 #include <drm/drm_property.h>
29 #include <nvif/class.h>
32 nv50_lut_load(struct nv50_lut *lut, int buffer, struct drm_property_blob *blob,
33 void (*load)(struct drm_color_lut *, int, void __iomem *))
35 struct drm_color_lut *in = blob ? blob->data : NULL;
36 void __iomem *mem = lut->mem[buffer].object.map.ptr;
37 const u32 addr = lut->mem[buffer].addr;
41 in = kvmalloc_array(1024, sizeof(*in), GFP_KERNEL);
43 for (i = 0; i < 1024; i++) {
46 in[i].blue = (i << 16) >> 10;
52 load(in, drm_color_lut_size(blob), mem);
59 nv50_lut_fini(struct nv50_lut *lut)
62 for (i = 0; i < ARRAY_SIZE(lut->mem); i++)
63 nvif_mem_dtor(&lut->mem[i]);
67 nv50_lut_init(struct nv50_disp *disp, struct nvif_mmu *mmu,
70 const u32 size = disp->disp->object.oclass < GF110_DISP ? 257 : 1025;
72 for (i = 0; i < ARRAY_SIZE(lut->mem); i++) {
73 int ret = nvif_mem_ctor_map(mmu, "kmsLut", NVIF_MEM_VRAM,
74 size * 8, &lut->mem[i]);