80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
|
/*
|
||
|
|
* Copyright 2018 Red Hat Inc.
|
||
|
|
*
|
||
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
||
|
|
* copy of this software and associated documentation files (the "Software"),
|
||
|
|
* to deal in the Software without restriction, including without limitation
|
||
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
||
|
|
* Software is furnished to do so, subject to the following conditions:
|
||
|
|
*
|
||
|
|
* The above copyright notice and this permission notice shall be included in
|
||
|
|
* all copies or substantial portions of the Software.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||
|
|
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
||
|
|
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
||
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
||
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
||
|
|
*/
|
||
|
|
#include "lut.h"
|
||
|
|
#include "disp.h"
|
||
|
|
|
||
|
|
#include <drm/drm_color_mgmt.h>
|
||
|
|
#include <drm/drm_mode.h>
|
||
|
|
#include <drm/drm_property.h>
|
||
|
|
|
||
|
|
#include <nvif/class.h>
|
||
|
|
|
||
|
|
u32
|
||
|
|
nv50_lut_load(struct nv50_lut *lut, int buffer, struct drm_property_blob *blob,
|
||
|
|
void (*load)(struct drm_color_lut *, int, void __iomem *))
|
||
|
|
{
|
||
|
|
struct drm_color_lut *in = blob ? blob->data : NULL;
|
||
|
|
void __iomem *mem = lut->mem[buffer].object.map.ptr;
|
||
|
|
const u32 addr = lut->mem[buffer].addr;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
if (!in) {
|
||
|
|
in = kvmalloc_array(1024, sizeof(*in), GFP_KERNEL);
|
||
|
|
if (!WARN_ON(!in)) {
|
||
|
|
for (i = 0; i < 1024; i++) {
|
||
|
|
in[i].red =
|
||
|
|
in[i].green =
|
||
|
|
in[i].blue = (i << 16) >> 10;
|
||
|
|
}
|
||
|
|
load(in, 1024, mem);
|
||
|
|
kvfree(in);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
load(in, drm_color_lut_size(blob), mem);
|
||
|
|
}
|
||
|
|
|
||
|
|
return addr;
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
nv50_lut_fini(struct nv50_lut *lut)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
for (i = 0; i < ARRAY_SIZE(lut->mem); i++)
|
||
|
|
nvif_mem_dtor(&lut->mem[i]);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
nv50_lut_init(struct nv50_disp *disp, struct nvif_mmu *mmu,
|
||
|
|
struct nv50_lut *lut)
|
||
|
|
{
|
||
|
|
const u32 size = disp->disp->object.oclass < GF110_DISP ? 257 : 1025;
|
||
|
|
int i;
|
||
|
|
for (i = 0; i < ARRAY_SIZE(lut->mem); i++) {
|
||
|
|
int ret = nvif_mem_ctor_map(mmu, "kmsLut", NVIF_MEM_VRAM,
|
||
|
|
size * 8, &lut->mem[i]);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|