/*
* Copyright 2023 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 "priv.h"
#include "ram.h"
#include <subdev/gsp.h>
static const struct nvkm_ram_func
r535_fb_ram = {
};
static int
r535_fb_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
{
struct nvkm_gsp *gsp = fb->subdev.device->gsp;
struct nvkm_ram *ram;
int ret;
if (!(ram = *pram = kzalloc(sizeof (*ram), GFP_KERNEL)))
return -ENOMEM;
ram->func = &r535_fb_ram;
ram->fb = fb;
ram->type = NVKM_RAM_TYPE_UNKNOWN; /*TODO: pull this from GSP. */
ram->size = gsp->fb.size;
ram->stolen = false ;
mutex_init(&ram->mutex);
for (int i = 0 ; i < gsp->fb.region_nr; i++) {
ret = nvkm_mm_init(&ram->vram, NVKM_RAM_MM_NORMAL,
gsp->fb.region[i].addr >> NVKM_RAM_MM_SHIFT,
gsp->fb.region[i].size >> NVKM_RAM_MM_SHIFT,
1 );
if (ret)
return ret;
}
return 0 ;
}
static void *
r535_fb_dtor(struct nvkm_fb *fb)
{
kfree(fb->func);
return fb;
}
int
r535_fb_new(const struct nvkm_fb_func *hw,
struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
{
struct nvkm_fb_func *rm;
int ret;
if (!(rm = kzalloc(sizeof (*rm), GFP_KERNEL)))
return -ENOMEM;
rm->dtor = r535_fb_dtor;
rm->sysmem.flush_page_init = hw->sysmem.flush_page_init;
rm->vidmem.size = hw->vidmem.size;
rm->ram_new = r535_fb_ram_new;
ret = nvkm_fb_new_(rm, device, type, inst, pfb);
if (ret)
kfree(rm);
return ret;
}
Messung V0.5 in Prozent C=98 H=95 G=96
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-07)
¤
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