/*
* Copyright 2012 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 .
*
* Authors : Ben Skeggs
*/
#include "gf100.h"
#include "ram.h"
#include <core/memory.h>
#include <core/option.h>
#include <subdev/therm.h>
void
gf100_fb_intr(struct nvkm_fb *base)
{
struct gf100_fb *fb = gf100_fb(base);
struct nvkm_subdev *subdev = &fb->base.subdev;
struct nvkm_device *device = subdev->device;
u32 intr = nvkm_rd32(device, 0 x000100);
if (intr & 0 x08000000)
nvkm_debug(subdev, "PFFB intr\n" );
if (intr & 0 x00002000)
nvkm_debug(subdev, "PBFB intr\n" );
}
int
gf100_fb_oneinit(struct nvkm_fb *base)
{
struct gf100_fb *fb = gf100_fb(base);
struct nvkm_device *device = fb->base.subdev.device;
int ret, size = 1 << (fb->base.page ? fb->base.page : 17 );
size = nvkm_longopt(device->cfgopt, "MmuDebugBufferSize" , size);
size = max(size, 0 x1000);
ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, size, 0 x1000,
true , &fb->base.mmu_rd);
if (ret)
return ret;
ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, size, 0 x1000,
true , &fb->base.mmu_wr);
if (ret)
return ret;
return 0 ;
}
int
gf100_fb_init_page(struct nvkm_fb *fb)
{
struct nvkm_device *device = fb->subdev.device;
switch (fb->page) {
case 16 : nvkm_mask(device, 0 x100c80, 0 x00000001, 0 x00000001); break ;
case 17 : nvkm_mask(device, 0 x100c80, 0 x00000001, 0 x00000000); break ;
default :
return -EINVAL;
}
return 0 ;
}
void
gf100_fb_sysmem_flush_page_init(struct nvkm_fb *fb)
{
nvkm_wr32(fb->subdev.device, 0 x100c10, fb->sysmem.flush_page_addr >> 8 );
}
void
gf100_fb_init(struct nvkm_fb *base)
{
struct gf100_fb *fb = gf100_fb(base);
struct nvkm_device *device = fb->base.subdev.device;
if (base->func->clkgate_pack) {
nvkm_therm_clkgate_init(device->therm,
base->func->clkgate_pack);
}
}
void *
gf100_fb_dtor(struct nvkm_fb *base)
{
struct gf100_fb *fb = gf100_fb(base);
return fb;
}
int
gf100_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device,
enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
{
struct gf100_fb *fb;
if (!(fb = kzalloc(sizeof (*fb), GFP_KERNEL)))
return -ENOMEM;
nvkm_fb_ctor(func, device, type, inst, &fb->base);
*pfb = &fb->base;
return 0 ;
}
static const struct nvkm_fb_func
gf100_fb = {
.dtor = gf100_fb_dtor,
.oneinit = gf100_fb_oneinit,
.init = gf100_fb_init,
.init_page = gf100_fb_init_page,
.intr = gf100_fb_intr,
.sysmem.flush_page_init = gf100_fb_sysmem_flush_page_init,
.ram_new = gf100_ram_new,
.default_bigpage = 17 ,
};
int
gf100_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
{
return gf100_fb_new_(&gf100_fb, device, type, inst, pfb);
}
Messung V0.5 in Prozent C=100 H=100 G=100
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-07)
¤
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