drivers/gpu/drm/nouveau/nvkm/subdev/fb/gk110.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gk110.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/nvkm/subdev/fb/gk110.c
Extension
.c
Size
2439 bytes
Lines
73
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#include "gf100.h"
#include "gk104.h"
#include "ram.h"
#include <subdev/therm.h>
#include <subdev/fb.h>

/*
 *******************************************************************************
 * PGRAPH registers for clockgating
 *******************************************************************************
 */

static const struct nvkm_therm_clkgate_init
gk110_fb_clkgate_blcg_init_unk_0[] = {
	{ 0x100d10, 1, 0x0000c242 },
	{ 0x100d30, 1, 0x0000c242 },
	{ 0x100d3c, 1, 0x00000242 },
	{ 0x100d48, 1, 0x0000c242 },
	{ 0x100d1c, 1, 0x00000042 },
	{}
};

static const struct nvkm_therm_clkgate_pack
gk110_fb_clkgate_pack[] = {
	{ gk110_fb_clkgate_blcg_init_unk_0 },
	{ gk104_fb_clkgate_blcg_init_vm_0 },
	{ gk104_fb_clkgate_blcg_init_main_0 },
	{ gk104_fb_clkgate_blcg_init_bcast_0 },
	{}
};

static const struct nvkm_fb_func
gk110_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 = gk104_ram_new,
	.default_bigpage = 17,
	.clkgate_pack = gk110_fb_clkgate_pack,
};

int
gk110_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
{
	return gf100_fb_new_(&gk110_fb, device, type, inst, pfb);
}

Annotation

Implementation Notes