drivers/gpu/drm/nouveau/dispnv50/core.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/dispnv50/core.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/dispnv50/core.c
Extension
.c
Size
2661 bytes
Lines
75
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 "core.h"

#include <nvif/class.h>

void
nv50_core_del(struct nv50_core **pcore)
{
	struct nv50_core *core = *pcore;
	if (core) {
		nv50_dmac_destroy(&core->chan);
		kfree(*pcore);
		*pcore = NULL;
	}
}

int
nv50_core_new(struct nouveau_drm *drm, struct nv50_core **pcore)
{
	struct {
		s32 oclass;
		int version;
		int (*new)(struct nouveau_drm *, s32, struct nv50_core **);
	} cores[] = {
		{ GB202_DISP_CORE_CHANNEL_DMA, 0, coreca7d_new },
		{ AD102_DISP_CORE_CHANNEL_DMA, 0, corec57d_new },
		{ GA102_DISP_CORE_CHANNEL_DMA, 0, corec57d_new },
		{ TU102_DISP_CORE_CHANNEL_DMA, 0, corec57d_new },
		{ GV100_DISP_CORE_CHANNEL_DMA, 0, corec37d_new },
		{ GP102_DISP_CORE_CHANNEL_DMA, 0, core917d_new },
		{ GP100_DISP_CORE_CHANNEL_DMA, 0, core917d_new },
		{ GM200_DISP_CORE_CHANNEL_DMA, 0, core917d_new },
		{ GM107_DISP_CORE_CHANNEL_DMA, 0, core917d_new },
		{ GK110_DISP_CORE_CHANNEL_DMA, 0, core917d_new },
		{ GK104_DISP_CORE_CHANNEL_DMA, 0, core917d_new },
		{ GF110_DISP_CORE_CHANNEL_DMA, 0, core907d_new },
		{ GT214_DISP_CORE_CHANNEL_DMA, 0, core827d_new },
		{ GT206_DISP_CORE_CHANNEL_DMA, 0, core827d_new },
		{ GT200_DISP_CORE_CHANNEL_DMA, 0, core827d_new },
		{   G82_DISP_CORE_CHANNEL_DMA, 0, core827d_new },
		{  NV50_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
		{}
	};
	struct nv50_disp *disp = nv50_disp(drm->dev);
	int cid;

	cid = nvif_mclass(&disp->disp->object, cores);
	if (cid < 0) {
		NV_ERROR(drm, "No supported core channel class\n");
		return cid;
	}

	return cores[cid].new(drm, cores[cid].oclass, pcore);
}

Annotation

Implementation Notes