drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxga102.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxga102.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxga102.c
Extension
.c
Size
2720 bytes
Lines
78
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 "ctxgf100.h"

static void
ga102_grctx_generate_sm_id(struct gf100_gr *gr, int gpc, int tpc, int sm)
{
	struct nvkm_device *device = gr->base.engine.subdev.device;

	tpc = gv100_gr_nonpes_aware_tpc(gr, gpc, tpc);

	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x608), sm);
}

static void
ga102_grctx_generate_unkn(struct gf100_gr *gr)
{
	struct nvkm_device *device = gr->base.engine.subdev.device;

	nvkm_mask(device, 0x41980c, 0x00000010, 0x00000010);
	nvkm_mask(device, 0x41be08, 0x00000004, 0x00000004);
}

static void
ga102_grctx_generate_r419ea8(struct gf100_gr *gr)
{
	struct nvkm_device *device = gr->base.engine.subdev.device;

	nvkm_wr32(device, 0x419ea8, nvkm_rd32(device, 0x504728) | 0x08000000);
}

const struct gf100_grctx_func
ga102_grctx = {
	.main = gf100_grctx_generate_main,
	.unkn = ga102_grctx_generate_unkn,
	.bundle = gm107_grctx_generate_bundle,
	.bundle_size = 0x3000,
	.bundle_min_gpm_fifo_depth = 0x180,
	.bundle_token_limit = 0x1140,
	.pagepool = gp100_grctx_generate_pagepool,
	.pagepool_size = 0x20000,
	.attrib_cb_size = gp102_grctx_generate_attrib_cb_size,
	.attrib_cb = gv100_grctx_generate_attrib_cb,
	.attrib = gv100_grctx_generate_attrib,
	.attrib_nr_max = 0x800,
	.attrib_nr = 0x4a1,
	.alpha_nr_max = 0xc00,
	.alpha_nr = 0x800,
	.unknown_size = 0x80000,
	.unknown = tu102_grctx_generate_unknown,
	.gfxp_nr = 0xd28,
	.sm_id = ga102_grctx_generate_sm_id,
	.skip_pd_num_tpc_per_gpc = true,
	.rop_mapping = gv100_grctx_generate_rop_mapping,
	.r406500 = gm200_grctx_generate_r406500,
	.r400088 = gv100_grctx_generate_r400088,
	.r419ea8 = ga102_grctx_generate_r419ea8,
};

Annotation

Implementation Notes