drivers/gpu/drm/nouveau/nvkm/engine/gr/gp102.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/nvkm/engine/gr/gp102.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/nvkm/engine/gr/gp102.c
Extension
.c
Size
5185 bytes
Lines
162
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

if (gr->zbc_stencil[i].format) {
			if (gr->zbc_stencil[i].format != format)
				continue;
			if (gr->zbc_stencil[i].ds != ds)
				continue;
			if (gr->zbc_stencil[i].l2 != l2) {
				WARN_ON(1);
				return -EINVAL;
			}
			return i;
		} else {
			zbc = (zbc < 0) ? i : zbc;
		}
	}

	if (zbc < 0)
		return zbc;

	gr->zbc_stencil[zbc].format = format;
	gr->zbc_stencil[zbc].ds = ds;
	gr->zbc_stencil[zbc].l2 = l2;
	nvkm_ltc_zbc_stencil_get(ltc, zbc, l2);
	gr->func->zbc->clear_stencil(gr, zbc);
	return zbc;
}

const struct gf100_gr_func_zbc
gp102_gr_zbc = {
	.clear_color = gp100_gr_zbc_clear_color,
	.clear_depth = gp100_gr_zbc_clear_depth,
	.stencil_get = gp102_gr_zbc_stencil_get,
	.clear_stencil = gp102_gr_zbc_clear_stencil,
};

void
gp102_gr_init_swdx_pes_mask(struct gf100_gr *gr)
{
	struct nvkm_device *device = gr->base.engine.subdev.device;
	u32 mask = 0, data, gpc;

	for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
		data = nvkm_rd32(device, GPC_UNIT(gpc, 0x0c50)) & 0x0000000f;
		mask |= data << (gpc * 4);
	}

	nvkm_wr32(device, 0x4181d0, mask);
}

static const struct gf100_gr_func
gp102_gr = {
	.oneinit_tiles = gm200_gr_oneinit_tiles,
	.oneinit_sm_id = gm200_gr_oneinit_sm_id,
	.init = gf100_gr_init,
	.init_gpc_mmu = gm200_gr_init_gpc_mmu,
	.init_vsc_stream_master = gk104_gr_init_vsc_stream_master,
	.init_zcull = gf117_gr_init_zcull,
	.init_num_active_ltcs = gm200_gr_init_num_active_ltcs,
	.init_rop_active_fbps = gp100_gr_init_rop_active_fbps,
	.init_swdx_pes_mask = gp102_gr_init_swdx_pes_mask,
	.init_fecs_exceptions = gp100_gr_init_fecs_exceptions,
	.init_ds_hww_esr_2 = gm200_gr_init_ds_hww_esr_2,
	.init_sked_hww_esr = gk104_gr_init_sked_hww_esr,
	.init_419cc0 = gf100_gr_init_419cc0,
	.init_ppc_exceptions = gk104_gr_init_ppc_exceptions,
	.init_tex_hww_esr = gf100_gr_init_tex_hww_esr,
	.init_504430 = gm107_gr_init_504430,
	.init_shader_exceptions = gp100_gr_init_shader_exceptions,
	.init_rop_exceptions = gf100_gr_init_rop_exceptions,
	.init_exception2 = gf100_gr_init_exception2,
	.trap_mp = gf100_gr_trap_mp,
	.fecs.reset = gf100_gr_fecs_reset,
	.rops = gm200_gr_rops,
	.gpc_nr = 6,
	.tpc_nr = 5,
	.ppc_nr = 3,
	.grctx = &gp102_grctx,
	.zbc = &gp102_gr_zbc,
	.sclass = {
		{ -1, -1, FERMI_TWOD_A },
		{ -1, -1, KEPLER_INLINE_TO_MEMORY_B },
		{ -1, -1, PASCAL_B, &gf100_fermi },
		{ -1, -1, PASCAL_COMPUTE_B },
		{}
	}
};

MODULE_FIRMWARE("nvidia/gp102/gr/fecs_bl.bin");
MODULE_FIRMWARE("nvidia/gp102/gr/fecs_inst.bin");
MODULE_FIRMWARE("nvidia/gp102/gr/fecs_data.bin");
MODULE_FIRMWARE("nvidia/gp102/gr/fecs_sig.bin");

Annotation

Implementation Notes