Lines Matching refs:dmac

123 nv50_dmac_destroy(struct nv50_dmac *dmac)
125 	nvif_object_dtor(&dmac->vram);
126 	nvif_object_dtor(&dmac->sync);
128 	nv50_chan_destroy(&dmac->base);
130 	nvif_mem_dtor(&dmac->push.mem);
136 	struct nv50_dmac *dmac = container_of(push, typeof(*dmac), push);
138 	dmac->cur = push->cur - (u32 __iomem *)dmac->push.mem.object.map.ptr;
139 	if (dmac->put != dmac->cur) {
143 		if (dmac->push.mem.type & NVIF_MEM_VRAM) {
144 			struct nvif_device *device = dmac->base.device;
152 		NVIF_WV32(&dmac->base.user, NV507C, PUT, PTR, dmac->cur);
153 		dmac->put = dmac->cur;
160 nv50_dmac_free(struct nv50_dmac *dmac)
162 	u32 get = NVIF_RV32(&dmac->base.user, NV507C, GET, PTR);
163 	if (get > dmac->cur) /* NVIDIA stay 5 away from GET, do the same. */
164 		return get - dmac->cur - 5;
165 	return dmac->max - dmac->cur;
169 nv50_dmac_wind(struct nv50_dmac *dmac)
174 	u32 get = NVIF_RV32(&dmac->base.user, NV507C, GET, PTR);
177 		if (dmac->put == 0)
178 			nv50_dmac_kick(&dmac->push);
180 		if (nvif_msec(dmac->base.device, 2000,
181 			if (NVIF_TV32(&dmac->base.user, NV507C, GET, PTR, >, 0))
187 	PUSH_RSVD(&dmac->push, PUSH_JUMP(&dmac->push, 0));
188 	dmac->cur = 0;
195 	struct nv50_dmac *dmac = container_of(push, typeof(*dmac), push);
198 	if (WARN_ON(size > dmac->max))
201 	dmac->cur = push->cur - (u32 __iomem *)dmac->push.mem.object.map.ptr;
202 	if (dmac->cur + size >= dmac->max) {
203 		int ret = nv50_dmac_wind(dmac);
207 		push->cur = dmac->push.mem.object.map.ptr;
208 		push->cur = push->cur + dmac->cur;
212 	if (nvif_msec(dmac->base.device, 2000,
213 		if ((free = nv50_dmac_free(dmac)) >= size)
220 	push->bgn = dmac->push.mem.object.map.ptr;
221 	push->bgn = push->bgn + dmac->cur;
234 		 struct nv50_dmac *dmac)
255 	ret = nvif_mem_ctor_map(&drm->mmu, "kmsChanPush", type, 0x1000, &dmac->push.mem);
259 	dmac->push.wait = nv50_dmac_wait;
260 	dmac->push.kick = nv50_dmac_kick;
261 	dmac->push.bgn = dmac->push.mem.object.map.ptr;
262 	dmac->push.cur = dmac->push.bgn;
263 	dmac->push.end = dmac->push.bgn;
264 	dmac->max = 0x1000/4 - 1;
270 		dmac->max -= 12;
272 	args->pushbuf = nvif_handle(&dmac->push.mem.object);
275 			       &dmac->base);
282 	ret = nvif_object_ctor(&dmac->base.user, "kmsSyncCtxDma", NV50_DISP_HANDLE_SYNCBUF,
290 			       &dmac->sync);
294 	ret = nvif_object_ctor(&dmac->base.user, "kmsVramCtxDma", NV50_DISP_HANDLE_VRAM,
302 			       &dmac->vram);