Commit a708d8a7 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/kms/nv50-: add module option to select EVO/NVD push buffer location 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 7c1f6bbd

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

+6 −1
Original line number Diff line number Diff line
@@ -220,6 +220,10 @@ nv50_dmac_wait(struct nvif_push *push, u32 size) 
	return 0;

}



MODULE_PARM_DESC(kms_vram_pushbuf, "Place EVO/NVD push buffers in VRAM (default: auto)");

static int nv50_dmac_vram_pushbuf = -1;

module_param_named(kms_vram_pushbuf, nv50_dmac_vram_pushbuf, int, 0400);



int

nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp,

		 const s32 *oclass, u8 head, void *data, u32 size, s64 syncbuf,
@@ -241,7 +245,8 @@ nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp, 
	 *

	 * This appears to match NVIDIA's behaviour on Pascal.

	 */

	if (device->info.family == NV_DEVICE_INFO_V0_PASCAL)

	if ((nv50_dmac_vram_pushbuf > 0) ||

	    (nv50_dmac_vram_pushbuf < 0 && device->info.family == NV_DEVICE_INFO_V0_PASCAL))

		type |= NVIF_MEM_VRAM;



	ret = nvif_mem_ctor_map(&cli->mmu, "kmsChanPush", type, 0x1000,