From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv10.c | 40 ++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv10.c (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv10.c') diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv10.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv10.c new file mode 100644 index 000000000..afe54e323 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv10.c @@ -0,0 +1,40 @@ +/* + * Copyright 2013 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ +#include "ram.h" + +int +nv10_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram) +{ + struct nvkm_device *device = fb->subdev.device; + u32 size = nvkm_rd32(device, 0x10020c) & 0xff000000; + u32 cfg0 = nvkm_rd32(device, 0x100200); + enum nvkm_ram_type type; + + if (cfg0 & 0x00000001) + type = NVKM_RAM_TYPE_DDR1; + else + type = NVKM_RAM_TYPE_SDRAM; + + return nvkm_ram_new_(&nv04_ram_func, fb, type, size, pram); +} -- cgit v1.2.3