From 5ac607ec4006d61c425c7846f29de8a9d8ce4f9f Mon Sep 17 00:00:00 2001 From: Ilia Mirkin Date: Wed, 5 Feb 2014 14:33:04 -0500 Subject: [PATCH] drm/nv4c/bios: disallow retrieving from prom on nv4x igp's MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Suggested-by: Marcin Kościelnicki Signed-off-by: Ilia Mirkin Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/core/subdev/bios/base.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/base.c b/drivers/gpu/drm/nouveau/core/subdev/bios/base.c index aa0fbbe..ef0c9c4 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/base.c @@ -130,6 +130,10 @@ nouveau_bios_shadow_prom(struct nouveau_bios *bios) u16 pcir; int i; + /* there is no prom on nv4x IGP's */ + if (device->card_type == NV_40 && device->chipset >= 0x4c) + return; + /* enable access to rom */ if (device->card_type >= NV_50) pcireg = 0x088050; -- 2.7.4