From 5ca929b9523bd4b4ce06812fb0d77cafc3043795 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Wed, 19 Mar 2014 05:23:10 +1000 Subject: [PATCH] drm/nva3/fbram: restrict training pattern setup to GT218 It doesn't look like the others have the registers. Signed-off-by: Ben Skeggs --- .../gpu/drm/nouveau/core/subdev/fb/ramnva3.c | 32 ++++++++++--------- 1 file changed, 17 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c index 503e09b14e1b..6eb97f16fbda 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c @@ -335,21 +335,23 @@ nva3_ram_init(struct nouveau_object *object) /* prepare for ddr link training, and load training patterns */ switch (ram->base.type) { case NV_MEM_TYPE_DDR3: { - static const u32 pattern[16] = { - 0xaaaaaaaa, 0xcccccccc, 0xdddddddd, 0xeeeeeeee, - 0x00000000, 0x11111111, 0x44444444, 0xdddddddd, - 0x33333333, 0x55555555, 0x77777777, 0x66666666, - 0x99999999, 0x88888888, 0xeeeeeeee, 0xbbbbbbbb, - }; - - nv_wr32(pfb, 0x100538, 0x10001ff6); /*XXX*/ - nv_wr32(pfb, 0x1005a8, 0x0000ffff); - nv_mask(pfb, 0x10f800, 0x00000001, 0x00000001); - for (i = 0; i < 0x30; i++) { - nv_wr32(pfb, 0x10f8c0, (i << 8) | i); - nv_wr32(pfb, 0x10f8e0, (i << 8) | i); - nv_wr32(pfb, 0x10f900, pattern[i % 16]); - nv_wr32(pfb, 0x10f920, pattern[i % 16]); + if (nv_device(pfb)->chipset == 0xa8) { + static const u32 pattern[16] = { + 0xaaaaaaaa, 0xcccccccc, 0xdddddddd, 0xeeeeeeee, + 0x00000000, 0x11111111, 0x44444444, 0xdddddddd, + 0x33333333, 0x55555555, 0x77777777, 0x66666666, + 0x99999999, 0x88888888, 0xeeeeeeee, 0xbbbbbbbb, + }; + + nv_wr32(pfb, 0x100538, 0x10001ff6); /*XXX*/ + nv_wr32(pfb, 0x1005a8, 0x0000ffff); + nv_mask(pfb, 0x10f800, 0x00000001, 0x00000001); + for (i = 0; i < 0x30; i++) { + nv_wr32(pfb, 0x10f8c0, (i << 8) | i); + nv_wr32(pfb, 0x10f8e0, (i << 8) | i); + nv_wr32(pfb, 0x10f900, pattern[i % 16]); + nv_wr32(pfb, 0x10f920, pattern[i % 16]); + } } } break; -- 2.45.2