diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2014-03-18 23:23:10 +0400 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-03-26 08:08:20 +0400 |
| commit | 5ca929b9523bd4b4ce06812fb0d77cafc3043795 (patch) | |
| tree | e5247b8bac9df521013c35ef61afd2df2d78f852 /drivers | |
| parent | 8687c5d7b1ac7d0d60f419488790d5a399ff59db (diff) | |
| download | linux-5ca929b9523bd4b4ce06812fb0d77cafc3043795.tar.xz | |
drm/nva3/fbram: restrict training pattern setup to GT218
It doesn't look like the others have the registers.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c | 32 |
1 files 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; |