From: Ben Skeggs Date: Fri, 7 Oct 2011 06:00:31 +0000 (+1000) Subject: drm/nv50/vram: fix incorrect detection of bank count on newer chipsets X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7b4b98fa0c4d3a975b36bfe9984e4cd117f2ddff;p=linux-beck.git drm/nv50/vram: fix incorrect detection of bank count on newer chipsets NVA3+ has an extra bit here compared to NV50:NVA3 chipsets. Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/nv50_vram.c b/drivers/gpu/drm/nouveau/nv50_vram.c index 9da23838e63e..2e45e57fd869 100644 --- a/drivers/gpu/drm/nouveau/nv50_vram.c +++ b/drivers/gpu/drm/nouveau/nv50_vram.c @@ -160,7 +160,7 @@ nv50_vram_rblock(struct drm_device *dev) colbits = (r4 & 0x0000f000) >> 12; rowbitsa = ((r4 & 0x000f0000) >> 16) + 8; rowbitsb = ((r4 & 0x00f00000) >> 20) + 8; - banks = ((r4 & 0x01000000) ? 8 : 4); + banks = 1 << (((r4 & 0x03000000) >> 24) + 2); rowsize = parts * banks * (1 << colbits) * 8; predicted = rowsize << rowbitsa;