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Commit 7b4b98fa authored by Ben Skeggs's avatar Ben Skeggs
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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: default avatarBen Skeggs <bskeggs@redhat.com>
parent dce411cd

drivers/gpu/drm/nouveau/nv50_vram.c

+1 −1
Original line number Diff line number Diff line
@@ -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;