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Commit eadc69cc authored by Emil Velikov's avatar Emil Velikov Committed by Ben Skeggs
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drm/nouveau: don't use the default pll limits in table v2.1 on nv50+ cards 



This fixes issues bug 30370 and prevents another possible divide by zero on
the original nv50 cards, by returning -ENOENT

Signed-off-by: default avatarEmil Velikov <eeydev@nottingham.ac.uk>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 8af29ccd

drivers/gpu/drm/nouveau/nouveau_bios.c

+6 −0
Original line number Diff line number Diff line
@@ -4890,6 +4890,12 @@ int get_pll_limits(struct drm_device *dev, uint32_t limit_match, struct pll_lims 
				break;

			}



		if ((dev_priv->card_type >= NV_50) && (pllindex == 0)) {

			NV_ERROR(dev, "Register 0x%08x not found in PLL "

				 "limits table", pll_lim->reg);

			return -ENOENT;

		}



		pll_rec = &bios->data[plloffs + recordlen * pllindex];



		BIOSLOG(bios, "Loading PLL limits for reg 0x%08x\n",