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drm/nvaa/mc: blacklist msi to off by default

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2013-10-22 14:14:33 +10:00
parent 9a9d5c64ef
commit 0fef9d8a59
1 changed files with 20 additions and 12 deletions
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24
drivers/gpu/drm/nouveau/core/subdev/mc/base.c
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@ -42,7 +42,7 @@ nouveau_mc_intr(int irq, void *arg)
if (intr == 0xffffffff) /* likely fallen off the bus */
intr = 0x00000000;
if (pmc->use_msi && oclass->msi_rearm)
if (pmc->use_msi)
oclass->msi_rearm(pmc);
if (intr) {
@ -111,20 +111,28 @@ nouveau_mc_create_(struct nouveau_object *parent, struct nouveau_object *engine,
return ret;
switch (device->pdev->device & 0x0ff0) {
case 0x00f0: /* BR02? */
case 0x02e0: /* BR02? */
pmc->use_msi = false;
case 0x00f0:
case 0x02e0:
/* BR02? NFI how these would be handled yet exactly */
break;
default:
pmc->use_msi = nouveau_boolopt(device->cfgopt, "NvMSI", true);
if (pmc->use_msi) {
switch (device->chipset) {
case 0xaa: break; /* reported broken, nv also disable it */
default:
pmc->use_msi = true;
break;
}
}
pmc->use_msi = nouveau_boolopt(device->cfgopt, "NvMSI", pmc->use_msi);
if (pmc->use_msi && oclass->msi_rearm) {
pmc->use_msi = pci_enable_msi(device->pdev) == 0;
if (pmc->use_msi) {
nv_info(pmc, "MSI interrupts enabled\n");
oclass->msi_rearm(pmc);
}
}
break;
} else {
pmc->use_msi = false;
}
ret = request_irq(device->pdev->irq, nouveau_mc_intr,