Messages in this thread Patch in this message | | | From | Aaro Koskinen <> | Subject | [RESEND PATCH] drm/nouveau: fix init with agpgart-uninorth | Date | Mon, 31 Dec 2012 03:34:59 +0200 |
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Check that the AGP aperture can be mapped. This follows a similar change done for Radeon (commit 365048ff, drm/radeon: AGP memory is only I/O if the aperture can be mapped by the CPU.).
The patch fixes the following error seen on G5 iMac:
nouveau E[ DRM] failed to create kernel channel, -12
Reviewed-by: Michel Dänzer <michel@daenzer.net> Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> --- drivers/gpu/drm/nouveau/nouveau_bo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 5614c89..69d7b1d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -1276,7 +1276,7 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) if (drm->agp.stat == ENABLED) { mem->bus.offset = mem->start << PAGE_SHIFT; mem->bus.base = drm->agp.base; - mem->bus.is_iomem = true; + mem->bus.is_iomem = !dev->agp->cant_use_aperture; } #endif break; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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