Am Samstag, dem 05.10.2024 um 03:42 +0800 schrieb Sui Jingfeng: > Print an error message to help debug when such an issue happen, since it's > not so obvious. > > Signed-off-by: Sui Jingfeng <sui.jingf...@linux.dev>
Reviewed-by: Lucas Stach <l.st...@pengutronix.de> > --- > v0 -> v1: Use dev_err_ratelimited() to prevent spamming the logs > > v0 is at > https://lore.kernel.org/dri-devel/20240930221706.399139-1-sui.jingf...@linux.dev/ > --- > drivers/gpu/drm/etnaviv/etnaviv_mmu.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c > b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c > index a52ec5eb0e3d..37866ed05c13 100644 > --- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c > +++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c > @@ -300,8 +300,12 @@ int etnaviv_iommu_map_gem(struct etnaviv_iommu_context > *context, > ret = etnaviv_iommu_insert_exact(context, node, user_size, va); > else > ret = etnaviv_iommu_find_iova(context, node, user_size); > - if (ret < 0) > + if (ret < 0) { > + dev_err_ratelimited(context->global->dev, > + "Insert iova failed: 0x%llx(0x%x)\n", > + va, user_size); > goto unlock; > + } > > mapping->iova = node->start; > ret = etnaviv_iommu_map(context, node->start, user_size, sgt,
