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authorTakashi Iwai <tiwai@suse.de>2019-11-25 14:27:33 +0100
committerTakashi Iwai <tiwai@suse.de>2019-11-25 14:27:41 +0100
commit09578eacaaa44149738267083ccc050990409f86 (patch)
treecf614ee065fe5479e4638abebe12c9e1578b09d9 /drivers/gpu/drm/etnaviv/etnaviv_mmu.c
parentALSA: aloop: Fix dependency on timer API (diff)
parentMerge branch 'asoc-5.5' into asoc-next (diff)
downloadlinux-09578eacaaa44149738267083ccc050990409f86.tar.xz
linux-09578eacaaa44149738267083ccc050990409f86.zip
Merge tag 'asoc-v5.5-2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: More updates for v5.5 Some more development work for v5.5. Highlights include: - More cleanups from Morimoto-san. - Trigger word detection for RT5677. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_mmu.c')
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_mmu.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
index 35ebae6a1be7..3607d348c298 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
@@ -328,12 +328,23 @@ etnaviv_iommu_context_init(struct etnaviv_iommu_global *global,
ret = etnaviv_cmdbuf_suballoc_map(suballoc, ctx, &ctx->cmdbuf_mapping,
global->memory_base);
- if (ret) {
- global->ops->free(ctx);
- return NULL;
+ if (ret)
+ goto out_free;
+
+ if (global->version == ETNAVIV_IOMMU_V1 &&
+ ctx->cmdbuf_mapping.iova > 0x80000000) {
+ dev_err(global->dev,
+ "command buffer outside valid memory window\n");
+ goto out_unmap;
}
return ctx;
+
+out_unmap:
+ etnaviv_cmdbuf_suballoc_unmap(ctx, &ctx->cmdbuf_mapping);
+out_free:
+ global->ops->free(ctx);
+ return NULL;
}
void etnaviv_iommu_restore(struct etnaviv_gpu *gpu,