Merge "msm: vidc: skip cache operations for secure session" (f76bc0ce) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/media/platform/msm/vidc/msm_smem.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -522,12 +522,22 @@ int msm_smem_cache_operations(struct dma_buf *dbuf,
		enum smem_cache_ops cache_op, unsigned long offset, unsigned long size)
		{
		int rc = 0;
		unsigned long flags = 0;

		if (!dbuf) {
		dprintk(VIDC_ERR, "%s: Invalid params\n", __func__);
		return -EINVAL;
		}

		/* Return if buffer doesn't support caching */
		rc = dma_buf_get_flags(dbuf, &flags);
		if (rc) {
		dprintk(VIDC_ERR, "%s: dma_buf_get_flags failed, err %d\n", rc);
		return rc;
		} else if (!(flags & ION_FLAG_CACHED)) {
		return rc;
		}

		switch (cache_op) {
		case SMEM_CACHE_CLEAN:
		case SMEM_CACHE_CLEAN_INVALIDATE: