Commit 2abdd44e authored by Thierry Reding's avatar Thierry Reding
Browse files

drm/tegra: nvdec: Use tegra_dev_iommu_get_stream_id() 



Use the newly implemented tegra_dev_iommu_get_stream_id() helper to
encapsulate and centralize the IOMMU stream ID access.

Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent b50ad38d

drivers/gpu/drm/tegra/nvdec.c

+4 −12
Original line number Diff line number Diff line
@@ -67,26 +67,18 @@ static inline void nvdec_writel(struct nvdec *nvdec, u32 value, 


static int nvdec_boot_falcon(struct nvdec *nvdec)

{

#ifdef CONFIG_IOMMU_API

	struct iommu_fwspec *spec = dev_iommu_fwspec_get(nvdec->dev);

#endif

	u32 stream_id;

	int err;



#ifdef CONFIG_IOMMU_API

	if (nvdec->config->supports_sid && spec) {

	if (nvdec->config->supports_sid && tegra_dev_iommu_get_stream_id(nvdec->dev, &stream_id)) {

		u32 value;



		value = TRANSCFG_ATT(1, TRANSCFG_SID_FALCON) | TRANSCFG_ATT(0, TRANSCFG_SID_HW);

		nvdec_writel(nvdec, value, NVDEC_TFBIF_TRANSCFG);



		if (spec->num_ids > 0) {

			value = spec->ids[0] & 0xffff;



			nvdec_writel(nvdec, value, VIC_THI_STREAMID0);

			nvdec_writel(nvdec, value, VIC_THI_STREAMID1);

		nvdec_writel(nvdec, stream_id, VIC_THI_STREAMID0);

		nvdec_writel(nvdec, stream_id, VIC_THI_STREAMID1);

	}

	}

#endif



	err = falcon_boot(&nvdec->falcon);

	if (err < 0)