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| author |   Thierry Reding <treding@nvidia.com> | 2022-11-17 13:36:19 +0100 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2023-01-27 17:41:49 +0100 |
| commit | 9026ba722360ce5fb72ff7bbc445c49dc9a736ac (patch) | |
| tree | f9f68dac140e6e50f61498fc679c21cf497b3468 /drivers/gpu/host1x/hw/channel_hw.c | |
| parent | drm/tegra: Remove #ifdef guards for PM related functions (diff) | |
| download | wireguard-linux-9026ba722360ce5fb72ff7bbc445c49dc9a736ac.tar.xz wireguard-linux-9026ba722360ce5fb72ff7bbc445c49dc9a736ac.zip | |
gpu: host1x: 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: Thierry Reding <treding@nvidia.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/host1x/hw/channel_hw.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/gpu/host1x/hw/channel_hw.c b/drivers/gpu/host1x/hw/channel_hw.c index 0a528573a792..d44b8de890be 100644 --- a/drivers/gpu/host1x/hw/channel_hw.c +++ b/drivers/gpu/host1x/hw/channel_hw.c @@ -179,14 +179,12 @@ static inline void synchronize_syncpt_base(struct host1x_job *job) static void host1x_channel_set_streamid(struct host1x_channel *channel) { #if HOST1X_HW >= 6 - u32 sid = 0x7f; -#ifdef CONFIG_IOMMU_API - struct iommu_fwspec *spec = dev_iommu_fwspec_get(channel->dev->parent); - if (spec) - sid = spec->ids[0] & 0xffff; -#endif + u32 stream_id; + + if (!tegra_dev_iommu_get_stream_id(channel->dev->parent, &stream_id)) + stream_id = TEGRA_STREAM_ID_BYPASS; - host1x_ch_writel(channel, sid, HOST1X_CHANNEL_SMMU_STREAMID); + host1x_ch_writel(channel, stream_id, HOST1X_CHANNEL_SMMU_STREAMID); #endif } |