diff options
Diffstat (limited to 'drivers/gpu/host1x/hw/channel_hw.c')
| -rw-r--r-- | drivers/gpu/host1x/hw/channel_hw.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/hw/channel_hw.c b/drivers/gpu/host1x/hw/channel_hw.c index 95ea81172a83..3067af4452cd 100644 --- a/drivers/gpu/host1x/hw/channel_hw.c +++ b/drivers/gpu/host1x/hw/channel_hw.c @@ -17,6 +17,7 @@ */ #include <linux/host1x.h> +#include <linux/iommu.h> #include <linux/slab.h> #include <trace/events/host1x.h> @@ -89,6 +90,16 @@ static inline void synchronize_syncpt_base(struct host1x_job *job) HOST1X_UCLASS_LOAD_SYNCPT_BASE_VALUE_F(value)); } +static void host1x_channel_set_streamid(struct host1x_channel *channel) +{ +#if HOST1X_HW >= 6 + struct iommu_fwspec *spec = dev_iommu_fwspec_get(channel->dev->parent); + u32 sid = spec ? spec->ids[0] & 0xffff : 0x7f; + + host1x_ch_writel(channel, sid, HOST1X_CHANNEL_SMMU_STREAMID); +#endif +} + static int channel_submit(struct host1x_job *job) { struct host1x_channel *ch = job->channel; @@ -120,6 +131,8 @@ static int channel_submit(struct host1x_job *job) goto error; } + host1x_channel_set_streamid(ch); + /* begin a CDMA submit */ err = host1x_cdma_begin(&ch->cdma, job); if (err) { |