diff options
| author | Thierry Reding <treding@nvidia.com> | 2022-11-17 13:35:20 +0100 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2023-01-27 17:49:44 +0100 |
| commit | b50ad38d8718937928aab5de4ee89eb44fdada02 (patch) | |
| tree | f1b0038a34a1b78e6184b31f62f02ce18be7ff82 /drivers/gpu/drm/tegra | |
| parent | b8cbb04f6567ac16e3be13f3d0c369d264815832 (diff) | |
drm/tegra: vic: 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 'drivers/gpu/drm/tegra')
| -rw-r--r-- | drivers/gpu/drm/tegra/vic.c | 39 |
1 files changed, 14 insertions, 25 deletions
diff --git a/drivers/gpu/drm/tegra/vic.c b/drivers/gpu/drm/tegra/vic.c index 7382ee132eb7..531a71c72061 100644 --- a/drivers/gpu/drm/tegra/vic.c +++ b/drivers/gpu/drm/tegra/vic.c @@ -56,41 +56,30 @@ static void vic_writel(struct vic *vic, u32 value, unsigned int offset) static int vic_boot(struct vic *vic) { -#ifdef CONFIG_IOMMU_API - struct iommu_fwspec *spec = dev_iommu_fwspec_get(vic->dev); -#endif - u32 fce_ucode_size, fce_bin_data_offset; + u32 fce_ucode_size, fce_bin_data_offset, stream_id; void *hdr; int err = 0; -#ifdef CONFIG_IOMMU_API - if (vic->config->supports_sid && spec) { + if (vic->config->supports_sid && tegra_dev_iommu_get_stream_id(vic->dev, &stream_id)) { u32 value; value = TRANSCFG_ATT(1, TRANSCFG_SID_FALCON) | TRANSCFG_ATT(0, TRANSCFG_SID_HW); vic_writel(vic, value, VIC_TFBIF_TRANSCFG); - if (spec->num_ids > 0) { - value = spec->ids[0] & 0xffff; - - /* - * STREAMID0 is used for input/output buffers. - * Initialize it to SID_VIC in case context isolation - * is not enabled, and SID_VIC is used for both firmware - * and data buffers. - * - * If context isolation is enabled, it will be - * overridden by the SETSTREAMID opcode as part of - * each job. - */ - vic_writel(vic, value, VIC_THI_STREAMID0); - - /* STREAMID1 is used for firmware loading. */ - vic_writel(vic, value, VIC_THI_STREAMID1); - } + /* + * STREAMID0 is used for input/output buffers. Initialize it to SID_VIC in case + * context isolation is not enabled, and SID_VIC is used for both firmware and + * data buffers. + * + * If context isolation is enabled, it will be overridden by the SETSTREAMID + * opcode as part of each job. + */ + vic_writel(vic, stream_id, VIC_THI_STREAMID0); + + /* STREAMID1 is used for firmware loading. */ + vic_writel(vic, stream_id, VIC_THI_STREAMID1); } -#endif /* setup clockgating registers */ vic_writel(vic, CG_IDLE_CG_DLY_CNT(4) | |