diff options
Diffstat (limited to 'drivers/gpu/drm/tegra/vic.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/vic.c | 75 |
1 files changed, 57 insertions, 18 deletions
diff --git a/drivers/gpu/drm/tegra/vic.c b/drivers/gpu/drm/tegra/vic.c index d47983deb1cf..39bfed9623de 100644 --- a/drivers/gpu/drm/tegra/vic.c +++ b/drivers/gpu/drm/tegra/vic.c @@ -26,6 +26,7 @@ struct vic_config { const char *firmware; unsigned int version; + bool supports_sid; }; struct vic { @@ -105,6 +106,22 @@ static int vic_boot(struct vic *vic) if (vic->booted) return 0; + if (vic->config->supports_sid) { + struct iommu_fwspec *spec = dev_iommu_fwspec_get(vic->dev); + u32 value; + + value = TRANSCFG_ATT(1, TRANSCFG_SID_FALCON) | + TRANSCFG_ATT(0, TRANSCFG_SID_HW); + vic_writel(vic, value, VIC_TFBIF_TRANSCFG); + + if (spec && spec->num_ids > 0) { + value = spec->ids[0] & 0xffff; + + vic_writel(vic, value, VIC_THI_STREAMID0); + vic_writel(vic, value, VIC_THI_STREAMID1); + } + } + /* setup clockgating registers */ vic_writel(vic, CG_IDLE_CG_DLY_CNT(4) | CG_IDLE_CG_EN | @@ -181,13 +198,6 @@ static int vic_init(struct host1x_client *client) vic->domain = tegra->domain; } - if (!vic->falcon.data) { - vic->falcon.data = tegra; - err = falcon_load_firmware(&vic->falcon); - if (err < 0) - goto detach; - } - vic->channel = host1x_channel_request(client->dev); if (!vic->channel) { err = -ENOMEM; @@ -246,6 +256,30 @@ static const struct host1x_client_ops vic_client_ops = { .exit = vic_exit, }; +static int vic_load_firmware(struct vic *vic) +{ + int err; + + if (vic->falcon.data) + return 0; + + vic->falcon.data = vic->client.drm; + + err = falcon_read_firmware(&vic->falcon, vic->config->firmware); + if (err < 0) + goto cleanup; + + err = falcon_load_firmware(&vic->falcon); + if (err < 0) + goto cleanup; + + return 0; + +cleanup: + vic->falcon.data = NULL; + return err; +} + static int vic_open_channel(struct tegra_drm_client *client, struct tegra_drm_context *context) { @@ -256,19 +290,25 @@ static int vic_open_channel(struct tegra_drm_client *client, if (err < 0) return err; + err = vic_load_firmware(vic); + if (err < 0) + goto rpm_put; + err = vic_boot(vic); - if (err < 0) { - pm_runtime_put(vic->dev); - return err; - } + if (err < 0) + goto rpm_put; context->channel = host1x_channel_get(vic->channel); if (!context->channel) { - pm_runtime_put(vic->dev); - return -ENOMEM; + err = -ENOMEM; + goto rpm_put; } return 0; + +rpm_put: + pm_runtime_put(vic->dev); + return err; } static void vic_close_channel(struct tegra_drm_context *context) @@ -291,6 +331,7 @@ static const struct tegra_drm_client_ops vic_ops = { static const struct vic_config vic_t124_config = { .firmware = NVIDIA_TEGRA_124_VIC_FIRMWARE, .version = 0x40, + .supports_sid = false, }; #define NVIDIA_TEGRA_210_VIC_FIRMWARE "nvidia/tegra210/vic04_ucode.bin" @@ -298,6 +339,7 @@ static const struct vic_config vic_t124_config = { static const struct vic_config vic_t210_config = { .firmware = NVIDIA_TEGRA_210_VIC_FIRMWARE, .version = 0x21, + .supports_sid = false, }; #define NVIDIA_TEGRA_186_VIC_FIRMWARE "nvidia/tegra186/vic04_ucode.bin" @@ -305,6 +347,7 @@ static const struct vic_config vic_t210_config = { static const struct vic_config vic_t186_config = { .firmware = NVIDIA_TEGRA_186_VIC_FIRMWARE, .version = 0x18, + .supports_sid = true, }; #define NVIDIA_TEGRA_194_VIC_FIRMWARE "nvidia/tegra194/vic.bin" @@ -312,6 +355,7 @@ static const struct vic_config vic_t186_config = { static const struct vic_config vic_t194_config = { .firmware = NVIDIA_TEGRA_194_VIC_FIRMWARE, .version = 0x19, + .supports_sid = true, }; static const struct of_device_id vic_match[] = { @@ -372,10 +416,6 @@ static int vic_probe(struct platform_device *pdev) if (err < 0) return err; - err = falcon_read_firmware(&vic->falcon, vic->config->firmware); - if (err < 0) - goto exit_falcon; - platform_set_drvdata(pdev, vic); INIT_LIST_HEAD(&vic->client.base.list); @@ -393,7 +433,6 @@ static int vic_probe(struct platform_device *pdev) err = host1x_client_register(&vic->client.base); if (err < 0) { dev_err(dev, "failed to register host1x client: %d\n", err); - platform_set_drvdata(pdev, NULL); goto exit_falcon; } |