diff options
Diffstat (limited to 'drivers/gpu/drm/tegra')
-rw-r--r-- | drivers/gpu/drm/tegra/dc.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/tegra/dpaux.c | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/tegra/dsi.c | 49 | ||||
-rw-r--r-- | drivers/gpu/drm/tegra/fb.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/tegra/output.c | 16 | ||||
-rw-r--r-- | drivers/gpu/drm/tegra/sor.c | 2 |
6 files changed, 51 insertions, 27 deletions
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index c410221824c1..923899b95c88 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -2458,8 +2458,10 @@ static int tegra_dc_probe(struct platform_device *pdev) usleep_range(2000, 4000); err = reset_control_assert(dc->rst); - if (err < 0) + if (err < 0) { + clk_disable_unprepare(dc->clk); return err; + } usleep_range(2000, 4000); diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c index a0f6f9b0d258..a84d19087d09 100644 --- a/drivers/gpu/drm/tegra/dpaux.c +++ b/drivers/gpu/drm/tegra/dpaux.c @@ -447,10 +447,8 @@ static int tegra_dpaux_probe(struct platform_device *pdev) return PTR_ERR(dpaux->regs); dpaux->irq = platform_get_irq(pdev, 0); - if (dpaux->irq < 0) { - dev_err(&pdev->dev, "failed to get IRQ\n"); - return -ENXIO; - } + if (dpaux->irq < 0) + return dpaux->irq; if (!pdev->dev.pm_domain) { dpaux->rst = devm_reset_control_get(&pdev->dev, "dpaux"); diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index 13413d2b2602..03ccfb6ce8a8 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -1451,9 +1451,11 @@ static int tegra_dsi_ganged_probe(struct tegra_dsi *dsi) np = of_parse_phandle(dsi->dev->of_node, "nvidia,ganged-mode", 0); if (np) { struct platform_device *gangster = of_find_device_by_node(np); + of_node_put(np); + if (!gangster) + return -EPROBE_DEFER; dsi->slave = platform_get_drvdata(gangster); - of_node_put(np); if (!dsi->slave) { put_device(&gangster->dev); @@ -1501,48 +1503,58 @@ static int tegra_dsi_probe(struct platform_device *pdev) if (!pdev->dev.pm_domain) { dsi->rst = devm_reset_control_get(&pdev->dev, "dsi"); - if (IS_ERR(dsi->rst)) - return PTR_ERR(dsi->rst); + if (IS_ERR(dsi->rst)) { + err = PTR_ERR(dsi->rst); + goto remove; + } } dsi->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(dsi->clk)) { - dev_err(&pdev->dev, "cannot get DSI clock\n"); - return PTR_ERR(dsi->clk); + err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk), + "cannot get DSI clock\n"); + goto remove; } dsi->clk_lp = devm_clk_get(&pdev->dev, "lp"); if (IS_ERR(dsi->clk_lp)) { - dev_err(&pdev->dev, "cannot get low-power clock\n"); - return PTR_ERR(dsi->clk_lp); + err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_lp), + "cannot get low-power clock\n"); + goto remove; } dsi->clk_parent = devm_clk_get(&pdev->dev, "parent"); if (IS_ERR(dsi->clk_parent)) { - dev_err(&pdev->dev, "cannot get parent clock\n"); - return PTR_ERR(dsi->clk_parent); + err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_parent), + "cannot get parent clock\n"); + goto remove; } dsi->vdd = devm_regulator_get(&pdev->dev, "avdd-dsi-csi"); if (IS_ERR(dsi->vdd)) { - dev_err(&pdev->dev, "cannot get VDD supply\n"); - return PTR_ERR(dsi->vdd); + err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->vdd), + "cannot get VDD supply\n"); + goto remove; } err = tegra_dsi_setup_clocks(dsi); if (err < 0) { dev_err(&pdev->dev, "cannot setup clocks\n"); - return err; + goto remove; } regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); dsi->regs = devm_ioremap_resource(&pdev->dev, regs); - if (IS_ERR(dsi->regs)) - return PTR_ERR(dsi->regs); + if (IS_ERR(dsi->regs)) { + err = PTR_ERR(dsi->regs); + goto remove; + } - dsi->mipi = tegra_mipi_request(&pdev->dev); - if (IS_ERR(dsi->mipi)) - return PTR_ERR(dsi->mipi); + dsi->mipi = tegra_mipi_request(&pdev->dev, pdev->dev.of_node); + if (IS_ERR(dsi->mipi)) { + err = PTR_ERR(dsi->mipi); + goto remove; + } dsi->host.ops = &tegra_dsi_host_ops; dsi->host.dev = &pdev->dev; @@ -1570,9 +1582,12 @@ static int tegra_dsi_probe(struct platform_device *pdev) return 0; unregister: + pm_runtime_disable(&pdev->dev); mipi_dsi_host_unregister(&dsi->host); mipi_free: tegra_mipi_free(dsi->mipi); +remove: + tegra_output_remove(&dsi->output); return err; } diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c index e34325c83d28..361e67e4cd98 100644 --- a/drivers/gpu/drm/tegra/fb.c +++ b/drivers/gpu/drm/tegra/fb.c @@ -155,6 +155,7 @@ struct drm_framebuffer *tegra_fb_create(struct drm_device *drm, if (gem->size < size) { err = -EINVAL; + drm_gem_object_put(gem); goto unreference; } diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c index bdcaa4c7168c..806249c0b7e8 100644 --- a/drivers/gpu/drm/tegra/output.c +++ b/drivers/gpu/drm/tegra/output.c @@ -127,8 +127,10 @@ int tegra_output_probe(struct tegra_output *output) GPIOD_IN, "HDMI hotplug detect"); if (IS_ERR(output->hpd_gpio)) { - if (PTR_ERR(output->hpd_gpio) != -ENOENT) - return PTR_ERR(output->hpd_gpio); + if (PTR_ERR(output->hpd_gpio) != -ENOENT) { + err = PTR_ERR(output->hpd_gpio); + goto put_i2c; + } output->hpd_gpio = NULL; } @@ -137,7 +139,7 @@ int tegra_output_probe(struct tegra_output *output) err = gpiod_to_irq(output->hpd_gpio); if (err < 0) { dev_err(output->dev, "gpiod_to_irq(): %d\n", err); - return err; + goto put_i2c; } output->hpd_irq = err; @@ -150,7 +152,7 @@ int tegra_output_probe(struct tegra_output *output) if (err < 0) { dev_err(output->dev, "failed to request IRQ#%u: %d\n", output->hpd_irq, err); - return err; + goto put_i2c; } output->connector.polled = DRM_CONNECTOR_POLL_HPD; @@ -168,6 +170,12 @@ int tegra_output_probe(struct tegra_output *output) return -ENOMEM; return 0; + +put_i2c: + if (output->ddc) + i2c_put_adapter(output->ddc); + + return err; } void tegra_output_remove(struct tegra_output *output) diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c index 0419b6105c8a..ccd084abc8c9 100644 --- a/drivers/gpu/drm/tegra/sor.c +++ b/drivers/gpu/drm/tegra/sor.c @@ -906,7 +906,7 @@ static int tegra_sor_compute_config(struct tegra_sor *sor, struct drm_dp_link *link) { const u64 f = 100000, link_rate = link->rate * 1000; - const u64 pclk = mode->clock * 1000; + const u64 pclk = (u64)mode->clock * 1000; u64 input, output, watermark, num; struct tegra_sor_params params; u32 num_syms_per_line; |