From 0fd9560257e9491b9f8ff55e882099e171277fb5 Mon Sep 17 00:00:00 2001 From: Sathya Prakash M R Date: Thu, 12 Sep 2013 14:12:55 +0530 Subject: OMAPDSS: Return right error during connector probe While using HDMI connector driver with sil9022 encoder came across issue where connector driver is probed first. This resulted in error. A deffered probe solved this. Most connector drivers need a encoder driver as their video source. This patch ensures we do a probe defferal if video source is not present for connector drivers. Signed-off-by: Sathya Prakash M R Signed-off-by: Tomi Valkeinen --- drivers/video/omap2/displays-new/connector-analog-tv.c | 2 +- drivers/video/omap2/displays-new/connector-dvi.c | 2 +- drivers/video/omap2/displays-new/connector-hdmi.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/video/omap2/displays-new/connector-analog-tv.c b/drivers/video/omap2/displays-new/connector-analog-tv.c index 1b60698f141e..ccd9073f706f 100644 --- a/drivers/video/omap2/displays-new/connector-analog-tv.c +++ b/drivers/video/omap2/displays-new/connector-analog-tv.c @@ -191,7 +191,7 @@ static int tvc_probe_pdata(struct platform_device *pdev) in = omap_dss_find_output(pdata->source); if (in == NULL) { dev_err(&pdev->dev, "Failed to find video source\n"); - return -ENODEV; + return -EPROBE_DEFER; } ddata->in = in; diff --git a/drivers/video/omap2/displays-new/connector-dvi.c b/drivers/video/omap2/displays-new/connector-dvi.c index bc5f8ceda371..63d88ee6dfe4 100644 --- a/drivers/video/omap2/displays-new/connector-dvi.c +++ b/drivers/video/omap2/displays-new/connector-dvi.c @@ -263,7 +263,7 @@ static int dvic_probe_pdata(struct platform_device *pdev) in = omap_dss_find_output(pdata->source); if (in == NULL) { dev_err(&pdev->dev, "Failed to find video source\n"); - return -ENODEV; + return -EPROBE_DEFER; } ddata->in = in; diff --git a/drivers/video/omap2/displays-new/connector-hdmi.c b/drivers/video/omap2/displays-new/connector-hdmi.c index c5826716d6ab..9abe2c039ae9 100644 --- a/drivers/video/omap2/displays-new/connector-hdmi.c +++ b/drivers/video/omap2/displays-new/connector-hdmi.c @@ -290,7 +290,7 @@ static int hdmic_probe_pdata(struct platform_device *pdev) in = omap_dss_find_output(pdata->source); if (in == NULL) { dev_err(&pdev->dev, "Failed to find video source\n"); - return -ENODEV; + return -EPROBE_DEFER; } ddata->in = in; -- cgit v1.2.3 From 48664b21aeeffb40c5fa06843f18052e2c4ec9ef Mon Sep 17 00:00:00 2001 From: Tomi Valkeinen Date: Thu, 19 Sep 2013 12:59:57 +0300 Subject: OMAPDSS: DISPC: set irq_safe for runtime PM We have a bug with omapdrm, where omapdrm calls dispc's pm_runtime function in atomic context, and dispc's pm_runtime is not marked as irq_safe: BUG: sleeping function called from invalid context at drivers/base/power/runtime.c:952 Dispc's runtime PM callbacks are irq safe, so we can just set the irq_safe flag to fix the issue. However, in the long term, I'd rather have omapdrm manage the runtime PM calls in a better way. Calling get/put for every small operation that touches the dispc registers is very inefficient. It'd be better and cleaner to have clear "in-use" and "not-in-use" states for dispc, so that we don't need to do register context restore for small operations, only to turn dispc off right afterwards. Signed-off-by: Tomi Valkeinen --- drivers/video/omap2/dss/dispc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index 02a7340111df..477975009eee 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -3691,6 +3691,7 @@ static int __init omap_dispchw_probe(struct platform_device *pdev) } pm_runtime_enable(&pdev->dev); + pm_runtime_irq_safe(&pdev->dev); r = dispc_runtime_get(); if (r) -- cgit v1.2.3 From 633358e9ff19145fde81903a8310ecc252dc8bca Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 25 Sep 2013 12:31:01 +0100 Subject: OMAPDSS: Add missing dependency on backlight for DSI-CM panel drier The DSI-CM driver uses the backlight class so needs to build depend on it. Signed-off-by: Mark Brown Reviewed-by: Jingoo Han Signed-off-by: Tomi Valkeinen --- drivers/video/omap2/displays-new/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/omap2/displays-new/Kconfig b/drivers/video/omap2/displays-new/Kconfig index 6c90885b0940..10b25e7cd878 100644 --- a/drivers/video/omap2/displays-new/Kconfig +++ b/drivers/video/omap2/displays-new/Kconfig @@ -35,6 +35,7 @@ config DISPLAY_PANEL_DPI config DISPLAY_PANEL_DSI_CM tristate "Generic DSI Command Mode Panel" + depends on BACKLIGHT_CLASS_DEVICE help Driver for generic DSI command mode panels. -- cgit v1.2.3 From fb8a15079a579f4cd0e01c9d37e868f5c2b4994c Mon Sep 17 00:00:00 2001 From: Uwe Kleine-König Date: Mon, 23 Sep 2013 18:13:10 +0200 Subject: video: mmp: drop needless devm cleanup MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The nice thing about devm_* is that the driver doesn't need to free the resources but the driver core takes care about that. This also simplifies the error path quite a bit and removes the wrong check for a clock pointer being NULL. Russell King - ARM Linux : "And this patch also fixes the above: disabling/unpreparing _after_ putting the thing - which was quite silly... :)" Signed-off-by: Uwe Kleine-König Signed-off-by: Tomi Valkeinen --- drivers/video/mmp/hw/mmp_ctrl.c | 17 ++--------------- 1 file changed, 2 insertions(+), 15 deletions(-) diff --git a/drivers/video/mmp/hw/mmp_ctrl.c b/drivers/video/mmp/hw/mmp_ctrl.c index 75dca19bf214..6ac755270ab4 100644 --- a/drivers/video/mmp/hw/mmp_ctrl.c +++ b/drivers/video/mmp/hw/mmp_ctrl.c @@ -514,7 +514,7 @@ static int mmphw_probe(struct platform_device *pdev) if (IS_ERR(ctrl->clk)) { dev_err(ctrl->dev, "unable to get clk %s\n", mi->clk_name); ret = -ENOENT; - goto failed_get_clk; + goto failed; } clk_prepare_enable(ctrl->clk); @@ -551,21 +551,8 @@ failed_path_init: path_deinit(path_plat); } - if (ctrl->clk) { - devm_clk_put(ctrl->dev, ctrl->clk); - clk_disable_unprepare(ctrl->clk); - } -failed_get_clk: - devm_free_irq(ctrl->dev, ctrl->irq, ctrl); + clk_disable_unprepare(ctrl->clk); failed: - if (ctrl) { - if (ctrl->reg_base) - devm_iounmap(ctrl->dev, ctrl->reg_base); - devm_release_mem_region(ctrl->dev, res->start, - resource_size(res)); - devm_kfree(ctrl->dev, ctrl); - } - dev_err(&pdev->dev, "device init failed\n"); return ret; -- cgit v1.2.3 From a2a6fc5f182fdb179a4f5262ee77c2c2684fe0cd Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Mon, 23 Sep 2013 23:00:15 +0800 Subject: s3fb: fix error return code in s3_pci_probe() Fix to return -EINVAL when virtual vertical size smaller than real instead of 0, as done elsewhere in this function. Also remove dup code. Signed-off-by: Wei Yongjun Signed-off-by: Tomi Valkeinen --- drivers/video/s3fb.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c index 47ca86c5c6c0..d838ba829459 100644 --- a/drivers/video/s3fb.c +++ b/drivers/video/s3fb.c @@ -1336,14 +1336,7 @@ static int s3_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) (info->var.bits_per_pixel * info->var.xres_virtual); if (info->var.yres_virtual < info->var.yres) { dev_err(info->device, "virtual vertical size smaller than real\n"); - goto err_find_mode; - } - - /* maximize virtual vertical size for fast scrolling */ - info->var.yres_virtual = info->fix.smem_len * 8 / - (info->var.bits_per_pixel * info->var.xres_virtual); - if (info->var.yres_virtual < info->var.yres) { - dev_err(info->device, "virtual vertical size smaller than real\n"); + rc = -EINVAL; goto err_find_mode; } -- cgit v1.2.3 From 8c42cf75490a90f6016a027765a4f053d7ba2f37 Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Mon, 23 Sep 2013 23:00:34 +0800 Subject: neofb: fix error return code in neofb_probe() Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Signed-off-by: Wei Yongjun Signed-off-by: Tomi Valkeinen --- drivers/video/neofb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c index 7ef079c146e7..c172a5281f9e 100644 --- a/drivers/video/neofb.c +++ b/drivers/video/neofb.c @@ -2075,6 +2075,7 @@ static int neofb_probe(struct pci_dev *dev, const struct pci_device_id *id) if (!fb_find_mode(&info->var, info, mode_option, NULL, 0, info->monspecs.modedb, 16)) { printk(KERN_ERR "neofb: Unable to find usable video mode.\n"); + err = -EINVAL; goto err_map_video; } @@ -2097,7 +2098,8 @@ static int neofb_probe(struct pci_dev *dev, const struct pci_device_id *id) info->fix.smem_len >> 10, info->var.xres, info->var.yres, h_sync / 1000, h_sync % 1000, v_sync); - if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) + err = fb_alloc_cmap(&info->cmap, 256, 0); + if (err < 0) goto err_map_video; err = register_framebuffer(info); -- cgit v1.2.3 From 60119a1d686702504fa4cbe666cbcb96744b175c Mon Sep 17 00:00:00 2001 From: Andrzej Hajda Date: Wed, 25 Sep 2013 13:51:31 +0200 Subject: video: of: display_timing: correct display-timings node finding of_get_display_timing(s) use of_find_node_by_name to get child node, this is incorrect, of_get_child_by_name should be used instead. The patch fixes it. Small typo is also corrected. Signed-off-by: Andrzej Hajda Signed-off-by: Kyungmin Park Signed-off-by: Tomi Valkeinen --- drivers/video/of_display_timing.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c index 171821ddd78d..ba5b40f581f6 100644 --- a/drivers/video/of_display_timing.c +++ b/drivers/video/of_display_timing.c @@ -120,7 +120,7 @@ int of_get_display_timing(struct device_node *np, const char *name, return -EINVAL; } - timing_np = of_find_node_by_name(np, name); + timing_np = of_get_child_by_name(np, name); if (!timing_np) { pr_err("%s: could not find node '%s'\n", of_node_full_name(np), name); @@ -143,11 +143,11 @@ struct display_timings *of_get_display_timings(struct device_node *np) struct display_timings *disp; if (!np) { - pr_err("%s: no devicenode given\n", of_node_full_name(np)); + pr_err("%s: no device node given\n", of_node_full_name(np)); return NULL; } - timings_np = of_find_node_by_name(np, "display-timings"); + timings_np = of_get_child_by_name(np, "display-timings"); if (!timings_np) { pr_err("%s: could not find display-timings node\n", of_node_full_name(np)); -- cgit v1.2.3 From 6d0bb818041a02be682abadb3ba35ff608f7d60a Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Thu, 26 Sep 2013 13:13:58 +0200 Subject: video: mxsfb: Add missing break Add missing break into the restore function. Signed-off-by: Marek Vasut Cc: Fabio Estevam Cc: Shawn Guo Cc: Tomi Valkeinen Signed-off-by: Tomi Valkeinen --- drivers/video/mxsfb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index d250ed0f806d..27197a8048c0 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -620,6 +620,7 @@ static int mxsfb_restore_mode(struct mxsfb_info *host) break; case 3: bits_per_pixel = 32; + break; case 1: default: return -EINVAL; -- cgit v1.2.3