From e03dc19ba9c7ebc48cedc9cb797fa42dff302565 Mon Sep 17 00:00:00 2001 From: Jason Jin Date: Fri, 14 Aug 2015 13:54:09 +0800 Subject: video: fbdev: fsl: Fix the sleep function for FSL DIU module For deep sleep, the diu module will power off, when wake up from the deep sleep, the registers need to be reinitialized. Signed-off-by: Jason Jin Signed-off-by: Wang Dongsheng Acked-by: Timur Tabi Signed-off-by: Tomi Valkeinen --- drivers/video/fbdev/fsl-diu-fb.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/video/fbdev/fsl-diu-fb.c b/drivers/video/fbdev/fsl-diu-fb.c index 7fa2e6f9e322..b335c1ae8625 100644 --- a/drivers/video/fbdev/fsl-diu-fb.c +++ b/drivers/video/fbdev/fsl-diu-fb.c @@ -1628,9 +1628,16 @@ static int fsl_diu_suspend(struct platform_device *ofdev, pm_message_t state) static int fsl_diu_resume(struct platform_device *ofdev) { struct fsl_diu_data *data; + unsigned int i; data = dev_get_drvdata(&ofdev->dev); - enable_lcdc(data->fsl_diu_info); + + fsl_diu_enable_interrupts(data); + update_lcdc(data->fsl_diu_info); + for (i = 0; i < NUM_AOIS; i++) { + if (data->mfb[i].count) + fsl_diu_enable_panel(&data->fsl_diu_info[i]); + } return 0; } -- cgit v1.2.3-58-ga151 From 8e9191ac7b29a250b2baab7069ea9cc614c5133c Mon Sep 17 00:00:00 2001 From: Luis de Bethencourt Date: Fri, 18 Sep 2015 20:46:09 +0200 Subject: video: fbdev: mb862xx: Fix module autoload for OF platform driver This platform driver has a OF device ID table but the OF module alias information is not created so module autoloading won't work. Signed-off-by: Luis de Bethencourt Signed-off-by: Tomi Valkeinen --- drivers/video/fbdev/mb862xx/mb862xxfbdrv.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c index 9b8bebdf8f86..f9ec5c0484fa 100644 --- a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c +++ b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c @@ -831,6 +831,7 @@ static struct of_device_id of_platform_mb862xx_tbl[] = { { .compatible = "fujitsu,coral", }, { /* end */ } }; +MODULE_DEVICE_TABLE(of, of_platform_mb862xx_tbl); static struct platform_driver of_platform_mb862xxfb_driver = { .driver = { -- cgit v1.2.3-58-ga151 From 7f2ea957c1152a7b57c22af2ae603bf66965c06e Mon Sep 17 00:00:00 2001 From: Ondrej Zary Date: Mon, 24 Aug 2015 21:37:25 +0200 Subject: tridentfb: fix hang on Blade3D with CONFIG_CC_OPTIMIZE_FOR_SIZE When the kernel is compiled with -Os (CONFIG_CC_OPTIMIZE_FOR_SIZE), tridentfb hangs the machine upon load with Blade3D cards unless acceleration is disabled. This is caused by memcpy() which copies data byte-by-byte (rep movsb) when compiled with -Os. The card does not like that - it requires 32-bit access. Use iowrite_32() instead. Signed-off-by: Ondrej Zary Acked-by: Krzysztof Helt Signed-off-by: Tomi Valkeinen --- drivers/video/fbdev/tridentfb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c index 7ed9a227f5ea..742971304717 100644 --- a/drivers/video/fbdev/tridentfb.c +++ b/drivers/video/fbdev/tridentfb.c @@ -226,7 +226,7 @@ static void blade_image_blit(struct tridentfb_par *par, const char *data, writemmr(par, DST1, point(x, y)); writemmr(par, DST2, point(x + w - 1, y + h - 1)); - memcpy(par->io_virt + 0x10000, data, 4 * size); + iowrite32_rep(par->io_virt + 0x10000, data, size); } static void blade_copy_rect(struct tridentfb_par *par, -- cgit v1.2.3-58-ga151 From 23aa4db78aa7da994ae12d85acf7413ba2517946 Mon Sep 17 00:00:00 2001 From: Ondrej Zary Date: Mon, 24 Aug 2015 21:37:26 +0200 Subject: tridentfb: Fix set_lwidth on TGUI9440 and CYBER9320 According to X.Org driver, chips older than TGUI9660 have only 1 width bit in AddColReg. Touching the 2nd one causes I2C/DDC to fail on TGUI9440. Set only 1 bit of width in AddColReg on TGUI9440 and CYBER9320. Signed-off-by: Ondrej Zary Signed-off-by: Tomi Valkeinen --- drivers/video/fbdev/tridentfb.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c index 742971304717..01b43e9ce941 100644 --- a/drivers/video/fbdev/tridentfb.c +++ b/drivers/video/fbdev/tridentfb.c @@ -673,8 +673,14 @@ static int get_nativex(struct tridentfb_par *par) static inline void set_lwidth(struct tridentfb_par *par, int width) { write3X4(par, VGA_CRTC_OFFSET, width & 0xFF); - write3X4(par, AddColReg, - (read3X4(par, AddColReg) & 0xCF) | ((width & 0x300) >> 4)); + /* chips older than TGUI9660 have only 1 width bit in AddColReg */ + /* touching the other one breaks I2C/DDC */ + if (par->chip_id == TGUI9440 || par->chip_id == CYBER9320) + write3X4(par, AddColReg, + (read3X4(par, AddColReg) & 0xEF) | ((width & 0x100) >> 4)); + else + write3X4(par, AddColReg, + (read3X4(par, AddColReg) & 0xCF) | ((width & 0x300) >> 4)); } /* For resolutions smaller than FP resolution stretch */ -- cgit v1.2.3-58-ga151 From ad38cc5f6d4f2c74ed69e2c017691e428549b2bd Mon Sep 17 00:00:00 2001 From: Vladimir Zapolskiy Date: Tue, 15 Sep 2015 16:12:33 +0300 Subject: fbdev: omap2: connector-dvi: use of_get_i2c_adapter_by_node interface This change is needed to properly lock I2C bus driver, which serves DDC. Prior to this change i2c_put_adapter() is misused, which may lead to an overflow over zero of I2C bus driver user counter. Signed-off-by: Vladimir Zapolskiy Signed-off-by: Tomi Valkeinen --- drivers/video/fbdev/omap2/displays-new/connector-dvi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/fbdev/omap2/displays-new/connector-dvi.c b/drivers/video/fbdev/omap2/displays-new/connector-dvi.c index a8ce920fa797..d811e6dcaef7 100644 --- a/drivers/video/fbdev/omap2/displays-new/connector-dvi.c +++ b/drivers/video/fbdev/omap2/displays-new/connector-dvi.c @@ -294,7 +294,7 @@ static int dvic_probe_of(struct platform_device *pdev) adapter_node = of_parse_phandle(node, "ddc-i2c-bus", 0); if (adapter_node) { - adapter = of_find_i2c_adapter_by_node(adapter_node); + adapter = of_get_i2c_adapter_by_node(adapter_node); if (adapter == NULL) { dev_err(&pdev->dev, "failed to parse ddc-i2c-bus\n"); omap_dss_put_device(ddata->in); -- cgit v1.2.3-58-ga151 From 4bdb4629867babb7a3d93548aa69a4ef07fc36c0 Mon Sep 17 00:00:00 2001 From: Javier Martinez Canillas Date: Wed, 16 Sep 2015 11:12:34 +0200 Subject: OMAPDSS: panel-sony-acx565akm: Export OF module alias information Drivers needs to export the OF id table and this be built into the module or udev won't have the necessary information to autoload the driver module when the device is registered via OF. Signed-off-by: Javier Martinez Canillas Signed-off-by: Tomi Valkeinen --- drivers/video/fbdev/omap2/displays-new/panel-sony-acx565akm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/fbdev/omap2/displays-new/panel-sony-acx565akm.c b/drivers/video/fbdev/omap2/displays-new/panel-sony-acx565akm.c index 90cbc4c3406c..c581231c74a5 100644 --- a/drivers/video/fbdev/omap2/displays-new/panel-sony-acx565akm.c +++ b/drivers/video/fbdev/omap2/displays-new/panel-sony-acx565akm.c @@ -898,6 +898,7 @@ static const struct of_device_id acx565akm_of_match[] = { { .compatible = "omapdss,sony,acx565akm", }, {}, }; +MODULE_DEVICE_TABLE(of, acx565akm_of_match); static struct spi_driver acx565akm_driver = { .driver = { -- cgit v1.2.3-58-ga151 From 4d370b74e7ce175f26654fe2db49db342566cdc8 Mon Sep 17 00:00:00 2001 From: Sudip Mukherjee Date: Sat, 26 Sep 2015 14:22:10 +0530 Subject: fbdev: broadsheetfb: fix memory leak We have requested the firmware and it was loaded but we missed releasing it both on success and error. Signed-off-by: Sudip Mukherjee Signed-off-by: Tomi Valkeinen --- drivers/video/fbdev/broadsheetfb.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/video/fbdev/broadsheetfb.c b/drivers/video/fbdev/broadsheetfb.c index 0e5fde1d3ffb..9f9a7bef1ff6 100644 --- a/drivers/video/fbdev/broadsheetfb.c +++ b/drivers/video/fbdev/broadsheetfb.c @@ -752,7 +752,7 @@ static ssize_t broadsheet_loadstore_waveform(struct device *dev, if ((fw_entry->size < 8*1024) || (fw_entry->size > 64*1024)) { dev_err(dev, "Invalid waveform\n"); err = -EINVAL; - goto err_failed; + goto err_fw; } mutex_lock(&(par->io_lock)); @@ -762,13 +762,15 @@ static ssize_t broadsheet_loadstore_waveform(struct device *dev, mutex_unlock(&(par->io_lock)); if (err < 0) { dev_err(dev, "Failed to store broadsheet waveform\n"); - goto err_failed; + goto err_fw; } dev_info(dev, "Stored broadsheet waveform, size %zd\n", fw_entry->size); - return len; + err = len; +err_fw: + release_firmware(fw_entry); err_failed: return err; } -- cgit v1.2.3-58-ga151 From d663baba8b16f3097ac3fb5baf97c54970d2f1ff Mon Sep 17 00:00:00 2001 From: Sudip Mukherjee Date: Wed, 30 Sep 2015 15:24:08 +0530 Subject: video: of: fix memory leak If of_parse_display_timing() fails we are printing an error message and jumping to the error path but we missed freeing "dt". Signed-off-by: Sudip Mukherjee Signed-off-by: Tomi Valkeinen --- drivers/video/of_display_timing.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c index 32d8275e4c88..8a1076beecd3 100644 --- a/drivers/video/of_display_timing.c +++ b/drivers/video/of_display_timing.c @@ -210,6 +210,7 @@ struct display_timings *of_get_display_timings(struct device_node *np) */ pr_err("%s: error in timing %d\n", of_node_full_name(np), disp->num_timings + 1); + kfree(dt); goto timingfail; } -- cgit v1.2.3-58-ga151