[PATCH 01/13] drm/omap: panel-dpi: remove non-DT support

2017-05-12 Thread Tomi Valkeinen
Non-DT booting is no longer supported, so remove legacy code.

Signed-off-by: Tomi Valkeinen 
---
 drivers/gpu/drm/omapdrm/displays/panel-dpi.c | 78 +++-
 1 file changed, 6 insertions(+), 72 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c 
b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
index 04ce8c5f2954..75b98bb81de2 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
@@ -18,7 +18,6 @@
 #include 
 #include 
 
-#include 
 #include 
 
 #include "../dss/omapdss.h"
@@ -33,9 +32,6 @@ struct panel_drv_data {
 
struct backlight_device *backlight;
 
-   /* used for non-DT boot, to be removed */
-   int backlight_gpio;
-
struct gpio_desc *enable_gpio;
struct regulator *vcc_supply;
 };
@@ -97,9 +93,6 @@ static int panel_dpi_enable(struct omap_dss_device *dssdev)
 
gpiod_set_value_cansleep(ddata->enable_gpio, 1);
 
-   if (gpio_is_valid(ddata->backlight_gpio))
-   gpio_set_value_cansleep(ddata->backlight_gpio, 1);
-
if (ddata->backlight) {
ddata->backlight->props.power = FB_BLANK_UNBLANK;
backlight_update_status(ddata->backlight);
@@ -118,9 +111,6 @@ static void panel_dpi_disable(struct omap_dss_device 
*dssdev)
if (!omapdss_device_is_enabled(dssdev))
return;
 
-   if (gpio_is_valid(ddata->backlight_gpio))
-   gpio_set_value_cansleep(ddata->backlight_gpio, 0);
-
if (ddata->backlight) {
ddata->backlight->props.power = FB_BLANK_POWERDOWN;
backlight_update_status(ddata->backlight);
@@ -177,47 +167,6 @@ static struct omap_dss_driver panel_dpi_ops = {
.get_resolution = omapdss_default_get_resolution,
 };
 
-static int panel_dpi_probe_pdata(struct platform_device *pdev)
-{
-   const struct panel_dpi_platform_data *pdata;
-   struct panel_drv_data *ddata = platform_get_drvdata(pdev);
-   struct omap_dss_device *dssdev, *in;
-   int r;
-
-   pdata = dev_get_platdata(&pdev->dev);
-
-   in = omap_dss_find_output(pdata->source);
-   if (in == NULL) {
-   dev_err(&pdev->dev, "failed to find video source '%s'\n",
-   pdata->source);
-   return -EPROBE_DEFER;
-   }
-
-   ddata->in = in;
-
-   ddata->data_lines = pdata->data_lines;
-
-   videomode_from_timing(pdata->display_timing, &ddata->vm);
-
-   dssdev = &ddata->dssdev;
-   dssdev->name = pdata->name;
-
-   r = devm_gpio_request_one(&pdev->dev, pdata->enable_gpio,
-   GPIOF_OUT_INIT_LOW, "panel enable");
-   if (r)
-   goto err_gpio;
-
-   ddata->enable_gpio = gpio_to_desc(pdata->enable_gpio);
-
-   ddata->backlight_gpio = pdata->backlight_gpio;
-
-   return 0;
-
-err_gpio:
-   omap_dss_put_device(ddata->in);
-   return r;
-}
-
 static int panel_dpi_probe_of(struct platform_device *pdev)
 {
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
@@ -248,8 +197,6 @@ static int panel_dpi_probe_of(struct platform_device *pdev)
if (IS_ERR(ddata->vcc_supply))
return PTR_ERR(ddata->vcc_supply);
 
-   ddata->backlight_gpio = -ENOENT;
-
bl_node = of_parse_phandle(node, "backlight", 0);
if (bl_node) {
ddata->backlight = of_find_backlight_by_node(bl_node);
@@ -291,30 +238,18 @@ static int panel_dpi_probe(struct platform_device *pdev)
struct omap_dss_device *dssdev;
int r;
 
+   if (!pdev->dev.of_node)
+   return -ENODEV;
+
ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
if (ddata == NULL)
return -ENOMEM;
 
platform_set_drvdata(pdev, ddata);
 
-   if (dev_get_platdata(&pdev->dev)) {
-   r = panel_dpi_probe_pdata(pdev);
-   if (r)
-   return r;
-   } else if (pdev->dev.of_node) {
-   r = panel_dpi_probe_of(pdev);
-   if (r)
-   return r;
-   } else {
-   return -ENODEV;
-   }
-
-   if (gpio_is_valid(ddata->backlight_gpio)) {
-   r = devm_gpio_request_one(&pdev->dev, ddata->backlight_gpio,
-   GPIOF_OUT_INIT_LOW, "panel backlight");
-   if (r)
-   goto err_gpio;
-   }
+   r = panel_dpi_probe_of(pdev);
+   if (r)
+   return r;
 
dssdev = &ddata->dssdev;
dssdev->dev = &pdev->dev;
@@ -333,7 +268,6 @@ static int panel_dpi_probe(struct platform_device *pdev)
return 0;
 
 err_reg:
-err_gpio:
omap_dss_put_device(ddata->in);
return r;
 }
-- 
2.7.4

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Re: [PATCH 01/13] drm/omap: panel-dpi: remove non-DT support

2017-05-12 Thread Laurent Pinchart
Hi Tomi,

Thank you for the patch.

On Friday 12 May 2017 13:41:30 Tomi Valkeinen wrote:
> Non-DT booting is no longer supported, so remove legacy code.
> 
> Signed-off-by: Tomi Valkeinen 
> ---
>  drivers/gpu/drm/omapdrm/displays/panel-dpi.c | 78 +++--
>  1 file changed, 6 insertions(+), 72 deletions(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
> b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c index
> 04ce8c5f2954..75b98bb81de2 100644
> --- a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
> +++ b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
> @@ -18,7 +18,6 @@

I think you can drop linux/of_gpio.h.

>  #include 
>  #include 
> 
> -#include 
>  #include 
> 
>  #include "../dss/omapdss.h"
> @@ -33,9 +32,6 @@ struct panel_drv_data {
> 
>   struct backlight_device *backlight;
> 
> - /* used for non-DT boot, to be removed */
> - int backlight_gpio;
> -
>   struct gpio_desc *enable_gpio;
>   struct regulator *vcc_supply;
>  };
> @@ -97,9 +93,6 @@ static int panel_dpi_enable(struct omap_dss_device
> *dssdev)
> 
>   gpiod_set_value_cansleep(ddata->enable_gpio, 1);
> 
> - if (gpio_is_valid(ddata->backlight_gpio))
> - gpio_set_value_cansleep(ddata->backlight_gpio, 1);
> -
>   if (ddata->backlight) {
>   ddata->backlight->props.power = FB_BLANK_UNBLANK;
>   backlight_update_status(ddata->backlight);
> @@ -118,9 +111,6 @@ static void panel_dpi_disable(struct omap_dss_device
> *dssdev) if (!omapdss_device_is_enabled(dssdev))
>   return;
> 
> - if (gpio_is_valid(ddata->backlight_gpio))
> - gpio_set_value_cansleep(ddata->backlight_gpio, 0);
> -
>   if (ddata->backlight) {
>   ddata->backlight->props.power = FB_BLANK_POWERDOWN;
>   backlight_update_status(ddata->backlight);
> @@ -177,47 +167,6 @@ static struct omap_dss_driver panel_dpi_ops = {
>   .get_resolution = omapdss_default_get_resolution,
>  };
> 
> -static int panel_dpi_probe_pdata(struct platform_device *pdev)
> -{
> - const struct panel_dpi_platform_data *pdata;
> - struct panel_drv_data *ddata = platform_get_drvdata(pdev);
> - struct omap_dss_device *dssdev, *in;
> - int r;
> -
> - pdata = dev_get_platdata(&pdev->dev);
> -
> - in = omap_dss_find_output(pdata->source);
> - if (in == NULL) {
> - dev_err(&pdev->dev, "failed to find video source '%s'\n",
> - pdata->source);
> - return -EPROBE_DEFER;
> - }
> -
> - ddata->in = in;
> -
> - ddata->data_lines = pdata->data_lines;
> -
> - videomode_from_timing(pdata->display_timing, &ddata->vm);
> -
> - dssdev = &ddata->dssdev;
> - dssdev->name = pdata->name;
> -
> - r = devm_gpio_request_one(&pdev->dev, pdata->enable_gpio,
> - GPIOF_OUT_INIT_LOW, "panel enable");
> - if (r)
> - goto err_gpio;
> -
> - ddata->enable_gpio = gpio_to_desc(pdata->enable_gpio);
> -
> - ddata->backlight_gpio = pdata->backlight_gpio;
> -
> - return 0;
> -
> -err_gpio:
> - omap_dss_put_device(ddata->in);
> - return r;
> -}
> -
>  static int panel_dpi_probe_of(struct platform_device *pdev)
>  {
>   struct panel_drv_data *ddata = platform_get_drvdata(pdev);
> @@ -248,8 +197,6 @@ static int panel_dpi_probe_of(struct platform_device
> *pdev) if (IS_ERR(ddata->vcc_supply))
>   return PTR_ERR(ddata->vcc_supply);
> 
> - ddata->backlight_gpio = -ENOENT;
> -
>   bl_node = of_parse_phandle(node, "backlight", 0);
>   if (bl_node) {
>   ddata->backlight = of_find_backlight_by_node(bl_node);
> @@ -291,30 +238,18 @@ static int panel_dpi_probe(struct platform_device
> *pdev) struct omap_dss_device *dssdev;
>   int r;
> 
> + if (!pdev->dev.of_node)
> + return -ENODEV;
> +

This can't happen.

>   ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
>   if (ddata == NULL)
>   return -ENOMEM;
> 
>   platform_set_drvdata(pdev, ddata);
> 
> - if (dev_get_platdata(&pdev->dev)) {
> - r = panel_dpi_probe_pdata(pdev);
> - if (r)
> - return r;
> - } else if (pdev->dev.of_node) {
> - r = panel_dpi_probe_of(pdev);
> - if (r)
> - return r;
> - } else {
> - return -ENODEV;
> - }
> -
> - if (gpio_is_valid(ddata->backlight_gpio)) {
> - r = devm_gpio_request_one(&pdev->dev, ddata->backlight_gpio,
> - GPIOF_OUT_INIT_LOW, "panel backlight");
> - if (r)
> - goto err_gpio;
> - }
> + r = panel_dpi_probe_of(pdev);
> + if (r)
> + return r;
> 
>   dssdev = &ddata->dssdev;
>   dssdev->dev = &pdev->dev;
> @@ -333,7 +268,6 @@ static int panel_dpi_probe(struct platform_device *pdev)
> return 0;
> 
>  err_reg:
> -err_gpio:
>   omap_ds

Re: [PATCH 01/13] drm/omap: panel-dpi: remove non-DT support

2017-05-12 Thread Tomi Valkeinen
Hi,

On 12/05/17 15:08, Laurent Pinchart wrote:
> Hi Tomi,
> 
> Thank you for the patch.
> 
> On Friday 12 May 2017 13:41:30 Tomi Valkeinen wrote:
>> Non-DT booting is no longer supported, so remove legacy code.
>>
>> Signed-off-by: Tomi Valkeinen 
>> ---
>>  drivers/gpu/drm/omapdrm/displays/panel-dpi.c | 78 +++--
>>  1 file changed, 6 insertions(+), 72 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
>> b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c index
>> 04ce8c5f2954..75b98bb81de2 100644
>> --- a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
>> +++ b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
>> @@ -18,7 +18,6 @@
> 
> I think you can drop linux/of_gpio.h.

Yep.

>> +if (!pdev->dev.of_node)
>> +return -ENODEV;
>> +
> 
> This can't happen.

True. I have removed that from the first three patches.

Do you want me to resend, or can I get your reviewed-by?

 Tomi



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Re: [PATCH 01/13] drm/omap: panel-dpi: remove non-DT support

2017-05-12 Thread Laurent Pinchart
Hi Tomi,

On Friday 12 May 2017 15:29:38 Tomi Valkeinen wrote:
> On 12/05/17 15:08, Laurent Pinchart wrote:
> > On Friday 12 May 2017 13:41:30 Tomi Valkeinen wrote:
> >> Non-DT booting is no longer supported, so remove legacy code.
> >> 
> >> Signed-off-by: Tomi Valkeinen 
> >> ---
> >> 
> >>  drivers/gpu/drm/omapdrm/displays/panel-dpi.c | 78 +++---
> >>  1 file changed, 6 insertions(+), 72 deletions(-)
> >> 
> >> diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
> >> b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c index
> >> 04ce8c5f2954..75b98bb81de2 100644
> >> --- a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
> >> +++ b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
> >> @@ -18,7 +18,6 @@
> > 
> > I think you can drop linux/of_gpio.h.
> 
> Yep.
> 
> >> +  if (!pdev->dev.of_node)
> >> +  return -ENODEV;
> >> +
> > 
> > This can't happen.
> 
> True. I have removed that from the first three patches.
> 
> Do you want me to resend, or can I get your reviewed-by?

Reviewed-by: Laurent Pinchart 

-- 
Regards,

Laurent Pinchart

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