diff mbox series

[1/2] drm/panel: NT39016: Add support for multiple modes

Message ID 20200408095830.8131-1-paul@crapouillou.net (mailing list archive)
State New, archived
Headers show
Series [1/2] drm/panel: NT39016: Add support for multiple modes | expand

Commit Message

Paul Cercueil April 8, 2020, 9:58 a.m. UTC
Add support for multiple drm_display_mode entries. This will allow to
add a 50 Hz mode later.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---
 drivers/gpu/drm/panel/panel-novatek-nt39016.c | 33 +++++++++++++------
 1 file changed, 23 insertions(+), 10 deletions(-)

Comments

Paul Cercueil April 8, 2020, 10:12 a.m. UTC | #1
Hi Sam,


Le mer. 8 avril 2020 à 12:04, Sam Ravnborg <sam@ravnborg.org> a écrit 
:
> Hi Paul.
> 
> On Wed, Apr 08, 2020 at 11:58:29AM +0200, Paul Cercueil wrote:
>>  Add support for multiple drm_display_mode entries. This will allow 
>> to
>>  add a 50 Hz mode later.
>> 
>>  Signed-off-by: Paul Cercueil <paul@crapouillou.net>
> Patch looks good.
> 
> Could we please use lower case in the $subject?

You mean 's/Add/add/' or the panel name as well?

-Paul

> Acked-by: Sam Ravnborg <sam@ravnborg.org>
> 
> I asume you will apply yourself.
> 
> 	Sam
> 
>>  ---
>>   drivers/gpu/drm/panel/panel-novatek-nt39016.c | 33 
>> +++++++++++++------
>>   1 file changed, 23 insertions(+), 10 deletions(-)
>> 
>>  diff --git a/drivers/gpu/drm/panel/panel-novatek-nt39016.c 
>> b/drivers/gpu/drm/panel/panel-novatek-nt39016.c
>>  index a470810f7dbe..f1286cf6528b 100644
>>  --- a/drivers/gpu/drm/panel/panel-novatek-nt39016.c
>>  +++ b/drivers/gpu/drm/panel/panel-novatek-nt39016.c
>>  @@ -49,7 +49,8 @@ enum nt39016_regs {
>>   #define NT39016_SYSTEM_STANDBY	BIT(1)
>> 
>>   struct nt39016_panel_info {
>>  -	struct drm_display_mode display_mode;
>>  +	const struct drm_display_mode *display_modes;
>>  +	unsigned int num_modes;
>>   	u16 width_mm, height_mm;
>>   	u32 bus_format, bus_flags;
>>   };
>>  @@ -212,15 +213,22 @@ static int nt39016_get_modes(struct drm_panel 
>> *drm_panel,
>>   	struct nt39016 *panel = to_nt39016(drm_panel);
>>   	const struct nt39016_panel_info *panel_info = panel->panel_info;
>>   	struct drm_display_mode *mode;
>>  +	unsigned int i;
>> 
>>  -	mode = drm_mode_duplicate(connector->dev, 
>> &panel_info->display_mode);
>>  -	if (!mode)
>>  -		return -ENOMEM;
>>  +	for (i = 0; i < panel_info->num_modes; i++) {
>>  +		mode = drm_mode_duplicate(connector->dev,
>>  +					  &panel_info->display_modes[i]);
>>  +		if (!mode)
>>  +			return -ENOMEM;
>>  +
>>  +		drm_mode_set_name(mode);
>> 
>>  -	drm_mode_set_name(mode);
>>  +		mode->type = DRM_MODE_TYPE_DRIVER;
>>  +		if (panel_info->num_modes == 1)
>>  +			mode->type |= DRM_MODE_TYPE_PREFERRED;
>> 
>>  -	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
>>  -	drm_mode_probed_add(connector, mode);
>>  +		drm_mode_probed_add(connector, mode);
>>  +	}
>> 
>>   	connector->display_info.bpc = 8;
>>   	connector->display_info.width_mm = panel_info->width_mm;
>>  @@ -230,7 +238,7 @@ static int nt39016_get_modes(struct drm_panel 
>> *drm_panel,
>>   					 &panel_info->bus_format, 1);
>>   	connector->display_info.bus_flags = panel_info->bus_flags;
>> 
>>  -	return 1;
>>  +	return panel_info->num_modes;
>>   }
>> 
>>   static const struct drm_panel_funcs nt39016_funcs = {
>>  @@ -316,8 +324,8 @@ static int nt39016_remove(struct spi_device 
>> *spi)
>>   	return 0;
>>   }
>> 
>>  -static const struct nt39016_panel_info kd035g6_info = {
>>  -	.display_mode = {
>>  +static const struct drm_display_mode kd035g6_display_modes[] = {
>>  +	{
>>   		.clock = 6000,
>>   		.hdisplay = 320,
>>   		.hsync_start = 320 + 10,
>>  @@ -330,6 +338,11 @@ static const struct nt39016_panel_info 
>> kd035g6_info = {
>>   		.vrefresh = 60,
>>   		.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
>>   	},
>>  +};
>>  +
>>  +static const struct nt39016_panel_info kd035g6_info = {
>>  +	.display_modes = kd035g6_display_modes,
>>  +	.num_modes = ARRAY_SIZE(kd035g6_display_modes),
>>   	.width_mm = 71,
>>   	.height_mm = 53,
>>   	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
>>  --
>>  2.25.1
diff mbox series

Patch

diff --git a/drivers/gpu/drm/panel/panel-novatek-nt39016.c b/drivers/gpu/drm/panel/panel-novatek-nt39016.c
index a470810f7dbe..f1286cf6528b 100644
--- a/drivers/gpu/drm/panel/panel-novatek-nt39016.c
+++ b/drivers/gpu/drm/panel/panel-novatek-nt39016.c
@@ -49,7 +49,8 @@  enum nt39016_regs {
 #define NT39016_SYSTEM_STANDBY	BIT(1)
 
 struct nt39016_panel_info {
-	struct drm_display_mode display_mode;
+	const struct drm_display_mode *display_modes;
+	unsigned int num_modes;
 	u16 width_mm, height_mm;
 	u32 bus_format, bus_flags;
 };
@@ -212,15 +213,22 @@  static int nt39016_get_modes(struct drm_panel *drm_panel,
 	struct nt39016 *panel = to_nt39016(drm_panel);
 	const struct nt39016_panel_info *panel_info = panel->panel_info;
 	struct drm_display_mode *mode;
+	unsigned int i;
 
-	mode = drm_mode_duplicate(connector->dev, &panel_info->display_mode);
-	if (!mode)
-		return -ENOMEM;
+	for (i = 0; i < panel_info->num_modes; i++) {
+		mode = drm_mode_duplicate(connector->dev,
+					  &panel_info->display_modes[i]);
+		if (!mode)
+			return -ENOMEM;
+
+		drm_mode_set_name(mode);
 
-	drm_mode_set_name(mode);
+		mode->type = DRM_MODE_TYPE_DRIVER;
+		if (panel_info->num_modes == 1)
+			mode->type |= DRM_MODE_TYPE_PREFERRED;
 
-	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
-	drm_mode_probed_add(connector, mode);
+		drm_mode_probed_add(connector, mode);
+	}
 
 	connector->display_info.bpc = 8;
 	connector->display_info.width_mm = panel_info->width_mm;
@@ -230,7 +238,7 @@  static int nt39016_get_modes(struct drm_panel *drm_panel,
 					 &panel_info->bus_format, 1);
 	connector->display_info.bus_flags = panel_info->bus_flags;
 
-	return 1;
+	return panel_info->num_modes;
 }
 
 static const struct drm_panel_funcs nt39016_funcs = {
@@ -316,8 +324,8 @@  static int nt39016_remove(struct spi_device *spi)
 	return 0;
 }
 
-static const struct nt39016_panel_info kd035g6_info = {
-	.display_mode = {
+static const struct drm_display_mode kd035g6_display_modes[] = {
+	{
 		.clock = 6000,
 		.hdisplay = 320,
 		.hsync_start = 320 + 10,
@@ -330,6 +338,11 @@  static const struct nt39016_panel_info kd035g6_info = {
 		.vrefresh = 60,
 		.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
 	},
+};
+
+static const struct nt39016_panel_info kd035g6_info = {
+	.display_modes = kd035g6_display_modes,
+	.num_modes = ARRAY_SIZE(kd035g6_display_modes),
 	.width_mm = 71,
 	.height_mm = 53,
 	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,