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Commit baa68c4b authored by Russell King's avatar Russell King
Browse files

imx-drm: provide common connector mode validation function 



Provide a common connector mode validation function, which can be used
to limit the available modes according to other components in the
system.

Acked-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Acked-by: default avatarShawn Guo <shawn.guo@linaro.org>
Reviewed-by: default avatarFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 887eceac

drivers/staging/imx-drm/imx-drm-core.c

+7 −0
Original line number Diff line number Diff line
@@ -211,6 +211,13 @@ static const struct file_operations imx_drm_driver_fops = { 
	.llseek = noop_llseek,

};



int imx_drm_connector_mode_valid(struct drm_connector *connector,

	struct drm_display_mode *mode)

{

	return MODE_OK;

}

EXPORT_SYMBOL(imx_drm_connector_mode_valid);



static struct imx_drm_device *imx_drm_device;



static struct imx_drm_device *__imx_drm_device(void)

drivers/staging/imx-drm/imx-drm.h

+3 −0
Original line number Diff line number Diff line
@@ -68,4 +68,7 @@ int imx_drm_encoder_get_mux_id(struct drm_encoder *encoder); 
int imx_drm_encoder_add_possible_crtcs(struct imx_drm_encoder *imx_drm_encoder,

		struct device_node *np);



int imx_drm_connector_mode_valid(struct drm_connector *connector,

	struct drm_display_mode *mode);



#endif /* _IMX_DRM_H_ */

drivers/staging/imx-drm/imx-hdmi.c

+1 −8
Original line number Diff line number Diff line
@@ -1406,13 +1406,6 @@ static int imx_hdmi_connector_get_modes(struct drm_connector *connector) 
	return 0;

}



static int imx_hdmi_connector_mode_valid(struct drm_connector *connector,

			  struct drm_display_mode *mode)

{



	return MODE_OK;

}



static struct drm_encoder *imx_hdmi_connector_best_encoder(struct drm_connector

							   *connector)

{
@@ -1501,7 +1494,7 @@ static struct drm_connector_funcs imx_hdmi_connector_funcs = { 


static struct drm_connector_helper_funcs imx_hdmi_connector_helper_funcs = {

	.get_modes = imx_hdmi_connector_get_modes,

	.mode_valid = imx_hdmi_connector_mode_valid,

	.mode_valid = imx_drm_connector_mode_valid,

	.best_encoder = imx_hdmi_connector_best_encoder,

};

drivers/staging/imx-drm/imx-ldb.c

+1 −7
Original line number Diff line number Diff line
@@ -120,12 +120,6 @@ static int imx_ldb_connector_get_modes(struct drm_connector *connector) 
	return num_modes;

}



static int imx_ldb_connector_mode_valid(struct drm_connector *connector,

			  struct drm_display_mode *mode)

{

	return 0;

}



static struct drm_encoder *imx_ldb_connector_best_encoder(

		struct drm_connector *connector)

{
@@ -329,7 +323,7 @@ static struct drm_connector_funcs imx_ldb_connector_funcs = { 
static struct drm_connector_helper_funcs imx_ldb_connector_helper_funcs = {

	.get_modes = imx_ldb_connector_get_modes,

	.best_encoder = imx_ldb_connector_best_encoder,

	.mode_valid = imx_ldb_connector_mode_valid,

	.mode_valid = imx_drm_connector_mode_valid,

};



static struct drm_encoder_funcs imx_ldb_encoder_funcs = {

drivers/staging/imx-drm/imx-tve.c

+5 −0
Original line number Diff line number Diff line
@@ -254,6 +254,11 @@ static int imx_tve_connector_mode_valid(struct drm_connector *connector, 
{

	struct imx_tve *tve = con_to_tve(connector);

	unsigned long rate;

	int ret;



	ret = imx_drm_connector_mode_valid(connector, mode);

	if (ret != MODE_OK)

		return ret;



	/* pixel clock with 2x oversampling */

	rate = clk_round_rate(tve->clk, 2000UL * mode->clock) / 2000;