Commit baa68c4b authored by Russell King's avatar Russell King

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
......@@ -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)
......
......@@ -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_ */
......@@ -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,
};
......
......@@ -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 = {
......
......@@ -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;
......
......@@ -85,12 +85,6 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector)
return num_modes;
}
static int imx_pd_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
return 0;
}
static struct drm_encoder *imx_pd_connector_best_encoder(
struct drm_connector *connector)
{
......@@ -147,7 +141,7 @@ static struct drm_connector_funcs imx_pd_connector_funcs = {
static struct drm_connector_helper_funcs imx_pd_connector_helper_funcs = {
.get_modes = imx_pd_connector_get_modes,
.best_encoder = imx_pd_connector_best_encoder,
.mode_valid = imx_pd_connector_mode_valid,
.mode_valid = imx_drm_connector_mode_valid,
};
static struct drm_encoder_funcs imx_pd_encoder_funcs = {
......
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