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: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: Shawn Guo <shawn.guo@linaro.org> Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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@ -211,6 +211,13 @@ static const struct file_operations imx_drm_driver_fops = {
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.llseek = noop_llseek,
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};
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int imx_drm_connector_mode_valid(struct drm_connector *connector,
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struct drm_display_mode *mode)
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{
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return MODE_OK;
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}
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EXPORT_SYMBOL(imx_drm_connector_mode_valid);
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static struct imx_drm_device *imx_drm_device;
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static struct imx_drm_device *__imx_drm_device(void)
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@ -68,4 +68,7 @@ int imx_drm_encoder_get_mux_id(struct drm_encoder *encoder);
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int imx_drm_encoder_add_possible_crtcs(struct imx_drm_encoder *imx_drm_encoder,
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struct device_node *np);
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int imx_drm_connector_mode_valid(struct drm_connector *connector,
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struct drm_display_mode *mode);
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#endif /* _IMX_DRM_H_ */
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@ -1406,13 +1406,6 @@ static int imx_hdmi_connector_get_modes(struct drm_connector *connector)
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return 0;
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}
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static int imx_hdmi_connector_mode_valid(struct drm_connector *connector,
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struct drm_display_mode *mode)
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{
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return MODE_OK;
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}
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static struct drm_encoder *imx_hdmi_connector_best_encoder(struct drm_connector
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*connector)
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{
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@ -1501,7 +1494,7 @@ static struct drm_connector_funcs imx_hdmi_connector_funcs = {
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static struct drm_connector_helper_funcs imx_hdmi_connector_helper_funcs = {
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.get_modes = imx_hdmi_connector_get_modes,
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.mode_valid = imx_hdmi_connector_mode_valid,
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.mode_valid = imx_drm_connector_mode_valid,
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.best_encoder = imx_hdmi_connector_best_encoder,
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};
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@ -120,12 +120,6 @@ static int imx_ldb_connector_get_modes(struct drm_connector *connector)
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return num_modes;
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}
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static int imx_ldb_connector_mode_valid(struct drm_connector *connector,
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struct drm_display_mode *mode)
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{
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return 0;
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}
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static struct drm_encoder *imx_ldb_connector_best_encoder(
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struct drm_connector *connector)
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{
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@ -329,7 +323,7 @@ static struct drm_connector_funcs imx_ldb_connector_funcs = {
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static struct drm_connector_helper_funcs imx_ldb_connector_helper_funcs = {
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.get_modes = imx_ldb_connector_get_modes,
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.best_encoder = imx_ldb_connector_best_encoder,
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.mode_valid = imx_ldb_connector_mode_valid,
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.mode_valid = imx_drm_connector_mode_valid,
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};
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static struct drm_encoder_funcs imx_ldb_encoder_funcs = {
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@ -254,6 +254,11 @@ static int imx_tve_connector_mode_valid(struct drm_connector *connector,
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{
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struct imx_tve *tve = con_to_tve(connector);
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unsigned long rate;
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int ret;
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ret = imx_drm_connector_mode_valid(connector, mode);
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if (ret != MODE_OK)
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return ret;
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/* pixel clock with 2x oversampling */
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rate = clk_round_rate(tve->clk, 2000UL * mode->clock) / 2000;
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@ -85,12 +85,6 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector)
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return num_modes;
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}
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static int imx_pd_connector_mode_valid(struct drm_connector *connector,
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struct drm_display_mode *mode)
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{
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return 0;
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}
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static struct drm_encoder *imx_pd_connector_best_encoder(
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struct drm_connector *connector)
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{
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@ -147,7 +141,7 @@ static struct drm_connector_funcs imx_pd_connector_funcs = {
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static struct drm_connector_helper_funcs imx_pd_connector_helper_funcs = {
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.get_modes = imx_pd_connector_get_modes,
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.best_encoder = imx_pd_connector_best_encoder,
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.mode_valid = imx_pd_connector_mode_valid,
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.mode_valid = imx_drm_connector_mode_valid,
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};
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static struct drm_encoder_funcs imx_pd_encoder_funcs = {
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