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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>
This commit is contained in:
Russell King 2013-11-09 11:20:55 +00:00
parent 887eceacc5
commit baa68c4bfd
6 changed files with 18 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/staging/imx-drm/imx-drm-core.c
View File

@ -211,6 +211,13 @@ static const struct file_operations imx_drm_driver_fops = {
.llseek = noop_llseek, .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;
static struct imx_drm_device *__imx_drm_device(void) static struct imx_drm_device *__imx_drm_device(void)

3
drivers/staging/imx-drm/imx-drm.h
View File

@ -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, int imx_drm_encoder_add_possible_crtcs(struct imx_drm_encoder *imx_drm_encoder,
struct device_node *np); struct device_node *np);
int imx_drm_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode);
#endif /* _IMX_DRM_H_ */ #endif /* _IMX_DRM_H_ */

9
drivers/staging/imx-drm/imx-hdmi.c
View File

@ -1406,13 +1406,6 @@ static int imx_hdmi_connector_get_modes(struct drm_connector *connector)
return 0; 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 static struct drm_encoder *imx_hdmi_connector_best_encoder(struct drm_connector
*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 = { static struct drm_connector_helper_funcs imx_hdmi_connector_helper_funcs = {
.get_modes = imx_hdmi_connector_get_modes, .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, .best_encoder = imx_hdmi_connector_best_encoder,
}; };

8
drivers/staging/imx-drm/imx-ldb.c
View File

@ -120,12 +120,6 @@ static int imx_ldb_connector_get_modes(struct drm_connector *connector)
return num_modes; 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( static struct drm_encoder *imx_ldb_connector_best_encoder(
struct drm_connector *connector) 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 = { static struct drm_connector_helper_funcs imx_ldb_connector_helper_funcs = {
.get_modes = imx_ldb_connector_get_modes, .get_modes = imx_ldb_connector_get_modes,
.best_encoder = imx_ldb_connector_best_encoder, .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 = { static struct drm_encoder_funcs imx_ldb_encoder_funcs = {

5
drivers/staging/imx-drm/imx-tve.c
View File

@ -254,6 +254,11 @@ static int imx_tve_connector_mode_valid(struct drm_connector *connector,
{ {
struct imx_tve *tve = con_to_tve(connector); struct imx_tve *tve = con_to_tve(connector);
unsigned long rate; unsigned long rate;
int ret;
ret = imx_drm_connector_mode_valid(connector, mode);
if (ret != MODE_OK)
return ret;
/* pixel clock with 2x oversampling */ /* pixel clock with 2x oversampling */
rate = clk_round_rate(tve->clk, 2000UL * mode->clock) / 2000; rate = clk_round_rate(tve->clk, 2000UL * mode->clock) / 2000;

8
drivers/staging/imx-drm/parallel-display.c
View File

@ -85,12 +85,6 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector)
return num_modes; 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( static struct drm_encoder *imx_pd_connector_best_encoder(
struct drm_connector *connector) 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 = { static struct drm_connector_helper_funcs imx_pd_connector_helper_funcs = {
.get_modes = imx_pd_connector_get_modes, .get_modes = imx_pd_connector_get_modes,
.best_encoder = imx_pd_connector_best_encoder, .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 = { static struct drm_encoder_funcs imx_pd_encoder_funcs = {