Provide a common connector mode validation function, which can be used to limit the available modes according to other components in the system.
Signed-off-by: Russell King rmk+kernel@arm.linux.org.uk --- drivers/staging/imx-drm/imx-drm-core.c | 7 +++++++ drivers/staging/imx-drm/imx-drm.h | 3 +++ drivers/staging/imx-drm/imx-hdmi.c | 9 +-------- drivers/staging/imx-drm/imx-ldb.c | 8 +------- drivers/staging/imx-drm/imx-tve.c | 5 +++++ drivers/staging/imx-drm/parallel-display.c | 8 +------- 6 files changed, 18 insertions(+), 22 deletions(-)
diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c index 8aef203a017b..d7cb0af9479a 100644 --- a/drivers/staging/imx-drm/imx-drm-core.c +++ b/drivers/staging/imx-drm/imx-drm-core.c @@ -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) diff --git a/drivers/staging/imx-drm/imx-drm.h b/drivers/staging/imx-drm/imx-drm.h index 5649f180dc44..4eb594ce9cff 100644 --- a/drivers/staging/imx-drm/imx-drm.h +++ b/drivers/staging/imx-drm/imx-drm.h @@ -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_ */ diff --git a/drivers/staging/imx-drm/imx-hdmi.c b/drivers/staging/imx-drm/imx-hdmi.c index c8152043143f..8421c715ce14 100644 --- a/drivers/staging/imx-drm/imx-hdmi.c +++ b/drivers/staging/imx-drm/imx-hdmi.c @@ -1410,13 +1410,6 @@ 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) { @@ -1505,7 +1498,7 @@ 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, };
diff --git a/drivers/staging/imx-drm/imx-ldb.c b/drivers/staging/imx-drm/imx-ldb.c index bbcbd52f0169..81a23685b42d 100644 --- a/drivers/staging/imx-drm/imx-ldb.c +++ b/drivers/staging/imx-drm/imx-ldb.c @@ -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) { @@ -330,7 +324,7 @@ 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 = { diff --git a/drivers/staging/imx-drm/imx-tve.c b/drivers/staging/imx-drm/imx-tve.c index 2c44fef8d58b..f315c5250fe8 100644 --- a/drivers/staging/imx-drm/imx-tve.c +++ b/drivers/staging/imx-drm/imx-tve.c @@ -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; diff --git a/drivers/staging/imx-drm/parallel-display.c b/drivers/staging/imx-drm/parallel-display.c index 24aa9beedcfb..789950b87b29 100644 --- a/drivers/staging/imx-drm/parallel-display.c +++ b/drivers/staging/imx-drm/parallel-display.c @@ -84,12 +84,6 @@ 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) { @@ -146,7 +140,7 @@ 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 = {