On 13.01.2020 14:45, Tomi Valkeinen wrote:
Add pixel clock limits to the driver as per TFP410 datasheet: min 25MHz, max 165MHz.
Signed-off-by: Tomi Valkeinen tomi.valkeinen@ti.com
Reviewed-by: Andrzej Hajda a.hajda@samsung.com
-- Regards Andrzej
drivers/gpu/drm/bridge/ti-tfp410.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/bridge/ti-tfp410.c b/drivers/gpu/drm/bridge/ti-tfp410.c index 6f6d6d1e60ae..f378a8f79bcb 100644 --- a/drivers/gpu/drm/bridge/ti-tfp410.c +++ b/drivers/gpu/drm/bridge/ti-tfp410.c @@ -167,10 +167,20 @@ static void tfp410_disable(struct drm_bridge *bridge) gpiod_set_value_cansleep(dvi->powerdown, 1); }
+static enum drm_mode_status tfp410_mode_valid(struct drm_bridge *bridge,
const struct drm_display_mode *mode)+{
- if (mode->clock < 25000 || mode->clock > 165000)
return MODE_BAD;- return MODE_OK;
+}
static const struct drm_bridge_funcs tfp410_bridge_funcs = { .attach = tfp410_attach, .enable = tfp410_enable, .disable = tfp410_disable,
- .mode_valid = tfp410_mode_valid,
};
static void tfp410_hpd_work_func(struct work_struct *work)