drm/bridge: tfp410: add pclk limits (9109594d) · Commits · 戴 / test

Add pixel clock limits to the driver as per TFP410 datasheet: min 25MHz, max 165MHz. Signed-off-by:

drivers/gpu/drm/bridge/ti-tfp410.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -167,10 +167,23 @@ 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)
		return MODE_CLOCK_LOW;

		if (mode->clock > 165000)
		return MODE_CLOCK_HIGH;

		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)