Commit 8d4bfe89 authored Nov 07, 2017 by Andrey Gusakov Committed by Greg Kroah-Hartman Feb 03, 2018

drm/bridge: tc358767: filter out too high modes




[ Upstream commit 99fc8e963a4c0203dba26a77cf737db6081bca14 ]

Pixel clock limitation for DPI is 154 MHz. Do not accept modes
with higher pixel clock rate.

Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1510073785-16108-3-git-send-email-andrey.gusakov@cogentembedded.com


Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 5f6a0441

drivers/gpu/drm/bridge/tc358767.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -1109,7 +1109,10 @@ static bool tc_bridge_mode_fixup(struct drm_bridge *bridge,
		static int tc_connector_mode_valid(struct drm_connector *connector,
		struct drm_display_mode *mode)
		{
		/* Accept any mode */
		/* DPI interface clock limitation: upto 154 MHz */
		if (mode->clock > 154000)
		return MODE_CLOCK_HIGH;

		return MODE_OK;
		}