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drm/bridge: tc358767: filter out too high modes

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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
This commit is contained in:
Andrey Gusakov 2017-11-07 19:56:20 +03:00 committed by Andrzej Hajda
parent cffd2b16c0
commit 99fc8e963a
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/bridge/tc358767.c
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@ -1103,7 +1103,10 @@ 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;
}