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Commit e4618c46 authored by Liviu Dudau (ARM)'s avatar Liviu Dudau (ARM) Committed by Russell King
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drm/i2c: tda998x: increase the supported dotclock frequency to 165MHz for TDA19988 



Spec sheet states that the TDA19988 supports up to 165MHz dotclock
speeds. Without this change modes higher than 1080p are un-attainable.

Signed-off-by: default avatarLiviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent debd15ce

drivers/gpu/drm/i2c/tda998x_drv.c

+4 −1
Original line number Diff line number Diff line
@@ -878,7 +878,10 @@ tda998x_encoder_mode_fixup(struct drm_encoder *encoder, 
static int tda998x_connector_mode_valid(struct drm_connector *connector,

					struct drm_display_mode *mode)

{

	if (mode->clock > 150000)

	/* TDA19988 dotclock can go up to 165MHz */

	struct tda998x_priv *priv = conn_to_tda998x_priv(connector);



	if (mode->clock > ((priv->rev == TDA19988) ? 165000 : 150000))

		return MODE_CLOCK_HIGH;

	if (mode->htotal >= BIT(13))

		return MODE_BAD_HVALUE;