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| author | Liviu Dudau (ARM) <Liviu.Dudau@arm.com> | 2015-11-23 16:52:41 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-12-03 15:48:17 +0000 |
| commit | e4618c467d9ea600cc1412b32ad520f22b8b4833 (patch) | |
| tree | dae2dec170b4cb20ff7d18620ac8ebadb5fc08bb | |
| parent | debd15ced9937f1581096f36374c62b463e7df74 (diff) | |
| download | linux-stable-e4618c467d9ea600cc1412b32ad520f22b8b4833.tar.gz linux-stable-e4618c467d9ea600cc1412b32ad520f22b8b4833.tar.bz2 linux-stable-e4618c467d9ea600cc1412b32ad520f22b8b4833.zip | |
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: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | drivers/gpu/drm/i2c/tda998x_drv.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index cdbd83b95770..1ae779581630 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -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; |