drm/sun4i: tcon: Add channel debug

While all functions have debug logs, the channel enable and disable are not
logged. Make sure this is the case.

Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index f44a37a5993df06a67d548629c244da1e6209803..b79d3a277fbf9fb8813dfcf34cb12cb6f87b88e0 100644 (file)
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -55,6 +55,8 @@ EXPORT_SYMBOL(sun4i_tcon_enable);
 
 void sun4i_tcon_channel_disable(struct sun4i_tcon *tcon, int channel)
 {
+       DRM_DEBUG_DRIVER("Disabling TCON channel %d\n", channel);
+
        /* Disable the TCON's channel */
        if (channel == 0) {
                regmap_update_bits(tcon->regs, SUN4I_TCON0_CTL_REG,
@@ -72,6 +74,8 @@ EXPORT_SYMBOL(sun4i_tcon_channel_disable);
 
 void sun4i_tcon_channel_enable(struct sun4i_tcon *tcon, int channel)
 {
+       DRM_DEBUG_DRIVER("Enabling TCON channel %d\n", channel);
+
        /* Enable the TCON's channel */
        if (channel == 0) {
                regmap_update_bits(tcon->regs, SUN4I_TCON0_CTL_REG,