Currently we are configuring the TCON's dot clock or special clock
directly from the encoder mode_set functions. Since we already
provide mode_set helper functions for the TCON's 2 channels, we
can set the respective clock from those helpers, and reduce the
exposure of the TCON's internals.
Signed-off-by: Chen-Yu Tsai <w...@csie.org>
---
drivers/gpu/drm/sun4i/sun4i_rgb.c | 2 --
drivers/gpu/drm/sun4i/sun4i_tcon.c | 6 ++++++
drivers/gpu/drm/sun4i/sun4i_tv.c | 2 --
3 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c
b/drivers/gpu/drm/sun4i/sun4i_rgb.c
index 1147451eb993..51ece4c39d7e 100644
--- a/drivers/gpu/drm/sun4i/sun4i_rgb.c
+++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c
@@ -175,8 +175,6 @@ static void sun4i_rgb_encoder_mode_set(struct drm_encoder
*encoder,
sun4i_tcon0_mode_set(tcon, mode);
- clk_set_rate(tcon->dclk, mode->crtc_clock * 1000);
-
/* FIXME: This seems to be board specific */
clk_set_phase(tcon->dclk, 120);
}
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c
b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 8301389c411d..29fd829aa54c 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -131,6 +131,9 @@ void sun4i_tcon0_mode_set(struct sun4i_tcon *tcon,
u8 clk_delay;
u32 val = 0;
+ /* Configure the dot clock */
+ clk_set_rate(tcon->dclk, mode->crtc_clock * 1000);
+
/* Adjust clock delay */
clk_delay = sun4i_tcon_get_clk_delay(mode, 0);
regmap_update_bits(tcon->regs, SUN4I_TCON0_CTL_REG,
@@ -206,6 +209,9 @@ void sun4i_tcon1_mode_set(struct sun4i_tcon *tcon,
WARN_ON(!tcon->quirks->has_channel_1);
+ /* Configure the dot clock */
+ clk_set_rate(tcon->sclk1, mode->crtc_clock * 1000);
+
/* Adjust clock delay */
clk_delay = sun4i_tcon_get_clk_delay(mode, 1);
regmap_update_bits(tcon->regs, SUN4I_TCON1_CTL_REG,
diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i_tv.c
index 49c49431a053..542da220818b 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tv.c
@@ -486,8 +486,6 @@ static void sun4i_tv_mode_set(struct drm_encoder *encoder,
SUN4I_TVE_RESYNC_FIELD : 0));
regmap_write(tv->regs, SUN4I_TVE_SLAVE_REG, 0);
-
- clk_set_rate(tcon->sclk1, mode->crtc_clock * 1000);
}
static struct drm_encoder_helper_funcs sun4i_tv_helper_funcs = {
--
2.11.0
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