diff mbox series

[3/3] clk: sunxi-ng: h6: Allow video & vpu clocks to change parent rate

Message ID 20190402210623.14988-4-jernej.skrabec@siol.net (mailing list archive)
State New, archived
Headers show
Series clk: sunxi-ng: H6 related clock fixes | expand

Commit Message

Jernej Škrabec April 2, 2019, 9:06 p.m. UTC
Video related clocks need to set rate as close as possible to the
requested one, so they should be able to change parent clock rate.

VPU clock sometimes has to be set to higher than default parent clock
rate. This is requ

Add CLK_SET_RATE_PARENT flag to tcon-lcd0, tcon-tv0 and ve.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
 drivers/clk/sunxi-ng/ccu-sun50i-h6.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Comments

Maxime Ripard April 3, 2019, 7:54 a.m. UTC | #1
On Tue, Apr 02, 2019 at 11:06:23PM +0200, Jernej Skrabec wrote:
> Video related clocks need to set rate as close as possible to the
> requested one, so they should be able to change parent clock rate.
>
> VPU clock sometimes has to be set to higher than default parent clock
> rate. This is requ
>
> Add CLK_SET_RATE_PARENT flag to tcon-lcd0, tcon-tv0 and ve.
>
> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>

Applied, thanks!
Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
Chen-Yu Tsai April 3, 2019, 1:22 p.m. UTC | #2
On Wed, Apr 3, 2019 at 3:54 PM Maxime Ripard <maxime.ripard@bootlin.com> wrote:
>
> On Tue, Apr 02, 2019 at 11:06:23PM +0200, Jernej Skrabec wrote:
> > Video related clocks need to set rate as close as possible to the
> > requested one, so they should be able to change parent clock rate.
> >
> > VPU clock sometimes has to be set to higher than default parent clock
> > rate. This is requ

The commit log looks unfinished. Can you and Jernej fix this up?

> > Add CLK_SET_RATE_PARENT flag to tcon-lcd0, tcon-tv0 and ve.
> >
> > Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
>
> Applied, thanks!
> Maxime
>
> --
> Maxime Ripard, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com
Jernej Škrabec April 3, 2019, 2:42 p.m. UTC | #3
Dne sreda, 03. april 2019 ob 15:22:52 CEST je Chen-Yu Tsai napisal(a):
> On Wed, Apr 3, 2019 at 3:54 PM Maxime Ripard <maxime.ripard@bootlin.com> 
wrote:
> > On Tue, Apr 02, 2019 at 11:06:23PM +0200, Jernej Skrabec wrote:
> > > Video related clocks need to set rate as close as possible to the
> > > requested one, so they should be able to change parent clock rate.
> > > 
> > > VPU clock sometimes has to be set to higher than default parent clock
> > > rate. This is requ
> 
> The commit log looks unfinished. Can you and Jernej fix this up?

Ah, sorry. I will send v2 with this commit message fixed and additional patch 
as requested by Maxime.

Best regards,
Jernej

> 
> > > Add CLK_SET_RATE_PARENT flag to tcon-lcd0, tcon-tv0 and ve.
> > > 
> > > Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
> > 
> > Applied, thanks!
> > Maxime
> > 
> > --
> > Maxime Ripard, Bootlin
> > Embedded Linux and Kernel engineering
> > https://bootlin.com
diff mbox series

Patch

diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
index 33980067b06e..3c32d7798f27 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
@@ -311,7 +311,7 @@  static SUNXI_CCU_M_WITH_MUX_GATE(ve_clk, "ve", ve_parents, 0x690,
 				       0, 3,	/* M */
 				       24, 1,	/* mux */
 				       BIT(31),	/* gate */
-				       0);
+				       CLK_SET_RATE_PARENT);
 
 static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "psi-ahb1-ahb2",
 		      0x69c, BIT(0), 0);
@@ -691,7 +691,7 @@  static SUNXI_CCU_MUX_WITH_GATE(tcon_lcd0_clk, "tcon-lcd0",
 			       tcon_lcd0_parents, 0xb60,
 			       24, 3,	/* mux */
 			       BIT(31),	/* gate */
-			       0);
+			       CLK_SET_RATE_PARENT);
 
 static SUNXI_CCU_GATE(bus_tcon_lcd0_clk, "bus-tcon-lcd0", "ahb3",
 		      0xb7c, BIT(0), 0);
@@ -706,7 +706,7 @@  static SUNXI_CCU_MP_WITH_MUX_GATE(tcon_tv0_clk, "tcon-tv0",
 				  8, 2,		/* P */
 				  24, 3,	/* mux */
 				  BIT(31),	/* gate */
-				  0);
+				  CLK_SET_RATE_PARENT);
 
 static SUNXI_CCU_GATE(bus_tcon_tv0_clk, "bus-tcon-tv0", "ahb3",
 		      0xb9c, BIT(0), 0);