[PATCH] clk: sunxi-ng: h6: Allow GPU to change parent rate

[PATCH] clk: sunxi-ng: h6: Allow GPU to change parent rate

[Jernej Skrabec]

GPU PLL was designed with dynamic frequency switching in mind so driver
can adjust rate based on the GPU load.

Allow GPU clock to change parent rate (GPU PLL is the only possible
parent of GPU clock).

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
 drivers/clk/sunxi-ng/ccu-sun50i-h6.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
index d89353a3cdec..e254c06c8621 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
@@ -290,7 +290,7 @@ static SUNXI_CCU_M_WITH_MUX_GATE(gpu_clk, "gpu", gpu_parents, 0x670,
 				       0, 3,	/* M */
 				       24, 1,	/* mux */
 				       BIT(31),	/* gate */
-				       0);
+				       CLK_SET_RATE_PARENT);
 
 static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "psi-ahb1-ahb2",
 		      0x67c, BIT(0), 0);
-- 
2.23.0

Re: [PATCH] clk: sunxi-ng: h6: Allow GPU to change parent rate

[Maxime Ripard]

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Hi,

On Tue, Oct 01, 2019 at 10:06:56PM +0200, Jernej Skrabec wrote:
> GPU PLL was designed with dynamic frequency switching in mind so driver
> can adjust rate based on the GPU load.
>
> Allow GPU clock to change parent rate (GPU PLL is the only possible
> parent of GPU clock).
>
> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
> ---
>  drivers/clk/sunxi-ng/ccu-sun50i-h6.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
> index d89353a3cdec..e254c06c8621 100644
> --- a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
> +++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
> @@ -290,7 +290,7 @@ static SUNXI_CCU_M_WITH_MUX_GATE(gpu_clk, "gpu", gpu_parents, 0x670,
>  				       0, 3,	/* M */
>  				       24, 1,	/* mux */
>  				       BIT(31),	/* gate */
> -				       0);
> +				       CLK_SET_RATE_PARENT);
>
>  static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "psi-ahb1-ahb2",
>  		      0x67c, BIT(0), 0);

Applied, thanks!
Maxime

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