diff mbox series

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

Message ID 20191001200656.730198-1-jernej.skrabec@siol.net (mailing list archive)
State Mainlined
Commit 834f65e18c82d10b781bee2ad207b590574eeaf9
Headers show
Series clk: sunxi-ng: h6: Allow GPU to change parent rate | expand

Commit Message

Jernej Škrabec Oct. 1, 2019, 8:06 p.m. UTC
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(-)

Comments

Maxime Ripard Oct. 2, 2019, 6:06 a.m. UTC | #1
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
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 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);