Re: [PATCH] ARM: dts: imx7d: fix LCDIF clock assignment

[Stefan Agner]

Hi Shawn

On 2016-11-23 15:02, Fabio Estevam wrote:
> On Tue, Nov 22, 2016 at 10:42 PM, Stefan Agner <stefan@xxxxxxxx> wrote:
>> The eLCDIF IP of the i.MX 7 SoC knows multiple clocks and lists them
>> separately:
>>
>> Clock      Clock Root              Description
>> apb_clk    MAIN_AXI_CLK_ROOT       AXI clock
>> pix_clk    LCDIF_PIXEL_CLK_ROOT    Pixel clock
>> ipg_clk_s  MAIN_AXI_CLK_ROOT       Peripheral access clock
>>
>> All of them are switched by a single gate, which is part of the
>> IMX7D_LCDIF_PIXEL_ROOT_CLK clock. Hence using that clock also for
>> the AXI bus clock (clock-name "axi") makes sure the gate gets
>> enabled when accessing registers.
>>
>> There seem to be no separate AXI display clock, and the clock is
>> optional. Hence remove the dummy clock.
>>
>> This fixes kernel freezes when starting the X-Server (which
>> disables/re-enables the display controller).
>>
>> Signed-off-by: Stefan Agner <stefan@xxxxxxxx>
> 
> Reviewed-by: Fabio Estevam <fabio.estevam@xxxxxxx>

Since this fixes a kernel freeze, is there a chance to get this still in
4.9?

--
Stefan