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> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
