On Samstag, 23. Juli 2022 13:28:36 CEST Nicolas Frattaroli wrote: > The default priority for the quality of service for the video > output results in unsightly glitches on the output whenever there > is memory pressure on the system, which happens a lot. > > This sets the VOP QoS to high priority, which fixes this issue. > > Signed-off-by: Nicolas Frattaroli <[email protected]> > --- > arch/arm/mach-rockchip/rk3328/rk3328.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm/mach-rockchip/rk3328/rk3328.c > b/arch/arm/mach-rockchip/rk3328/rk3328.c > index de17b88682..2373586b14 100644 > --- a/arch/arm/mach-rockchip/rk3328/rk3328.c > +++ b/arch/arm/mach-rockchip/rk3328/rk3328.c > @@ -19,6 +19,8 @@ DECLARE_GLOBAL_DATA_PTR; > #define GRF_BASE 0xFF100000 > #define UART2_BASE 0xFF130000 > #define FW_DDR_CON_REG 0xFF7C0040 > +#define QOS_VOP_OFFSET 0xFF760080 > +#define QOS_VOP_PRIORITY 0x8 > > const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = { > [BROM_BOOTSOURCE_EMMC] = "/mmc@ff520000", > @@ -54,6 +56,9 @@ int arch_cpu_init(void) > > /* Disable the ddr secure region setting to make it non-secure */ > rk_setreg(FW_DDR_CON_REG, 0x200); > +#else > + printf("Setting VOP QoS\n"); > + rk_setreg(QOS_VOP_OFFSET + QOS_VOP_PRIORITY, 0x2); > #endif > return 0; > } >
Hello, could I get a review on this? Thank you for your time, Nicolas Frattaroli
