We need to access reg stp_rep9, but not stp_rep[(9 - 1) / 2]. If using "__raw_writel(0, DI_STP_REP(disp, 9))", this will exceeds the size of stp_rep array.
Signed-off-by: Peng Fan Peng.Fan@freescale.com Acked-by: Liu Ying Ying.Liu@freescale.com Cc: Stefano Babic sbabic@denx.de Cc: Anatolij Gustschin agust@denx.de --- drivers/video/ipu_disp.c | 2 +- drivers/video/ipu_regs.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/video/ipu_disp.c b/drivers/video/ipu_disp.c index 7a87478..cbac9f7 100644 --- a/drivers/video/ipu_disp.c +++ b/drivers/video/ipu_disp.c @@ -1117,7 +1117,7 @@ int32_t ipu_init_sync_panel(int disp, uint32_t pixel_clk, reg &= 0x0000FFFF; __raw_writel(reg, DI_STP_REP(disp, 6)); __raw_writel(0, DI_STP_REP(disp, 7)); - __raw_writel(0, DI_STP_REP(disp, 9)); + __raw_writel(0, DI_STP_REP9(disp));
/* Init template microcode */ if (disp) { diff --git a/drivers/video/ipu_regs.h b/drivers/video/ipu_regs.h index c2c134a..0d3fe06 100644 --- a/drivers/video/ipu_regs.h +++ b/drivers/video/ipu_regs.h @@ -338,6 +338,7 @@ struct ipu_dmfc { #define DI_SW_GEN0(di, gen) (&DI_REG(di)->sw_gen0[gen - 1]) #define DI_SW_GEN1(di, gen) (&DI_REG(di)->sw_gen1[gen - 1]) #define DI_STP_REP(di, gen) (&DI_REG(di)->stp_rep[(gen - 1) / 2]) +#define DI_STP_REP9(di) (&DI_REG(di)->stp_rep9) #define DI_SYNC_AS_GEN(di) (&DI_REG(di)->sync_as) #define DI_DW_GEN(di, gen) (&DI_REG(di)->dw_gen[gen]) #define DI_DW_SET(di, gen, set) (&DI_REG(di)->dw_set[gen + 12 * set])