From: Stefan Agner stefan.agner@toradex.com
Users control the graphical content of the panel by manipulating configuration of elements in DCU4 called layers. The number of layers is different for Vybrid and LS102XA SoC's. Update this to reflect for LS102XA accordingly and for use with Vybrid.
Signed-off-by: Stefan Agner stefan.agner@toradex.com Signed-off-by: Sanchayan Maity maitysanchayan@gmail.com --- arch/arm/include/asm/arch-ls102xa/config.h | 1 + drivers/video/fsl_dcu_fb.c | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/arm/include/asm/arch-ls102xa/config.h b/arch/arm/include/asm/arch-ls102xa/config.h index 2f7233f2fe..7a909c88af 100644 --- a/arch/arm/include/asm/arch-ls102xa/config.h +++ b/arch/arm/include/asm/arch-ls102xa/config.h @@ -107,6 +107,7 @@ #define CONFIG_SYS_FSL_SRK_LE
#define DCU_LAYER_MAX_NUM 16 +#define DCU_TOTAL_LAYER_NUM 16
#ifdef CONFIG_LS102XA #define CONFIG_USB_MAX_CONTROLLER_COUNT 1 diff --git a/drivers/video/fsl_dcu_fb.c b/drivers/video/fsl_dcu_fb.c index c6fdedb5cf..22aba7ef48 100644 --- a/drivers/video/fsl_dcu_fb.c +++ b/drivers/video/fsl_dcu_fb.c @@ -178,7 +178,7 @@ static void reset_total_layers(void) struct dcu_reg *regs = (struct dcu_reg *)CONFIG_SYS_DCU_ADDR; int i;
- for (i = 0; i < DCU_LAYER_MAX_NUM; i++) { + for (i = 0; i < DCU_TOTAL_LAYER_NUM; i++) { dcu_write32(®s->ctrldescl[i][0], 0); dcu_write32(®s->ctrldescl[i][1], 0); dcu_write32(®s->ctrldescl[i][2], 0); @@ -188,8 +188,10 @@ static void reset_total_layers(void) dcu_write32(®s->ctrldescl[i][6], 0); dcu_write32(®s->ctrldescl[i][7], 0); dcu_write32(®s->ctrldescl[i][8], 0); +#ifdef CONFIG_LS102XA dcu_write32(®s->ctrldescl[i][9], 0); dcu_write32(®s->ctrldescl[i][10], 0); +#endif } }