Besides clearing the input ID to zero, D71 compiz also has input enable bit in CU_INPUTx_CONTROL which need to be cleared. Signed-off-by: Lowry Li (Arm Technology China) <lowry.li@xxxxxxx> --- drivers/gpu/drm/arm/display/komeda/d71/d71_component.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c index 1135e38..f8846c6 100644 --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c @@ -435,8 +435,18 @@ static void d71_component_disable(struct komeda_component *c) malidp_write32(reg, BLK_CONTROL, 0); - for (i = 0; i < c->max_active_inputs; i++) + for (i = 0; i < c->max_active_inputs; i++) { malidp_write32(reg, BLK_INPUT_ID0 + (i << 2), 0); + + /* Besides clearing the input ID to zero, D71 compiz also has + * input enable bit in CU_INPUTx_CONTROL which need to be + * cleared. + */ + if (has_bit(c->id, KOMEDA_PIPELINE_COMPIZS)) + malidp_write32(reg, CU_INPUT0_CONTROL + + i * CU_PER_INPUT_REGS * 4, + CU_INPUT_CTRL_ALPHA(0xFF)); + } } static void compiz_enable_input(u32 __iomem *id_reg, -- 1.9.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel