DPU < 7.0.0 has DPU_PINGPONG_DSC feature bit set to indicate it requires both dpu_hw_pp_setup_dsc() and dpu_hw_pp_dsc_{enable,disable}() to be executed to complete DSC configuration if DSC hardware block is present. Hence test DPU_PINGPONG_DSC feature bit and assign DSC related functions to the ops of PINGPONG block accordingly if DPU_PINGPONG_DSC bit is set. changes in v6: -- split patches, this patch has function handles DPU_PINGPONG_DSC bit changes in v9: -- remove un condition assign dsc related functions to pingpong ops Signed-off-by: Kuogee Hsieh <quic_khsieh@xxxxxxxxxxx> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> --- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c index 79e4576..437d9e6 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c @@ -291,9 +291,12 @@ static void _setup_pingpong_ops(struct dpu_hw_pingpong *c, c->ops.get_line_count = dpu_hw_pp_get_line_count; c->ops.disable_autorefresh = dpu_hw_pp_disable_autorefresh; } - c->ops.setup_dsc = dpu_hw_pp_setup_dsc; - c->ops.enable_dsc = dpu_hw_pp_dsc_enable; - c->ops.disable_dsc = dpu_hw_pp_dsc_disable; + + if (test_bit(DPU_PINGPONG_DSC, &features)) { + c->ops.setup_dsc = dpu_hw_pp_setup_dsc; + c->ops.enable_dsc = dpu_hw_pp_dsc_enable; + c->ops.disable_dsc = dpu_hw_pp_dsc_disable; + } if (test_bit(DPU_PINGPONG_DITHER, &features)) c->ops.setup_dither = dpu_hw_pp_setup_dither; -- 2.7.4