[Freedreno] [PATCH 1/2] drm/msm/dpu: add dpu_crtc_atomic_print_state

[Abhinav Kumar]

On 12/15/2021 8:09 AM, Dmitry Baryshkov wrote:
> Implement CRTC's atomic_print_state() callback, printing DPU-specific
> CRTC state (LM, CTL and DSPP ids).
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk at quicinc.com>
> ---
>   drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 15 +++++++++++++++
>   1 file changed, 15 insertions(+)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> index 59b1bcfbe8c0..df128a680697 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> @@ -924,6 +924,20 @@ static struct drm_crtc_state *dpu_crtc_duplicate_state(struct drm_crtc *crtc)
>   	return &cstate->base;
>   }
>   
> +static void dpu_crtc_atomic_print_state(struct drm_printer *p,
> +					const struct drm_crtc_state *state)
> +{
> +	struct dpu_crtc_state *cstate = to_dpu_crtc_state(state);
> +	int i;
> +
> +	for (i = 0; i < cstate->num_mixers; i++) {
> +		drm_printf(p, "\tlm[%d]=%d\n", i, cstate->mixers[i].hw_lm->idx - LM_0);
> +		drm_printf(p, "\tctl[%d]=%d\n", i, cstate->mixers[i].lm_ctl->idx - CTL_0);
> +		if (cstate->mixers[i].hw_dspp)
> +			drm_printf(p, "\tdspp[%d]=%d\n", i, cstate->mixers[i].hw_dspp->idx - DSPP_0);
> +	}
> +}
> +
>   static void dpu_crtc_disable(struct drm_crtc *crtc,
>   			     struct drm_atomic_state *state)
>   {
> @@ -1454,6 +1468,7 @@ static const struct drm_crtc_funcs dpu_crtc_funcs = {
>   	.reset = dpu_crtc_reset,
>   	.atomic_duplicate_state = dpu_crtc_duplicate_state,
>   	.atomic_destroy_state = dpu_crtc_destroy_state,
> +	.atomic_print_state = dpu_crtc_atomic_print_state,
>   	.late_register = dpu_crtc_late_register,
>   	.verify_crc_source = dpu_crtc_verify_crc_source,
>   	.set_crc_source = dpu_crtc_set_crc_source,
>