Re: [PATCH v3 19/21] drm/msm/dpu: Implement CTL_PIPE_ACTIVE for v12.0 DPU

From: Dmitry Baryshkov
Date: Fri Feb 21 2025 - 11:33:01 EST


On Fri, Feb 21, 2025 at 04:24:29PM +0100, Krzysztof Kozlowski wrote:
> v12.0 DPU on SM8750 comes with new CTL_PIPE_ACTIVE register for
> selective activation of pipes, which replaces earlier
> dpu_hw_ctl_setup_blendstage() code path for newer devices.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
>
> ---
>
> Changes in v3:
> 1. New patch, split from previous big DPU v12.0.
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 9 +++++++++
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 3 +++
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c | 29 +++++++++++++++++++++++++++--
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h | 8 ++++++++
> 4 files changed, 47 insertions(+), 2 deletions(-)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

Minot nit below

> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
> index 43a254cf57da571e2ec8aad38028477652f9283c..3e0bdd1100ebb0d302a852ceeaf8af86835e69a1 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
> @@ -40,6 +40,7 @@
> #define CTL_INTF_FLUSH 0x110
> #define CTL_CDM_FLUSH 0x114
> #define CTL_PERIPH_FLUSH 0x128
> +#define CTL_PIPE_ACTIVE 0x12C

lowercase hex, please.

> #define CTL_INTF_MASTER 0x134
> #define CTL_DSPP_n_FLUSH(n) ((0x13C) + ((n) * 4))
>

--
With best wishes
Dmitry