On Thu, 31 Aug 2023 at 01:49, Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx> wrote:
>
> In preparation of adding more formats to dpu writeback add
I think it is `preparation to'
Other than that:
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> format validation to it to fail any unsupported formats.
>
> Fixes: d7d0e73f7de3 ("drm/msm/dpu: introduce the dpu_encoder_phys_* for writeback")
> Signed-off-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
> index 284a88060221..6a1f8e34f18a 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
> @@ -238,6 +238,7 @@ static int dpu_encoder_phys_wb_atomic_check(
> {
> struct drm_framebuffer *fb;
> const struct drm_display_mode *mode = &crtc_state->mode;
> + int ret;
>
> DPU_DEBUG("[atomic_check:%d, \"%s\",%d,%d]\n",
> phys_enc->hw_wb->idx, mode->name, mode->hdisplay, mode->vdisplay);
> @@ -274,6 +275,12 @@ static int dpu_encoder_phys_wb_atomic_check(
> return -EINVAL;
> }
>
> + ret = drm_atomic_helper_check_wb_encoder_state(phys_enc->parent, conn_state);
> + if (ret < 0) {
> + DPU_ERROR("invalid pixel format %p4cc\n", &fb->format->format);
> + return ret;
> + }
> +
> return 0;
> }
>
> --
> 2.40.1
>
--
With best wishes
Dmitry
