On Wed, 11 May 2022 at 02:55, Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx> wrote: > > Add writeback support for sc7180 devices. This has been > validated on sc7180 chromebook using IGT writeback test > suite. > > localhost /usr/local/libexec/igt-gpu-tools # ./kms_writeback > Starting subtest: writeback-pixel-formats > Subtest writeback-pixel-formats: SUCCESS (0.001s) > Starting subtest: writeback-invalid-parameters > Subtest writeback-invalid-parameters: SUCCESS (0.004s) > Starting subtest: writeback-fb-id > Subtest writeback-fb-id: SUCCESS (0.009s) > Starting subtest: writeback-check-output > Subtest writeback-check-output: SUCCESS (0.203s) > > Adding this will increase IGT coverage on chromebooks and also > allow using writeback functionality for other use-cases as > necessary. > > Signed-off-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> > --- > drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c > index 400ebceb56bb..210becd2a9b7 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c > @@ -1803,6 +1803,8 @@ static void sc7180_cfg_init(struct dpu_mdss_cfg *dpu_cfg) > .pingpong = sc7180_pp, > .intf_count = ARRAY_SIZE(sc7180_intf), > .intf = sc7180_intf, > + .wb_count = ARRAY_SIZE(sm8250_wb), > + .wb = sm8250_wb, > .vbif_count = ARRAY_SIZE(sdm845_vbif), > .vbif = sdm845_vbif, > .reg_dma_count = 1, > -- > 2.35.1 > -- With best wishes Dmitry