From 51e4d60e6ba50cc53150885549318c3470d44e3c Mon Sep 17 00:00:00 2001 From: Abhinav Kumar Date: Tue, 10 May 2022 16:54:39 -0700 Subject: [PATCH] drm/msm/dpu: add writeback support for sc7180 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 Reviewed-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/485787/ Link: https://lore.kernel.org/r/20220510235439.31916-1-quic_abhinavk@quicinc.com Signed-off-by: Dmitry Baryshkov --- 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 400ebce..210becd 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, -- 2.7.4