drm/msm/dpu: Add DSC hardware blocks to register snapshot

Add missing DSC hardware block register ranges to the snapshot utility
to include them in dmesg (on MSM_DISP_SNAPSHOT_DUMP_IN_CONSOLE) and the
kms debugfs file.

Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/520175/
Link: https://lore.kernel.org/r/20230125101412.216924-1-marijn.suijten@somainline.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index d612419..a683bd9 100644 (file)
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -937,6 +937,11 @@ static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct msm_k
                                dpu_kms->mmio + cat->mdp[0].base, "top");
        }
 
+       /* dump DSC sub-blocks HW regs info */
+       for (i = 0; i < cat->dsc_count; i++)
+               msm_disp_snapshot_add_block(disp_state, cat->dsc[i].len,
+                               dpu_kms->mmio + cat->dsc[i].base, "dsc_%d", i);
+
        pm_runtime_put_sync(&dpu_kms->pdev->dev);
 }