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.suij...@somainline.org>
Reviewed-by: Neil Armstrong <neil.armstr...@linaro.org>
---
Changes since v1:
- Rebase on next-20230125 to solve conflicts with 43e3293fc614
  ("drm/msm/dpu: add support for MDP_TOP blackhole").

v1: 
https://lore.kernel.org/linux-arm-msm/20230125091315.133283-1-marijn.suij...@somainline.org/T/#u

 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index d612419118a2..a683bd9b5a04 100644
--- 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);
 }
 
-- 
2.39.1

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