On 1/25/2023 2:14 AM, Marijn Suijten wrote:
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@xxxxxxxxxxxxxx>
Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
Huge ack from me,
Reviewed-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>
---
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.suijten@xxxxxxxxxxxxxx/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);
}