[PATCH 09/21] drm/msm/dpu: add devcoredumps for cwb registers

From: Jessica Zhang
Date: Thu Aug 29 2024 - 16:51:26 EST


From: Esha Bharadwaj <quic_ebharadw@xxxxxxxxxxx>

Implement instance of snapshot function to dump new registers used
for cwb

Signed-off-by: Esha Bharadwaj <quic_ebharadw@xxxxxxxxxxx>
Signed-off-by: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx>
---
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 d1e2143110f2..87526d3c224a 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -989,6 +989,11 @@ static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct msm_k
dpu_kms->mmio + cat->mdp[0].base, "top");
}

+ /* dump CWB sub-blocks HW regs info */
+ for (i = 0; i < cat->cwb_count; i++)
+ msm_disp_snapshot_add_block(disp_state, cat->cwb[i].len,
+ dpu_kms->mmio + cat->cwb[i].base, cat->cwb[i].name);
+
/* dump DSC sub-blocks HW regs info */
for (i = 0; i < cat->dsc_count; i++) {
base = dpu_kms->mmio + cat->dsc[i].base;

--
2.34.1