From 1a40bb31fcf1c9071dcb3d635aca6d0d08b6a5aa Mon Sep 17 00:00:00 2001
From: Jessica Zhang <quic_jesszhan@quicinc.com>
Date: Fri, 22 Nov 2024 15:09:10 -0800
Subject: [PATCH] drm/msm/dpu: Add VBIF to DPU snapshot
Add VBIF registers to the DPU snapshot to help with debugging.
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/625946/
Link: https://lore.kernel.org/r/20241122-vbif-snapshot-v1-1-6e8fedd16fdf@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index ca4847b2b738..df90b080be5a 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -1024,6 +1024,14 @@ static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct msm_k
msm_disp_snapshot_add_block(disp_state, cat->cdm->len,
dpu_kms->mmio + cat->cdm->base, cat->cdm->name);
+ for (i = 0; i < dpu_kms->catalog->vbif_count; i++) {
+ const struct dpu_vbif_cfg *vbif = &dpu_kms->catalog->vbif[i];
+
+ msm_disp_snapshot_add_block(disp_state, vbif->len,
+ dpu_kms->vbif[vbif->id] + vbif->base,
+ vbif->name);
+ }
+
pm_runtime_put_sync(&dpu_kms->pdev->dev);
}
--
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