[PATCH v5 6/7] drm/msm: add support to take dsi, dp and dpu snapshot
Abhinav Kumar
abhinavk at codeaurora.org
Fri Apr 16 20:57:24 UTC 2021
Add support to take the register snapshot of dsi, dp and dpu
modules.
Signed-off-by: Abhinav Kumar <abhinavk at codeaurora.org>
---
drivers/gpu/drm/msm/disp/msm_disp_snapshot.h | 1 +
drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c | 16 ++++++++++++++++
2 files changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/msm/disp/msm_disp_snapshot.h b/drivers/gpu/drm/msm/disp/msm_disp_snapshot.h
index 11dfa57..7e075e7 100644
--- a/drivers/gpu/drm/msm/disp/msm_disp_snapshot.h
+++ b/drivers/gpu/drm/msm/disp/msm_disp_snapshot.h
@@ -27,6 +27,7 @@
#include <linux/devcoredump.h>
#include <stdarg.h>
#include "msm_kms.h"
+#include "dsi.h"
#define MSM_DISP_SNAPSHOT_MAX_BLKS 10
diff --git a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
index 024ca49..44dc682 100644
--- a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
+++ b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
@@ -130,9 +130,25 @@ void msm_disp_snapshot_capture_state(struct msm_disp_state *disp_state)
{
struct msm_drm_private *priv;
struct drm_device *drm_dev;
+ struct msm_kms *kms;
+ int i;
drm_dev = disp_state->drm_dev;
priv = drm_dev->dev_private;
+ kms = priv->kms;
+
+ if (priv->dp)
+ msm_dp_snapshot(priv->dp);
+
+ for (i = 0; i < ARRAY_SIZE(priv->dsi); i++) {
+ if (!priv->dsi[i])
+ continue;
+
+ msm_dsi_snapshot(priv->dsi[i]);
+ }
+
+ if (kms->funcs->snapshot)
+ kms->funcs->snapshot(kms);
msm_disp_capture_atomic_state(disp_state);
}
--
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