msm: mdp3: xlog dump on fatal error
This dumps the necessary mdp registers for debug
when a fatal error occurs in msm8909w. The fatal
error can be a dma timeout or ppp timeout or an
smmu fault. This even populates necessary info to
debug structure.
Change-Id: I240cd762dc310cc22891985d2044087690b5c6ce
Signed-off-by: Jayaprakash <jmadiset@codeaurora.org>
diff --git a/drivers/video/fbdev/msm/mdp3.c b/drivers/video/fbdev/msm/mdp3.c
index a797080..b6db0ee 100644
--- a/drivers/video/fbdev/msm/mdp3.c
+++ b/drivers/video/fbdev/msm/mdp3.c
@@ -1354,6 +1354,8 @@
pr_err("invalid ion client\n");
return -ENOMEM;
}
+ MDSS_XLOG(data->srcp_dma_buf, data->addr, data->len, client,
+ data->mapped, data->skip_detach);
if (data->mapped) {
if (client == MDP3_CLIENT_PPP ||
client == MDP3_CLIENT_DMA_P)
@@ -1520,6 +1522,13 @@
mdp3_put_img(data, client);
return -EINVAL;
}
+ if (img->flags & MDP_MEMORY_ID_TYPE_FB) {
+ MDSS_XLOG(img->memory_id, data->addr, data->len, fb_num);
+ } else if (iclient) {
+ MDSS_XLOG(img->memory_id, data->srcp_dma_buf, data->addr,
+ data->len, client, data->mapped,
+ data->skip_detach);
+ }
return ret;
clone_err:
diff --git a/drivers/video/fbdev/msm/mdp3_dma.c b/drivers/video/fbdev/msm/mdp3_dma.c
index e569a0b..8153d25 100644
--- a/drivers/video/fbdev/msm/mdp3_dma.c
+++ b/drivers/video/fbdev/msm/mdp3_dma.c
@@ -704,7 +704,11 @@
}
rc = -1;
}
- ATRACE_END("mdp3_wait_for_dma_comp");
+ ATRACE_END("mdp3_wait_for_dma_comp");
+ if (rc <= 0 && retry_count == 0) {
+ MDSS_XLOG_TOUT_HANDLER("mdp", "vbif",
+ "dsi0_ctrl", "dsi0_phy");
+ }
}
}
if (dma->update_src_cfg) {
diff --git a/drivers/video/fbdev/msm/mdp3_ppp.c b/drivers/video/fbdev/msm/mdp3_ppp.c
index 5459510..4886320 100644
--- a/drivers/video/fbdev/msm/mdp3_ppp.c
+++ b/drivers/video/fbdev/msm/mdp3_ppp.c
@@ -318,10 +318,12 @@
*/
ret = wait_for_completion_timeout(
&ppp_stat->ppp_comp, msecs_to_jiffies(200));
- if (!ret)
+ if (!ret) {
pr_err("%s: Timed out waiting for the MDP.\n",
__func__);
-
+ MDSS_XLOG_TOUT_HANDLER("mdp", "vbif",
+ "dsi0_ctrl", "dsi0_phy");
+ }
return ret;
}
diff --git a/drivers/video/fbdev/msm/mdss_smmu.c b/drivers/video/fbdev/msm/mdss_smmu.c
index c213f70..a9a878e 100644
--- a/drivers/video/fbdev/msm/mdss_smmu.c
+++ b/drivers/video/fbdev/msm/mdss_smmu.c
@@ -517,7 +517,8 @@
} else {
pr_err("mdss_smmu: iova:0x%lx flags:0x%x\n",
iova, flags);
- MDSS_XLOG_TOUT_HANDLER("mdp");
+ MDSS_XLOG_TOUT_HANDLER("mdp", "vbif", "dsi0_ctrl",
+ "dsi0_phy");
}
end:
return -ENODEV;