samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Koodi Ongelmat Pull-pyynnöt Actions Paketit Projektit Julkaisut Wiki Toiminta

disp: msm: sde: save register write logs in dump

Selaa lähdekoodia 
Changes are made to add register write logs to memory dump.
This can be extracted from crash dumps and used for analysis.

Change-Id: If46aaa4ae68f83c79d4b51cbe5dfd22340aa991d
Signed-off-by: Yashwanth <yvulapu@codeaurora.org>
This commit is contained in:
Yashwanth
2021-01-18 14:45:51 +05:30
committed by Dhaval Patel
vanhempi bb66bea78f
commit 43d147f299
5 muutettua tiedostoa jossa 154 lisäystä ja 1 poistoa
Download Patch File Download Diff File Expand all files Collapse all files

15
msm/sde_dbg.c
Näytä tiedosto

@@ -234,6 +234,7 @@ struct sde_dbg_regbuf {
/**
* struct sde_dbg_base - global sde debug base structure
* @evtlog: event log instance
* @reglog: reg log instance
* @reg_base_list: list of register dumping regions
* @dev: device pointer
* @mutex: mutex to serialize access to serialze dumps, debugfs access
@@ -253,12 +254,14 @@ struct sde_dbg_regbuf {
* @dump_secure: dump entries excluding few as it is in secure-session
* @regbuf: buffer data to track the register dumping in hw recovery
* @cur_evt_index: index used for tracking event logs dump in hw recovery
* @cur_reglog_index: index used for tracking register logs dump in hw recovery
* @dbgbus_dump_idx: index used for tracking dbg-bus dump in hw recovery
* @vbif_dbgbus_dump_idx: index for tracking vbif dumps in hw recovery
* @hw_ownership: indicates if the VM owns the HW resources
*/
static struct sde_dbg_base {
struct sde_dbg_evtlog *evtlog;
struct sde_dbg_reglog *reglog;
struct list_head reg_base_list;
struct device *dev;
struct mutex mutex;
@@ -283,6 +286,7 @@ static struct sde_dbg_base {
struct sde_dbg_regbuf regbuf;
u32 cur_evt_index;
u32 cur_reglog_index;
enum sde_dbg_dump_context dump_mode;
bool hw_ownership;
} sde_dbg_base;
@@ -293,6 +297,9 @@ static DEFINE_MUTEX(sde_dbg_dsi_mutex);
/* sde_dbg_base_evtlog - global pointer to main sde event log for macro use */
struct sde_dbg_evtlog *sde_dbg_base_evtlog;
/* sde_dbg_base_reglog - global pointer to main sde reg log for macro use */
struct sde_dbg_reglog *sde_dbg_base_reglog;
static void _sde_debug_bus_xbar_dump(u32 wr_addr, u32 block_id, u32 test_id, u32 val)
{
SDE_DBG_LOG_DEBUGBUS("xbar", wr_addr, block_id, test_id, val);
@@ -2206,6 +2213,12 @@ int sde_dbg_init(struct device *dev)
sde_dbg_base_evtlog = sde_dbg_base.evtlog;
sde_dbg_base.reglog = sde_reglog_init();
if (IS_ERR_OR_NULL(sde_dbg_base.reglog))
return PTR_ERR(sde_dbg_base.reglog);
sde_dbg_base_reglog = sde_dbg_base.reglog;
INIT_WORK(&sde_dbg_base.dump_work, _sde_dump_work);
sde_dbg_base.work_panic = false;
sde_dbg_base.panic_on_err = DEFAULT_PANIC;
@@ -2265,6 +2278,8 @@ void sde_dbg_destroy(void)
sde_dbg_base_evtlog = NULL;
sde_evtlog_destroy(sde_dbg_base.evtlog);
sde_dbg_base.evtlog = NULL;
sde_reglog_destroy(sde_dbg_base.reglog);
sde_dbg_base.reglog = NULL;
sde_dbg_reg_base_destroy();
sde_dbg_dsi_ctrl_destroy();
mutex_destroy(&sde_dbg_base.mutex);