samsung-sm8650/android_kernel_samsung_sm8650-modules
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video: driver: add support to bugon for requested types

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Added change to enable bugon at handle_system_error for
error types requested via debugfs property.

Fatal:
adb shell "echo 0x1 > /d/msm_vidc/enable_bugon"

NoC:
adb shell "echo 0x2 > /d/msm_vidc/enable_bugon"

WD Timeout:
adb shell "echo 0x4 > /d/msm_vidc/enable_bugon".

Change-Id: Iecc1b076c7ca53acee837d68e1a7446dbaef6e94
Signed-off-by: Govindaraj Rajagopal <grajagop@codeaurora.org>
This commit is contained in:
Govindaraj Rajagopal
2021-07-09 15:59:10 +05:30
parent c7b23776f2
commit 63614e76b8
3 changed files with 36 additions and 1 deletions
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15
driver/vidc/inc/msm_vidc_debug.h
View File

@@ -35,6 +35,7 @@ extern bool msm_vidc_lossless_encode;
extern bool msm_vidc_syscache_disable; extern bool msm_vidc_syscache_disable;
extern int msm_vidc_clock_voting; extern int msm_vidc_clock_voting;
extern bool msm_vidc_fw_dump; extern bool msm_vidc_fw_dump;
extern unsigned int msm_vidc_enable_bugon;
/* To enable messages OR these values and /* To enable messages OR these values and
* echo the result to debugfs file. * echo the result to debugfs file.
@@ -120,6 +121,14 @@ enum vidc_msg_prio {
} \ } \
} while (0) } while (0)
#define MSM_VIDC_FATAL(value) \
do { \
if (value) { \
d_vpr_e("bug on\n"); \
BUG_ON(value); \
} \
} while (0)
enum msm_vidc_debugfs_event { enum msm_vidc_debugfs_event {
MSM_VIDC_DEBUGFS_EVENT_ETB, MSM_VIDC_DEBUGFS_EVENT_ETB,
MSM_VIDC_DEBUGFS_EVENT_EBD, MSM_VIDC_DEBUGFS_EVENT_EBD,
@@ -127,6 +136,12 @@ enum msm_vidc_debugfs_event {
MSM_VIDC_DEBUGFS_EVENT_FBD, MSM_VIDC_DEBUGFS_EVENT_FBD,
}; };
enum msm_vidc_bug_on_error {
MSM_VIDC_BUG_ON_FATAL = BIT(0),
MSM_VIDC_BUG_ON_NOC = BIT(1),
MSM_VIDC_BUG_ON_WD_TIMEOUT = BIT(2),
};
struct dentry *msm_vidc_debugfs_init_drv(void); struct dentry *msm_vidc_debugfs_init_drv(void);
struct dentry *msm_vidc_debugfs_init_core(void *core); struct dentry *msm_vidc_debugfs_init_core(void *core);
struct dentry *msm_vidc_debugfs_init_inst(void *inst, struct dentry *msm_vidc_debugfs_init_inst(void *inst,

5
driver/vidc/src/msm_vidc_debug.c
View File

@@ -86,6 +86,9 @@ int msm_vidc_clock_voting = !1;
bool msm_vidc_fw_dump = !true; bool msm_vidc_fw_dump = !true;
EXPORT_SYMBOL(msm_vidc_fw_dump); EXPORT_SYMBOL(msm_vidc_fw_dump);
unsigned int msm_vidc_enable_bugon = !1;
EXPORT_SYMBOL(msm_vidc_enable_bugon);
#define MAX_DBG_BUF_SIZE 4096 #define MAX_DBG_BUF_SIZE 4096
struct core_inst_pair { struct core_inst_pair {
@@ -249,6 +252,8 @@ struct dentry* msm_vidc_debugfs_init_drv()
&msm_vidc_lossless_encode); &msm_vidc_lossless_encode);
debugfs_create_bool("msm_vidc_fw_dump", 0644, dir, debugfs_create_bool("msm_vidc_fw_dump", 0644, dir,
&msm_vidc_fw_dump); &msm_vidc_fw_dump);
debugfs_create_u32("enable_bugon", 0644, dir,
&msm_vidc_enable_bugon);
return dir; return dir;

17
driver/vidc/src/venus_hfi_response.c
View File

@@ -436,10 +436,25 @@ void fw_coredump(struct msm_vidc_core *core)
int handle_system_error(struct msm_vidc_core *core, int handle_system_error(struct msm_vidc_core *core,
struct hfi_packet *pkt) struct hfi_packet *pkt)
{ {
d_vpr_e("%s: system error received\n", __func__); bool bug_on = false;
d_vpr_e("%s: system error received\n", __func__);
print_sfr_message(core); print_sfr_message(core);
venus_hfi_noc_error_info(core); venus_hfi_noc_error_info(core);
/* enable force bugon for requested type */
if (pkt->type == HFI_SYS_ERROR_FATAL)
bug_on = !!(msm_vidc_enable_bugon & MSM_VIDC_BUG_ON_FATAL);
else if (pkt->type == HFI_SYS_ERROR_NOC)
bug_on = !!(msm_vidc_enable_bugon & MSM_VIDC_BUG_ON_NOC);
else if (pkt->type == HFI_SYS_ERROR_WD_TIMEOUT)
bug_on = !!(msm_vidc_enable_bugon & MSM_VIDC_BUG_ON_WD_TIMEOUT);
if (bug_on) {
d_vpr_e("%s: force bugon for type %#x\n", __func__, pkt->type);
MSM_VIDC_FATAL(true);
}
msm_vidc_core_deinit(core, true); msm_vidc_core_deinit(core, true);
return 0; return 0;