samsung-sm8650/android_kernel_samsung_sm8650-modules
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disp: msm: add rscc wrapper debugbus support

فهرست منبع 
Add support to the dump rscc wrapper debugbus information.

Change-Id: Id680615ebda6aeec093437b1b0b1708357f01d37
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>
This commit is contained in:
Veera Sundaram Sankaran
2021-02-21 16:19:28 -08:00
والد e8dd7a5ab3
کامیت 6389071ca8
1فایلهای تغییر یافته به همراه62 افزوده شده و 6 حذف شده
دانلود پرونده وصله دانلود فایل تغییرات diff Expand all files Collapse all files

68
msm/sde_dbg.c
مشاهده پرونده

@@ -26,6 +26,7 @@
#define DEFAULT_DBGBUS_SDE SDE_DBG_DUMP_IN_MEM
#define DEFAULT_DBGBUS_VBIFRT SDE_DBG_DUMP_IN_MEM
#define DEFAULT_DBGBUS_DSI SDE_DBG_DUMP_IN_MEM
#define DEFAULT_DBGBUS_RSC SDE_DBG_DUMP_IN_MEM
#define DEFAULT_DBGBUS_LUTDMA SDE_DBG_DUMP_IN_MEM
#define DEFAULT_BASE_REG_CNT DEFAULT_MDSS_HW_BLOCK_SIZE
#define GROUP_BYTES 4
@@ -36,6 +37,7 @@
#define DBGBUS_NAME_SDE "sde"
#define DBGBUS_NAME_VBIF_RT "vbif_rt"
#define DBGBUS_NAME_DSI "dsi"
#define DBGBUS_NAME_RSC "sde_rsc_wrapper"
#define DBGBUS_NAME_LUTDMA "reg_dma"
/* offsets from LUTDMA top address for the debug buses */
@@ -75,6 +77,9 @@
#define MMSS_VBIF_ERR_INFO_1 0x1a4
#define MMSS_VBIF_CLIENT_NUM 14
#define RSC_WRAPPER_DEBUG_BUS 0x010
#define RSC_WRAPPER_DEBUG_BUS_DATA 0x014
/* print debug ranges in groups of 4 u32s */
#define REG_DUMP_ALIGN 16
@@ -238,6 +243,7 @@ struct sde_dbg_regbuf {
* @dbgbus_sde: debug bus structure for the sde
* @dbgbus_vbif_rt: debug bus structure for the realtime vbif
* @dbgbus_dsi: debug bus structure for the dsi
* @dbgbus_rsc: debug bus structure for rscc
* @dbgbus_lutdma: debug bus structure for the lutdma hw
* @dump_all: dump all entries in register dump
* @dump_secure: dump entries excluding few as it is in secure-session
@@ -262,6 +268,7 @@ static struct sde_dbg_base {
struct sde_dbg_sde_debug_bus dbgbus_sde;
struct sde_dbg_sde_debug_bus dbgbus_vbif_rt;
struct sde_dbg_sde_debug_bus dbgbus_dsi;
struct sde_dbg_sde_debug_bus dbgbus_rsc;
struct sde_dbg_sde_debug_bus dbgbus_lutdma;
bool dump_all;
bool dump_secure;
@@ -394,6 +401,10 @@ static struct sde_debug_bus_entry dsi_dbg_bus[] = {
{DSI_DEBUG_BUS_CTRL, DSI_DEBUG_BUS, 0, 4, 0, 64},
};
static struct sde_debug_bus_entry rsc_dbg_bus[] = {
{RSC_WRAPPER_DEBUG_BUS, RSC_WRAPPER_DEBUG_BUS_DATA, 0, 1, 0, 16},
};
static struct sde_debug_bus_entry dbg_bus_lutdma[] = {
{ LUTDMA_0_DEBUG_BUS_CTRL, LUTDMA_0_DEBUG_BUS_STATUS, 0, 1, 0, 12 },
{ LUTDMA_0_DEBUG_BUS_CTRL, LUTDMA_0_DEBUG_BUS_STATUS, 0, 1, 256, 1 },
@@ -688,6 +699,14 @@ static void _sde_dbg_cmn_clear_test_point(void __iomem *mem_base, u32 wr_addr)
writel_relaxed(0, mem_base + wr_addr);
}
static u32 _sde_dbg_rsc_read_test_point(void __iomem *mem_base, u32 wr_addr, u32 rd_addr,
u32 block_id, u32 test_id)
{
u32 val = ((test_id & 0xf) << 1) | BIT(0);
return _sde_dbg_cmn_read_test_point(mem_base, wr_addr, rd_addr, val);
}
static u32 _sde_dbg_lutdma_read_test_point(void __iomem *mem_base, u32 wr_addr, u32 rd_addr,
u32 block_id, u32 test_id)
{
@@ -1008,6 +1027,7 @@ static void _sde_dump_array(struct sde_dbg_reg_base *blk_arr[],
if (dump_dbgbus_sde) {
_sde_dbg_dump_sde_dbg_bus(&sde_dbg_base.dbgbus_sde);
_sde_dbg_dump_sde_dbg_bus(&sde_dbg_base.dbgbus_lutdma);
_sde_dbg_dump_sde_dbg_bus(&sde_dbg_base.dbgbus_rsc);
}
if (dump_dbgbus_vbif_rt)
@@ -1119,12 +1139,10 @@ void sde_dbg_dump(enum sde_dbg_dump_context dump_mode, const char *name, ...)
if (dump_mode == SDE_DBG_DUMP_IRQ_CTX) {
/* schedule work to dump later */
sde_dbg_base.work_panic = do_panic;
sde_dbg_base.dbgbus_sde.cmn.include_in_deferred_work =
dump_dbgbus_sde;
sde_dbg_base.dbgbus_vbif_rt.cmn.include_in_deferred_work =
dump_dbgbus_vbif_rt;
sde_dbg_base.dbgbus_dsi.cmn.include_in_deferred_work =
dump_dbgbus_dsi;
sde_dbg_base.dbgbus_sde.cmn.include_in_deferred_work = dump_dbgbus_sde;
sde_dbg_base.dbgbus_vbif_rt.cmn.include_in_deferred_work = dump_dbgbus_vbif_rt;
sde_dbg_base.dbgbus_dsi.cmn.include_in_deferred_work = dump_dbgbus_dsi;
sde_dbg_base.dbgbus_rsc.cmn.include_in_deferred_work = dump_dbgbus_sde;
sde_dbg_base.dump_all = dump_all;
schedule_work(&sde_dbg_base.dump_work);
} else {
@@ -1671,6 +1689,27 @@ static const struct file_operations sde_recovery_dsi_dbgbus_fops = {
.read = sde_recovery_dbgbus_dump_read,
};
static int sde_recovery_rsc_dbgbus_dump_open(struct inode *inode,
struct file *file)
{
if (!inode || !file)
return -EINVAL;
/* non-seekable */
file->f_mode &= ~(FMODE_LSEEK | FMODE_PREAD | FMODE_PWRITE);
file->private_data = (void *)&sde_dbg_base.dbgbus_rsc.cmn;
mutex_lock(&sde_dbg_base.mutex);
sde_dbg_base.dbgbus_rsc.cmn.content_idx = 0;
mutex_unlock(&sde_dbg_base.mutex);
return 0;
}
static const struct file_operations sde_recovery_rsc_dbgbus_fops = {
.open = sde_recovery_rsc_dbgbus_dump_open,
.read = sde_recovery_dbgbus_dump_read,
};
static int sde_recovery_lutdma_dbgbus_dump_open(struct inode *inode,
struct file *file)
@@ -2118,6 +2157,15 @@ int sde_dbg_debugfs_register(struct device *dev)
&dbg->dbgbus_dsi.cmn.enable_mask);
}
if (dbg->dbgbus_rsc.entries) {
debugfs_create_file("recovery_rsc_dbgbus", 0400, debugfs_root,
NULL, &sde_recovery_rsc_dbgbus_fops);
snprintf(debug_name, sizeof(debug_name), "%s_dbgbus",
dbg->dbgbus_rsc.cmn.name);
debugfs_create_u32(debug_name, 0600, debugfs_root,
&dbg->dbgbus_rsc.cmn.enable_mask);
}
if (dbg->dbgbus_lutdma.entries) {
debugfs_create_file("recovery_lutdma_dbgbus", 0400,
debugfs_root, NULL,
@@ -2163,6 +2211,7 @@ void sde_dbg_init_dbg_buses(u32 hwversion)
memset(&dbg->dbgbus_sde, 0, sizeof(dbg->dbgbus_sde));
memset(&dbg->dbgbus_vbif_rt, 0, sizeof(dbg->dbgbus_vbif_rt));
memset(&dbg->dbgbus_dsi, 0, sizeof(dbg->dbgbus_dsi));
memset(&dbg->dbgbus_rsc, 0, sizeof(dbg->dbgbus_rsc));
dbg->dbgbus_sde.entries = dbg_bus_sde;
dbg->dbgbus_sde.cmn.entries_size = ARRAY_SIZE(dbg_bus_sde);
@@ -2190,6 +2239,13 @@ void sde_dbg_init_dbg_buses(u32 hwversion)
dbg->dbgbus_dsi.read_tp = _sde_dbg_dsi_read_test_point;
dbg->dbgbus_dsi.clear_tp = _sde_dbg_cmn_clear_test_point;
dbg->dbgbus_rsc.entries = rsc_dbg_bus;
dbg->dbgbus_rsc.cmn.entries_size = ARRAY_SIZE(rsc_dbg_bus);
dbg->dbgbus_rsc.cmn.name = DBGBUS_NAME_RSC;
dbg->dbgbus_rsc.cmn.enable_mask = DEFAULT_DBGBUS_RSC;
dbg->dbgbus_rsc.read_tp = _sde_dbg_rsc_read_test_point;
dbg->dbgbus_rsc.clear_tp = _sde_dbg_cmn_clear_test_point;
if (SDE_HW_REV_MAJOR(hwversion) >= 0x7) {
dbg->dbgbus_lutdma.entries = dbg_bus_lutdma;
dbg->dbgbus_lutdma.cmn.name = DBGBUS_NAME_LUTDMA;