Change msm_disp_snapshot to use dump_state API.
Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
drivers/gpu/drm/msm/Kconfig | 1 +
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 2 +-
drivers/gpu/drm/msm/disp/msm_disp_snapshot.c | 2 +-
drivers/gpu/drm/msm/disp/msm_disp_snapshot.h | 21 +------
.../gpu/drm/msm/disp/msm_disp_snapshot_util.c | 56 ++++++-------------
drivers/gpu/drm/msm/dp/dp_catalog.c | 3 +-
drivers/gpu/drm/msm/dp/dp_catalog.h | 4 +-
drivers/gpu/drm/msm/dp/dp_display.c | 2 +-
drivers/gpu/drm/msm/dsi/dsi.c | 2 +-
drivers/gpu/drm/msm/dsi/dsi.h | 4 +-
drivers/gpu/drm/msm/dsi/dsi_host.c | 2 +-
drivers/gpu/drm/msm/dsi/phy/dsi_phy.c | 2 +-
drivers/gpu/drm/msm/msm_drv.h | 9 +--
drivers/gpu/drm/msm/msm_kms.h | 2 +-
14 files changed, 38 insertions(+), 74 deletions(-)
diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig
index 10f693ea89d3..d3e151ffa1f7 100644
--- a/drivers/gpu/drm/msm/Kconfig
+++ b/drivers/gpu/drm/msm/Kconfig
@@ -21,6 +21,7 @@ config DRM_MSM
select SYNC_FILE
select PM_OPP
select NVMEM
+ select DUMP_STATE
help
DRM/KMS driver for MSM/snapdragon.
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index e500a9294528..d85f425db087 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -799,7 +799,7 @@ static void dpu_irq_uninstall(struct msm_kms *kms)
dpu_core_irq_uninstall(dpu_kms);
}
-static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct
msm_kms *kms)
+static void dpu_kms_mdp_snapshot(struct dump_state *disp_state, struct msm_kms
*kms)
{
int i;
struct dpu_kms *dpu_kms;
diff --git a/drivers/gpu/drm/msm/disp/msm_disp_snapshot.c
b/drivers/gpu/drm/msm/disp/msm_disp_snapshot.c
index a4a7cb06bc87..c1f725c0cf60 100644
--- a/drivers/gpu/drm/msm/disp/msm_disp_snapshot.c
+++ b/drivers/gpu/drm/msm/disp/msm_disp_snapshot.c
@@ -42,7 +42,7 @@ static void _msm_disp_snapshot_work(struct kthread_work *work)
disp_state->dev = drm_dev->dev;
disp_state->drm_dev = drm_dev;
- INIT_LIST_HEAD(&disp_state->blocks);
+ dump_state_init(&disp_state->dump);
/* Serialize dumping here */
mutex_lock(&kms->dump_mutex);
diff --git a/drivers/gpu/drm/msm/disp/msm_disp_snapshot.h
b/drivers/gpu/drm/msm/disp/msm_disp_snapshot.h
index c92a9508c8d3..327df4892a9c 100644
--- a/drivers/gpu/drm/msm/disp/msm_disp_snapshot.h
+++ b/drivers/gpu/drm/msm/disp/msm_disp_snapshot.h
@@ -25,6 +25,7 @@
#include <linux/pm_runtime.h>
#include <linux/kthread.h>
#include <linux/devcoredump.h>
+#include <linux/dump_state.h>
#include <stdarg.h>
#include "msm_kms.h"
@@ -47,27 +48,11 @@ struct msm_disp_state {
struct device *dev;
struct drm_device *drm_dev;
- struct list_head blocks;
-
struct drm_atomic_state *atomic_state;
ktime_t timestamp;
-};
-/**
- * struct msm_disp_state_block - structure to store each hardware block state
- * @name: name of the block
- * @drm_dev: handle to the linked list head
- * @size: size of the register space of this hardware block
- * @state: array holding the register dump of this hardware block
- * @base_addr: starting address of this hardware block's register space
- */
-struct msm_disp_state_block {
- char name[SZ_128];
- struct list_head node;
- unsigned int size;
- u32 *state;
- void __iomem *base_addr;
+ struct dump_state dump;
};
/**
@@ -130,7 +115,7 @@ void msm_disp_state_free(void *data);
* Returns: none
*/
__printf(4, 5)
-void msm_disp_snapshot_add_block(struct msm_disp_state *disp_state, u32 len,
+void msm_disp_snapshot_add_block(struct dump_state *disp_state, u32 len,
void __iomem *base_addr, const char *fmt, ...);
#endif /* MSM_DISP_SNAPSHOT_H_ */
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 cabe15190ec1..9f61e376bec2 100644
--- a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
+++ b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
@@ -7,13 +7,12 @@
#include "msm_disp_snapshot.h"
-static void msm_disp_state_dump_regs(u32 **reg, u32 aligned_len, void __iomem
*base_addr)
+static void msm_disp_state_dump_regs(u32 *dump_addr, size_t aligned_len, void
__iomem *base_addr)
{
u32 len_padded;
u32 num_rows;
u32 x0, x4, x8, xc;
void __iomem *addr;
- u32 *dump_addr = NULL;
void __iomem *end_addr;
int i;
@@ -23,12 +22,6 @@ static void msm_disp_state_dump_regs(u32 **reg, u32
aligned_len, void __iomem *b
addr = base_addr;
end_addr = base_addr + aligned_len;
- if (!(*reg))
- *reg = kzalloc(len_padded, GFP_KERNEL);
-
- if (*reg)
- dump_addr = *reg;
-
for (i = 0; i < num_rows; i++) {
x0 = (addr < end_addr) ? readl_relaxed(addr + 0x0) : 0;
x4 = (addr + 0x4 < end_addr) ? readl_relaxed(addr + 0x4) : 0;
@@ -46,20 +39,16 @@ static void msm_disp_state_dump_regs(u32 **reg, u32
aligned_len, void __iomem *b
}
}
-static void msm_disp_state_print_regs(u32 **reg, u32 len, void __iomem
*base_addr,
+static void msm_disp_state_print_regs(u32 *dump_addr, size_t len, void __iomem
*base_addr,
struct drm_printer *p)
{
int i;
- u32 *dump_addr = NULL;
void __iomem *addr;
u32 num_rows;
addr = base_addr;
num_rows = len / REG_DUMP_ALIGN;
- if (*reg)
- dump_addr = *reg;
-
for (i = 0; i < num_rows; i++) {
drm_printf(p, "0x%lx : %08x %08x %08x %08x\n",
(unsigned long)(addr - base_addr),
@@ -71,7 +60,7 @@ static void msm_disp_state_print_regs(u32 **reg, u32 len,
void __iomem *base_add
void msm_disp_state_print(struct msm_disp_state *state, struct drm_printer *p)
{
- struct msm_disp_state_block *block, *tmp;
+ struct dump_state_block *block;
if (!p) {
DRM_ERROR("invalid drm printer\n");
@@ -84,9 +73,9 @@ void msm_disp_state_print(struct msm_disp_state *state,
struct drm_printer *p)
drm_printf(p, "dpu devcoredump\n");
drm_printf(p, "timestamp %lld\n", ktime_to_ns(state->timestamp));
- list_for_each_entry_safe(block, tmp, &state->blocks, node) {
+ dump_state_for_each_block(&state->dump, block) {
drm_printf(p, "====================%s================\n",
block->name);
- msm_disp_state_print_regs(&block->state, block->size,
block->base_addr, p);
+ msm_disp_state_print_regs((u32 *)block->state, block->size,
block->base_addr, p);
}
drm_printf(p, "===================dpu drm state================\n");
@@ -127,17 +116,17 @@ void msm_disp_snapshot_capture_state(struct
msm_disp_state *disp_state)
kms = priv->kms;
if (priv->dp)
- msm_dp_snapshot(disp_state, priv->dp);
+ msm_dp_snapshot(&disp_state->dump, priv->dp);
for (i = 0; i < ARRAY_SIZE(priv->dsi); i++) {
if (!priv->dsi[i])
continue;
- msm_dsi_snapshot(disp_state, priv->dsi[i]);
+ msm_dsi_snapshot(&disp_state->dump, priv->dsi[i]);
}
if (kms->funcs->snapshot)
- kms->funcs->snapshot(disp_state, kms);
+ kms->funcs->snapshot(&disp_state->dump, kms);
msm_disp_capture_atomic_state(disp_state);
}
@@ -145,43 +134,30 @@ void msm_disp_snapshot_capture_state(struct
msm_disp_state *disp_state)
void msm_disp_state_free(void *data)
{
struct msm_disp_state *disp_state = data;
- struct msm_disp_state_block *block, *tmp;
if (disp_state->atomic_state) {
drm_atomic_state_put(disp_state->atomic_state);
disp_state->atomic_state = NULL;
}
- list_for_each_entry_safe(block, tmp, &disp_state->blocks, node) {
- list_del(&block->node);
- kfree(block->state);
- kfree(block);
- }
+ dump_state_free_blocks(&disp_state->dump);
kfree(disp_state);
}
-void msm_disp_snapshot_add_block(struct msm_disp_state *disp_state, u32 len,
+void msm_disp_snapshot_add_block(struct dump_state *disp_state, u32 len,
void __iomem *base_addr, const char *fmt, ...)
{
- struct msm_disp_state_block *new_blk;
- struct va_format vaf;
+ struct dump_state_block *new_blk;
va_list va;
- new_blk = kzalloc(sizeof(struct msm_disp_state_block), GFP_KERNEL);
-
va_start(va, fmt);
-
- vaf.fmt = fmt;
- vaf.va = &va;
- snprintf(new_blk->name, sizeof(new_blk->name), "%pV", &vaf);
-
+ new_blk = dump_state_allocate_block_va(base_addr, ALIGN(len,
REG_DUMP_ALIGN), GFP_KERNEL, fmt, va);
va_end(va);
- INIT_LIST_HEAD(&new_blk->node);
- new_blk->size = ALIGN(len, REG_DUMP_ALIGN);
- new_blk->base_addr = base_addr;
+ if (IS_ERR(new_blk))
+ return;
- msm_disp_state_dump_regs(&new_blk->state, new_blk->size, base_addr);
- list_add(&new_blk->node, &disp_state->blocks);
+ msm_disp_state_dump_regs((u32 *)new_blk->state, new_blk->size,
base_addr);
+ dump_state_add_block(disp_state, new_blk);
}
diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c
b/drivers/gpu/drm/msm/dp/dp_catalog.c
index 854c41d05b19..1155571beef4 100644
--- a/drivers/gpu/drm/msm/dp/dp_catalog.c
+++ b/drivers/gpu/drm/msm/dp/dp_catalog.c
@@ -15,6 +15,7 @@
#include "dp_catalog.h"
#include "dp_reg.h"
+#include "disp/msm_disp_snapshot.h"
#define POLLING_SLEEP_US 1000
#define POLLING_TIMEOUT_US 10000
@@ -62,7 +63,7 @@ struct dp_catalog_private {
u8 aux_lut_cfg_index[PHY_AUX_CFG_MAX];
};
-void dp_catalog_snapshot(struct dp_catalog *dp_catalog, struct msm_disp_state
*disp_state)
+void dp_catalog_snapshot(struct dp_catalog *dp_catalog, struct dump_state
*disp_state)
{
struct dp_catalog_private *catalog = container_of(dp_catalog,
struct dp_catalog_private, dp_catalog);
diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.h
b/drivers/gpu/drm/msm/dp/dp_catalog.h
index e7e8b13d1753..9fc9019fac35 100644
--- a/drivers/gpu/drm/msm/dp/dp_catalog.h
+++ b/drivers/gpu/drm/msm/dp/dp_catalog.h
@@ -7,9 +7,9 @@
#define _DP_CATALOG_H_
#include <drm/drm_modes.h>
+#include <linux/dump_state.h>
#include "dp_parser.h"
-#include "disp/msm_disp_snapshot.h"
/* interrupts */
#define DP_INTR_HPD BIT(0)
@@ -73,7 +73,7 @@ struct dp_catalog {
};
/* Debug module */
-void dp_catalog_snapshot(struct dp_catalog *dp_catalog, struct msm_disp_state
*disp_state);
+void dp_catalog_snapshot(struct dp_catalog *dp_catalog, struct dump_state
*disp_state);
/* AUX APIs */
u32 dp_catalog_aux_read_data(struct dp_catalog *dp_catalog);
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/drm/msm/dp/dp_display.c
index cf9c64534624..0ef4080e1e79 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -1039,7 +1039,7 @@ int dp_display_get_test_bpp(struct msm_dp *dp)
dp_display->link->test_video.test_bit_depth);
}
-void msm_dp_snapshot(struct msm_disp_state *disp_state, struct msm_dp *dp)
+void msm_dp_snapshot(struct dump_state *disp_state, struct msm_dp *dp)
{
struct dp_display_private *dp_display;
struct drm_device *drm;
diff --git a/drivers/gpu/drm/msm/dsi/dsi.c b/drivers/gpu/drm/msm/dsi/dsi.c
index 75afc12a7b25..ce76edfa681a 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.c
+++ b/drivers/gpu/drm/msm/dsi/dsi.c
@@ -266,7 +266,7 @@ int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct
drm_device *dev,
return ret;
}
-void msm_dsi_snapshot(struct msm_disp_state *disp_state, struct msm_dsi
*msm_dsi)
+void msm_dsi_snapshot(struct dump_state *disp_state, struct msm_dsi *msm_dsi)
{
msm_dsi_host_snapshot(disp_state, msm_dsi->host);
msm_dsi_phy_snapshot(disp_state, msm_dsi->phy);
diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h
index d64db1badd4b..9ccdf1563cf2 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.h
+++ b/drivers/gpu/drm/msm/dsi/dsi.h
@@ -147,7 +147,7 @@ int dsi_clk_init_v2(struct msm_dsi_host *msm_host);
int dsi_clk_init_6g_v2(struct msm_dsi_host *msm_host);
int dsi_calc_clk_rate_v2(struct msm_dsi_host *msm_host, bool is_dual_dsi);
int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_dual_dsi);
-void msm_dsi_host_snapshot(struct msm_disp_state *disp_state, struct
mipi_dsi_host *host);
+void msm_dsi_host_snapshot(struct dump_state *disp_state, struct mipi_dsi_host
*host);
/* dsi phy */
struct msm_dsi_phy;
struct msm_dsi_phy_shared_timings {
@@ -169,7 +169,7 @@ int msm_dsi_phy_enable(struct msm_dsi_phy *phy,
void msm_dsi_phy_disable(struct msm_dsi_phy *phy);
void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy,
enum msm_dsi_phy_usecase uc);
-void msm_dsi_phy_snapshot(struct msm_disp_state *disp_state, struct
msm_dsi_phy *phy);
+void msm_dsi_phy_snapshot(struct dump_state *disp_state, struct msm_dsi_phy
*phy);
#endif /* __DSI_CONNECTOR_H__ */
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c
b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 4d5b73c031ee..72e48d83189d 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -2438,7 +2438,7 @@ struct drm_bridge *msm_dsi_host_get_bridge(struct
mipi_dsi_host *host)
return of_drm_find_bridge(msm_host->device_node);
}
-void msm_dsi_host_snapshot(struct msm_disp_state *disp_state, struct
mipi_dsi_host *host)
+void msm_dsi_host_snapshot(struct dump_state *disp_state, struct mipi_dsi_host
*host)
{
struct msm_dsi_host *msm_host = to_msm_dsi_host(host);
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
index b7b178cc318b..10ac875d89ac 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
@@ -872,7 +872,7 @@ void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy,
if (phy)
phy->usecase = uc;
}
-void msm_dsi_phy_snapshot(struct msm_disp_state *disp_state, struct
msm_dsi_phy *phy)
+void msm_dsi_phy_snapshot(struct dump_state *disp_state, struct msm_dsi_phy
*phy)
{
msm_disp_snapshot_add_block(disp_state,
phy->base_size, phy->base,
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index ba60bf6f124c..32601212f02a 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -11,6 +11,7 @@
#include <linux/kernel.h>
#include <linux/clk.h>
#include <linux/cpufreq.h>
+#include <linux/dump_state.h>
#include <linux/module.h>
#include <linux/component.h>
#include <linux/platform_device.h>
@@ -43,7 +44,6 @@ struct msm_gem_submit;
struct msm_fence_context;
struct msm_gem_address_space;
struct msm_gem_vma;
-struct msm_disp_state;
#define MAX_CRTCS 8
#define MAX_PLANES 20
@@ -341,7 +341,7 @@ void __init msm_dsi_register(void);
void __exit msm_dsi_unregister(void);
int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev,
struct drm_encoder *encoder);
-void msm_dsi_snapshot(struct msm_disp_state *disp_state, struct msm_dsi
*msm_dsi);
+void msm_dsi_snapshot(struct dump_state *disp_state, struct msm_dsi *msm_dsi);
#else
static inline void __init msm_dsi_register(void)
@@ -356,7 +356,7 @@ static inline int msm_dsi_modeset_init(struct msm_dsi
*msm_dsi,
{
return -EINVAL;
}
-static inline void msm_dsi_snapshot(struct msm_disp_state *disp_state, struct
msm_dsi *msm_dsi)
+static inline void msm_dsi_snapshot(struct dump_state *disp_state, struct
msm_dsi *msm_dsi)
{
}
@@ -374,7 +374,8 @@ void msm_dp_display_mode_set(struct msm_dp *dp, struct
drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
void msm_dp_irq_postinstall(struct msm_dp *dp_display);
-void msm_dp_snapshot(struct msm_disp_state *disp_state, struct msm_dp
*dp_display);
+struct dump_state;
+void msm_dp_snapshot(struct dump_state *disp_state, struct msm_dp *dp_display);
void msm_dp_debugfs_init(struct msm_dp *dp_display, struct drm_minor *minor);
diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h
index 086a2d59b8c8..da27b94b11bf 100644
--- a/drivers/gpu/drm/msm/msm_kms.h
+++ b/drivers/gpu/drm/msm/msm_kms.h
@@ -124,7 +124,7 @@ struct msm_kms_funcs {
void (*destroy)(struct msm_kms *kms);
/* snapshot: */
- void (*snapshot)(struct msm_disp_state *disp_state, struct msm_kms
*kms);
+ void (*snapshot)(struct dump_state *disp_state, struct msm_kms *kms);
#ifdef CONFIG_DEBUG_FS
/* debugfs: */
--
2.30.2
