disp: msm: use vzalloc for large allocations

Large allocations using kzalloc can lead to timeouts. This updates
the allocation calls accordingly to use vzalloc to remove
requirements on contiguous memory.

Change-Id: Ica54483787509ed0e9283289fc9d523e8cde9238
Signed-off-by: Nilaan Gunabalachandran <quic_ngunabal@quicinc.com>
Signed-off-by: Jayaprakash Madisetty <quic_jmadiset@quicinc.com>
This commit is contained in:
Jayaprakash Madisetty 2022-03-23 15:36:45 +05:30
parent a67699f42b
commit fdf36d7124
6 changed files with 41 additions and 21 deletions

View File

@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
*/
@ -4476,7 +4477,7 @@ void sde_cp_crtc_enable(struct drm_crtc *drm_crtc)
if (!num_mixers)
return;
mutex_lock(&crtc->crtc_cp_lock);
info = kzalloc(sizeof(struct sde_kms_info), GFP_KERNEL);
info = vzalloc(sizeof(struct sde_kms_info));
if (info) {
for (i = 0; i < ARRAY_SIZE(dspp_cap_update_func); i++)
dspp_cap_update_func[i](crtc, info);
@ -4485,7 +4486,7 @@ void sde_cp_crtc_enable(struct drm_crtc *drm_crtc)
info->data, SDE_KMS_INFO_DATALEN(info),
CRTC_PROP_DSPP_INFO);
}
kfree(info);
vfree(info);
mutex_unlock(&crtc->crtc_cp_lock);
}
@ -4500,12 +4501,12 @@ void sde_cp_crtc_disable(struct drm_crtc *drm_crtc)
}
crtc = to_sde_crtc(drm_crtc);
mutex_lock(&crtc->crtc_cp_lock);
info = kzalloc(sizeof(struct sde_kms_info), GFP_KERNEL);
info = vzalloc(sizeof(struct sde_kms_info));
if (info)
msm_property_set_blob(&crtc->property_info,
&crtc->dspp_blob_info,
info->data, SDE_KMS_INFO_DATALEN(info),
CRTC_PROP_DSPP_INFO);
mutex_unlock(&crtc->crtc_cp_lock);
kfree(info);
vfree(info);
}

View File

@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
*/
@ -2633,7 +2634,7 @@ int sde_connector_set_blob_data(struct drm_connector *conn,
return -EINVAL;
}
info = kzalloc(sizeof(*info), GFP_KERNEL);
info = vzalloc(sizeof(*info));
if (!info)
return -ENOMEM;
@ -2691,7 +2692,7 @@ int sde_connector_set_blob_data(struct drm_connector *conn,
SDE_KMS_INFO_DATALEN(info),
prop_id);
exit:
kfree(info);
vfree(info);
return rc;
}

View File

@ -5415,7 +5415,7 @@ static void sde_crtc_install_properties(struct drm_crtc *crtc,
return;
}
info = kzalloc(sizeof(struct sde_kms_info), GFP_KERNEL);
info = vzalloc(sizeof(struct sde_kms_info));
if (!info) {
SDE_ERROR("failed to allocate info memory\n");
return;
@ -5499,7 +5499,7 @@ static void sde_crtc_install_properties(struct drm_crtc *crtc,
info->data, SDE_KMS_INFO_DATALEN(info),
CRTC_PROP_INFO);
kfree(info);
vfree(info);
}
static int _sde_crtc_get_output_fence(struct drm_crtc *crtc,

View File

@ -3665,7 +3665,7 @@ static void _sde_plane_setup_capabilities_blob(struct sde_plane *psde,
sde_kms_info_add_keyint(info, "pipe_idx", pipe_id);
index = (master_plane_id == 0) ? 0 : 1;
if (catalog->has_demura &&
if (catalog->has_demura && psde->pipe < SSPP_MAX &&
catalog->demura_supported[psde->pipe][index] != ~0x0)
sde_kms_info_add_keyint(info, "demura_block", index);
@ -3755,7 +3755,7 @@ static void _sde_plane_install_properties(struct drm_plane *plane,
psde->catalog = catalog;
is_master = !psde->is_virtual;
info = kzalloc(sizeof(struct sde_kms_info), GFP_KERNEL);
info = vzalloc(sizeof(struct sde_kms_info));
if (!info) {
SDE_ERROR("failed to allocate info memory\n");
return;
@ -3834,7 +3834,7 @@ static void _sde_plane_install_properties(struct drm_plane *plane,
ARRAY_SIZE(e_fb_translation_mode), 0,
PLANE_PROP_FB_TRANSLATION_MODE);
kfree(info);
vfree(info);
}
static inline void _sde_plane_set_csc_v1(struct sde_plane *psde,

View File

@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2009-2021, The Linux Foundation. All rights reserved.
*/
@ -228,6 +229,7 @@ struct sde_dbg_regbuf {
* struct sde_dbg_base - global sde debug base structure
* @evtlog: event log instance
* @reglog: reg log instance
* @reg_dump_base: base address of register dump region
* @reg_base_list: list of register dumping regions
* @dev: device pointer
* @mutex: mutex to serialize access to serialze dumps, debugfs access
@ -253,6 +255,7 @@ struct sde_dbg_base {
struct sde_dbg_evtlog *evtlog;
struct sde_dbg_reglog *reglog;
struct list_head reg_base_list;
void *reg_dump_base;
void *reg_dump_addr;
struct device *dev;
struct mutex mutex;
@ -992,7 +995,7 @@ static void _sde_dbg_dump_sde_dbg_bus(struct sde_dbg_sde_debug_bus *bus)
in_mem = (bus->cmn.enable_mask & SDE_DBG_DUMP_IN_MEM);
if (in_mem && (!(*dump_mem))) {
*dump_mem = devm_kzalloc(sde_dbg_base.dev, list_size, GFP_KERNEL);
*dump_mem = vzalloc(list_size);
bus->cmn.content_size = list_size / sizeof(u32);
}
@ -1040,7 +1043,7 @@ static void _sde_dbg_dump_dsi_dbg_bus(struct sde_dbg_sde_debug_bus *bus)
mutex_lock(&sde_dbg_dsi_mutex);
in_mem = (bus->cmn.enable_mask & SDE_DBG_DUMP_IN_MEM);
if (in_mem && (!(*dump_mem))) {
*dump_mem = devm_kzalloc(sde_dbg_base.dev, list_size, GFP_KERNEL);
*dump_mem = vzalloc(list_size);
bus->cmn.content_size = list_size / sizeof(u32);
}
@ -1086,8 +1089,10 @@ static void _sde_dump_array(struct sde_dbg_reg_base *blk_arr[],
mutex_lock(&sde_dbg_base.mutex);
reg_dump_size = _sde_dbg_get_reg_dump_size();
dbg_base->reg_dump_addr = devm_kzalloc(sde_dbg_base.dev,
reg_dump_size, GFP_KERNEL);
if (!dbg_base->reg_dump_base)
dbg_base->reg_dump_base = vzalloc(reg_dump_size);
dbg_base->reg_dump_addr = dbg_base->reg_dump_base;
if (!dbg_base->reg_dump_addr)
pr_err("Failed to allocate memory for reg_dump_addr size:%d\n",
@ -1627,7 +1632,7 @@ static ssize_t sde_recovery_regdump_read(struct file *file, char __user *ubuf,
if (!rbuf->dump_done && !rbuf->cur_blk) {
if (!rbuf->buf)
rbuf->buf = kzalloc(DUMP_BUF_SIZE, GFP_KERNEL);
rbuf->buf = vzalloc(DUMP_BUF_SIZE);
if (!rbuf->buf) {
len = -ENOMEM;
goto err;
@ -2402,6 +2407,7 @@ static void sde_dbg_reg_base_destroy(void)
list_del(&blk_base->reg_base_head);
kfree(blk_base);
}
vfree(dbg_base->reg_dump_base);
}
static void sde_dbg_dsi_ctrl_destroy(void)
@ -2416,12 +2422,22 @@ static void sde_dbg_dsi_ctrl_destroy(void)
mutex_unlock(&sde_dbg_dsi_mutex);
}
static void sde_dbg_buses_destroy(void)
{
struct sde_dbg_base *dbg_base = &sde_dbg_base;
vfree(dbg_base->dbgbus_sde.cmn.dumped_content);
vfree(dbg_base->dbgbus_vbif_rt.cmn.dumped_content);
vfree(dbg_base->dbgbus_dsi.cmn.dumped_content);
vfree(dbg_base->dbgbus_lutdma.cmn.dumped_content);
}
/**
* sde_dbg_destroy - destroy sde debug facilities
*/
void sde_dbg_destroy(void)
{
kfree(sde_dbg_base.regbuf.buf);
vfree(sde_dbg_base.regbuf.buf);
memset(&sde_dbg_base.regbuf, 0, sizeof(sde_dbg_base.regbuf));
_sde_dbg_debugfs_destroy();
sde_dbg_base_evtlog = NULL;
@ -2431,6 +2447,7 @@ void sde_dbg_destroy(void)
sde_dbg_base.reglog = NULL;
sde_dbg_reg_base_destroy();
sde_dbg_dsi_ctrl_destroy();
sde_dbg_buses_destroy();
mutex_destroy(&sde_dbg_base.mutex);
}

View File

@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
*/
@ -219,7 +220,7 @@ struct sde_dbg_evtlog *sde_evtlog_init(void)
{
struct sde_dbg_evtlog *evtlog;
evtlog = kzalloc(sizeof(*evtlog), GFP_KERNEL);
evtlog = vzalloc(sizeof(*evtlog));
if (!evtlog)
return ERR_PTR(-ENOMEM);
@ -239,7 +240,7 @@ struct sde_dbg_reglog *sde_reglog_init(void)
{
struct sde_dbg_reglog *reglog;
reglog = kzalloc(sizeof(*reglog), GFP_KERNEL);
reglog = vzalloc(sizeof(*reglog));
if (!reglog)
return ERR_PTR(-ENOMEM);
@ -350,7 +351,7 @@ void sde_evtlog_destroy(struct sde_dbg_evtlog *evtlog)
list_del(&filter_node->list);
kfree(filter_node);
}
kfree(evtlog);
vfree(evtlog);
}
void sde_reglog_destroy(struct sde_dbg_reglog *reglog)
@ -358,5 +359,5 @@ void sde_reglog_destroy(struct sde_dbg_reglog *reglog)
if (!reglog)
return;
kfree(reglog);
vfree(reglog);
}