diff options
author | Stanimir Varbanov <stanimir.varbanov@linaro.org> | 2021-04-23 08:24:54 +0100 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-10-21 14:20:26 +0100 |
commit | b46ff4eb34ce250df30dc239bab5fedc64c317ed (patch) | |
tree | 73870904eeff10a4f881a04ca000eb76a0b71ffc /drivers/media | |
parent | 3f3e877ce8efabe44ddc8e13885f99cdc770e198 (diff) |
media: venus: Make sys_error flag an atomic bitops
Make the sys_error flag an atomic bitops in order to avoid
locking in sys_error readers.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Tested-by: Vikash Garodia <vgarodia@codeaurora.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media')
-rw-r--r-- | drivers/media/platform/qcom/venus/core.c | 4 | ||||
-rw-r--r-- | drivers/media/platform/qcom/venus/core.h | 3 | ||||
-rw-r--r-- | drivers/media/platform/qcom/venus/helpers.c | 2 | ||||
-rw-r--r-- | drivers/media/platform/qcom/venus/hfi.c | 2 | ||||
-rw-r--r-- | drivers/media/platform/qcom/venus/vdec.c | 2 |
5 files changed, 7 insertions, 6 deletions
diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index de7b32caa8b8..0f31cc5668c1 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -65,7 +65,7 @@ static void venus_event_notify(struct venus_core *core, u32 event) } mutex_lock(&core->lock); - core->sys_error = true; + set_bit(0, &core->sys_error); list_for_each_entry(inst, &core->instances, list) inst->ops->event_notify(inst, EVT_SESSION_ERROR, NULL); mutex_unlock(&core->lock); @@ -161,7 +161,7 @@ static void venus_sys_error_handler(struct work_struct *work) dev_warn(core->dev, "system error has occurred (recovered)\n"); mutex_lock(&core->lock); - core->sys_error = false; + clear_bit(0, &core->sys_error); mutex_unlock(&core->lock); } diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h index a3f077f64be0..46d87a1226ff 100644 --- a/drivers/media/platform/qcom/venus/core.h +++ b/drivers/media/platform/qcom/venus/core.h @@ -7,6 +7,7 @@ #ifndef __VENUS_CORE_H_ #define __VENUS_CORE_H_ +#include <linux/bitops.h> #include <linux/list.h> #include <media/videobuf2-v4l2.h> #include <media/v4l2-ctrls.h> @@ -182,7 +183,7 @@ struct venus_core { unsigned int state; struct completion done; unsigned int error; - bool sys_error; + unsigned long sys_error; const struct hfi_core_ops *core_ops; const struct venus_pm_ops *pm_ops; struct mutex pm_lock; diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c index 7f2f5b91caaa..8cebb8e29aed 100644 --- a/drivers/media/platform/qcom/venus/helpers.c +++ b/drivers/media/platform/qcom/venus/helpers.c @@ -1486,7 +1486,7 @@ void venus_helper_vb2_stop_streaming(struct vb2_queue *q) ret |= venus_helper_intbufs_free(inst); ret |= hfi_session_deinit(inst); - if (inst->session_error || core->sys_error) + if (inst->session_error || test_bit(0, &core->sys_error)) ret = -EIO; if (ret) diff --git a/drivers/media/platform/qcom/venus/hfi.c b/drivers/media/platform/qcom/venus/hfi.c index 0f2482367e06..179b1f8b2650 100644 --- a/drivers/media/platform/qcom/venus/hfi.c +++ b/drivers/media/platform/qcom/venus/hfi.c @@ -214,7 +214,7 @@ int hfi_session_init(struct venus_inst *inst, u32 pixfmt) * session_init() can't pass successfully */ mutex_lock(&core->lock); - if (!core->ops || core->sys_error) { + if (!core->ops || test_bit(0, &inst->core->sys_error)) { mutex_unlock(&core->lock); return -EIO; } diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c index 41c5a353fcae..11990a95d346 100644 --- a/drivers/media/platform/qcom/venus/vdec.c +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -1231,7 +1231,7 @@ static void vdec_session_release(struct venus_inst *inst) ret = hfi_session_deinit(inst); abort = (ret && ret != -EINVAL) ? 1 : 0; - if (inst->session_error || core->sys_error) + if (inst->session_error || test_bit(0, &core->sys_error)) abort = 1; if (abort) |