mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-04 02:34:10 -04:00
Code Issues Packages Projects Releases Wiki Activity

media: venus: Convert to dev_pm_domain_attach|detach_list() for vcodec

Browse Source 
Let's avoid some of the boilerplate code to manage the vcodec PM domains,
by converting into using dev_pm_domain_attach|detach_list().

Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Stanimir Varbanov <stanimir.k.varbanov@gmail.com>
Cc: Vikash Garodia <quic_vgarodia@quicinc.com>
Cc: Bjorn Andersson <andersson@kernel.org>
Cc: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: <linux-media@vger.kernel.org>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20240130123951.236243-6-ulf.hansson@linaro.org
This commit is contained in:
Ulf Hansson
2024-01-30 13:39:51 +01:00
parent db34c47d56
commit 693c301a3a
3 changed files with 26 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/media/platform/qcom/venus/core.c
View File

@@ -16,6 +16,7 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
#include <media/videobuf2-v4l2.h>
#include <media/v4l2-mem2mem.h>
@@ -114,7 +115,8 @@ static void venus_sys_error_handler(struct work_struct *work)
pm_runtime_put_sync(core->dev);
for (i = 0; i < max_attempts; i++) {
if (!core->pmdomains[0] || !pm_runtime_active(core->pmdomains[0]))
if (!core->pmdomains ||
!pm_runtime_active(core->pmdomains->pd_devs[0]))
break;
usleep_range(1000, 1500);
}
@@ -705,7 +707,7 @@ static const struct venus_resources sdm845_res_v2 = {
.vcodec0_clks = { "vcodec0_core", "vcodec0_bus" },
.vcodec1_clks = { "vcodec1_core", "vcodec1_bus" },
.vcodec_clks_num = 2,
.vcodec_pmdomains = { "venus", "vcodec0", "vcodec1" },
.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0", "vcodec1" },
.vcodec_pmdomains_num = 3,
.opp_pmdomain = (const char *[]) { "cx", NULL },
.vcodec_num = 2,
@@ -754,7 +756,7 @@ static const struct venus_resources sc7180_res = {
.clks_num = 3,
.vcodec0_clks = { "vcodec0_core", "vcodec0_bus" },
.vcodec_clks_num = 2,
.vcodec_pmdomains = { "venus", "vcodec0" },
.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
.vcodec_pmdomains_num = 2,
.opp_pmdomain = (const char *[]) { "cx", NULL },
.vcodec_num = 1,
@@ -811,7 +813,7 @@ static const struct venus_resources sm8250_res = {
.resets_num = 2,
.vcodec0_clks = { "vcodec0_core" },
.vcodec_clks_num = 1,
.vcodec_pmdomains = { "venus", "vcodec0" },
.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
.vcodec_pmdomains_num = 2,
.opp_pmdomain = (const char *[]) { "mx", NULL },
.vcodec_num = 1,
@@ -870,7 +872,7 @@ static const struct venus_resources sc7280_res = {
.clks_num = 3,
.vcodec0_clks = {"vcodec_core", "vcodec_bus"},
.vcodec_clks_num = 2,
.vcodec_pmdomains = { "venus", "vcodec0" },
.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
.vcodec_pmdomains_num = 2,
.opp_pmdomain = (const char *[]) { "cx", NULL },
.vcodec_num = 1,

7
drivers/media/platform/qcom/venus/core.h
View File

@@ -25,7 +25,6 @@
#define VIDC_CLKS_NUM_MAX 4
#define VIDC_VCODEC_CLKS_NUM_MAX 2
#define VIDC_PMDOMAINS_NUM_MAX 3
#define VIDC_RESETS_NUM_MAX 2
extern int venus_fw_debug;
@@ -72,7 +71,7 @@ struct venus_resources {
const char * const vcodec0_clks[VIDC_VCODEC_CLKS_NUM_MAX];
const char * const vcodec1_clks[VIDC_VCODEC_CLKS_NUM_MAX];
unsigned int vcodec_clks_num;
const char * const vcodec_pmdomains[VIDC_PMDOMAINS_NUM_MAX];
const char **vcodec_pmdomains;
unsigned int vcodec_pmdomains_num;
const char **opp_pmdomain;
unsigned int vcodec_num;
@@ -134,7 +133,7 @@ struct venus_format {
* @video_path: an interconnect handle to video to/from memory path
* @cpucfg_path: an interconnect handle to cpu configuration path
* @has_opp_table: does OPP table exist
* @pmdomains: an array of pmdomains struct device pointers
* @pmdomains: a pointer to a list of pmdomains
* @opp_dl_venus: an device-link for device OPP
* @opp_pmdomain: an OPP power-domain
* @resets: an array of reset signals
@@ -187,7 +186,7 @@ struct venus_core {
struct icc_path *video_path;
struct icc_path *cpucfg_path;
bool has_opp_table;
struct device *pmdomains[VIDC_PMDOMAINS_NUM_MAX];
struct dev_pm_domain_list *pmdomains;
struct device_link *opp_dl_venus;
struct device *opp_pmdomain;
struct reset_control *resets[VIDC_RESETS_NUM_MAX];

48
drivers/media/platform/qcom/venus/pm_helpers.c
View File

@@ -455,7 +455,7 @@ static int poweroff_coreid(struct venus_core *core, unsigned int coreid_mask)
if (ret)
return ret;
ret = pm_runtime_put_sync(core->pmdomains[1]);
ret = pm_runtime_put_sync(core->pmdomains->pd_devs[1]);
if (ret < 0)
return ret;
}
@@ -471,7 +471,7 @@ static int poweroff_coreid(struct venus_core *core, unsigned int coreid_mask)
if (ret)
return ret;
ret = pm_runtime_put_sync(core->pmdomains[2]);
ret = pm_runtime_put_sync(core->pmdomains->pd_devs[2]);
if (ret < 0)
return ret;
}
@@ -484,7 +484,7 @@ static int poweron_coreid(struct venus_core *core, unsigned int coreid_mask)
int ret;
if (coreid_mask & VIDC_CORE_ID_1) {
ret = pm_runtime_get_sync(core->pmdomains[1]);
ret = pm_runtime_get_sync(core->pmdomains->pd_devs[1]);
if (ret < 0)
return ret;
@@ -502,7 +502,7 @@ static int poweron_coreid(struct venus_core *core, unsigned int coreid_mask)
}
if (coreid_mask & VIDC_CORE_ID_2) {
ret = pm_runtime_get_sync(core->pmdomains[2]);
ret = pm_runtime_get_sync(core->pmdomains->pd_devs[2]);
if (ret < 0)
return ret;
@@ -860,19 +860,18 @@ static int vcodec_domains_get(struct venus_core *core)
struct device **opp_virt_dev;
struct device *dev = core->dev;
const struct venus_resources *res = core->res;
struct device *pd;
unsigned int i;
struct dev_pm_domain_attach_data vcodec_data = {
.pd_names = res->vcodec_pmdomains,
.num_pd_names = res->vcodec_pmdomains_num,
.pd_flags = PD_FLAG_NO_DEV_LINK,
};
if (!res->vcodec_pmdomains_num)
goto skip_pmdomains;
for (i = 0; i < res->vcodec_pmdomains_num; i++) {
pd = dev_pm_domain_attach_by_name(dev,
res->vcodec_pmdomains[i]);
if (IS_ERR_OR_NULL(pd))
return pd ? PTR_ERR(pd) : -ENODATA;
core->pmdomains[i] = pd;
}
ret = dev_pm_domain_attach_list(dev, &vcodec_data, &core->pmdomains);
if (ret < 0)
return ret;
skip_pmdomains:
if (!core->res->opp_pmdomain)
@@ -896,30 +895,14 @@ static int vcodec_domains_get(struct venus_core *core)
return 0;
opp_attach_err:
for (i = 0; i < res->vcodec_pmdomains_num; i++) {
if (IS_ERR_OR_NULL(core->pmdomains[i]))
continue;
dev_pm_domain_detach(core->pmdomains[i], true);
}
dev_pm_domain_detach_list(core->pmdomains);
return ret;
}
static void vcodec_domains_put(struct venus_core *core)
{
const struct venus_resources *res = core->res;
unsigned int i;
dev_pm_domain_detach_list(core->pmdomains);
if (!res->vcodec_pmdomains_num)
goto skip_pmdomains;
for (i = 0; i < res->vcodec_pmdomains_num; i++) {
if (IS_ERR_OR_NULL(core->pmdomains[i]))
continue;
dev_pm_domain_detach(core->pmdomains[i], true);
}
skip_pmdomains:
if (!core->has_opp_table)
return;
@@ -1035,7 +1018,8 @@ static void core_put_v4(struct venus_core *core)
static int core_power_v4(struct venus_core *core, int on)
{
struct device *dev = core->dev;
struct device *pmctrl = core->pmdomains[0];
struct device *pmctrl = core->pmdomains ?
core->pmdomains->pd_devs[0] : NULL;
int ret = 0;
if (on == POWER_ON) {