[PATCH v2 18/20] media: venus: pm_helpers: Commonize vdec_get()

From: Konrad Dybcio
Date: Fri Feb 09 2024 - 16:10:21 EST


This function can be very easily commonized between the supported gens.
Do so!

Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
---
drivers/media/platform/qcom/venus/pm_helpers.c | 22 ++--------------------
drivers/media/platform/qcom/venus/pm_helpers.h | 2 +-
drivers/media/platform/qcom/venus/vdec.c | 9 +++++++--
3 files changed, 10 insertions(+), 23 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
index 1cbcffbc29af..cf0794acf5d0 100644
--- a/drivers/media/platform/qcom/venus/pm_helpers.c
+++ b/drivers/media/platform/qcom/venus/pm_helpers.c
@@ -125,7 +125,7 @@ static int core_clks_set_rate(struct venus_core *core, unsigned long freq)
return 0;
}

-static int vcodec_clks_get(struct venus_core *core, struct device *dev, u8 id)
+int vcodec_clks_get(struct venus_core *core, struct device *dev, u8 id)
{
char buf[13] = { 0 }; /* vcodecX_core\0 */

@@ -158,6 +158,7 @@ static int vcodec_clks_get(struct venus_core *core, struct device *dev, u8 id)

return 0;
}
+EXPORT_SYMBOL_GPL(vcodec_clks_get);

static int vcodec_clks_enable(struct venus_core *core, u8 id)
{
@@ -345,13 +346,6 @@ vcodec_control_v3(struct venus_core *core, u32 session_type, bool enable)
writel(1, ctrl);
}

-static int vdec_get_v3(struct device *dev)
-{
- struct venus_core *core = dev_get_drvdata(dev);
-
- return vcodec_clks_get(core, dev, 0);
-}
-
static int vdec_power_v3(struct device *dev, int on)
{
struct venus_core *core = dev_get_drvdata(dev);
@@ -394,7 +388,6 @@ static int venc_power_v3(struct device *dev, int on)
}

static const struct venus_pm_ops pm_ops_v3 = {
- .vdec_get = vdec_get_v3,
.vdec_power = vdec_power_v3,
.venc_get = venc_get_v3,
.venc_power = venc_power_v3,
@@ -759,16 +752,6 @@ static int coreid_power_v4(struct venus_inst *inst, int on)
return ret;
}

-static int vdec_get_v4(struct device *dev)
-{
- struct venus_core *core = dev_get_drvdata(dev);
-
- if (!legacy_binding)
- return 0;
-
- return vcodec_clks_get(core, dev, 0);
-}
-
static void vdec_put_v4(struct device *dev)
{
struct venus_core *core = dev_get_drvdata(dev);
@@ -1107,7 +1090,6 @@ static int load_scale_v4(struct venus_inst *inst)
}

static const struct venus_pm_ops pm_ops_v4 = {
- .vdec_get = vdec_get_v4,
.vdec_put = vdec_put_v4,
.vdec_power = vdec_power_v4,
.venc_get = venc_get_v4,
diff --git a/drivers/media/platform/qcom/venus/pm_helpers.h b/drivers/media/platform/qcom/venus/pm_helpers.h
index 7a55a55029f3..4afc57dac865 100644
--- a/drivers/media/platform/qcom/venus/pm_helpers.h
+++ b/drivers/media/platform/qcom/venus/pm_helpers.h
@@ -10,7 +10,6 @@ struct venus_core;
#define POWER_OFF 0

struct venus_pm_ops {
- int (*vdec_get)(struct device *dev);
void (*vdec_put)(struct device *dev);
int (*vdec_power)(struct device *dev, int on);

@@ -27,6 +26,7 @@ const struct venus_pm_ops *venus_pm_get(enum hfi_version version);
int venus_core_power(struct venus_core *core, int on);
void vcodec_domains_put(struct venus_core *core);
int venus_get_resources(struct venus_core *core);
+int vcodec_clks_get(struct venus_core *core, struct device *dev, u8 id);

static inline int venus_pm_load_scale(struct venus_inst *inst)
{
diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
index 29130a9441e7..d127311100cd 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -1788,8 +1788,13 @@ static int vdec_probe(struct platform_device *pdev)

platform_set_drvdata(pdev, core);

- if (core->pm_ops->vdec_get) {
- ret = core->pm_ops->vdec_get(dev);
+ /*
+ * If the vcodec core clock is missing by now, it either doesn't exist
+ * (8916) or deprecated bindings with pre-assigned core functions and
+ * resources under the decoder node are in use.
+ */
+ if (!core->vcodec_core_clks[0]) {
+ ret = vcodec_clks_get(core, dev, 0);
if (ret)
return ret;
}