@@ -309,6 +309,15 @@ static int venus_probe(struct platform_device *pdev)
if (IS_ERR(core->cpucfg_path))
return PTR_ERR(core->cpucfg_path);
+ core->llcc_path = devm_of_icc_get(dev, "video-llcc");
+ if (IS_ERR(core->llcc_path)) {
+ /* LLCC path is optional */
+ if (PTR_ERR(core->llcc_path) == -ENODATA)
+ core->llcc_path = NULL;
+ else
+ return PTR_ERR(core->llcc_path);
+ }
+
core->irq = platform_get_irq(pdev, 0);
if (core->irq < 0)
return core->irq;
@@ -486,12 +495,18 @@ static __maybe_unused int venus_runtime_suspend(struct device *dev)
if (ret)
goto err_cpucfg_path;
+ ret = icc_set_bw(core->llcc_path, 0, 0);
+ if (ret)
+ goto err_llcc_path;
+
ret = icc_set_bw(core->video_path, 0, 0);
if (ret)
goto err_video_path;
return ret;
+err_llcc_path:
+ icc_set_bw(core->video_path, kbps_to_icc(20000), 0);
err_video_path:
icc_set_bw(core->cpucfg_path, kbps_to_icc(1000), 0);
err_cpucfg_path:
@@ -511,6 +526,10 @@ static __maybe_unused int venus_runtime_resume(struct device *dev)
if (ret)
return ret;
+ ret = icc_set_bw(core->llcc_path, kbps_to_icc(20000), 0);
+ if (ret)
+ return ret;
+
ret = icc_set_bw(core->cpucfg_path, kbps_to_icc(1000), 0);
if (ret)
return ret;
@@ -64,6 +64,7 @@ struct venus_resources {
unsigned int bw_tbl_enc_size;
const struct bw_tbl *bw_tbl_dec;
unsigned int bw_tbl_dec_size;
+ bool has_llcc_path;
const struct reg_val *reg_tbl;
unsigned int reg_tbl_size;
const struct hfi_ubwc_config *ubwc_conf;
@@ -133,6 +134,7 @@ struct venus_format {
* @vcodec1_clks: an array of vcodec1 struct clk pointers
* @video_path: an interconnect handle to video to/from memory path
* @cpucfg_path: an interconnect handle to cpu configuration path
+ * @llcc_path: an interconnect handle to video to/from llcc path
* @has_opp_table: does OPP table exist
* @pmdomains: a pointer to a list of pmdomains
* @opp_dl_venus: an device-link for device OPP
@@ -187,6 +189,7 @@ struct venus_core {
struct clk *vcodec1_clks[VIDC_VCODEC_CLKS_NUM_MAX];
struct icc_path *video_path;
struct icc_path *cpucfg_path;
+ struct icc_path *llcc_path;
bool has_opp_table;
struct dev_pm_domain_list *pmdomains;
struct device_link *opp_dl_venus;
@@ -237,6 +237,9 @@ static int load_scale_bw(struct venus_core *core)
dev_dbg(core->dev, VDBGL "total: avg_bw: %u, peak_bw: %u\n",
total_avg, total_peak);
+ if (core->res->has_llcc_path)
+ icc_set_bw(core->llcc_path, total_avg, total_peak);
+
return icc_set_bw(core->video_path, total_avg, total_peak);
}