diff options
| author |   Dikshita Agarwal <dikshita@codeaurora.org> | 2021-04-02 12:06:40 +0200 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-04-06 15:53:44 +0200 |
| commit | c22b1a29497c3919b86dc2c87292d24b5965e4a5 (patch) | |
| tree | c8bc508939a3ce079ae97b2dcd5be018a2160539 /drivers/media | |
| parent | media: venus: pm: Hook 6xx pm ops into 4xx pm ops (diff) | |
| download | linux-dev-c22b1a29497c3919b86dc2c87292d24b5965e4a5.tar.xz linux-dev-c22b1a29497c3919b86dc2c87292d24b5965e4a5.zip | |
media: venus: core,pm: Vote for min clk freq during venus boot
Vote for min clk frequency for core clks during prepare and enable clocks
at boot sequence. Without this the controller clock runs at very low value
(9.6MHz) which is not sufficient to boot venus.
Signed-off-by: Dikshita Agarwal <dikshita@codeaurora.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/qcom/venus/pm_helpers.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c index a23e490b6139..a91dc24de2a4 100644 --- a/drivers/media/platform/qcom/venus/pm_helpers.c +++ b/drivers/media/platform/qcom/venus/pm_helpers.c @@ -41,10 +41,24 @@ static int core_clks_get(struct venus_core *core) static int core_clks_enable(struct venus_core *core) { const struct venus_resources *res = core->res; + const struct freq_tbl *freq_tbl = core->res->freq_tbl; + unsigned int freq_tbl_size = core->res->freq_tbl_size; + unsigned long freq; unsigned int i; int ret; + if (!freq_tbl) + return -EINVAL; + + freq = freq_tbl[freq_tbl_size - 1].freq; + for (i = 0; i < res->clks_num; i++) { + if (IS_V6(core)) { + ret = clk_set_rate(core->clks[i], freq); + if (ret) + goto err; + } + ret = clk_prepare_enable(core->clks[i]); if (ret) goto err; |