diff options
| author | Renjiang Han <quic_renjiang@quicinc.com> | 2025-09-18 17:31:08 +0530 |
|---|---|---|
| committer | Hans Verkuil <hverkuil+cisco@kernel.org> | 2025-09-24 12:52:09 +0200 |
| commit | afb100a5ea7a13d7e6937dcd3b36b19dc6cc9328 (patch) | |
| tree | 7eca3aef4fe0229c3fc21870e30926e672a3e322 | |
| parent | 94662f560bfff75b58a7a68cab4bbd276c785da7 (diff) | |
media: venus: pm_helpers: add fallback for the opp-table
Since the device trees for both HFI_VERSION_1XX and HFI_VERSION_3XX
do not include an opp-table and have not configured opp-pmdomain, they
still need to use the frequencies defined in the driver's freq_tbl.
Both core_power_v1 and core_power_v4 functions require core_clks_enable
function during POWER_ON. Therefore, in the core_clks_enable function,
if calling dev_pm_opp_find_freq_ceil to obtain the frequency fails,
it needs to fall back to the freq_tbl to retrieve the frequency.
Fixes: b179234b5e59 ("media: venus: pm_helpers: use opp-table for the frequency")
Cc: stable@vger.kernel.org
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Vikash Garodia <quic_vgarodia@quicinc.com>
Closes: https://lore.kernel.org/linux-media/CA+G9fYu5=3n84VY+vTbCAcfFKOq7Us5vgBZgpypY4MveM=eVwg@mail.gmail.com
Signed-off-by: Renjiang Han <quic_renjiang@quicinc.com>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
| -rw-r--r-- | drivers/media/platform/qcom/venus/pm_helpers.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c index 88618378129a..f0269524ac70 100644 --- a/drivers/media/platform/qcom/venus/pm_helpers.c +++ b/drivers/media/platform/qcom/venus/pm_helpers.c @@ -40,6 +40,8 @@ static int core_clks_get(struct venus_core *core) static int core_clks_enable(struct venus_core *core) { + const struct freq_tbl *freq_tbl = core->res->freq_tbl; + unsigned int freq_tbl_size = core->res->freq_tbl_size; const struct venus_resources *res = core->res; struct device *dev = core->dev; unsigned long freq = 0; @@ -48,8 +50,13 @@ static int core_clks_enable(struct venus_core *core) int ret; opp = dev_pm_opp_find_freq_ceil(dev, &freq); - if (!IS_ERR(opp)) + if (IS_ERR(opp)) { + if (!freq_tbl) + return -ENODEV; + freq = freq_tbl[freq_tbl_size - 1].freq; + } else { dev_pm_opp_put(opp); + } for (i = 0; i < res->clks_num; i++) { if (IS_V6(core) || (IS_V4(core) && is_lite(core))) { |