[PATCH v2 2/2] drm/msm/disp/dpu1: set mdp clk to the maximum frequency in opp table
Vinod Polimera
quic_vpolimer at quicinc.com
Fri Feb 25 15:57:50 UTC 2022
use max clock during resume sequence from the opp table.
The clock will be scaled down when framework sends an update.
Fixes: 62fbdce91("arm64: dts: qcom: sc7280: add display dt nodes")
Signed-off-by: Vinod Polimera <quic_vpolimer at quicinc.com>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index d550f90..3288f52 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -1319,6 +1319,7 @@ static int __maybe_unused dpu_runtime_resume(struct device *dev)
struct drm_device *ddev;
struct dss_module_power *mp = &dpu_kms->mp;
int i;
+ unsigned long max_freq = ULONG_MAX;
ddev = dpu_kms->dev;
@@ -1333,6 +1334,8 @@ static int __maybe_unused dpu_runtime_resume(struct device *dev)
return rc;
}
+ dev_pm_opp_find_freq_floor(dev, &max_freq);
+ dev_pm_opp_set_rate(dev, max_freq);
dpu_vbif_init_memtypes(dpu_kms);
drm_for_each_encoder(encoder, ddev)
--
2.7.4
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