From: Vinod Polimera <quic_vpolimer@quicinc.com> To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Cc: Vinod Polimera <quic_vpolimer@quicinc.com>, linux-kernel@vger.kernel.org, robdclark@gmail.com, dmitry.baryshkov@linaro.org, dianders@chromium.org, quic_kalyant@quicinc.com Subject: [PATCH v6 1/5] drm/msm/disp/dpu1: set mdp clk to the maximum frequency in opp table during probe Date: Mon, 14 Mar 2022 20:16:53 +0530 [thread overview] Message-ID: <1647269217-14064-2-git-send-email-quic_vpolimer@quicinc.com> (raw) In-Reply-To: <1647269217-14064-1-git-send-email-quic_vpolimer@quicinc.com> use max clock during probe/bind sequence from the opp table. The clock will be scaled down when framework sends an update. Fixes: 25fdd5933("drm/msm: Add SDM845 DPU support") Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com> --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index e29796c..9c346ce 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -1202,7 +1202,9 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) struct platform_device *pdev = to_platform_device(dev); struct drm_device *ddev = priv->dev; struct dpu_kms *dpu_kms; + struct dev_pm_opp *opp; int ret = 0; + unsigned long max_freq = ULONG_MAX; dpu_kms = devm_kzalloc(&pdev->dev, sizeof(*dpu_kms), GFP_KERNEL); if (!dpu_kms) @@ -1225,6 +1227,12 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) } dpu_kms->num_clocks = ret; + opp = dev_pm_opp_find_freq_floor(dev, &max_freq); + if (!IS_ERR(opp)) + dev_pm_opp_put(opp); + + dev_pm_opp_set_rate(dev, max_freq); + platform_set_drvdata(pdev, dpu_kms); ret = msm_kms_init(&dpu_kms->base, &kms_funcs); -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Vinod Polimera <quic_vpolimer@quicinc.com> To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Cc: quic_kalyant@quicinc.com, dianders@chromium.org, linux-kernel@vger.kernel.org, dmitry.baryshkov@linaro.org, Vinod Polimera <quic_vpolimer@quicinc.com> Subject: [PATCH v6 1/5] drm/msm/disp/dpu1: set mdp clk to the maximum frequency in opp table during probe Date: Mon, 14 Mar 2022 20:16:53 +0530 [thread overview] Message-ID: <1647269217-14064-2-git-send-email-quic_vpolimer@quicinc.com> (raw) In-Reply-To: <1647269217-14064-1-git-send-email-quic_vpolimer@quicinc.com> use max clock during probe/bind sequence from the opp table. The clock will be scaled down when framework sends an update. Fixes: 25fdd5933("drm/msm: Add SDM845 DPU support") Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com> --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index e29796c..9c346ce 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -1202,7 +1202,9 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) struct platform_device *pdev = to_platform_device(dev); struct drm_device *ddev = priv->dev; struct dpu_kms *dpu_kms; + struct dev_pm_opp *opp; int ret = 0; + unsigned long max_freq = ULONG_MAX; dpu_kms = devm_kzalloc(&pdev->dev, sizeof(*dpu_kms), GFP_KERNEL); if (!dpu_kms) @@ -1225,6 +1227,12 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) } dpu_kms->num_clocks = ret; + opp = dev_pm_opp_find_freq_floor(dev, &max_freq); + if (!IS_ERR(opp)) + dev_pm_opp_put(opp); + + dev_pm_opp_set_rate(dev, max_freq); + platform_set_drvdata(pdev, dpu_kms); ret = msm_kms_init(&dpu_kms->base, &kms_funcs); -- 2.7.4
next prev parent reply other threads:[~2022-03-14 14:47 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-03-14 14:46 [PATCH v6 0/5] Update mdp clk to max supported value to support higher refresh rates Vinod Polimera 2022-03-14 14:46 ` Vinod Polimera 2022-03-14 14:46 ` Vinod Polimera [this message] 2022-03-14 14:46 ` [PATCH v6 1/5] drm/msm/disp/dpu1: set mdp clk to the maximum frequency in opp table during probe Vinod Polimera 2022-03-14 19:25 ` Dmitry Baryshkov 2022-03-14 19:25 ` Dmitry Baryshkov 2022-03-17 21:11 ` Stephen Boyd 2022-03-17 21:11 ` Stephen Boyd 2022-03-21 16:21 ` Vinod Polimera 2022-03-21 16:21 ` Vinod Polimera 2022-03-21 17:39 ` Dmitry Baryshkov 2022-03-21 17:39 ` Dmitry Baryshkov 2022-03-18 0:11 ` Doug Anderson 2022-03-18 0:11 ` Doug Anderson 2022-03-14 14:46 ` [PATCH v6 2/5] arm64: dts: qcom: sm7280: remove assigned-clock-rate property for mdp clk Vinod Polimera 2022-03-14 14:46 ` Vinod Polimera 2022-03-18 0:12 ` Doug Anderson 2022-03-18 0:12 ` Doug Anderson 2022-03-14 14:46 ` [PATCH v6 3/5] arm64: dts: qcom: sm7180: " Vinod Polimera 2022-03-14 14:46 ` Vinod Polimera 2022-03-18 0:12 ` Doug Anderson 2022-03-18 0:12 ` Doug Anderson 2022-03-14 14:46 ` [PATCH v6 4/5] arm64: dts: qcom: sdm845: " Vinod Polimera 2022-03-14 14:46 ` Vinod Polimera 2022-03-18 0:12 ` Doug Anderson 2022-03-18 0:12 ` Doug Anderson 2022-03-14 14:46 ` [PATCH v6 5/5] arm64: dts: qcom: sm8250: " Vinod Polimera 2022-03-14 14:46 ` Vinod Polimera 2022-03-18 0:12 ` Doug Anderson 2022-03-18 0:12 ` Doug Anderson
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