linux-kernel - [PATCH v3 1/4] drm/msm/dpu: Move DPU encoder wide_bus

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Message-ID: <20230802-add-widebus-support-v3-1-2661706be001@quicinc.com>
Date:   Wed, 2 Aug 2023 11:08:48 -0700
From:   Jessica Zhang <quic_jesszhan@...cinc.com>
To:     Rob Clark <robdclark@...il.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>,
        "Daniel Vetter" <daniel@...ll.ch>
CC:     <quic_abhinavk@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>,
        <freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        Jessica Zhang <quic_jesszhan@...cinc.com>
Subject: [PATCH v3 1/4] drm/msm/dpu: Move DPU encoder wide_bus_en setting

Move the setting of dpu_enc.wide_bus_en to
dpu_encoder_virt_atomic_enable() so that it mirrors the setting of
dpu_enc.dsc.

Signed-off-by: Jessica Zhang <quic_jesszhan@...cinc.com>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index d34e684a4178..3dcd37c48aac 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -1194,11 +1194,18 @@ static void dpu_encoder_virt_atomic_enable(struct drm_encoder *drm_enc,
 	struct dpu_encoder_virt *dpu_enc = NULL;
 	int ret = 0;
 	struct drm_display_mode *cur_mode = NULL;
+	struct msm_drm_private *priv = drm_enc->dev->dev_private;
+	struct msm_display_info *disp_info;
 
 	dpu_enc = to_dpu_encoder_virt(drm_enc);
+	disp_info = &dpu_enc->disp_info;
 
 	dpu_enc->dsc = dpu_encoder_get_dsc_config(drm_enc);
 
+	if (disp_info->intf_type == INTF_DP)
+		dpu_enc->wide_bus_en = msm_dp_wide_bus_available(
+				priv->dp[disp_info->h_tile_instance[0]]);
+
 	mutex_lock(&dpu_enc->enc_lock);
 	cur_mode = &dpu_enc->base.crtc->state->adjusted_mode;
 
@@ -2383,10 +2390,6 @@ struct drm_encoder *dpu_encoder_init(struct drm_device *dev,
 	timer_setup(&dpu_enc->frame_done_timer,
 			dpu_encoder_frame_done_timeout, 0);
 
-	if (disp_info->intf_type == INTF_DP)
-		dpu_enc->wide_bus_en = msm_dp_wide_bus_available(
-				priv->dp[disp_info->h_tile_instance[0]]);
-
 	INIT_DELAYED_WORK(&dpu_enc->delayed_off_work,
 			dpu_encoder_off_work);
 	dpu_enc->idle_timeout = IDLE_TIMEOUT;

-- 
2.41.0