linux-kernel - [PATCH 2/3] drm/msm/disp/dpu1: add dspps into reservation if there is a ctm request

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Message-Id: <1674814545-9453-3-git-send-email-quic_kalyant@quicinc.com>
Date:   Fri, 27 Jan 2023 02:15:44 -0800
From:   Kalyan Thota <quic_kalyant@...cinc.com>
To:     dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org
Cc:     Kalyan Thota <quic_kalyant@...cinc.com>,
        linux-kernel@...r.kernel.org, robdclark@...omium.org,
        dianders@...omium.org, swboyd@...omium.org,
        quic_vpolimer@...cinc.com, dmitry.baryshkov@...aro.org,
        quic_abhinavk@...cinc.com, marijn.suijten@...ainline.org
Subject: [PATCH 2/3] drm/msm/disp/dpu1: add dspps into reservation if there is a ctm request

Add dspp blocks into the topology for reservation, if there is a ctm
request for that composition.

Signed-off-by: Kalyan Thota <quic_kalyant@...cinc.com>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 9c6817b..8d76cb3 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -545,7 +545,8 @@ bool dpu_encoder_use_dsc_merge(struct drm_encoder *drm_enc)
 static struct msm_display_topology dpu_encoder_get_topology(
 			struct dpu_encoder_virt *dpu_enc,
 			struct dpu_kms *dpu_kms,
-			struct drm_display_mode *mode)
+			struct drm_display_mode *mode,
+			struct drm_crtc_state *crtc_state)
 {
 	struct msm_display_topology topology = {0};
 	int i, intf_count = 0;
@@ -573,11 +574,9 @@ static struct msm_display_topology dpu_encoder_get_topology(
 	else
 		topology.num_lm = (mode->hdisplay > MAX_HDISPLAY_SPLIT) ? 2 : 1;
 
-	if (dpu_enc->disp_info.intf_type == DRM_MODE_ENCODER_DSI) {
-		if (dpu_kms->catalog->dspp &&
-			(dpu_kms->catalog->dspp_count >= topology.num_lm))
-			topology.num_dspp = topology.num_lm;
-	}
+	if (dpu_kms->catalog->dspp && crtc_state->ctm &&
+		(dpu_kms->catalog->dspp_count >= topology.num_lm))
+		topology.num_dspp = topology.num_lm;
 
 	topology.num_enc = 0;
 	topology.num_intf = intf_count;
@@ -643,7 +642,7 @@ static int dpu_encoder_virt_atomic_check(
 		}
 	}
 
-	topology = dpu_encoder_get_topology(dpu_enc, dpu_kms, adj_mode);
+	topology = dpu_encoder_get_topology(dpu_enc, dpu_kms, adj_mode, crtc_state);
 
 	/* Reserve dynamic resources now. */
 	if (!ret) {
-- 
2.7.4