linux-kernel - [PATCH v2 6/8] drm/msm/dpu: Remove num_enc from topology struct in favour of num

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Date:   Thu, 22 Dec 2022 00:19:41 +0100
From:   Marijn Suijten <marijn.suijten@...ainline.org>
To:     phone-devel@...r.kernel.org, Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Vinod Koul <vkoul@...nel.org>
Cc:     ~postmarketos/upstreaming@...ts.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Martin Botka <martin.botka@...ainline.org>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Stephen Boyd <swboyd@...omium.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Jessica Zhang <quic_jesszhan@...cinc.com>,
        Ville Syrjälä 
        <ville.syrjala@...ux.intel.com>,
        Kuogee Hsieh <quic_khsieh@...cinc.com>,
        Jani Nikula <jani.nikula@...el.com>,
        sunliming <sunliming@...inos.cn>,
        Sam Ravnborg <sam@...nborg.org>,
        Haowen Bai <baihaowen@...zu.com>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Loic Poulain <loic.poulain@...aro.org>,
        Vinod Polimera <quic_vpolimer@...cinc.com>,
        Douglas Anderson <dianders@...omium.org>,
        Vladimir Lypak <vladimir.lypak@...il.com>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 6/8] drm/msm/dpu: Remove num_enc from topology struct in favour of num_dsc

Downstream calls this num_enc yet the DSC patches introduced a new
num_dsc struct member, leaving num_enc effectively unused.

Fixes: 7e9cc175b159 ("drm/msm/disp/dpu1: Add support for DSC in topology")
Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 9 ++++-----
 drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c      | 4 ++--
 drivers/gpu/drm/msm/msm_drv.h               | 2 --
 3 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 9c6817b5a194..a158cd502d38 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -579,19 +579,18 @@ static struct msm_display_topology dpu_encoder_get_topology(
 			topology.num_dspp = topology.num_lm;
 	}
 
-	topology.num_enc = 0;
 	topology.num_intf = intf_count;
 
 	if (dpu_enc->dsc) {
-		/* In case of Display Stream Compression (DSC), we would use
-		 * 2 encoders, 2 layer mixers and 1 interface
+		/*
+		 * In case of Display Stream Compression (DSC), we would use
+		 * 2 DSC encoders, 2 layer mixers and 1 interface
 		 * this is power optimal and can drive up to (including) 4k
 		 * screens
 		 */
-		topology.num_enc = 2;
 		topology.num_dsc = 2;
-		topology.num_intf = 1;
 		topology.num_lm = 2;
+		topology.num_intf = 1;
 	}
 
 	return topology;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
index dcbf03d2940a..5e7aa0f3a31c 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
@@ -548,8 +548,8 @@ static int _dpu_rm_populate_requirements(
 {
 	reqs->topology = req_topology;
 
-	DRM_DEBUG_KMS("num_lm: %d num_enc: %d num_intf: %d\n",
-		      reqs->topology.num_lm, reqs->topology.num_enc,
+	DRM_DEBUG_KMS("num_lm: %d num_dsc: %d num_intf: %d\n",
+		      reqs->topology.num_lm, reqs->topology.num_dsc,
 		      reqs->topology.num_intf);
 
 	return 0;
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index d4e0ef608950..74626a271f46 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -82,14 +82,12 @@ enum msm_event_wait {
 /**
  * struct msm_display_topology - defines a display topology pipeline
  * @num_lm:       number of layer mixers used
- * @num_enc:      number of compression encoder blocks used
  * @num_intf:     number of interfaces the panel is mounted on
  * @num_dspp:     number of dspp blocks used
  * @num_dsc:      number of Display Stream Compression (DSC) blocks used
  */
 struct msm_display_topology {
 	u32 num_lm;
-	u32 num_enc;
 	u32 num_intf;
 	u32 num_dspp;
 	u32 num_dsc;
-- 
2.39.0