linux-kernel - [PATCH v2 03/11] drm/msm/mdp4: get rid of mdp4

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Message-Id: <20250503-msm-gpu-split-v2-3-1292cba0f5ad@oss.qualcomm.com>
Date: Sat, 03 May 2025 10:17:02 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Rob Clark <robdclark@...il.com>, Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <lumag@...nel.org>, Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 03/11] drm/msm/mdp4: get rid of mdp4_crtc.id

There is no reason to store CRTC id, it's a part of the drm_crtc. Drop
this member and use drm_crtc.name for the warning message.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
---
 drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c | 7 ++-----
 drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c  | 2 +-
 drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.h  | 2 +-
 3 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c
index 5e1e62256c382426f70d21a5312fb40dda68d695..7596b45e234bdcf1b7cf37c4a8d39862f48819a8 100644
--- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c
+++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c
@@ -17,7 +17,6 @@
 struct mdp4_crtc {
 	struct drm_crtc base;
 	char name[8];
-	int id;
 	int ovlp;
 	enum mdp4_dma dma;
 	bool enabled;
@@ -539,7 +538,7 @@ static void mdp4_crtc_wait_for_flush_done(struct drm_crtc *crtc)
 			mdp4_crtc->flushed_mask),
 		msecs_to_jiffies(50));
 	if (ret <= 0)
-		dev_warn(dev->dev, "vblank time out, crtc=%d\n", mdp4_crtc->id);
+		dev_warn(dev->dev, "vblank time out, crtc=%s\n", mdp4_crtc->base.name);
 
 	mdp4_crtc->flushed_mask = 0;
 
@@ -624,7 +623,7 @@ static void mdp4_crtc_flip_cleanup(struct drm_device *dev, void *ptr)
 
 /* initialize crtc */
 struct drm_crtc *mdp4_crtc_init(struct drm_device *dev,
-		struct drm_plane *plane, int id, int ovlp_id,
+		struct drm_plane *plane, int ovlp_id,
 		enum mdp4_dma dma_id)
 {
 	struct drm_crtc *crtc = NULL;
@@ -639,8 +638,6 @@ struct drm_crtc *mdp4_crtc_init(struct drm_device *dev,
 
 	crtc = &mdp4_crtc->base;
 
-	mdp4_crtc->id = id;
-
 	mdp4_crtc->ovlp = ovlp_id;
 	mdp4_crtc->dma = dma_id;
 
diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
index 7e942c1337b3597d557abd3e2e418c3958e5eb3f..00920bd44f6f73099ff2c293473e427caa49b873 100644
--- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
@@ -338,7 +338,7 @@ static int modeset_init(struct mdp4_kms *mdp4_kms)
 			goto fail;
 		}
 
-		crtc  = mdp4_crtc_init(dev, plane, priv->num_crtcs, i,
+		crtc  = mdp4_crtc_init(dev, plane, i,
 				mdp4_crtcs[i]);
 		if (IS_ERR(crtc)) {
 			DRM_DEV_ERROR(dev->dev, "failed to construct crtc for %s\n",
diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.h b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.h
index f9d988076337cb6fb63af8e76be59b2eb34ab327..fb348583dc84de5c57c77fdf246894e9334af514 100644
--- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.h
+++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.h
@@ -185,7 +185,7 @@ void mdp4_crtc_set_config(struct drm_crtc *crtc, uint32_t config);
 void mdp4_crtc_set_intf(struct drm_crtc *crtc, enum mdp4_intf intf, int mixer);
 void mdp4_crtc_wait_for_commit_done(struct drm_crtc *crtc);
 struct drm_crtc *mdp4_crtc_init(struct drm_device *dev,
-		struct drm_plane *plane, int id, int ovlp_id,
+		struct drm_plane *plane, int ovlp_id,
 		enum mdp4_dma dma_id);
 
 long mdp4_dtv_round_pixclk(struct drm_encoder *encoder, unsigned long rate);

-- 
2.39.5