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From: Fernando Ramos <greenfoo@u92.eu>
To: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org, sean@poorly.run,
	linux-doc@vger.kernel.org, amd-gfx@lists.freedesktop.org,
	intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org,
	freedreno@lists.freedesktop.org, nouveau@lists.freedesktop.org,
	linux-renesas-soc@vger.kernel.org, linux-tegra@vger.kernel.org
Subject: [Nouveau] [PATCH 12/15] drm/i915: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()
Date: Thu, 16 Sep 2021 23:15:49 +0200	[thread overview]
Message-ID: <20210916211552.33490-13-greenfoo@u92.eu> (raw)
In-Reply-To: <20210916211552.33490-1-greenfoo@u92.eu>

As requested in Documentation/gpu/todo.rst, replace driver calls to
drm_modeset_lock_all() with DRM_MODESET_LOCK_ALL_BEGIN() and
DRM_MODESET_LOCK_ALL_END()

Signed-off-by: Fernando Ramos <greenfoo@u92.eu>
---
 drivers/gpu/drm/i915/display/intel_audio.c    | 12 +++--
 drivers/gpu/drm/i915/display/intel_display.c  |  5 ++-
 .../drm/i915/display/intel_display_debugfs.c  | 35 ++++++++++-----
 drivers/gpu/drm/i915/display/intel_overlay.c  | 45 +++++++++----------
 drivers/gpu/drm/i915/display/intel_pipe_crc.c |  5 ++-
 drivers/gpu/drm/i915/i915_drv.c               | 12 +++--
 6 files changed, 67 insertions(+), 47 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c
index 532237588511..ab6a5a734b95 100644
--- a/drivers/gpu/drm/i915/display/intel_audio.c
+++ b/drivers/gpu/drm/i915/display/intel_audio.c
@@ -1214,7 +1214,9 @@ static int i915_audio_component_bind(struct device *i915_kdev,
 {
 	struct i915_audio_component *acomp = data;
 	struct drm_i915_private *dev_priv = kdev_to_i915(i915_kdev);
+	struct drm_modeset_acquire_ctx ctx;
 	int i;
+	int ret;
 
 	if (drm_WARN_ON(&dev_priv->drm, acomp->base.ops || acomp->base.dev))
 		return -EEXIST;
@@ -1224,14 +1226,14 @@ static int i915_audio_component_bind(struct device *i915_kdev,
 					 DL_FLAG_STATELESS)))
 		return -ENOMEM;
 
-	drm_modeset_lock_all(&dev_priv->drm);
+	DRM_MODESET_LOCK_ALL_BEGIN((&dev_priv->drm), ctx, 0, ret);
 	acomp->base.ops = &i915_audio_component_ops;
 	acomp->base.dev = i915_kdev;
 	BUILD_BUG_ON(MAX_PORTS != I915_MAX_PORTS);
 	for (i = 0; i < ARRAY_SIZE(acomp->aud_sample_rate); i++)
 		acomp->aud_sample_rate[i] = 0;
 	dev_priv->audio_component = acomp;
-	drm_modeset_unlock_all(&dev_priv->drm);
+	DRM_MODESET_LOCK_ALL_END((&dev_priv->drm), ctx, ret);
 
 	return 0;
 }
@@ -1241,12 +1243,14 @@ static void i915_audio_component_unbind(struct device *i915_kdev,
 {
 	struct i915_audio_component *acomp = data;
 	struct drm_i915_private *dev_priv = kdev_to_i915(i915_kdev);
+	struct drm_modeset_acquire_ctx ctx;
+	int ret;
 
-	drm_modeset_lock_all(&dev_priv->drm);
+	DRM_MODESET_LOCK_ALL_BEGIN((&dev_priv->drm), ctx, 0, ret);
 	acomp->base.ops = NULL;
 	acomp->base.dev = NULL;
 	dev_priv->audio_component = NULL;
-	drm_modeset_unlock_all(&dev_priv->drm);
+	DRM_MODESET_LOCK_ALL_END((&dev_priv->drm), ctx, ret);
 
 	device_link_remove(hda_kdev, i915_kdev);
 
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 997a16e85c85..dc2e4d89e5aa 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -12511,6 +12511,7 @@ int intel_modeset_init_noirq(struct drm_i915_private *i915)
 int intel_modeset_init_nogem(struct drm_i915_private *i915)
 {
 	struct drm_device *dev = &i915->drm;
+	struct drm_modeset_acquire_ctx ctx;
 	enum pipe pipe;
 	struct intel_crtc *crtc;
 	int ret;
@@ -12562,9 +12563,9 @@ int intel_modeset_init_nogem(struct drm_i915_private *i915)
 	intel_vga_disable(i915);
 	intel_setup_outputs(i915);
 
-	drm_modeset_lock_all(dev);
+	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
 	intel_modeset_setup_hw_state(dev, dev->mode_config.acquire_ctx);
-	drm_modeset_unlock_all(dev);
+	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
 
 	for_each_intel_crtc(dev, crtc) {
 		struct intel_initial_plane_config plane_config = {};
diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 8fdacb252bb1..d73af228862e 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -1057,11 +1057,13 @@ static int i915_display_info(struct seq_file *m, void *unused)
 	struct intel_crtc *crtc;
 	struct drm_connector *connector;
 	struct drm_connector_list_iter conn_iter;
+	struct drm_modeset_acquire_ctx ctx;
 	intel_wakeref_t wakeref;
+	int ret;
 
 	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
 
-	drm_modeset_lock_all(dev);
+	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
 
 	seq_printf(m, "CRTC info\n");
 	seq_printf(m, "---------\n");
@@ -1076,7 +1078,7 @@ static int i915_display_info(struct seq_file *m, void *unused)
 		intel_connector_info(m, connector);
 	drm_connector_list_iter_end(&conn_iter);
 
-	drm_modeset_unlock_all(dev);
+	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
 
 	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
 
@@ -1087,9 +1089,11 @@ static int i915_shared_dplls_info(struct seq_file *m, void *unused)
 {
 	struct drm_i915_private *dev_priv = node_to_i915(m->private);
 	struct drm_device *dev = &dev_priv->drm;
+	struct drm_modeset_acquire_ctx ctx;
 	int i;
+	int ret;
 
-	drm_modeset_lock_all(dev);
+	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
 
 	seq_printf(m, "PLL refclks: non-SSC: %d kHz, SSC: %d kHz\n",
 		   dev_priv->dpll.ref_clks.nssc,
@@ -1132,7 +1136,7 @@ static int i915_shared_dplls_info(struct seq_file *m, void *unused)
 		seq_printf(m, " mg_pll_tdc_coldst_bias: 0x%08x\n",
 			   pll->state.hw_state.mg_pll_tdc_coldst_bias);
 	}
-	drm_modeset_unlock_all(dev);
+	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
 
 	return 0;
 }
@@ -1193,13 +1197,15 @@ static int i915_ddb_info(struct seq_file *m, void *unused)
 {
 	struct drm_i915_private *dev_priv = node_to_i915(m->private);
 	struct drm_device *dev = &dev_priv->drm;
+	struct drm_modeset_acquire_ctx ctx;
 	struct skl_ddb_entry *entry;
 	struct intel_crtc *crtc;
+	int ret;
 
 	if (DISPLAY_VER(dev_priv) < 9)
 		return -ENODEV;
 
-	drm_modeset_lock_all(dev);
+	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
 
 	seq_printf(m, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size");
 
@@ -1223,7 +1229,7 @@ static int i915_ddb_info(struct seq_file *m, void *unused)
 			   entry->end, skl_ddb_entry_size(entry));
 	}
 
-	drm_modeset_unlock_all(dev);
+	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
 
 	return 0;
 }
@@ -1303,10 +1309,12 @@ static int i915_drrs_status(struct seq_file *m, void *unused)
 {
 	struct drm_i915_private *dev_priv = node_to_i915(m->private);
 	struct drm_device *dev = &dev_priv->drm;
+	struct drm_modeset_acquire_ctx ctx;
 	struct intel_crtc *crtc;
 	int active_crtc_cnt = 0;
+	int ret;
 
-	drm_modeset_lock_all(dev);
+	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
 	for_each_intel_crtc(dev, crtc) {
 		if (crtc->base.state->active) {
 			active_crtc_cnt++;
@@ -1315,7 +1323,7 @@ static int i915_drrs_status(struct seq_file *m, void *unused)
 			drrs_status_per_crtc(m, dev, crtc);
 		}
 	}
-	drm_modeset_unlock_all(dev);
+	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
 
 	if (!active_crtc_cnt)
 		seq_puts(m, "No active crtc found\n");
@@ -1607,8 +1615,10 @@ static void wm_latency_show(struct seq_file *m, const u16 wm[8])
 {
 	struct drm_i915_private *dev_priv = m->private;
 	struct drm_device *dev = &dev_priv->drm;
+	struct drm_modeset_acquire_ctx ctx;
 	int level;
 	int num_levels;
+	int ret;
 
 	if (IS_CHERRYVIEW(dev_priv))
 		num_levels = 3;
@@ -1619,7 +1629,7 @@ static void wm_latency_show(struct seq_file *m, const u16 wm[8])
 	else
 		num_levels = ilk_wm_max_level(dev_priv) + 1;
 
-	drm_modeset_lock_all(dev);
+	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
 
 	for (level = 0; level < num_levels; level++) {
 		unsigned int latency = wm[level];
@@ -1640,7 +1650,7 @@ static void wm_latency_show(struct seq_file *m, const u16 wm[8])
 			   level, wm[level], latency / 10, latency % 10);
 	}
 
-	drm_modeset_unlock_all(dev);
+	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
 }
 
 static int pri_wm_latency_show(struct seq_file *m, void *data)
@@ -1724,6 +1734,7 @@ static ssize_t wm_latency_write(struct file *file, const char __user *ubuf,
 	struct seq_file *m = file->private_data;
 	struct drm_i915_private *dev_priv = m->private;
 	struct drm_device *dev = &dev_priv->drm;
+	struct drm_modeset_acquire_ctx ctx;
 	u16 new[8] = { 0 };
 	int num_levels;
 	int level;
@@ -1753,12 +1764,12 @@ static ssize_t wm_latency_write(struct file *file, const char __user *ubuf,
 	if (ret != num_levels)
 		return -EINVAL;
 
-	drm_modeset_lock_all(dev);
+	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
 
 	for (level = 0; level < num_levels; level++)
 		wm[level] = new[level];
 
-	drm_modeset_unlock_all(dev);
+	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
 
 	return len;
 }
diff --git a/drivers/gpu/drm/i915/display/intel_overlay.c b/drivers/gpu/drm/i915/display/intel_overlay.c
index 7e3f5c6ca484..79c6940807a7 100644
--- a/drivers/gpu/drm/i915/display/intel_overlay.c
+++ b/drivers/gpu/drm/i915/display/intel_overlay.c
@@ -1104,6 +1104,7 @@ int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
 	struct drm_crtc *drmmode_crtc;
 	struct intel_crtc *crtc;
 	struct drm_i915_gem_object *new_bo;
+	struct drm_modeset_acquire_ctx ctx;
 	int ret;
 
 	overlay = dev_priv->overlay;
@@ -1112,24 +1113,24 @@ int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
 		return -ENODEV;
 	}
 
-	if (!(params->flags & I915_OVERLAY_ENABLE)) {
-		drm_modeset_lock_all(dev);
-		ret = intel_overlay_switch_off(overlay);
-		drm_modeset_unlock_all(dev);
+	if (params->flags & I915_OVERLAY_ENABLE) {
 
-		return ret;
-	}
+		drmmode_crtc = drm_crtc_find(dev, file_priv, params->crtc_id);
+		if (!drmmode_crtc)
+			return -ENOENT;
+		crtc = to_intel_crtc(drmmode_crtc);
 
-	drmmode_crtc = drm_crtc_find(dev, file_priv, params->crtc_id);
-	if (!drmmode_crtc)
-		return -ENOENT;
-	crtc = to_intel_crtc(drmmode_crtc);
+		new_bo = i915_gem_object_lookup(file_priv, params->bo_handle);
+		if (!new_bo)
+			return -ENOENT;
+	}
 
-	new_bo = i915_gem_object_lookup(file_priv, params->bo_handle);
-	if (!new_bo)
-		return -ENOENT;
+	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
 
-	drm_modeset_lock_all(dev);
+	if (!(params->flags & I915_OVERLAY_ENABLE)) {
+		ret = intel_overlay_switch_off(overlay);
+		goto out_unlock;
+	}
 
 	if (i915_gem_object_is_tiled(new_bo)) {
 		drm_dbg_kms(&dev_priv->drm,
@@ -1194,14 +1195,11 @@ int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
 	if (ret != 0)
 		goto out_unlock;
 
-	drm_modeset_unlock_all(dev);
-	i915_gem_object_put(new_bo);
-
-	return 0;
-
 out_unlock:
-	drm_modeset_unlock_all(dev);
-	i915_gem_object_put(new_bo);
+	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
+
+	if (params->flags & I915_OVERLAY_ENABLE)
+		i915_gem_object_put(new_bo);
 
 	return ret;
 }
@@ -1263,6 +1261,7 @@ int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data,
 {
 	struct drm_intel_overlay_attrs *attrs = data;
 	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct drm_modeset_acquire_ctx ctx;
 	struct intel_overlay *overlay;
 	int ret;
 
@@ -1272,7 +1271,7 @@ int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data,
 		return -ENODEV;
 	}
 
-	drm_modeset_lock_all(dev);
+	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
 
 	ret = -EINVAL;
 	if (!(attrs->flags & I915_OVERLAY_UPDATE_ATTRS)) {
@@ -1329,7 +1328,7 @@ int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data,
 
 	ret = 0;
 out_unlock:
-	drm_modeset_unlock_all(dev);
+	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/i915/display/intel_pipe_crc.c b/drivers/gpu/drm/i915/display/intel_pipe_crc.c
index 8ac263f471be..e50e514e4897 100644
--- a/drivers/gpu/drm/i915/display/intel_pipe_crc.c
+++ b/drivers/gpu/drm/i915/display/intel_pipe_crc.c
@@ -76,6 +76,7 @@ static int i9xx_pipe_crc_auto_source(struct drm_i915_private *dev_priv,
 				     enum intel_pipe_crc_source *source)
 {
 	struct drm_device *dev = &dev_priv->drm;
+	struct drm_modeset_acquire_ctx ctx;
 	struct intel_encoder *encoder;
 	struct intel_crtc *crtc;
 	struct intel_digital_port *dig_port;
@@ -83,7 +84,7 @@ static int i9xx_pipe_crc_auto_source(struct drm_i915_private *dev_priv,
 
 	*source = INTEL_PIPE_CRC_SOURCE_PIPE;
 
-	drm_modeset_lock_all(dev);
+	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
 	for_each_intel_encoder(dev, encoder) {
 		if (!encoder->base.crtc)
 			continue;
@@ -120,7 +121,7 @@ static int i9xx_pipe_crc_auto_source(struct drm_i915_private *dev_priv,
 			break;
 		}
 	}
-	drm_modeset_unlock_all(dev);
+	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 59fb4c710c8c..7a30e2ff2fed 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1009,31 +1009,35 @@ static void i915_driver_postclose(struct drm_device *dev, struct drm_file *file)
 static void intel_suspend_encoders(struct drm_i915_private *dev_priv)
 {
 	struct drm_device *dev = &dev_priv->drm;
+	struct drm_modeset_acquire_ctx ctx;
 	struct intel_encoder *encoder;
+	int ret;
 
 	if (!HAS_DISPLAY(dev_priv))
 		return;
 
-	drm_modeset_lock_all(dev);
+	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
 	for_each_intel_encoder(dev, encoder)
 		if (encoder->suspend)
 			encoder->suspend(encoder);
-	drm_modeset_unlock_all(dev);
+	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
 }
 
 static void intel_shutdown_encoders(struct drm_i915_private *dev_priv)
 {
 	struct drm_device *dev = &dev_priv->drm;
+	struct drm_modeset_acquire_ctx ctx;
 	struct intel_encoder *encoder;
+	int ret;
 
 	if (!HAS_DISPLAY(dev_priv))
 		return;
 
-	drm_modeset_lock_all(dev);
+	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
 	for_each_intel_encoder(dev, encoder)
 		if (encoder->shutdown)
 			encoder->shutdown(encoder);
-	drm_modeset_unlock_all(dev);
+	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
 }
 
 void i915_driver_shutdown(struct drm_i915_private *i915)
-- 
2.33.0


  parent reply	other threads:[~2021-09-18  6:26 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-16 21:15 [Nouveau] [PATCH 00/15] drm: cleanup: Use DRM_MODESET_LOCK_ALL_* helpers where possible Fernando Ramos
2021-09-16 21:15 ` [Nouveau] [PATCH 01/15] dmr: cleanup: drm_modeset_lock_all_ctx() --> DRM_MODESET_LOCK_ALL_BEGIN() Fernando Ramos
2021-09-17 15:28   ` Sean Paul
2021-09-17 22:07     ` Fernando Ramos
2021-09-16 21:15 ` [Nouveau] [PATCH 02/15] dmr/i915: " Fernando Ramos
2021-09-17 15:31   ` Sean Paul
2021-09-16 21:15 ` [Nouveau] [PATCH 03/15] dmr/msm: " Fernando Ramos
2021-09-17 15:29   ` Sean Paul
2021-09-20  1:54   ` kernel test robot
2021-09-20 21:25     ` Fernando Ramos
2021-09-16 21:15 ` [Nouveau] [PATCH 04/15] drm: cleanup: drm_modeset_lock_all() " Fernando Ramos
2021-09-17 15:35   ` Sean Paul
2021-09-16 21:15 ` [Nouveau] [PATCH 05/15] drm/vmwgfx: " Fernando Ramos
2021-09-17 15:37   ` Sean Paul
2021-09-16 21:15 ` [Nouveau] [PATCH 06/15] drm/tegra: " Fernando Ramos
2021-09-17 15:38   ` Sean Paul
2021-09-17 22:34     ` Fernando Ramos
2021-09-16 21:15 ` [Nouveau] [PATCH 07/15] drm/shmobile: " Fernando Ramos
2021-09-17 15:38   ` Sean Paul
2021-09-16 21:15 ` [Nouveau] [PATCH 08/15] drm/radeon: " Fernando Ramos
2021-09-17 15:40   ` Sean Paul
2021-09-17 22:32     ` Fernando Ramos
2021-09-16 21:15 ` [Nouveau] [PATCH 09/15] drm/omapdrm: " Fernando Ramos
2021-09-17 15:40   ` Sean Paul
2021-09-17 15:41   ` Sean Paul
2021-09-17 22:37     ` Fernando Ramos
2021-09-16 21:15 ` [Nouveau] [PATCH 10/15] drm/nouveau: " Fernando Ramos
2021-09-17 15:42   ` Sean Paul
2021-09-16 21:15 ` [Nouveau] [PATCH 11/15] drm/msm: " Fernando Ramos
2021-09-17 15:42   ` Sean Paul
2021-09-17 22:41     ` Fernando Ramos
2021-09-16 21:15 ` Fernando Ramos [this message]
2021-09-17 15:48   ` [Nouveau] [PATCH 12/15] drm/i915: " Sean Paul
2021-09-17 22:57     ` Fernando Ramos
2021-09-16 21:15 ` [Nouveau] [PATCH 13/15] drm/gma500: " Fernando Ramos
2021-09-17 15:49   ` Sean Paul
2021-09-16 21:15 ` [Nouveau] [PATCH 14/15] drm/amd: " Fernando Ramos
2021-09-17 15:55   ` Sean Paul
2021-09-17 23:17     ` Fernando Ramos
2021-09-18  9:42       ` Fernando Ramos
2021-09-16 21:15 ` [Nouveau] [PATCH 15/15] doc: drm: remove TODO entry regarding DRM_MODSET_LOCK_ALL cleanup Fernando Ramos
2021-09-17 15:56   ` Sean Paul
2021-09-17 23:21     ` Fernando Ramos
2021-09-17 15:24 ` [Nouveau] [PATCH 00/15] drm: cleanup: Use DRM_MODESET_LOCK_ALL_* helpers where possible Daniel Vetter
2021-09-17 21:41   ` Fernando Ramos

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