linux-kernel - [PATCH v4 06/20] drm/tegra: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL

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Message-Id: <20211013204846.90026-7-greenfoo@u92.eu>
Date:   Wed, 13 Oct 2021 22:48:32 +0200
From:   Fernando Ramos <greenfoo@....eu>
To:     dri-devel@...ts.freedesktop.org
Cc:     linux-kernel@...r.kernel.org, sean@...rly.run,
        linux-doc@...r.kernel.org, amd-gfx@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        freedreno@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        linux-renesas-soc@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: [PATCH v4 06/20] drm/tegra: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()

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@....eu>
Reviewed-by: Sean Paul <sean@...rly.run>
Reported-by: kernel test robot <lkp@...el.com>
---
 drivers/gpu/drm/tegra/dsi.c  |  6 ++++--
 drivers/gpu/drm/tegra/hdmi.c |  6 ++++--
 drivers/gpu/drm/tegra/sor.c  | 11 +++++++----
 3 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index f46d377f0c30..28050c188c1c 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -23,6 +23,7 @@
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_panel.h>
 #include <drm/drm_simple_kms_helper.h>
+#include <drm/drm_drv.h>
 
 #include "dc.h"
 #include "drm.h"
@@ -202,10 +203,11 @@ static int tegra_dsi_show_regs(struct seq_file *s, void *data)
 	struct tegra_dsi *dsi = node->info_ent->data;
 	struct drm_crtc *crtc = dsi->output.encoder.crtc;
 	struct drm_device *drm = node->minor->dev;
+	struct drm_modeset_acquire_ctx ctx;
 	unsigned int i;
 	int err = 0;
 
-	drm_modeset_lock_all(drm);
+	DRM_MODESET_LOCK_ALL_BEGIN(drm, ctx, 0, err);
 
 	if (!crtc || !crtc->state->active) {
 		err = -EBUSY;
@@ -220,7 +222,7 @@ static int tegra_dsi_show_regs(struct seq_file *s, void *data)
 	}
 
 unlock:
-	drm_modeset_unlock_all(drm);
+	DRM_MODESET_LOCK_ALL_END(drm, ctx, err);
 	return err;
 }
 
diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
index e5d2a4026028..a62de7f92414 100644
--- a/drivers/gpu/drm/tegra/hdmi.c
+++ b/drivers/gpu/drm/tegra/hdmi.c
@@ -22,6 +22,7 @@
 #include <drm/drm_fourcc.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_simple_kms_helper.h>
+#include <drm/drm_drv.h>
 
 #include "hda.h"
 #include "hdmi.h"
@@ -1031,10 +1032,11 @@ static int tegra_hdmi_show_regs(struct seq_file *s, void *data)
 	struct tegra_hdmi *hdmi = node->info_ent->data;
 	struct drm_crtc *crtc = hdmi->output.encoder.crtc;
 	struct drm_device *drm = node->minor->dev;
+	struct drm_modeset_acquire_ctx ctx;
 	unsigned int i;
 	int err = 0;
 
-	drm_modeset_lock_all(drm);
+	DRM_MODESET_LOCK_ALL_BEGIN(drm, ctx, 0, err);
 
 	if (!crtc || !crtc->state->active) {
 		err = -EBUSY;
@@ -1049,7 +1051,7 @@ static int tegra_hdmi_show_regs(struct seq_file *s, void *data)
 	}
 
 unlock:
-	drm_modeset_unlock_all(drm);
+	DRM_MODESET_LOCK_ALL_END(drm, ctx, err);
 	return err;
 }
 
diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c
index 0ea320c1092b..3d1c8b3d1358 100644
--- a/drivers/gpu/drm/tegra/sor.c
+++ b/drivers/gpu/drm/tegra/sor.c
@@ -23,6 +23,7 @@
 #include <drm/drm_panel.h>
 #include <drm/drm_scdc_helper.h>
 #include <drm/drm_simple_kms_helper.h>
+#include <drm/drm_drv.h>
 
 #include "dc.h"
 #include "dp.h"
@@ -1490,10 +1491,11 @@ static int tegra_sor_show_crc(struct seq_file *s, void *data)
 	struct tegra_sor *sor = node->info_ent->data;
 	struct drm_crtc *crtc = sor->output.encoder.crtc;
 	struct drm_device *drm = node->minor->dev;
+	struct drm_modeset_acquire_ctx ctx;
 	int err = 0;
 	u32 value;
 
-	drm_modeset_lock_all(drm);
+	DRM_MODESET_LOCK_ALL_BEGIN(drm, ctx, 0, err);
 
 	if (!crtc || !crtc->state->active) {
 		err = -EBUSY;
@@ -1522,7 +1524,7 @@ static int tegra_sor_show_crc(struct seq_file *s, void *data)
 	seq_printf(s, "%08x\n", value);
 
 unlock:
-	drm_modeset_unlock_all(drm);
+	DRM_MODESET_LOCK_ALL_END(drm, ctx, err);
 	return err;
 }
 
@@ -1652,10 +1654,11 @@ static int tegra_sor_show_regs(struct seq_file *s, void *data)
 	struct tegra_sor *sor = node->info_ent->data;
 	struct drm_crtc *crtc = sor->output.encoder.crtc;
 	struct drm_device *drm = node->minor->dev;
+	struct drm_modeset_acquire_ctx ctx;
 	unsigned int i;
 	int err = 0;
 
-	drm_modeset_lock_all(drm);
+	DRM_MODESET_LOCK_ALL_BEGIN(drm, ctx, 0, err);
 
 	if (!crtc || !crtc->state->active) {
 		err = -EBUSY;
@@ -1670,7 +1673,7 @@ static int tegra_sor_show_regs(struct seq_file *s, void *data)
 	}
 
 unlock:
-	drm_modeset_unlock_all(drm);
+	DRM_MODESET_LOCK_ALL_END(drm, ctx, err);
 	return err;
 }
 
-- 
2.33.0