[PATCH 06/15] drm/tegra: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()

From: Fernando Ramos
Date: Thu Sep 16 2021 - 17:16:39 EST


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@xxxxxx>
---
drivers/gpu/drm/tegra/dsi.c | 6 ++++--
drivers/gpu/drm/tegra/hdmi.c | 5 +++--
drivers/gpu/drm/tegra/sor.c | 10 ++++++----
3 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index f46d377f0c30..77a496f6a2e9 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -202,10 +202,12 @@ 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;
+ int ret;

- drm_modeset_lock_all(drm);
+ DRM_MODESET_LOCK_ALL_BEGIN(drm, ctx, 0, ret);

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, ret);
return err;
}

diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
index e5d2a4026028..669a2ebb55ae 100644
--- a/drivers/gpu/drm/tegra/hdmi.c
+++ b/drivers/gpu/drm/tegra/hdmi.c
@@ -1031,10 +1031,11 @@ 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 +1050,7 @@ 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..323d95eb0cac 100644
--- a/drivers/gpu/drm/tegra/sor.c
+++ b/drivers/gpu/drm/tegra/sor.c
@@ -1490,10 +1490,11 @@ 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 +1523,7 @@ 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 +1653,11 @@ 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 +1672,7 @@ 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