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Fernando Ramos

2021-Sep-16 21:15 UTC

[Nouveau] [PATCH 06/15] 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 at u92.eu>
---
 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

Sean Paul

2021-Sep-17 15:38 UTC

head link

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

On Thu, Sep 16, 2021 at 11:15:43PM +0200, Fernando Ramos
wrote:> 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 at u92.eu>
> ---
>  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;
You can use err here instead. With that fixed,

Reviewed-by: Sean Paul <sean at poorly.run>

>  
> -	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
> 
-- 
Sean Paul, Software Engineer, Google / Chromium OS

Nouveau - Sep 2021 - [PATCH 06/15] drm/tegra: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()

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

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