[Intel-gfx] [PATCH v2 06/17] drm/tegra: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()

Fernando Ramos
2021-09-24T06:52:45Z

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>
Reviewed-by: Sean Paul <sean@poorly.run>
Reported-by: kernel test robot <lkp@intel.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