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drm/tegra: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_B…
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…EGIN()

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>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210924064324.229457-7-greenfoo@u92.eu
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Fernando Ramos authored and Sean Paul committed Oct 1, 2021
1 parent 6b92e77 commit a2cd994
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Showing 3 changed files with 15 additions and 8 deletions.
6 changes: 4 additions & 2 deletions drivers/gpu/drm/tegra/dsi.c
Original file line number Diff line number Diff line change
Expand Up @@ -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"
Expand Down Expand Up @@ -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;
Expand All @@ -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;
}

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6 changes: 4 additions & 2 deletions drivers/gpu/drm/tegra/hdmi.c
Original file line number Diff line number Diff line change
Expand Up @@ -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"
Expand Down Expand Up @@ -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;
Expand All @@ -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;
}

Expand Down
11 changes: 7 additions & 4 deletions drivers/gpu/drm/tegra/sor.c
Original file line number Diff line number Diff line change
Expand Up @@ -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"
Expand Down Expand Up @@ -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;
Expand Down Expand Up @@ -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;
}

Expand Down Expand Up @@ -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;
Expand All @@ -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;
}

Expand Down

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