| Message ID | 20210916211552.33490-14-greenfoo@u92.eu (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Kieran Bingham |
| Headers | show |
| Series | drm: cleanup: Use DRM_MODESET_LOCK_ALL_* helpers where possible | expand |
On Thu, Sep 16, 2021 at 11:15:50PM +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@u92.eu> > --- > drivers/gpu/drm/gma500/psb_device.c | 14 ++++++++++---- > 1 file changed, 10 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/gma500/psb_device.c b/drivers/gpu/drm/gma500/psb_device.c > index 951725a0f7a3..4e27f65a1f16 100644 > --- a/drivers/gpu/drm/gma500/psb_device.c > +++ b/drivers/gpu/drm/gma500/psb_device.c > @@ -8,6 +8,7 @@ > #include <linux/backlight.h> > > #include <drm/drm.h> > +#include <drm/drm_drv.h> > > #include "gma_device.h" > #include "intel_bios.h" > @@ -169,8 +170,10 @@ static int psb_save_display_registers(struct drm_device *dev) > { > struct drm_psb_private *dev_priv = dev->dev_private; > struct drm_crtc *crtc; > + struct drm_modeset_acquire_ctx ctx; > struct gma_connector *connector; > struct psb_state *regs = &dev_priv->regs.psb; > + int ret; > > /* Display arbitration control + watermarks */ > regs->saveDSPARB = PSB_RVDC32(DSPARB); > @@ -183,7 +186,7 @@ static int psb_save_display_registers(struct drm_device *dev) > regs->saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT); > > /* Save crtc and output state */ > - drm_modeset_lock_all(dev); > + DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret); > list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { > if (drm_helper_crtc_in_use(crtc)) > dev_priv->ops->save_crtc(crtc); > @@ -193,7 +196,8 @@ static int psb_save_display_registers(struct drm_device *dev) > if (connector->save) > connector->save(&connector->base); > > - drm_modeset_unlock_all(dev); > + DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); > + > return 0; Return ret here please > } > > @@ -207,8 +211,10 @@ static int psb_restore_display_registers(struct drm_device *dev) > { > struct drm_psb_private *dev_priv = dev->dev_private; > struct drm_crtc *crtc; > + struct drm_modeset_acquire_ctx ctx; > struct gma_connector *connector; > struct psb_state *regs = &dev_priv->regs.psb; > + int ret; > > /* Display arbitration + watermarks */ > PSB_WVDC32(regs->saveDSPARB, DSPARB); > @@ -223,7 +229,7 @@ static int psb_restore_display_registers(struct drm_device *dev) > /*make sure VGA plane is off. it initializes to on after reset!*/ > PSB_WVDC32(0x80000000, VGACNTRL); > > - drm_modeset_lock_all(dev); > + DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret); > list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) > if (drm_helper_crtc_in_use(crtc)) > dev_priv->ops->restore_crtc(crtc); > @@ -232,7 +238,7 @@ static int psb_restore_display_registers(struct drm_device *dev) > if (connector->restore) > connector->restore(&connector->base); > > - drm_modeset_unlock_all(dev); > + DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); > return 0; Here too > } > > -- > 2.33.0 >
diff --git a/drivers/gpu/drm/gma500/psb_device.c b/drivers/gpu/drm/gma500/psb_device.c index 951725a0f7a3..4e27f65a1f16 100644 --- a/drivers/gpu/drm/gma500/psb_device.c +++ b/drivers/gpu/drm/gma500/psb_device.c @@ -8,6 +8,7 @@ #include <linux/backlight.h> #include <drm/drm.h> +#include <drm/drm_drv.h> #include "gma_device.h" #include "intel_bios.h" @@ -169,8 +170,10 @@ static int psb_save_display_registers(struct drm_device *dev) { struct drm_psb_private *dev_priv = dev->dev_private; struct drm_crtc *crtc; + struct drm_modeset_acquire_ctx ctx; struct gma_connector *connector; struct psb_state *regs = &dev_priv->regs.psb; + int ret; /* Display arbitration control + watermarks */ regs->saveDSPARB = PSB_RVDC32(DSPARB); @@ -183,7 +186,7 @@ static int psb_save_display_registers(struct drm_device *dev) regs->saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT); /* Save crtc and output state */ - drm_modeset_lock_all(dev); + DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret); list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { if (drm_helper_crtc_in_use(crtc)) dev_priv->ops->save_crtc(crtc); @@ -193,7 +196,8 @@ static int psb_save_display_registers(struct drm_device *dev) if (connector->save) connector->save(&connector->base); - drm_modeset_unlock_all(dev); + DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); + return 0; } @@ -207,8 +211,10 @@ static int psb_restore_display_registers(struct drm_device *dev) { struct drm_psb_private *dev_priv = dev->dev_private; struct drm_crtc *crtc; + struct drm_modeset_acquire_ctx ctx; struct gma_connector *connector; struct psb_state *regs = &dev_priv->regs.psb; + int ret; /* Display arbitration + watermarks */ PSB_WVDC32(regs->saveDSPARB, DSPARB); @@ -223,7 +229,7 @@ static int psb_restore_display_registers(struct drm_device *dev) /*make sure VGA plane is off. it initializes to on after reset!*/ PSB_WVDC32(0x80000000, VGACNTRL); - drm_modeset_lock_all(dev); + DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret); list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) if (drm_helper_crtc_in_use(crtc)) dev_priv->ops->restore_crtc(crtc); @@ -232,7 +238,7 @@ static int psb_restore_display_registers(struct drm_device *dev) if (connector->restore) connector->restore(&connector->base); - drm_modeset_unlock_all(dev); + DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); return 0; }
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> --- drivers/gpu/drm/gma500/psb_device.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-)