With refcounting we need to adjust framebuffer refcounts at each
callsite - much easier to do if they all call the same little helper
function.
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
drivers/gpu/drm/drm_crtc.c | 19 +++++++++++++++++--
drivers/gpu/drm/drm_fb_helper.c | 6 +++---
drivers/gpu/drm/i2c/ch7006_drv.c | 2 +-
drivers/gpu/drm/nouveau/nv04_display.c | 2 +-
drivers/gpu/drm/nouveau/nv17_tv.c | 2 +-
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 2 +-
include/drm/drm_crtc.h | 1 +
7 files changed, 25 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index ccf15ad..229853e 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -536,7 +536,7 @@ void drm_framebuffer_remove(struct drm_framebuffer *fb)
memset(&set, 0, sizeof(struct drm_mode_set));
set.crtc = crtc;
set.fb = NULL;
- ret = crtc->funcs->set_config(&set);
+ ret = drm_mode_set_config_internal(&set);
if (ret)
DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc);
}
@@ -1974,6 +1974,21 @@ out:
}
/**
+ * drm_mode_set_config_internal - helper to call ->set_config
+ * @set: modeset config to set
+ *
+ * This is a little helper to wrap internal calls to the ->set_config driver
+ * interface. The only thing it adds is correct refcounting dance.
+ */
+int drm_mode_set_config_internal(struct drm_mode_set *set)
+{
+ struct drm_crtc *crtc = set->crtc;
+
+ return crtc->funcs->set_config(set);
+}
+EXPORT_SYMBOL(drm_mode_set_config_internal);
+
+/**
* drm_mode_setcrtc - set CRTC configuration
* @dev: drm device for the ioctl
* @data: data pointer for the ioctl
@@ -2137,7 +2152,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
set.connectors = connector_set;
set.num_connectors = crtc_req->count_connectors;
set.fb = fb;
- ret = crtc->funcs->set_config(&set);
+ ret = drm_mode_set_config_internal(&set);
out:
kfree(connector_set);
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index d84ec67..403d53e 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -245,7 +245,7 @@ bool drm_fb_helper_restore_fbdev_mode(struct drm_fb_helper *fb_helper)
int i, ret;
for (i = 0; i < fb_helper->crtc_count; i++) {
struct drm_mode_set *mode_set = &fb_helper->crtc_info[i].mode_set;
- ret = mode_set->crtc->funcs->set_config(mode_set);
+ ret = drm_mode_set_config_internal(mode_set);
if (ret)
error = true;
}
@@ -675,7 +675,7 @@ int drm_fb_helper_set_par(struct fb_info *info)
drm_modeset_lock_all(dev);
for (i = 0; i < fb_helper->crtc_count; i++) {
crtc = fb_helper->crtc_info[i].mode_set.crtc;
- ret = crtc->funcs->set_config(&fb_helper->crtc_info[i].mode_set);
+ ret = drm_mode_set_config_internal(&fb_helper->crtc_info[i].mode_set);
if (ret) {
drm_modeset_unlock_all(dev);
return ret;
@@ -711,7 +711,7 @@ int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
modeset->y = var->yoffset;
if (modeset->num_connectors) {
- ret = crtc->funcs->set_config(modeset);
+ ret = drm_mode_set_config_internal(modeset);
if (!ret) {
info->var.xoffset = var->xoffset;
info->var.yoffset = var->yoffset;
diff --git a/drivers/gpu/drm/i2c/ch7006_drv.c b/drivers/gpu/drm/i2c/ch7006_drv.c
index 599099f..c5c947c 100644
--- a/drivers/gpu/drm/i2c/ch7006_drv.c
+++ b/drivers/gpu/drm/i2c/ch7006_drv.c
@@ -364,7 +364,7 @@ static int ch7006_encoder_set_property(struct drm_encoder *encoder,
.crtc = crtc,
};
- crtc->funcs->set_config(&modeset);
+ drm_mode_set_config_internal(&modeset);
}
}
diff --git a/drivers/gpu/drm/nouveau/nv04_display.c b/drivers/gpu/drm/nouveau/nv04_display.c
index 2cd6fb8..4c6e9f8 100644
--- a/drivers/gpu/drm/nouveau/nv04_display.c
+++ b/drivers/gpu/drm/nouveau/nv04_display.c
@@ -140,7 +140,7 @@ nv04_display_destroy(struct drm_device *dev)
.crtc = crtc,
};
- crtc->funcs->set_config(&modeset);
+ drm_mode_set_config_internal(&modeset);
}
/* Restore state */
diff --git a/drivers/gpu/drm/nouveau/nv17_tv.c b/drivers/gpu/drm/nouveau/nv17_tv.c
index 897b636..bb3abfc 100644
--- a/drivers/gpu/drm/nouveau/nv17_tv.c
+++ b/drivers/gpu/drm/nouveau/nv17_tv.c
@@ -768,7 +768,7 @@ static int nv17_tv_set_property(struct drm_encoder *encoder,
.crtc = crtc,
};
- crtc->funcs->set_config(&modeset);
+ drm_mode_set_config_internal(&modeset);
}
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 91581fd..5e598f4 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -829,7 +829,7 @@ static void vmw_lastclose(struct drm_device *dev)
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
set.crtc = crtc;
- ret = crtc->funcs->set_config(&set);
+ ret = drm_mode_set_config_internal(&set);
WARN_ON(ret != 0);
}
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index b24ad78..e3ff0a3 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -1022,6 +1022,7 @@ extern int drm_mode_getcrtc(struct drm_device *dev,
void *data, struct drm_file *file_priv);
extern int drm_mode_getconnector(struct drm_device *dev,
void *data, struct drm_file *file_priv);
+extern int drm_mode_set_config_internal(struct drm_mode_set *set);
extern int drm_mode_setcrtc(struct drm_device *dev,
void *data, struct drm_file *file_priv);
extern int drm_mode_getplane(struct drm_device *dev,
--
1.7.10.4
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