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path: root/drivers/gpu/drm/drm_fb_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_fb_helper.c')
-rw-r--r--drivers/gpu/drm/drm_fb_helper.c45
1 files changed, 28 insertions, 17 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 98a03639b413..04d3fd3658f3 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -232,7 +232,7 @@ static struct drm_framebuffer *drm_mode_config_fb(struct drm_crtc *crtc)
list_for_each_entry(c, &dev->mode_config.crtc_list, head) {
if (crtc->base.id == c->base.id)
- return c->fb;
+ return c->primary->fb;
}
return NULL;
@@ -291,7 +291,8 @@ bool drm_fb_helper_restore_fbdev_mode(struct drm_fb_helper *fb_helper)
drm_warn_on_modeset_not_all_locked(dev);
list_for_each_entry(plane, &dev->mode_config.plane_list, head)
- drm_plane_force_disable(plane);
+ if (plane->type != DRM_PLANE_TYPE_PRIMARY)
+ drm_plane_force_disable(plane);
for (i = 0; i < fb_helper->crtc_count; i++) {
struct drm_mode_set *mode_set = &fb_helper->crtc_info[i].mode_set;
@@ -365,9 +366,9 @@ static bool drm_fb_helper_is_bound(struct drm_fb_helper *fb_helper)
return false;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- if (crtc->fb)
+ if (crtc->primary->fb)
crtcs_bound++;
- if (crtc->fb == fb_helper->fb)
+ if (crtc->primary->fb == fb_helper->fb)
bound++;
}
@@ -516,6 +517,9 @@ int drm_fb_helper_init(struct drm_device *dev,
struct drm_crtc *crtc;
int i;
+ if (!max_conn_count)
+ return -EINVAL;
+
fb_helper->dev = dev;
INIT_LIST_HEAD(&fb_helper->kernel_fb_list);
@@ -809,8 +813,6 @@ int drm_fb_helper_set_par(struct fb_info *info)
struct drm_fb_helper *fb_helper = info->par;
struct drm_device *dev = fb_helper->dev;
struct fb_var_screeninfo *var = &info->var;
- int ret;
- int i;
if (var->pixclock != 0) {
DRM_ERROR("PIXEL CLOCK SET\n");
@@ -818,13 +820,7 @@ int drm_fb_helper_set_par(struct fb_info *info)
}
drm_modeset_lock_all(dev);
- for (i = 0; i < fb_helper->crtc_count; i++) {
- ret = drm_mode_set_config_internal(&fb_helper->crtc_info[i].mode_set);
- if (ret) {
- drm_modeset_unlock_all(dev);
- return ret;
- }
- }
+ drm_fb_helper_restore_fbdev_mode(fb_helper);
drm_modeset_unlock_all(dev);
if (fb_helper->delayed_hotplug) {
@@ -1136,19 +1132,20 @@ static int drm_fb_helper_probe_connector_modes(struct drm_fb_helper *fb_helper,
return count;
}
-static struct drm_display_mode *drm_has_preferred_mode(struct drm_fb_helper_connector *fb_connector, int width, int height)
+struct drm_display_mode *drm_has_preferred_mode(struct drm_fb_helper_connector *fb_connector, int width, int height)
{
struct drm_display_mode *mode;
list_for_each_entry(mode, &fb_connector->connector->modes, head) {
- if (drm_mode_width(mode) > width ||
- drm_mode_height(mode) > height)
+ if (mode->hdisplay > width ||
+ mode->vdisplay > height)
continue;
if (mode->type & DRM_MODE_TYPE_PREFERRED)
return mode;
}
return NULL;
}
+EXPORT_SYMBOL(drm_has_preferred_mode);
static bool drm_has_cmdline_mode(struct drm_fb_helper_connector *fb_connector)
{
@@ -1157,11 +1154,12 @@ static bool drm_has_cmdline_mode(struct drm_fb_helper_connector *fb_connector)
return cmdline_mode->specified;
}
-static struct drm_display_mode *drm_pick_cmdline_mode(struct drm_fb_helper_connector *fb_helper_conn,
+struct drm_display_mode *drm_pick_cmdline_mode(struct drm_fb_helper_connector *fb_helper_conn,
int width, int height)
{
struct drm_cmdline_mode *cmdline_mode;
struct drm_display_mode *mode = NULL;
+ bool prefer_non_interlace;
cmdline_mode = &fb_helper_conn->cmdline_mode;
if (cmdline_mode->specified == false)
@@ -1173,6 +1171,8 @@ static struct drm_display_mode *drm_pick_cmdline_mode(struct drm_fb_helper_conne
if (cmdline_mode->rb || cmdline_mode->margins)
goto create_mode;
+ prefer_non_interlace = !cmdline_mode->interlace;
+ again:
list_for_each_entry(mode, &fb_helper_conn->connector->modes, head) {
/* check width/height */
if (mode->hdisplay != cmdline_mode->xres ||
@@ -1187,16 +1187,25 @@ static struct drm_display_mode *drm_pick_cmdline_mode(struct drm_fb_helper_conne
if (cmdline_mode->interlace) {
if (!(mode->flags & DRM_MODE_FLAG_INTERLACE))
continue;
+ } else if (prefer_non_interlace) {
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+ continue;
}
return mode;
}
+ if (prefer_non_interlace) {
+ prefer_non_interlace = false;
+ goto again;
+ }
+
create_mode:
mode = drm_mode_create_from_cmdline_mode(fb_helper_conn->connector->dev,
cmdline_mode);
list_add(&mode->head, &fb_helper_conn->connector->modes);
return mode;
}
+EXPORT_SYMBOL(drm_pick_cmdline_mode);
static bool drm_connector_enabled(struct drm_connector *connector, bool strict)
{
@@ -1539,9 +1548,11 @@ bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel)
drm_fb_helper_parse_command_line(fb_helper);
+ mutex_lock(&dev->mode_config.mutex);
count = drm_fb_helper_probe_connector_modes(fb_helper,
dev->mode_config.max_width,
dev->mode_config.max_height);
+ mutex_unlock(&dev->mode_config.mutex);
/*
* we shouldn't end up with no modes here.
*/