- patches.suse/slab-handle-memoryless-nodes-v2a.patch: Refresh.

[linux-flexiantxendom0-3.2.10.git] / drivers / gpu / drm / drm_fb_helper.c

diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 65ef011..1c2b7d4 100644 (file)
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -156,7 +156,7 @@ static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *con
                        force = DRM_FORCE_ON;
                        break;
                case 'D':
-                       if ((connector->connector_type != DRM_MODE_CONNECTOR_DVII) ||
+                       if ((connector->connector_type != DRM_MODE_CONNECTOR_DVII) &&
                            (connector->connector_type != DRM_MODE_CONNECTOR_HDMIB))
                                force = DRM_FORCE_ON;
                        else
@@ -373,11 +373,9 @@ static void drm_fb_helper_off(struct fb_info *info, int dpms_mode)
                                        mutex_unlock(&dev->mode_config.mutex);
                                }
                        }
-                       if (dpms_mode == DRM_MODE_DPMS_OFF) {
-                               mutex_lock(&dev->mode_config.mutex);
-                               crtc_funcs->dpms(crtc, dpms_mode);
-                               mutex_unlock(&dev->mode_config.mutex);
-                       }
+                       mutex_lock(&dev->mode_config.mutex);
+                       crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+                       mutex_unlock(&dev->mode_config.mutex);
                }
        }
 }
@@ -385,18 +383,23 @@ static void drm_fb_helper_off(struct fb_info *info, int dpms_mode)
 int drm_fb_helper_blank(int blank, struct fb_info *info)
 {
        switch (blank) {
+       /* Display: On; HSync: On, VSync: On */
        case FB_BLANK_UNBLANK:
                drm_fb_helper_on(info);
                break;
+       /* Display: Off; HSync: On, VSync: On */
        case FB_BLANK_NORMAL:
-               drm_fb_helper_off(info, DRM_MODE_DPMS_STANDBY);
+               drm_fb_helper_off(info, DRM_MODE_DPMS_ON);
                break;
+       /* Display: Off; HSync: Off, VSync: On */
        case FB_BLANK_HSYNC_SUSPEND:
                drm_fb_helper_off(info, DRM_MODE_DPMS_STANDBY);
                break;
+       /* Display: Off; HSync: On, VSync: Off */
        case FB_BLANK_VSYNC_SUSPEND:
                drm_fb_helper_off(info, DRM_MODE_DPMS_SUSPEND);
                break;
+       /* Display: Off; HSync: Off, VSync: Off */
        case FB_BLANK_POWERDOWN:
                drm_fb_helper_off(info, DRM_MODE_DPMS_OFF);
                break;
@@ -603,11 +606,10 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
                return -EINVAL;
 
        /* Need to resize the fb object !!! */
-       if (var->xres > fb->width || var->yres > fb->height) {
-               DRM_ERROR("Requested width/height is greater than current fb "
-                          "object %dx%d > %dx%d\n", var->xres, var->yres,
-                          fb->width, fb->height);
-               DRM_ERROR("Need resizing code.\n");
+       if (var->bits_per_pixel > fb->bits_per_pixel || var->xres > fb->width || var->yres > fb->height) {
+               DRM_DEBUG("fb userspace requested width/height/bpp is greater than current fb "
+                         "object %dx%d-%d > %dx%d-%d\n", var->xres, var->yres, var->bits_per_pixel,
+                         fb->width, fb->height, fb->bits_per_pixel);
                return -EINVAL;
        }
 
@@ -905,8 +907,13 @@ int drm_fb_helper_single_fb_probe(struct drm_device *dev,
 
        if (new_fb) {
                info->var.pixclock = 0;
-               if (register_framebuffer(info) < 0)
+               ret = fb_alloc_cmap(&info->cmap, modeset->crtc->gamma_size, 0);
+               if (ret)
+                       return ret;
+               if (register_framebuffer(info) < 0) {
+                       fb_dealloc_cmap(&info->cmap);
                        return -EINVAL;
+               }
        } else {
                drm_fb_helper_set_par(info);
        }
@@ -936,6 +943,7 @@ void drm_fb_helper_free(struct drm_fb_helper *helper)
                unregister_sysrq_key('v', &sysrq_drm_fb_helper_restore_op);
        }
        drm_fb_helper_crtc_free(helper);
+       fb_dealloc_cmap(&helper->fb->fbdev->cmap);
 }
 EXPORT_SYMBOL(drm_fb_helper_free);