diff options
| -rw-r--r-- | linux-core/drm_crtc.c | 74 | ||||
| -rw-r--r-- | linux-core/drm_crtc.h | 6 |
2 files changed, 53 insertions, 27 deletions
diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c index 2d1c8064..bdcf5f9b 100644 --- a/linux-core/drm_crtc.c +++ b/linux-core/drm_crtc.c @@ -1130,16 +1130,27 @@ EXPORT_SYMBOL(drm_mode_config_cleanup); * RETURNS: * Zero. (FIXME) */ -int drm_crtc_set_config(struct drm_crtc *crtc, struct drm_mode_crtc *crtc_info, struct drm_display_mode *new_mode, struct drm_output **output_set, struct drm_framebuffer *fb) +int drm_crtc_set_config(struct drm_mode_set *set) { - struct drm_device *dev = crtc->dev; + struct drm_device *dev; struct drm_crtc **save_crtcs, *new_crtc; - bool save_enabled = crtc->enabled; + bool save_enabled; bool changed = false; bool flip_or_move = false; struct drm_output *output; int count = 0, ro; + if (!set) + return -EINVAL; + + if (!set->crtc) + return -EINVAL; + + dev = set->crtc->dev; + + /* save previous config */ + save_enabled = set->crtc->enabled; + /* this is meant to be num_output not num_crtc */ save_crtcs = kzalloc(dev->mode_config.num_output * sizeof(struct drm_crtc *), GFP_KERNEL); if (!save_crtcs) @@ -1147,30 +1158,30 @@ int drm_crtc_set_config(struct drm_crtc *crtc, struct drm_mode_crtc *crtc_info, /* We should be able to check here if the fb has the same properties * and then just flip_or_move it */ - if (crtc->fb != fb) + if (set->crtc->fb != set->fb) flip_or_move = true; - if (crtc_info->x != crtc->x || crtc_info->y != crtc->y) + if (set->x != set->crtc->x || set->y != set->crtc->y) flip_or_move = true; - if (new_mode && !drm_mode_equal(new_mode, &crtc->mode)) { + if (set->mode && !drm_mode_equal(set->mode, &set->crtc->mode)) { DRM_DEBUG("modes are different\n"); - drm_mode_debug_printmodeline(dev, &crtc->mode); - drm_mode_debug_printmodeline(dev, new_mode); + drm_mode_debug_printmodeline(dev, &set->crtc->mode); + drm_mode_debug_printmodeline(dev, set->mode); changed = true; } list_for_each_entry(output, &dev->mode_config.output_list, head) { save_crtcs[count++] = output->crtc; - if (output->crtc == crtc) + if (output->crtc == set->crtc) new_crtc = NULL; else new_crtc = output->crtc; - for (ro = 0; ro < crtc_info->count_outputs; ro++) { - if (output_set[ro] == output) - new_crtc = crtc; + for (ro = 0; ro < set->num_outputs; ro++) { + if (set->outputs[ro] == output) + new_crtc = set->crtc; } if (new_crtc != output->crtc) { changed = true; @@ -1179,33 +1190,34 @@ int drm_crtc_set_config(struct drm_crtc *crtc, struct drm_mode_crtc *crtc_info, } /* mode_set_base is not a required function */ - if (flip_or_move && !crtc->funcs->mode_set_base) + if (flip_or_move && !set->crtc->funcs->mode_set_base) changed = true; if (changed) { - crtc->fb = fb; - crtc->enabled = (new_mode != NULL); - if (new_mode != NULL) { + set->crtc->fb = set->fb; + set->crtc->enabled = (set->mode != NULL); + if (set->mode != NULL) { DRM_DEBUG("attempting to set mode from userspace\n"); - drm_mode_debug_printmodeline(dev, new_mode); - if (!drm_crtc_set_mode(crtc, new_mode, crtc_info->x, - crtc_info->y)) { - crtc->enabled = save_enabled; + drm_mode_debug_printmodeline(dev, set->mode); + if (!drm_crtc_set_mode(set->crtc, set->mode, set->x, + set->y)) { + set->crtc->enabled = save_enabled; count = 0; list_for_each_entry(output, &dev->mode_config.output_list, head) output->crtc = save_crtcs[count++]; kfree(save_crtcs); return -EINVAL; } - crtc->desired_x = crtc_info->x; - crtc->desired_y = crtc_info->y; - crtc->desired_mode = new_mode; + /* TODO are these needed? */ + set->crtc->desired_x = set->x; + set->crtc->desired_y = set->y; + set->crtc->desired_mode = set->mode; } drm_disable_unused_functions(dev); } else if (flip_or_move) { - if (crtc->fb != fb) - crtc->fb = fb; - crtc->funcs->mode_set_base(crtc, crtc_info->x, crtc_info->y); + if (set->crtc->fb != set->fb) + set->crtc->fb = set->fb; + set->crtc->funcs->mode_set_base(set->crtc, set->x, set->y); } kfree(save_crtcs); @@ -1648,6 +1660,7 @@ int drm_mode_setcrtc(struct drm_device *dev, struct drm_output **output_set = NULL, *output; struct drm_framebuffer *fb = NULL; struct drm_display_mode *mode = NULL; + struct drm_mode_set set; uint32_t __user *set_outputs_ptr; int ret = 0; int i; @@ -1724,7 +1737,14 @@ int drm_mode_setcrtc(struct drm_device *dev, } } - ret = drm_crtc_set_config(crtc, crtc_req, mode, output_set, fb); + set.crtc = crtc; + set.x = crtc_req->x; + set.y = crtc_req->y; + set.mode = mode; + set.outputs = output_set; + set.num_outputs = crtc_req->count_outputs; + set.fb =fb; + ret = drm_crtc_set_config(&set); out: kfree(output_set); diff --git a/linux-core/drm_crtc.h b/linux-core/drm_crtc.h index 64e7e519..abe8f3f3 100644 --- a/linux-core/drm_crtc.h +++ b/linux-core/drm_crtc.h @@ -475,11 +475,17 @@ struct drm_output { * * Represents a single crtc the outputs that it drives with what mode * and from which framebuffer it scans out from. + * + * This is used to set modes. */ struct drm_mode_set { struct drm_framebuffer *fb; struct drm_crtc *crtc; + struct drm_display_mode *mode; + + uint32_t x; + uint32_t y; struct drm_output **outputs; size_t num_outputs; |