diff options
| -rw-r--r-- | linux-core/drm_crtc.c | 365 |
1 files changed, 164 insertions, 201 deletions
diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c index ed5f1dfa..fcddc7d9 100644 --- a/linux-core/drm_crtc.c +++ b/linux-core/drm_crtc.c @@ -433,24 +433,31 @@ bool drm_crtc_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode, * on the DPLL. */ crtc->funcs->mode_set(crtc, mode, adjusted_mode, x, y); + list_for_each_entry(output, &dev->mode_config.output_list, head) { - if (output->crtc == crtc) { - dev_warn(&output->dev->pdev->dev, "%s: set mode %s\n", - output->name, mode->name); - output->funcs->mode_set(output, mode, adjusted_mode); - } + + if (output->crtc != crtc) + continue; + + DRM_INFO("%s: set mode %s\n", output->name, mode->name); + + output->funcs->mode_set(output, mode, adjusted_mode); } /* Now, enable the clocks, plane, pipe, and outputs that we set up. */ crtc->funcs->commit(crtc); + list_for_each_entry(output, &dev->mode_config.output_list, head) { - if (output->crtc == crtc) { - output->funcs->commit(output); + + if (output->crtc != crtc) + continue; + + output->funcs->commit(output); + #if 0 // TODO def RANDR_12_INTERFACE - if (output->randr_output) - RRPostPendingProperties (output->randr_output); + if (output->randr_output) + RRPostPendingProperties (output->randr_output); #endif - } } /* XXX free adjustedmode */ @@ -762,7 +769,7 @@ out_err: */ static void drm_pick_crtcs (struct drm_device *dev) { - int c, o; + int c, o, assigned; struct drm_output *output, *output_equal; struct drm_crtc *crtc; struct drm_display_mode *des_mode = NULL, *modes, *modes_equal; @@ -802,11 +809,26 @@ static void drm_pick_crtcs (struct drm_device *dev) c = -1; list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + assigned = 0; + c++; if ((output->possible_crtcs & (1 << c)) == 0) continue; -#if 0 /* should we try and clone ?? - code not tested - FIXME */ + list_for_each_entry(output_equal, &dev->mode_config.output_list, head) { + if (output->id == output_equal->id) + continue; + + /* Find out if crtc has been assigned before */ + if (output_equal->crtc == crtc) + assigned = 1; + } + +#if 1 /* continue for now */ + if (assigned) + continue; +#endif + o = -1; list_for_each_entry(output_equal, &dev->mode_config.output_list, head) { o++; @@ -816,7 +838,9 @@ static void drm_pick_crtcs (struct drm_device *dev) list_for_each_entry(modes, &output->modes, head) { list_for_each_entry(modes_equal, &output_equal->modes, head) { if (drm_mode_equal (modes, modes_equal)) { - if ((output->possible_clones & (1 << o))) { + if ((output->possible_clones & output_equal->possible_clones) && (output_equal->crtc == crtc)) { + printk("Cloning %s (0x%lx) to %s (0x%lx)\n",output->name,output->possible_clones,output_equal->name,output_equal->possible_clones); + assigned = 0; goto clone; } } @@ -825,7 +849,10 @@ static void drm_pick_crtcs (struct drm_device *dev) } clone: -#endif + /* crtc has been assigned skip it */ + if (assigned) + continue; + /* Found a CRTC to attach to, do it ! */ output->crtc = crtc; output->crtc->desired_mode = des_mode; @@ -856,6 +883,7 @@ clone: bool drm_initial_config(struct drm_device *dev, bool can_grow) { struct drm_output *output; + struct drm_crtc *crtc; int ret = false; mutex_lock(&dev->mode_config.mutex); @@ -864,14 +892,31 @@ bool drm_initial_config(struct drm_device *dev, bool can_grow) drm_pick_crtcs(dev); + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + + /* can't setup the crtc if there's no assigned mode */ + if (!crtc->desired_mode) + continue; + + /* Now setup the fbdev for attached crtcs */ + dev->driver->fb_probe(dev, crtc); + } + + /* This is a little screwy, as we've already walked the outputs + * above, but it's a little bit of magic too. There's the potential + * for things not to get setup above if an existing device gets + * re-assigned thus confusing the hardware. By walking the outputs + * this fixes up their crtc's. + */ list_for_each_entry(output, &dev->mode_config.output_list, head) { - /* can't setup the output if there's no assigned crtc or mode */ + /* can't setup the output if there's no assigned mode */ if (!output->crtc || !output->crtc->desired_mode) continue; - dev->driver->fb_probe(dev, output->crtc); + drm_crtc_set_mode(output->crtc, output->crtc->desired_mode, 0, 0); } + drm_disable_unused_functions(dev); mutex_unlock(&dev->mode_config.mutex); @@ -1088,8 +1133,7 @@ void drm_crtc_convert_umode(struct drm_display_mode *out, struct drm_mode_modein int drm_mode_getresources(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_mode_card_res __user *argp = (void __user *)data; - struct drm_mode_card_res card_res; + struct drm_mode_card_res *card_res = data; struct list_head *lh; struct drm_framebuffer *fb; struct drm_output *output; @@ -1122,12 +1166,7 @@ int drm_mode_getresources(struct drm_device *dev, list_for_each(lh, &dev->mode_config.usermode_list) mode_count++; - if (copy_from_user(&card_res, argp, sizeof(card_res))) { - ret = -EFAULT; - goto out_unlock; - } - - if (card_res.count_modes == 0) { + if (card_res->count_modes == 0) { DRM_DEBUG("probing modes %dx%d\n", dev->mode_config.max_width, dev->mode_config.max_height); drm_crtc_probe_output_modes(dev, dev->mode_config.max_width, dev->mode_config.max_height); mode_count = 0; @@ -1141,78 +1180,58 @@ int drm_mode_getresources(struct drm_device *dev, /* handle this in 4 parts */ /* FBs */ - if (card_res.count_fbs >= fb_count) { + if (card_res->count_fbs >= fb_count) { copied = 0; list_for_each_entry(fb, &dev->mode_config.fb_list, head) { - if (put_user(fb->id, &card_res.fb_id[copied++])) { - ret = -EFAULT; - goto done; - } + card_res->fb_id[copied++] = fb->id; } } - card_res.count_fbs = fb_count; + card_res->count_fbs = fb_count; /* CRTCs */ - if (card_res.count_crtcs >= crtc_count) { + if (card_res->count_crtcs >= crtc_count) { copied = 0; list_for_each_entry(crtc, &dev->mode_config.crtc_list, head){ DRM_DEBUG("CRTC ID is %d\n", crtc->id); - if (put_user(crtc->id, &card_res.crtc_id[copied++])) { - ret = -EFAULT; - goto done; - } + card_res->crtc_id[copied++] = crtc->id; } } - card_res.count_crtcs = crtc_count; + card_res->count_crtcs = crtc_count; /* Outputs */ - if (card_res.count_outputs >= output_count) { + if (card_res->count_outputs >= output_count) { copied = 0; list_for_each_entry(output, &dev->mode_config.output_list, head) { DRM_DEBUG("OUTPUT ID is %d\n", output->id); - if (put_user(output->id, &card_res.output_id[copied++])) { - ret = -EFAULT; - goto done; - } + card_res->output_id[copied++] = output->id; } } - card_res.count_outputs = output_count; + card_res->count_outputs = output_count; /* Modes */ - if (card_res.count_modes >= mode_count) { + if (card_res->count_modes >= mode_count) { copied = 0; list_for_each_entry(output, &dev->mode_config.output_list, head) { list_for_each_entry(mode, &output->modes, head) { drm_crtc_convert_to_umode(&u_mode, mode); - if (copy_to_user(&card_res.modes[copied++], &u_mode, sizeof(struct drm_mode_modeinfo))) { - ret = -EFAULT; - goto done; - } + card_res->modes[copied++] = u_mode; } } /* add in user modes */ list_for_each_entry(mode, &dev->mode_config.usermode_list, head) { drm_crtc_convert_to_umode(&u_mode, mode); - if (copy_to_user(&card_res.modes[copied++], &u_mode, sizeof(struct drm_mode_modeinfo))) { - ret = -EFAULT; - goto done; - } + card_res->modes[copied++] = u_mode; } } - card_res.count_modes = mode_count; + card_res->count_modes = mode_count; -done: - DRM_DEBUG("Counted %d %d %d\n", card_res.count_crtcs, - card_res.count_outputs, - card_res.count_modes); + DRM_DEBUG("Counted %d %d %d\n", card_res->count_crtcs, + card_res->count_outputs, + card_res->count_modes); - if (copy_to_user(argp, &card_res, sizeof(card_res))) - ret = -EFAULT; - -out_unlock: mutex_unlock(&dev->mode_config.mutex); return ret; } @@ -1237,43 +1256,36 @@ out_unlock: int drm_mode_getcrtc(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_mode_crtc __user *argp = (void __user *)data; - struct drm_mode_crtc crtc_resp; + struct drm_mode_crtc *crtc_resp = data; struct drm_crtc *crtc; struct drm_output *output; int ocount; int ret = 0; - if (copy_from_user(&crtc_resp, argp, sizeof(crtc_resp))) - return -EFAULT; - mutex_lock(&dev->mode_config.mutex); - crtc = idr_find(&dev->mode_config.crtc_idr, crtc_resp.crtc_id); - if (!crtc || (crtc->id != crtc_resp.crtc_id)) { + crtc = idr_find(&dev->mode_config.crtc_idr, crtc_resp->crtc_id); + if (!crtc || (crtc->id != crtc_resp->crtc_id)) { ret = -EINVAL; goto out; } - crtc_resp.x = crtc->x; - crtc_resp.y = crtc->y; - crtc_resp.fb_id = 1; + crtc_resp->x = crtc->x; + crtc_resp->y = crtc->y; + crtc_resp->fb_id = 1; - crtc_resp.outputs = 0; + crtc_resp->outputs = 0; if (crtc->enabled) { - crtc_resp.mode = crtc->mode.mode_id; + crtc_resp->mode = crtc->mode.mode_id; ocount = 0; list_for_each_entry(output, &dev->mode_config.output_list, head) { if (output->crtc == crtc) - crtc_resp.outputs |= 1 << (ocount++); + crtc_resp->outputs |= 1 << (ocount++); } } else { - crtc_resp.mode = 0; + crtc_resp->mode = 0; } - if (copy_to_user(argp, &crtc_resp, sizeof(crtc_resp))) - ret = -EFAULT; - out: mutex_unlock(&dev->mode_config.mutex); return ret; @@ -1299,8 +1311,7 @@ out: int drm_mode_getoutput(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_mode_get_output __user *argp = (void __user *)data; - struct drm_mode_get_output out_resp; + struct drm_mode_get_output *out_resp = data; struct drm_output *output; struct drm_display_mode *mode; int mode_count = 0; @@ -1308,16 +1319,13 @@ int drm_mode_getoutput(struct drm_device *dev, int copied = 0; int i; - if (copy_from_user(&out_resp, argp, sizeof(out_resp))) - return -EFAULT; - - DRM_DEBUG("output id %d:\n", out_resp.output); + DRM_DEBUG("output id %d:\n", out_resp->output); mutex_lock(&dev->mode_config.mutex); - output= idr_find(&dev->mode_config.crtc_idr, out_resp.output); - if (!output || (output->id != out_resp.output)) { + output= idr_find(&dev->mode_config.crtc_idr, out_resp->output); + if (!output || (output->id != out_resp->output)) { ret = -EINVAL; - goto out_unlock; + goto done; } list_for_each_entry(mode, &output->modes, head) @@ -1327,42 +1335,32 @@ int drm_mode_getoutput(struct drm_device *dev, if (output->user_mode_ids[i] != 0) mode_count++; - strncpy(out_resp.name, output->name, DRM_OUTPUT_NAME_LEN); - out_resp.name[DRM_OUTPUT_NAME_LEN-1] = 0; + strncpy(out_resp->name, output->name, DRM_OUTPUT_NAME_LEN); + out_resp->name[DRM_OUTPUT_NAME_LEN-1] = 0; - out_resp.mm_width = output->mm_width; - out_resp.mm_height = output->mm_height; - out_resp.subpixel = output->subpixel_order; - out_resp.connection = output->status; + out_resp->mm_width = output->mm_width; + out_resp->mm_height = output->mm_height; + out_resp->subpixel = output->subpixel_order; + out_resp->connection = output->status; if (output->crtc) - out_resp.crtc = output->crtc->id; + out_resp->crtc = output->crtc->id; else - out_resp.crtc = 0; + out_resp->crtc = 0; - if ((out_resp.count_modes >= mode_count) && mode_count) { + if ((out_resp->count_modes >= mode_count) && mode_count) { copied = 0; list_for_each_entry(mode, &output->modes, head) { - if (put_user(mode->mode_id, &out_resp.modes[copied++])) { - ret = -EFAULT; - goto done; - } + out_resp->modes[copied++] = mode->mode_id; } for (i = 0; i < DRM_OUTPUT_MAX_UMODES; i++) { if (output->user_mode_ids[i] != 0) - if (put_user(output->user_mode_ids[i], &out_resp.modes[copied++])) { - ret = -EFAULT; - goto done; - } + out_resp->modes[copied++] = output->user_mode_ids[i]; } } - out_resp.count_modes = mode_count; + out_resp->count_modes = mode_count; done: - if (copy_to_user(argp, &out_resp, sizeof(out_resp))) - ret = -EFAULT; - -out_unlock: mutex_unlock(&dev->mode_config.mutex); return ret; } @@ -1387,8 +1385,7 @@ out_unlock: int drm_mode_setcrtc(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_mode_crtc __user *argp = (void __user *)data; - struct drm_mode_crtc crtc_req; + struct drm_mode_crtc *crtc_req = data; struct drm_crtc *crtc; struct drm_output **output_set = NULL, *output; struct drm_display_mode *mode; @@ -1396,29 +1393,26 @@ int drm_mode_setcrtc(struct drm_device *dev, int ret = 0; int i; - if (copy_from_user(&crtc_req, argp, sizeof(crtc_req))) - return -EFAULT; - mutex_lock(&dev->mode_config.mutex); - crtc = idr_find(&dev->mode_config.crtc_idr, crtc_req.crtc_id); - if (!crtc || (crtc->id != crtc_req.crtc_id)) { - DRM_DEBUG("Unknown CRTC ID %d\n", crtc_req.crtc_id); + crtc = idr_find(&dev->mode_config.crtc_idr, crtc_req->crtc_id); + if (!crtc || (crtc->id != crtc_req->crtc_id)) { + DRM_DEBUG("Unknown CRTC ID %d\n", crtc_req->crtc_id); ret = -EINVAL; goto out; } - if (crtc_req.mode) { + if (crtc_req->mode) { /* if we have a mode we need a framebuffer */ - if (crtc_req.fb_id) { - fb = idr_find(&dev->mode_config.crtc_idr, crtc_req.fb_id); - if (!fb || (fb->id != crtc_req.fb_id)) { - DRM_DEBUG("Unknown FB ID%d\n", crtc_req.fb_id); + if (crtc_req->fb_id) { + fb = idr_find(&dev->mode_config.crtc_idr, crtc_req->fb_id); + if (!fb || (fb->id != crtc_req->fb_id)) { + DRM_DEBUG("Unknown FB ID%d\n", crtc_req->fb_id); ret = -EINVAL; goto out; } } - mode = idr_find(&dev->mode_config.crtc_idr, crtc_req.mode); - if (!mode || (mode->mode_id != crtc_req.mode)) { + mode = idr_find(&dev->mode_config.crtc_idr, crtc_req->mode); + if (!mode || (mode->mode_id != crtc_req->mode)) { struct drm_output *output; list_for_each_entry(output, @@ -1431,36 +1425,36 @@ int drm_mode_setcrtc(struct drm_device *dev, } } - DRM_DEBUG("Unknown mode id %d, %p\n", crtc_req.mode, mode); + DRM_DEBUG("Unknown mode id %d, %p\n", crtc_req->mode, mode); ret = -EINVAL; goto out; } } else mode = NULL; - if (crtc_req.count_outputs == 0 && mode) { + if (crtc_req->count_outputs == 0 && mode) { DRM_DEBUG("Count outputs is 0 but mode set\n"); ret = -EINVAL; goto out; } - if (crtc_req.count_outputs > 0 && !mode && !fb) { - DRM_DEBUG("Count outputs is %d but no mode or fb set\n", crtc_req.count_outputs); + if (crtc_req->count_outputs > 0 && !mode && !fb) { + DRM_DEBUG("Count outputs is %d but no mode or fb set\n", crtc_req->count_outputs); ret = -EINVAL; goto out; } - if (crtc_req.count_outputs > 0) { + if (crtc_req->count_outputs > 0) { u32 out_id; - output_set = kmalloc(crtc_req.count_outputs * + output_set = kmalloc(crtc_req->count_outputs * sizeof(struct drm_output *), GFP_KERNEL); if (!output_set) { ret = -ENOMEM; goto out; } - for (i = 0; i < crtc_req.count_outputs; i++) { - if (get_user(out_id, &crtc_req.set_outputs[i])) { + for (i = 0; i < crtc_req->count_outputs; i++) { + if (get_user(out_id, &crtc_req->set_outputs[i])) { ret = -EFAULT; goto out; } @@ -1476,7 +1470,7 @@ int drm_mode_setcrtc(struct drm_device *dev, } } - ret = drm_crtc_set_config(crtc, &crtc_req, mode, output_set, fb); + ret = drm_crtc_set_config(crtc, crtc_req, mode, output_set, fb); out: mutex_unlock(&dev->mode_config.mutex); @@ -1503,29 +1497,25 @@ out: int drm_mode_addfb(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_mode_fb_cmd __user *argp = (void __user *)data; - struct drm_mode_fb_cmd r; + struct drm_mode_fb_cmd *r = data; struct drm_mode_config *config = &dev->mode_config; struct drm_framebuffer *fb; struct drm_buffer_object *bo; struct drm_crtc *crtc; int ret = 0; - if (copy_from_user(&r, argp, sizeof(r))) - return -EFAULT; - - if ((config->min_width > r.width) || (r.width > config->max_width)) { + if ((config->min_width > r->width) || (r->width > config->max_width)) { DRM_ERROR("mode new framebuffer width not within limits\n"); return -EINVAL; } - if ((config->min_height > r.height) || (r.height > config->max_height)) { + if ((config->min_height > r->height) || (r->height > config->max_height)) { DRM_ERROR("mode new framebuffer height not within limits\n"); return -EINVAL; } mutex_lock(&dev->mode_config.mutex); /* TODO check limits are okay */ - ret = drm_get_buffer_object(dev, &bo, r.handle); + ret = drm_get_buffer_object(dev, &bo, r->handle); if (ret || !bo) { ret = -EINVAL; goto out; @@ -1540,23 +1530,18 @@ int drm_mode_addfb(struct drm_device *dev, goto out; } - fb->width = r.width; - fb->height = r.height; - fb->pitch = r.pitch; - fb->bits_per_pixel = r.bpp; - fb->depth = r.depth; + fb->width = r->width; + fb->height = r->height; + fb->pitch = r->pitch; + fb->bits_per_pixel = r->bpp; + fb->depth = r->depth; fb->offset = bo->offset; fb->bo = bo; - r.buffer_id = fb->id; + r->buffer_id = fb->id; list_add(&fb->filp_head, &file_priv->fbs); - if (copy_to_user(argp, &r, sizeof(r))) { - ret = -EFAULT; - goto out; - } - /* FIXME: bind the fb to the right crtc */ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { crtc->fb = fb; @@ -1589,13 +1574,12 @@ int drm_mode_rmfb(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_framebuffer *fb = 0; - uint32_t id = data; + uint32_t *id = data; int ret = 0; - mutex_lock(&dev->mode_config.mutex); - fb = idr_find(&dev->mode_config.crtc_idr, id); + fb = idr_find(&dev->mode_config.crtc_idr, *id); /* TODO check that we realy get a framebuffer back. */ - if (!fb || (id != fb->id)) { + if (!fb || (*id != fb->id)) { DRM_ERROR("mode invalid framebuffer id\n"); ret = -EINVAL; goto out; @@ -1635,31 +1619,24 @@ out: int drm_mode_getfb(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_mode_fb_cmd __user *argp = (void __user *)data; - struct drm_mode_fb_cmd r; + struct drm_mode_fb_cmd *r = data; struct drm_framebuffer *fb; int ret = 0; - if (copy_from_user(&r, argp, sizeof(r))) - return -EFAULT; - mutex_lock(&dev->mode_config.mutex); - fb = idr_find(&dev->mode_config.crtc_idr, r.buffer_id); - if (!fb || (r.buffer_id != fb->id)) { + fb = idr_find(&dev->mode_config.crtc_idr, r->buffer_id); + if (!fb || (r->buffer_id != fb->id)) { DRM_ERROR("invalid framebuffer id\n"); ret = -EINVAL; goto out; } - r.height = fb->height; - r.width = fb->width; - r.depth = fb->depth; - r.bpp = fb->bits_per_pixel; - r.handle = fb->bo->base.hash.key; - r.pitch = fb->pitch; - - if (copy_to_user(argp, &r, sizeof(r))) - ret = -EFAULT; + r->height = fb->height; + r->width = fb->width; + r->depth = fb->depth; + r->bpp = fb->bits_per_pixel; + r->handle = fb->bo->base.hash.key; + r->pitch = fb->pitch; out: mutex_unlock(&dev->mode_config.mutex); @@ -1713,14 +1690,10 @@ void drm_fb_release(struct file *filp) int drm_mode_addmode(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_mode_modeinfo __user *argp = (void __user *)data; - struct drm_mode_modeinfo new_mode; + struct drm_mode_modeinfo *new_mode = data; struct drm_display_mode *user_mode; int ret = 0; - if (copy_from_user(&new_mode, argp, sizeof(new_mode))) - return -EFAULT; - mutex_lock(&dev->mode_config.mutex); user_mode = drm_mode_create(dev); if (!user_mode) { @@ -1728,16 +1701,14 @@ int drm_mode_addmode(struct drm_device *dev, goto out; } - drm_crtc_convert_umode(user_mode, &new_mode); + drm_crtc_convert_umode(user_mode, new_mode); user_mode->type |= DRM_MODE_TYPE_USERDEF; user_mode->output_count = 0; list_add(&user_mode->head, &dev->mode_config.usermode_list); - new_mode.id = user_mode->mode_id; - if (copy_to_user(argp, &new_mode, sizeof(new_mode))) - ret = -EFAULT; + new_mode->id = user_mode->mode_id; out: mutex_unlock(&dev->mode_config.mutex); @@ -1761,13 +1732,13 @@ out: int drm_mode_rmmode(struct drm_device *dev, void *data, struct drm_file *file_priv) { - uint32_t id = (uint32_t)data; + uint32_t *id = data; struct drm_display_mode *mode, *t; int ret = -EINVAL; mutex_lock(&dev->mode_config.mutex); - mode = idr_find(&dev->mode_config.crtc_idr, id); - if (!mode || (id != mode->mode_id)) { + mode = idr_find(&dev->mode_config.crtc_idr, *id); + if (!mode || (*id != mode->mode_id)) { ret = -EINVAL; goto out; } @@ -1812,25 +1783,21 @@ out: int drm_mode_attachmode(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_mode_mode_cmd __user *argp = (void __user *)data; - struct drm_mode_mode_cmd mode_cmd; + struct drm_mode_mode_cmd *mode_cmd = data; struct drm_output *output; struct drm_display_mode *mode; int i, ret = 0; - if (copy_from_user(&mode_cmd, argp, sizeof(mode_cmd))) - return -EFAULT; - mutex_lock(&dev->mode_config.mutex); - mode = idr_find(&dev->mode_config.crtc_idr, mode_cmd.mode_id); - if (!mode || (mode->mode_id != mode_cmd.mode_id)) { + mode = idr_find(&dev->mode_config.crtc_idr, mode_cmd->mode_id); + if (!mode || (mode->mode_id != mode_cmd->mode_id)) { ret = -EINVAL; goto out; } - output = idr_find(&dev->mode_config.crtc_idr, mode_cmd.output_id); - if (!output || (output->id != mode_cmd.output_id)) { + output = idr_find(&dev->mode_config.crtc_idr, mode_cmd->output_id); + if (!output || (output->id != mode_cmd->output_id)) { ret = -EINVAL; goto out; } @@ -1867,25 +1834,21 @@ out: int drm_mode_detachmode(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_mode_mode_cmd __user *argp = (void __user *)data; - struct drm_mode_mode_cmd mode_cmd; + struct drm_mode_mode_cmd *mode_cmd = data; struct drm_output *output; struct drm_display_mode *mode; int i, found = 0, ret = 0; - if (copy_from_user(&mode_cmd, argp, sizeof(mode_cmd))) - return -EFAULT; - mutex_lock(&dev->mode_config.mutex); - mode = idr_find(&dev->mode_config.crtc_idr, mode_cmd.mode_id); - if (!mode || (mode->mode_id != mode_cmd.mode_id)) { + mode = idr_find(&dev->mode_config.crtc_idr, mode_cmd->mode_id); + if (!mode || (mode->mode_id != mode_cmd->mode_id)) { ret = -EINVAL; goto out; } - output = idr_find(&dev->mode_config.crtc_idr, mode_cmd.output_id); - if (!output || (output->id != mode_cmd.output_id)) { + output = idr_find(&dev->mode_config.crtc_idr, mode_cmd->output_id); + if (!output || (output->id != mode_cmd->output_id)) { ret = -EINVAL; goto out; } |