From 96df9b11ad8974d7a2a0a589114cbbb04a584f18 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Mon, 3 Dec 2007 13:42:32 +1000 Subject: finish of mode add/remove, just have attach/detach modes --- linux-core/drm_crtc.c | 202 ++++++++++---------------------------------------- 1 file changed, 39 insertions(+), 163 deletions(-) (limited to 'linux-core/drm_crtc.c') diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c index 44268337..26aa5206 100644 --- a/linux-core/drm_crtc.c +++ b/linux-core/drm_crtc.c @@ -579,6 +579,7 @@ struct drm_output *drm_output_create(struct drm_device *dev, strncpy(output->name, name, DRM_OUTPUT_LEN); output->name[DRM_OUTPUT_LEN - 1] = 0; output->subpixel_order = SubPixelUnknown; + INIT_LIST_HEAD(&output->user_modes); INIT_LIST_HEAD(&output->probed_modes); INIT_LIST_HEAD(&output->modes); /* randr_output? */ @@ -620,6 +621,9 @@ void drm_output_destroy(struct drm_output *output) list_for_each_entry_safe(mode, t, &output->modes, head) drm_mode_remove(output, mode); + list_for_each_entry_safe(mode, t, &output->user_modes, head) + drm_mode_remove(output, mode); + mutex_lock(&dev->mode_config.mutex); drm_idr_put(dev, output->id); list_del(&output->head); @@ -718,7 +722,6 @@ void drm_mode_config_init(struct drm_device *dev) INIT_LIST_HEAD(&dev->mode_config.crtc_list); INIT_LIST_HEAD(&dev->mode_config.output_list); INIT_LIST_HEAD(&dev->mode_config.property_list); - INIT_LIST_HEAD(&dev->mode_config.usermode_list); idr_init(&dev->mode_config.crtc_idr); } EXPORT_SYMBOL(drm_mode_config_init); @@ -950,7 +953,6 @@ void drm_mode_config_cleanup(struct drm_device *dev) struct drm_output *output, *ot; struct drm_crtc *crtc, *ct; struct drm_framebuffer *fb, *fbt; - struct drm_display_mode *mode, *mt; struct drm_property *property, *pt; list_for_each_entry_safe(output, ot, &dev->mode_config.output_list, head) { @@ -961,10 +963,6 @@ void drm_mode_config_cleanup(struct drm_device *dev) drm_property_destroy(dev, property); } - list_for_each_entry_safe(mode, mt, &dev->mode_config.usermode_list, head) { - drm_mode_destroy(dev, mode); - } - list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { if (fb->bo->type != drm_bo_type_kernel) drm_framebuffer_destroy(fb); @@ -1324,10 +1322,6 @@ int drm_mode_getoutput(struct drm_device *dev, list_for_each_entry(mode, &output->modes, head) mode_count++; - for (i = 0; i < DRM_OUTPUT_MAX_UMODES; i++) - if (output->user_mode_ids[i] != 0) - mode_count++; - for (i = 0; i < DRM_OUTPUT_MAX_PROPERTY; i++) { if (output->property_ids[i] != 0) { props_count++; @@ -1365,20 +1359,6 @@ int drm_mode_getoutput(struct drm_device *dev, copied++; } - for (i = 0; i < DRM_OUTPUT_MAX_UMODES; i++) { - if (!output->user_mode_ids[i]) - continue; - mode = idr_find(&dev->mode_config.crtc_idr, output->user_mode_ids[i]); - if (mode && (mode->mode_id == output->user_mode_ids[i])) { - drm_crtc_convert_to_umode(&u_mode, mode); - if (copy_to_user(out_resp->modes + copied, - &u_mode, sizeof(u_mode))) { - ret = -EFAULT; - goto out; - } - copied++; - } - } } out_resp->count_modes = mode_count; @@ -1710,49 +1690,14 @@ void drm_fb_release(struct file *filp) /* * */ -void drm_mode_addmode(struct drm_device *dev, struct drm_display_mode *user_mode) -{ - user_mode->type |= DRM_MODE_TYPE_USERDEF; - - user_mode->output_count = 0; - list_add(&user_mode->head, &dev->mode_config.usermode_list); -} -EXPORT_SYMBOL(drm_mode_addmode); - -int drm_mode_rmmode(struct drm_device *dev, struct drm_display_mode *mode) -{ - struct drm_display_mode *t; - int ret = -EINVAL; - list_for_each_entry(t, &dev->mode_config.usermode_list, head) { - if (t == mode) { - list_del(&mode->head); - drm_mode_destroy(dev, mode); - ret = 0; - break; - } - } - return ret; -} -EXPORT_SYMBOL(drm_mode_rmmode); static int drm_mode_attachmode(struct drm_device *dev, struct drm_output *output, struct drm_display_mode *mode) { int ret = 0; - int i; - - for (i = 0; i < DRM_OUTPUT_MAX_UMODES; i++) { - if (output->user_mode_ids[i] == 0) { - output->user_mode_ids[i] = mode->mode_id; - mode->output_count++; - break; - } - } - - if (i == DRM_OUTPUT_MAX_UMODES) - ret = -ENOSPC; + list_add_tail(&mode->head, &output->user_modes); return ret; } @@ -1760,11 +1705,22 @@ int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, struct drm_display_mode *mode) { struct drm_output *output; - + int ret = 0; + struct drm_display_mode *dup_mode; + int need_dup = 0; list_for_each_entry(output, &dev->mode_config.output_list, head) { - if (output->crtc == crtc) - drm_mode_attachmode(dev, output, mode); + if (output->crtc == crtc) { + if (need_dup) + dup_mode = drm_mode_duplicate(dev, mode); + else + dup_mode = mode; + ret = drm_mode_attachmode(dev, output, dup_mode); + if (ret) + return ret; + need_dup = 1; + } } + return 0; } EXPORT_SYMBOL(drm_mode_attachmode_crtc); @@ -1773,13 +1729,15 @@ static int drm_mode_detachmode(struct drm_device *dev, struct drm_display_mode *mode) { int found = 0; - int ret = 0, i; + int ret = 0; + struct drm_display_mode *match_mode, *t; - for (i = 0; i < DRM_OUTPUT_MAX_UMODES; i++) { - if (output->user_mode_ids[i] == mode->mode_id) { - output->user_mode_ids[i] = 0; - mode->output_count--; + list_for_each_entry_safe(match_mode, t, &output->user_modes, head) { + if (drm_mode_equal(match_mode, mode)) { + list_del(&match_mode->head); + drm_mode_destroy(dev, match_mode); found = 1; + break; } } @@ -1800,86 +1758,6 @@ int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mo } EXPORT_SYMBOL(drm_mode_detachmode_crtc); -/** - * drm_fb_addmode - adds a user defined mode - * @inode: inode from the ioctl - * @filp: file * from the ioctl - * @cmd: cmd from ioctl - * @arg: arg from ioctl - * - * Adds a user specified mode to the kernel. - * - * Called by the user via ioctl. - * - * RETURNS: - * writes new mode id into arg. - * Zero on success, errno on failure. - */ -int drm_mode_addmode_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - struct drm_mode_modeinfo *new_mode = data; - struct drm_display_mode *user_mode; - int ret = 0; - - mutex_lock(&dev->mode_config.mutex); - user_mode = drm_mode_create(dev); - if (!user_mode) { - ret = -ENOMEM; - goto out; - } - - drm_crtc_convert_umode(user_mode, new_mode); - - drm_mode_addmode(dev, user_mode); - -out: - mutex_unlock(&dev->mode_config.mutex); - return ret; -} - -/** - * drm_fb_rmmode - removes a user defined mode - * @inode: inode from the ioctl - * @filp: file * from the ioctl - * @cmd: cmd from ioctl - * @arg: arg from ioctl - * - * Remove the user defined mode specified by the user. - * - * Called by the user via ioctl - * - * RETURNS: - * Zero on success, errno on failure. - */ -int drm_mode_rmmode_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - uint32_t *id = data; - struct drm_display_mode *mode; - int ret = -EINVAL; - - mutex_lock(&dev->mode_config.mutex); - mode = idr_find(&dev->mode_config.crtc_idr, *id); - if (!mode || (*id != mode->mode_id)) { - goto out; - } - - if (!(mode->type & DRM_MODE_TYPE_USERDEF)) { - goto out; - } - - if (mode->output_count) { - goto out; - } - - ret = drm_mode_rmmode(dev, mode); - -out: - mutex_unlock(&dev->mode_config.mutex); - return ret; -} - /** * drm_fb_attachmode - Attach a user mode to an output * @inode: inode from the ioctl @@ -1899,21 +1777,24 @@ int drm_mode_attachmode_ioctl(struct drm_device *dev, struct drm_mode_mode_cmd *mode_cmd = data; struct drm_output *output; struct drm_display_mode *mode; + struct drm_mode_modeinfo *umode = &mode_cmd->mode; int ret = 0; 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)) { + output = idr_find(&dev->mode_config.crtc_idr, mode_cmd->output_id); + if (!output || (output->id != mode_cmd->output_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)) { - ret = -EINVAL; + mode = drm_mode_create(dev); + if (!mode) { + ret = -ENOMEM; goto out; } + + drm_crtc_convert_umode(mode, umode); ret = drm_mode_attachmode(dev, output, mode); out: @@ -1939,25 +1820,20 @@ int drm_mode_detachmode_ioctl(struct drm_device *dev, { struct drm_mode_mode_cmd *mode_cmd = data; struct drm_output *output; - struct drm_display_mode *mode; + struct drm_display_mode mode; + struct drm_mode_modeinfo *umode = &mode_cmd->mode; int ret = 0; 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)) { - ret = -EINVAL; - goto out; - } - output = idr_find(&dev->mode_config.crtc_idr, mode_cmd->output_id); if (!output || (output->id != mode_cmd->output_id)) { ret = -EINVAL; goto out; } - - - ret = drm_mode_detachmode(dev, output, mode); + + drm_crtc_convert_umode(&mode, umode); + ret = drm_mode_detachmode(dev, output, &mode); out: mutex_unlock(&dev->mode_config.mutex); return ret; -- cgit v1.2.3