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-rw-r--r--libdrm/xf86drmMode.c33
-rw-r--r--libdrm/xf86drmMode.h16
-rw-r--r--linux-core/drm_crtc.c257
-rw-r--r--linux-core/drm_crtc.h19
-rw-r--r--linux-core/drm_drv.c4
-rw-r--r--shared-core/drm.h12
6 files changed, 312 insertions, 29 deletions
diff --git a/libdrm/xf86drmMode.c b/libdrm/xf86drmMode.c
index b695467b..93b0af76 100644
--- a/libdrm/xf86drmMode.c
+++ b/libdrm/xf86drmMode.c
@@ -376,37 +376,38 @@ err_allocs:
return 0;
}
-#if 0
-uint32_t drmModeNewMode(int fd, struct drm_mode_modeinfo *modeInfo)
+uint32_t drmModeAddMode(int fd, struct drm_mode_modeinfo *mode_info)
{
- /* TODO impl */
+ if (ioctl(fd, DRM_IOCTL_MODE_ADDMODE, mode_info))
+ return 0;
+
+ return mode_info->id;
}
-int drmModeDesMode(int fd, uint32_t modeId)
+int drmModeRmMode(int fd, uint32_t mode_id)
{
- // return ioctl(fd, DRM_IOCTL_MODE_DESMODE, modeId);
+ return ioctl(fd, DRM_IOCTL_MODE_RMMODE, mode_id);
}
-int drmModeAddMode(int fd, uint32_t outputId, uint32_t modeId)
+int drmModeAttachMode(int fd, uint32_t output_id, uint32_t mode_id)
{
- drm_mode_outputmode_t res;
+ struct drm_mode_mode_cmd res;
- res.outputId = outputId;
- res.modeId = modeId;
+ res.output_id = output_id;
+ res.mode_id = mode_id;
- // return ioctl(fd, DRM_IOCTL_MODE_ADDMODE, &res);
+ return ioctl(fd, DRM_IOCTL_MODE_ATTACHMODE, &res);
}
-int drmModeDelMode(int fd, uint32_t outputId, uint32_t modeId)
+int drmModeDetachMode(int fd, uint32_t output_id, uint32_t mode_id)
{
- drm_mode_outputmode_t res;
+ struct drm_mode_mode_cmd res;
- res.outputId = outputId;
- res.modeId = modeId;
+ res.output_id = output_id;
+ res.mode_id = mode_id;
- // return ioctl(fd, DRM_IOCTL_MODE_DELMODE, &res);
+ return ioctl(fd, DRM_IOCTL_MODE_DETACHMODE, &res);
}
-#endif
diff --git a/libdrm/xf86drmMode.h b/libdrm/xf86drmMode.h
index 6aa104a9..60e919ae 100644
--- a/libdrm/xf86drmMode.h
+++ b/libdrm/xf86drmMode.h
@@ -261,24 +261,24 @@ extern drmModeOutputPtr drmModeGetOutput(int fd,
uint32_t outputId);
/**
- * Creates a new mode from the given mode info.
+ * Adds a new mode from the given mode info.
* Name must be unique.
*/
-extern uint32_t drmModeNewMode(int fd, struct drm_mode_modeinfo *modeInfo);
+extern uint32_t drmModeAddMode(int fd, struct drm_mode_modeinfo *modeInfo);
/**
- * Destroys a mode created with CreateMode, must be unused.
+ * Removes a mode created with AddMode, must be unused.
*/
-extern int drmModeDesMode(int fd, uint32_t modeId);
+extern int drmModeRmMode(int fd, uint32_t modeId);
/**
- * Adds the given mode to an output.
+ * Attaches the given mode to an output.
*/
-extern int drmModeAddMode(int fd, uint32_t outputId, uint32_t modeId);
+extern int drmModeAttachMode(int fd, uint32_t outputId, uint32_t modeId);
/**
- * Deletes a mode Added with AddOutputMode from the output,
+ * Detaches a mode from the output
* must be unused, by the given mode.
*/
-extern int drmModeDelMode(int fd, uint32_t outputId, uint32_t modeId);
+extern int drmModeDetachMode(int fd, uint32_t outputId, uint32_t modeId);
diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c
index 16cf62a7..201137db 100644
--- a/linux-core/drm_crtc.c
+++ b/linux-core/drm_crtc.c
@@ -749,6 +749,7 @@ void drm_mode_config_init(drm_device_t *dev)
INIT_LIST_HEAD(&dev->mode_config.fb_list);
INIT_LIST_HEAD(&dev->mode_config.crtc_list);
INIT_LIST_HEAD(&dev->mode_config.output_list);
+ INIT_LIST_HEAD(&dev->mode_config.usermode_list);
idr_init(&dev->mode_config.crtc_idr);
}
EXPORT_SYMBOL(drm_mode_config_init);
@@ -1090,6 +1091,35 @@ void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, struct drm_display
out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
}
+/**
+ * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode
+ * @out: drm_display_mode to return to the user
+ * @in: drm_mode_modeinfo to use
+ *
+ * LOCKING:
+ * None.
+ *
+ * Convert a drmo_mode_modeinfo into a drm_display_mode structure to return to
+ * the caller.
+ */
+void drm_crtc_convert_umode(struct drm_display_mode *out, struct drm_mode_modeinfo *in)
+{
+ out->clock = in->clock;
+ out->hdisplay = in->hdisplay;
+ out->hsync_start = in->hsync_start;
+ out->hsync_end = in->hsync_end;
+ out->htotal = in->htotal;
+ out->hskew = in->hskew;
+ out->vdisplay = in->vdisplay;
+ out->vsync_start = in->vsync_start;
+ out->vsync_end = in->vsync_end;
+ out->vtotal = in->vtotal;
+ out->vscan = in->vscan;
+ out->vrefresh = in->vrefresh;
+ out->flags = in->flags;
+ strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
+ out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
+}
/**
* drm_mode_getresources - get graphics configuration
@@ -1143,6 +1173,8 @@ int drm_mode_getresources(struct inode *inode, struct file *filp,
list_for_each(lh, &output->modes)
mode_count++;
}
+ list_for_each(lh, &dev->mode_config.usermode_list)
+ mode_count++;
if (copy_from_user(&card_res, argp, sizeof(card_res)))
return -EFAULT;
@@ -1155,6 +1187,8 @@ int drm_mode_getresources(struct inode *inode, struct file *filp,
list_for_each(lh, &output->modes)
mode_count++;
}
+ list_for_each(lh, &dev->mode_config.usermode_list)
+ mode_count++;
}
/* handle this in 4 parts */
@@ -1211,6 +1245,14 @@ int drm_mode_getresources(struct inode *inode, struct file *filp,
}
}
}
+ /* 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))) {
+ retcode = -EFAULT;
+ goto done;
+ }
+ }
}
card_res.count_modes = mode_count;
@@ -1312,6 +1354,7 @@ int drm_mode_getoutput(struct inode *inode, struct file *filp,
int mode_count = 0;
int retcode = 0;
int copied = 0;
+ int i;
if (copy_from_user(&out_resp, argp, sizeof(out_resp)))
return -EFAULT;
@@ -1323,6 +1366,10 @@ int drm_mode_getoutput(struct inode *inode, struct file *filp,
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++;
strncpy(out_resp.name, output->name, DRM_OUTPUT_NAME_LEN);
out_resp.name[DRM_OUTPUT_NAME_LEN-1] = 0;
@@ -1344,6 +1391,14 @@ int drm_mode_getoutput(struct inode *inode, struct file *filp,
goto done;
}
}
+ 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++])) {
+ retcode = -EFAULT;
+ goto done;
+ }
+ }
+
}
out_resp.count_modes = mode_count;
@@ -1408,9 +1463,13 @@ int drm_mode_setcrtc(struct inode *inode, struct file *filp,
if (!mode || (mode->mode_id != crtc_req.mode)) {
struct drm_output *output;
- list_for_each_entry(output, &dev->mode_config.output_list, head) {
- list_for_each_entry(mode, &output->modes, head) {
- drm_mode_debug_printmodeline(dev, mode);
+ list_for_each_entry(output,
+ &dev->mode_config.output_list,
+ head) {
+ list_for_each_entry(mode, &output->modes,
+ head) {
+ drm_mode_debug_printmodeline(dev,
+ mode);
}
}
@@ -1650,3 +1709,195 @@ void drm_fb_release(struct file *filp)
}
}
+
+/**
+ * drm_fb_newmode - 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(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg)
+{
+ drm_file_t *priv = filp->private_data;
+ drm_device_t *dev = priv->head->dev;
+ struct drm_mode_modeinfo __user *argp = (void __user *)arg;
+ struct drm_mode_modeinfo new_mode;
+ struct drm_display_mode *user_mode;
+
+ if (copy_from_user(&new_mode, argp, sizeof(new_mode)))
+ return -EFAULT;
+
+ user_mode = drm_mode_create(dev);
+ if (!user_mode)
+ return -ENOMEM;
+
+ drm_crtc_convert_umode(user_mode, &new_mode);
+ user_mode->type |= DRM_MODE_TYPE_USERDEF;
+
+ user_mode->output_count = 0;
+
+ spin_lock(&dev->mode_config.config_lock);
+ list_add(&user_mode->head, &dev->mode_config.usermode_list);
+ spin_unlock(&dev->mode_config.config_lock);
+
+ new_mode.id = user_mode->mode_id;
+ if (copy_to_user(argp, &new_mode, sizeof(new_mode)))
+ return -EFAULT;
+
+ return 0;
+}
+
+/**
+ * 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(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg)
+{
+ drm_file_t *priv = filp->private_data;
+ drm_device_t *dev = priv->head->dev;
+ uint32_t id = arg;
+ struct drm_display_mode *mode, *t;
+ int retcode = -EINVAL;
+
+ mode = idr_find(&dev->mode_config.crtc_idr, id);
+ if (!mode || (id != mode->mode_id))
+ return -EINVAL;
+
+ if (!(mode->type & DRM_MODE_TYPE_USERDEF))
+ return -EINVAL;
+
+ if (mode->output_count)
+ return -EINVAL;
+
+ spin_lock(&dev->mode_config.config_lock);
+ list_for_each_entry(t, &dev->mode_config.usermode_list, head) {
+ if (t == mode) {
+ list_del(&mode->head);
+ drm_mode_destroy(dev, mode);
+ retcode = 0;
+ break;
+ }
+ }
+ spin_unlock(&dev->mode_config.config_lock);
+ return retcode;
+}
+
+/**
+ * drm_fb_attachmode - Attach a user mode to an output
+ * @inode: inode from the ioctl
+ * @filp: file * from the ioctl
+ * @cmd: cmd from ioctl
+ * @arg: arg from ioctl
+ *
+ * This attaches a user specified mode to an output.
+ * Called by the user via ioctl.
+ *
+ * RETURNS:
+ * Zero on success, errno on failure.
+ */
+int drm_mode_attachmode(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg)
+{
+ drm_file_t *priv = filp->private_data;
+ drm_device_t *dev = priv->head->dev;
+ struct drm_mode_mode_cmd __user *argp = (void __user *)arg;
+ struct drm_mode_mode_cmd mode_cmd;
+ struct drm_output *output;
+ struct drm_display_mode *mode;
+ int i;
+
+ if (copy_from_user(&mode_cmd, argp, sizeof(mode_cmd)))
+ return -EFAULT;
+
+ mode = idr_find(&dev->mode_config.crtc_idr, mode_cmd.mode_id);
+ if (!mode || (mode->mode_id != mode_cmd.mode_id))
+ return -EINVAL;
+
+ output = idr_find(&dev->mode_config.crtc_idr, mode_cmd.output_id);
+ if (!output || (output->id != mode_cmd.output_id))
+ return -EINVAL;
+
+ 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)
+ return -ENOSPC;
+
+ return 0;
+}
+
+
+/**
+ * drm_fb_detachmode - Detach a user specified mode from an output
+ * @inode: inode from the ioctl
+ * @filp: file * from the ioctl
+ * @cmd: cmd from ioctl
+ * @arg: arg from ioctl
+ *
+ * Called by the user via ioctl.
+ *
+ * RETURNS:
+ * Zero on success, errno on failure.
+ */
+int drm_mode_detachmode(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg)
+{
+ drm_file_t *priv = filp->private_data;
+ drm_device_t *dev = priv->head->dev;
+ struct drm_mode_mode_cmd __user *argp = (void __user *)arg;
+ struct drm_mode_mode_cmd mode_cmd;
+ struct drm_output *output;
+ struct drm_display_mode *mode;
+ int i, found = 0;
+
+ if (copy_from_user(&mode_cmd, argp, sizeof(mode_cmd)))
+ return -EFAULT;
+
+ mode = idr_find(&dev->mode_config.crtc_idr, mode_cmd.mode_id);
+ if (!mode || (mode->mode_id != mode_cmd.mode_id))
+ return -EINVAL;
+
+ output = idr_find(&dev->mode_config.crtc_idr, mode_cmd.output_id);
+ if (!output || (output->id != mode_cmd.output_id))
+ return -EINVAL;
+
+
+ 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--;
+ found = 1;
+ }
+ }
+
+ if (!found)
+ return -EINVAL;
+
+ return 0;
+}
diff --git a/linux-core/drm_crtc.h b/linux-core/drm_crtc.h
index a15ce0cf..12c7eef1 100644
--- a/linux-core/drm_crtc.h
+++ b/linux-core/drm_crtc.h
@@ -87,6 +87,7 @@ struct drm_display_mode {
struct list_head head;
char name[DRM_DISPLAY_MODE_LEN];
int mode_id;
+ int output_count;
enum drm_mode_status status;
int type;
@@ -382,6 +383,7 @@ struct drm_output_funcs {
void (*cleanup)(struct drm_output *output);
};
+#define DRM_OUTPUT_MAX_UMODES 16
#define DRM_OUTPUT_LEN 32
/**
* drm_output - central DRM output control structure
@@ -417,6 +419,7 @@ struct drm_output {
bool doublescan_allowed;
spinlock_t modes_lock; /* protects modes and probed_modes lists */
struct list_head modes; /* list of modes on this output */
+
/*
OptionInfoPtr options;
XF86ConfMonitorPtr conf_monitor;
@@ -434,7 +437,8 @@ struct drm_output {
char name[DRM_OUTPUT_LEN];
const struct drm_output_funcs *funcs;
void *driver_private;
- /* RROutputPtr randr_output? */
+
+ u32 user_mode_ids[DRM_OUTPUT_MAX_UMODES];
};
/**
@@ -467,6 +471,7 @@ struct drm_mode_config {
int num_crtc;
struct list_head crtc_list;
+ struct list_head usermode_list;
int min_width, min_height;
int max_width, max_height;
/* DamagePtr rotationDamage? */
@@ -480,6 +485,7 @@ struct drm_output *drm_output_create(struct drm_device *dev,
const char *name);
extern void drm_output_destroy(struct drm_output *output);
extern bool drm_output_rename(struct drm_output *output, const char *name);
+extern void drm_fb_release(struct file *filp);
extern int drm_add_edid_modes(struct drm_output *output,
struct i2c_adapter *adapter);
@@ -507,6 +513,8 @@ extern void drm_mode_sort(struct list_head *mode_list);
extern int drm_mode_vrefresh(struct drm_display_mode *mode);
extern void drm_mode_set_crtcinfo(struct drm_display_mode *p,
int adjust_flags);
+extern void drm_mode_output_list_update(struct drm_output *output);
+
extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
extern bool drm_initial_config(struct drm_device *dev, bool cangrow);
extern void drm_framebuffer_set_object(struct drm_device *dev,
@@ -531,5 +539,14 @@ extern int drm_mode_rmfb(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_mode_getfb(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
+extern int drm_mode_addmode(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+extern int drm_mode_rmmode(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+extern int drm_mode_attachmode(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+extern int drm_mode_detachmode(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+
#endif /* __DRM_CRTC_H__ */
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index 5aa7137b..dc52f302 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -130,6 +130,10 @@ static drm_ioctl_desc_t drm_ioctls[] = {
[DRM_IOCTL_NR(DRM_IOCTL_MODE_ADDFB)] = {drm_mode_addfb, DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_IOCTL_MODE_RMFB)] = {drm_mode_rmfb, DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_IOCTL_MODE_GETFB)] = {drm_mode_getfb, DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_MODE_ADDMODE)] = {drm_mode_addmode, DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_MODE_RMMODE)] = {drm_mode_rmmode, DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_MODE_ATTACHMODE)] = {drm_mode_attachmode, DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_MODE_DETACHMODE)] = {drm_mode_detachmode, DRM_MASTER|DRM_ROOT_ONLY},
};
#define DRM_CORE_IOCTL_COUNT ARRAY_SIZE( drm_ioctls )
diff --git a/shared-core/drm.h b/shared-core/drm.h
index d42bf73a..890dcf88 100644
--- a/shared-core/drm.h
+++ b/shared-core/drm.h
@@ -978,6 +978,11 @@ struct drm_mode_fb_cmd {
unsigned int depth;
};
+struct drm_mode_mode_cmd {
+ unsigned int output_id;
+ unsigned int mode_id;
+};
+
/**
* \name Ioctls Definitions
*/
@@ -1055,7 +1060,12 @@ struct drm_mode_fb_cmd {
#define DRM_IOCTL_MODE_SETCRTC DRM_IOWR(0xA3, struct drm_mode_crtc)
#define DRM_IOCTL_MODE_ADDFB DRM_IOWR(0xA4, struct drm_mode_fb_cmd)
#define DRM_IOCTL_MODE_RMFB DRM_IOWR(0xA5, unsigned int)
-#define DRM_IOCTL_MODE_GETFB DRM_IOWR(0xA6, struct drm_mode_fb_cmd)
+#define DRM_IOCTL_MODE_GETFB DRM_IOWR(0xA6, struct drm_mode_fb_cmd)
+
+#define DRM_IOCTL_MODE_ADDMODE DRM_IOWR(0xA7, struct drm_mode_modeinfo)
+#define DRM_IOCTL_MODE_RMMODE DRM_IOWR(0xA8, unsigned int)
+#define DRM_IOCTL_MODE_ATTACHMODE DRM_IOWR(0xA9, struct drm_mode_mode_cmd)
+#define DRM_IOCTL_MODE_DETACHMODE DRM_IOWR(0xAA, struct drm_mode_mode_cmd)
/*@}*/
/**
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 03:32:55 +0000