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Regard whitespace Rev 3030 → Rev 3031

/drivers/video/drm/drm_crtc.c
31,16 → 31,12
*/
#include <linux/list.h>
#include <linux/slab.h>
#include "drm.h"
#include "drmP.h"
#include "drm_crtc.h"
#include "drm_edid.h"
#include <linux/export.h>
#include <drm/drmP.h>
#include <drm/drm_crtc.h>
#include <drm/drm_edid.h>
#include <drm/drm_fourcc.h>
 
struct drm_prop_enum_list {
int type;
char *name;
};
 
/* Avoid boilerplate. I'm tired of typing. */
#define DRM_ENUM_NAME_FN(fnname, list) \
char *fnname(int val) \
162,6 → 158,7
{ DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 },
{ DRM_MODE_CONNECTOR_TV, "TV", 0 },
{ DRM_MODE_CONNECTOR_eDP, "eDP", 0 },
{ DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0},
};
 
static struct drm_prop_enum_list drm_encoder_enum_list[] =
170,6 → 167,7
{ DRM_MODE_ENCODER_TMDS, "TMDS" },
{ DRM_MODE_ENCODER_LVDS, "LVDS" },
{ DRM_MODE_ENCODER_TVDAC, "TV" },
{ DRM_MODE_ENCODER_VIRTUAL, "Virtual" },
};
 
char *drm_get_encoder_name(struct drm_encoder *encoder)
228,7 → 226,7
again:
if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) {
DRM_ERROR("Ran out memory getting a mode number\n");
return -EINVAL;
return -ENOMEM;
}
 
mutex_lock(&dev->mode_config.idr_mutex);
236,6 → 234,8
mutex_unlock(&dev->mode_config.idr_mutex);
if (ret == -EAGAIN)
goto again;
else if (ret)
return ret;
 
obj->id = new_id;
obj->type = obj_type;
294,9 → 294,8
int ret;
 
ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB);
if (ret) {
if (ret)
return ret;
}
 
fb->dev = dev;
fb->funcs = funcs;
320,23 → 319,13
void drm_framebuffer_cleanup(struct drm_framebuffer *fb)
{
struct drm_device *dev = fb->dev;
struct drm_crtc *crtc;
struct drm_mode_set set;
int ret;
 
/* remove from any CRTC */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
if (crtc->fb == fb) {
/* should turn off the crtc */
memset(&set, 0, sizeof(struct drm_mode_set));
set.crtc = crtc;
set.fb = NULL;
ret = crtc->funcs->set_config(&set);
if (ret)
DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc);
}
}
 
/*
* This could be moved to drm_framebuffer_remove(), but for
* debugging is nice to keep around the list of fb's that are
* no longer associated w/ a drm_file but are not unreferenced
* yet. (i915 and omapdrm have debugfs files which will show
* this.)
*/
drm_mode_object_put(dev, &fb->base);
list_del(&fb->head);
dev->mode_config.num_fb--;
343,6 → 332,10
}
EXPORT_SYMBOL(drm_framebuffer_cleanup);
 
 
 
 
 
/**
* drm_crtc_init - Initialise a new CRTC object
* @dev: DRM device
350,22 → 343,37
* @funcs: callbacks for the new CRTC
*
* LOCKING:
* Caller must hold mode config lock.
* Takes mode_config lock.
*
* Inits a new object created as base part of an driver crtc object.
*
* RETURNS:
* Zero on success, error code on failure.
*/
void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
const struct drm_crtc_funcs *funcs)
{
int ret;
 
crtc->dev = dev;
crtc->funcs = funcs;
crtc->invert_dimensions = false;
 
mutex_lock(&dev->mode_config.mutex);
drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
 
ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
if (ret)
goto out;
 
crtc->base.properties = &crtc->properties;
 
list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
dev->mode_config.num_crtc++;
 
out:
mutex_unlock(&dev->mode_config.mutex);
 
return ret;
}
EXPORT_SYMBOL(drm_crtc_init);
 
425,7 → 433,7
struct drm_display_mode *mode)
{
list_del(&mode->head);
kfree(mode);
drm_mode_destroy(connector->dev, mode);
}
EXPORT_SYMBOL(drm_mode_remove);
 
437,21 → 445,30
* @name: user visible name of the connector
*
* LOCKING:
* Caller must hold @dev's mode_config lock.
* Takes mode config lock.
*
* Initialises a preallocated connector. Connectors should be
* subclassed as part of driver connector objects.
*
* RETURNS:
* Zero on success, error code on failure.
*/
void drm_connector_init(struct drm_device *dev,
int drm_connector_init(struct drm_device *dev,
struct drm_connector *connector,
const struct drm_connector_funcs *funcs,
int connector_type)
{
int ret;
 
mutex_lock(&dev->mode_config.mutex);
 
ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR);
if (ret)
goto out;
 
connector->base.properties = &connector->properties;
connector->dev = dev;
connector->funcs = funcs;
drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR);
connector->connector_type = connector_type;
connector->connector_type_id =
++drm_connector_enum_list[connector_type].count; /* TODO */
463,13 → 480,18
list_add_tail(&connector->head, &dev->mode_config.connector_list);
dev->mode_config.num_connector++;
 
if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL)
drm_connector_attach_property(connector,
dev->mode_config.edid_property, 0);
dev->mode_config.edid_property,
0);
 
drm_connector_attach_property(connector,
dev->mode_config.dpms_property, 0);
 
out:
mutex_unlock(&dev->mode_config.mutex);
 
return ret;
}
EXPORT_SYMBOL(drm_connector_init);
 
478,7 → 500,7
* @connector: connector to cleanup
*
* LOCKING:
* Caller must hold @dev's mode_config lock.
* Takes mode config lock.
*
* Cleans up the connector but doesn't free the object.
*/
504,16 → 526,31
}
EXPORT_SYMBOL(drm_connector_cleanup);
 
void drm_encoder_init(struct drm_device *dev,
void drm_connector_unplug_all(struct drm_device *dev)
{
struct drm_connector *connector;
 
/* taking the mode config mutex ends up in a clash with sysfs */
// list_for_each_entry(connector, &dev->mode_config.connector_list, head)
// drm_sysfs_connector_remove(connector);
 
}
EXPORT_SYMBOL(drm_connector_unplug_all);
 
int drm_encoder_init(struct drm_device *dev,
struct drm_encoder *encoder,
const struct drm_encoder_funcs *funcs,
int encoder_type)
{
int ret;
 
mutex_lock(&dev->mode_config.mutex);
 
ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER);
if (ret)
goto out;
 
encoder->dev = dev;
 
drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER);
encoder->encoder_type = encoder_type;
encoder->funcs = funcs;
 
520,7 → 557,10
list_add_tail(&encoder->head, &dev->mode_config.encoder_list);
dev->mode_config.num_encoder++;
 
out:
mutex_unlock(&dev->mode_config.mutex);
 
return ret;
}
EXPORT_SYMBOL(drm_encoder_init);
 
535,6 → 575,70
}
EXPORT_SYMBOL(drm_encoder_cleanup);
 
int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
unsigned long possible_crtcs,
const struct drm_plane_funcs *funcs,
const uint32_t *formats, uint32_t format_count,
bool priv)
{
int ret;
 
mutex_lock(&dev->mode_config.mutex);
 
ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE);
if (ret)
goto out;
 
plane->base.properties = &plane->properties;
plane->dev = dev;
plane->funcs = funcs;
plane->format_types = kmalloc(sizeof(uint32_t) * format_count,
GFP_KERNEL);
if (!plane->format_types) {
DRM_DEBUG_KMS("out of memory when allocating plane\n");
drm_mode_object_put(dev, &plane->base);
ret = -ENOMEM;
goto out;
}
 
memcpy(plane->format_types, formats, format_count * sizeof(uint32_t));
plane->format_count = format_count;
plane->possible_crtcs = possible_crtcs;
 
/* private planes are not exposed to userspace, but depending on
* display hardware, might be convenient to allow sharing programming
* for the scanout engine with the crtc implementation.
*/
if (!priv) {
list_add_tail(&plane->head, &dev->mode_config.plane_list);
dev->mode_config.num_plane++;
} else {
INIT_LIST_HEAD(&plane->head);
}
 
out:
mutex_unlock(&dev->mode_config.mutex);
 
return ret;
}
EXPORT_SYMBOL(drm_plane_init);
 
void drm_plane_cleanup(struct drm_plane *plane)
{
struct drm_device *dev = plane->dev;
 
mutex_lock(&dev->mode_config.mutex);
kfree(plane->format_types);
drm_mode_object_put(dev, &plane->base);
/* if not added to a list, it must be a private plane */
if (!list_empty(&plane->head)) {
list_del(&plane->head);
dev->mode_config.num_plane--;
}
mutex_unlock(&dev->mode_config.mutex);
}
EXPORT_SYMBOL(drm_plane_cleanup);
 
/**
* drm_mode_create - create a new display mode
* @dev: DRM device
555,7 → 659,11
if (!nmode)
return NULL;
 
drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE);
if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) {
kfree(nmode);
return NULL;
}
 
return nmode;
}
EXPORT_SYMBOL(drm_mode_create);
572,6 → 680,9
*/
void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode)
{
if (!mode)
return;
 
drm_mode_object_put(dev, &mode->base);
 
kfree(mode);
582,7 → 693,6
{
struct drm_property *edid;
struct drm_property *dpms;
int i;
 
/*
* Standard properties (apply to all connectors)
592,11 → 702,9
"EDID", 0);
dev->mode_config.edid_property = edid;
 
dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM,
"DPMS", ARRAY_SIZE(drm_dpms_enum_list));
for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++)
drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type,
drm_dpms_enum_list[i].name);
dpms = drm_property_create_enum(dev, 0,
"DPMS", drm_dpms_enum_list,
ARRAY_SIZE(drm_dpms_enum_list));
dev->mode_config.dpms_property = dpms;
 
return 0;
612,30 → 720,21
{
struct drm_property *dvi_i_selector;
struct drm_property *dvi_i_subconnector;
int i;
 
if (dev->mode_config.dvi_i_select_subconnector_property)
return 0;
 
dvi_i_selector =
drm_property_create(dev, DRM_MODE_PROP_ENUM,
drm_property_create_enum(dev, 0,
"select subconnector",
drm_dvi_i_select_enum_list,
ARRAY_SIZE(drm_dvi_i_select_enum_list));
for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++)
drm_property_add_enum(dvi_i_selector, i,
drm_dvi_i_select_enum_list[i].type,
drm_dvi_i_select_enum_list[i].name);
dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector;
 
dvi_i_subconnector =
drm_property_create(dev, DRM_MODE_PROP_ENUM |
DRM_MODE_PROP_IMMUTABLE,
dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE,
"subconnector",
drm_dvi_i_subconnector_enum_list,
ARRAY_SIZE(drm_dvi_i_subconnector_enum_list));
for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++)
drm_property_add_enum(dvi_i_subconnector, i,
drm_dvi_i_subconnector_enum_list[i].type,
drm_dvi_i_subconnector_enum_list[i].name);
dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector;
 
return 0;
666,23 → 765,17
/*
* Basic connector properties
*/
tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM,
tv_selector = drm_property_create_enum(dev, 0,
"select subconnector",
drm_tv_select_enum_list,
ARRAY_SIZE(drm_tv_select_enum_list));
for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++)
drm_property_add_enum(tv_selector, i,
drm_tv_select_enum_list[i].type,
drm_tv_select_enum_list[i].name);
dev->mode_config.tv_select_subconnector_property = tv_selector;
 
tv_subconnector =
drm_property_create(dev, DRM_MODE_PROP_ENUM |
DRM_MODE_PROP_IMMUTABLE, "subconnector",
drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE,
"subconnector",
drm_tv_subconnector_enum_list,
ARRAY_SIZE(drm_tv_subconnector_enum_list));
for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++)
drm_property_add_enum(tv_subconnector, i,
drm_tv_subconnector_enum_list[i].type,
drm_tv_subconnector_enum_list[i].name);
dev->mode_config.tv_subconnector_property = tv_subconnector;
 
/*
689,28 → 782,16
* Other, TV specific properties: margins & TV modes.
*/
dev->mode_config.tv_left_margin_property =
drm_property_create(dev, DRM_MODE_PROP_RANGE,
"left margin", 2);
dev->mode_config.tv_left_margin_property->values[0] = 0;
dev->mode_config.tv_left_margin_property->values[1] = 100;
drm_property_create_range(dev, 0, "left margin", 0, 100);
 
dev->mode_config.tv_right_margin_property =
drm_property_create(dev, DRM_MODE_PROP_RANGE,
"right margin", 2);
dev->mode_config.tv_right_margin_property->values[0] = 0;
dev->mode_config.tv_right_margin_property->values[1] = 100;
drm_property_create_range(dev, 0, "right margin", 0, 100);
 
dev->mode_config.tv_top_margin_property =
drm_property_create(dev, DRM_MODE_PROP_RANGE,
"top margin", 2);
dev->mode_config.tv_top_margin_property->values[0] = 0;
dev->mode_config.tv_top_margin_property->values[1] = 100;
drm_property_create_range(dev, 0, "top margin", 0, 100);
 
dev->mode_config.tv_bottom_margin_property =
drm_property_create(dev, DRM_MODE_PROP_RANGE,
"bottom margin", 2);
dev->mode_config.tv_bottom_margin_property->values[0] = 0;
dev->mode_config.tv_bottom_margin_property->values[1] = 100;
drm_property_create_range(dev, 0, "bottom margin", 0, 100);
 
dev->mode_config.tv_mode_property =
drm_property_create(dev, DRM_MODE_PROP_ENUM,
720,40 → 801,22
i, modes[i]);
 
dev->mode_config.tv_brightness_property =
drm_property_create(dev, DRM_MODE_PROP_RANGE,
"brightness", 2);
dev->mode_config.tv_brightness_property->values[0] = 0;
dev->mode_config.tv_brightness_property->values[1] = 100;
drm_property_create_range(dev, 0, "brightness", 0, 100);
 
dev->mode_config.tv_contrast_property =
drm_property_create(dev, DRM_MODE_PROP_RANGE,
"contrast", 2);
dev->mode_config.tv_contrast_property->values[0] = 0;
dev->mode_config.tv_contrast_property->values[1] = 100;
drm_property_create_range(dev, 0, "contrast", 0, 100);
 
dev->mode_config.tv_flicker_reduction_property =
drm_property_create(dev, DRM_MODE_PROP_RANGE,
"flicker reduction", 2);
dev->mode_config.tv_flicker_reduction_property->values[0] = 0;
dev->mode_config.tv_flicker_reduction_property->values[1] = 100;
drm_property_create_range(dev, 0, "flicker reduction", 0, 100);
 
dev->mode_config.tv_overscan_property =
drm_property_create(dev, DRM_MODE_PROP_RANGE,
"overscan", 2);
dev->mode_config.tv_overscan_property->values[0] = 0;
dev->mode_config.tv_overscan_property->values[1] = 100;
drm_property_create_range(dev, 0, "overscan", 0, 100);
 
dev->mode_config.tv_saturation_property =
drm_property_create(dev, DRM_MODE_PROP_RANGE,
"saturation", 2);
dev->mode_config.tv_saturation_property->values[0] = 0;
dev->mode_config.tv_saturation_property->values[1] = 100;
drm_property_create_range(dev, 0, "saturation", 0, 100);
 
dev->mode_config.tv_hue_property =
drm_property_create(dev, DRM_MODE_PROP_RANGE,
"hue", 2);
dev->mode_config.tv_hue_property->values[0] = 0;
dev->mode_config.tv_hue_property->values[1] = 100;
drm_property_create_range(dev, 0, "hue", 0, 100);
 
return 0;
}
769,18 → 832,14
int drm_mode_create_scaling_mode_property(struct drm_device *dev)
{
struct drm_property *scaling_mode;
int i;
 
if (dev->mode_config.scaling_mode_property)
return 0;
 
scaling_mode =
drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode",
drm_property_create_enum(dev, 0, "scaling mode",
drm_scaling_mode_enum_list,
ARRAY_SIZE(drm_scaling_mode_enum_list));
for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++)
drm_property_add_enum(scaling_mode, i,
drm_scaling_mode_enum_list[i].type,
drm_scaling_mode_enum_list[i].name);
 
dev->mode_config.scaling_mode_property = scaling_mode;
 
798,18 → 857,14
int drm_mode_create_dithering_property(struct drm_device *dev)
{
struct drm_property *dithering_mode;
int i;
 
if (dev->mode_config.dithering_mode_property)
return 0;
 
dithering_mode =
drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering",
drm_property_create_enum(dev, 0, "dithering",
drm_dithering_mode_enum_list,
ARRAY_SIZE(drm_dithering_mode_enum_list));
for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++)
drm_property_add_enum(dithering_mode, i,
drm_dithering_mode_enum_list[i].type,
drm_dithering_mode_enum_list[i].name);
dev->mode_config.dithering_mode_property = dithering_mode;
 
return 0;
826,20 → 881,15
int drm_mode_create_dirty_info_property(struct drm_device *dev)
{
struct drm_property *dirty_info;
int i;
 
if (dev->mode_config.dirty_info_property)
return 0;
 
dirty_info =
drm_property_create(dev, DRM_MODE_PROP_ENUM |
DRM_MODE_PROP_IMMUTABLE,
drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE,
"dirty",
drm_dirty_info_enum_list,
ARRAY_SIZE(drm_dirty_info_enum_list));
for (i = 0; i < ARRAY_SIZE(drm_dirty_info_enum_list); i++)
drm_property_add_enum(dirty_info, i,
drm_dirty_info_enum_list[i].type,
drm_dirty_info_enum_list[i].name);
dev->mode_config.dirty_info_property = dirty_info;
 
return 0;
866,6 → 916,7
INIT_LIST_HEAD(&dev->mode_config.encoder_list);
INIT_LIST_HEAD(&dev->mode_config.property_list);
INIT_LIST_HEAD(&dev->mode_config.property_blob_list);
INIT_LIST_HEAD(&dev->mode_config.plane_list);
idr_init(&dev->mode_config.crtc_idr);
 
mutex_lock(&dev->mode_config.mutex);
922,6 → 973,7
 
return 0;
}
EXPORT_SYMBOL(drm_mode_group_init_legacy_group);
 
/**
* drm_mode_config_cleanup - free up DRM mode_config info
942,6 → 994,7
struct drm_encoder *encoder, *enct;
struct drm_framebuffer *fb, *fbt;
struct drm_property *property, *pt;
struct drm_plane *plane, *plt;
 
list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list,
head) {
958,8 → 1011,9
drm_property_destroy(dev, property);
}
 
list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
fb->funcs->destroy(fb);
list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list,
head) {
plane->funcs->destroy(plane);
}
 
list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) {
966,6 → 1020,8
crtc->funcs->destroy(crtc);
}
 
idr_remove_all(&dev->mode_config.crtc_idr);
idr_destroy(&dev->mode_config.crtc_idr);
}
EXPORT_SYMBOL(drm_mode_config_cleanup);
 
980,9 → 1036,16
* Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
* the user.
*/
void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out,
struct drm_display_mode *in)
static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out,
const struct drm_display_mode *in)
{
WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX ||
in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX ||
in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX ||
in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX ||
in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX,
"timing values too large for mode info\n");
 
out->clock = in->clock;
out->hdisplay = in->hdisplay;
out->hsync_start = in->hsync_start;
1011,10 → 1074,16
*
* Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
* the caller.
*
* RETURNS:
* Zero on success, errno on failure.
*/
void drm_crtc_convert_umode(struct drm_display_mode *out,
struct drm_mode_modeinfo *in)
static int drm_crtc_convert_umode(struct drm_display_mode *out,
const struct drm_mode_modeinfo *in)
{
if (in->clock > INT_MAX || in->vrefresh > INT_MAX)
return -ERANGE;
 
out->clock = in->clock;
out->hdisplay = in->hdisplay;
out->hsync_start = in->hsync_start;
1031,6 → 1100,8
out->type = in->type;
strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
 
return 0;
}
 
 
1231,7 → 1302,7
* @arg: arg from ioctl
*
* LOCKING:
* Caller? (FIXME)
* Takes mode config lock.
*
* Construct a CRTC configuration structure to return to the user.
*
1291,7 → 1362,7
* @arg: arg from ioctl
*
* LOCKING:
* Caller? (FIXME)
* Takes mode config lock.
*
* Construct a connector configuration structure to return to the user.
*
1336,11 → 1407,7
}
connector = obj_to_connector(obj);
 
for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
if (connector->property_ids[i] != 0) {
props_count++;
}
}
props_count = connector->properties.count;
 
for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
if (connector->encoder_ids[i] != 0) {
1376,7 → 1443,7
*/
if ((out_resp->count_modes >= mode_count) && mode_count) {
copied = 0;
mode_ptr = (struct drm_mode_modeinfo *)(unsigned long)out_resp->modes_ptr;
mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr;
list_for_each_entry(mode, &connector->modes, head) {
drm_crtc_convert_to_umode(&u_mode, mode);
if (copy_to_user(mode_ptr + copied,
1391,17 → 1458,16
 
if ((out_resp->count_props >= props_count) && props_count) {
copied = 0;
prop_ptr = (uint32_t *)(unsigned long)(out_resp->props_ptr);
prop_values = (uint64_t *)(unsigned long)(out_resp->prop_values_ptr);
for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
if (connector->property_ids[i] != 0) {
if (put_user(connector->property_ids[i],
prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr);
prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr);
for (i = 0; i < connector->properties.count; i++) {
if (put_user(connector->properties.ids[i],
prop_ptr + copied)) {
ret = -EFAULT;
goto out;
}
 
if (put_user(connector->property_values[i],
if (put_user(connector->properties.values[i],
prop_values + copied)) {
ret = -EFAULT;
goto out;
1409,12 → 1475,11
copied++;
}
}
}
out_resp->count_props = props_count;
 
if ((out_resp->count_encoders >= encoders_count) && encoders_count) {
copied = 0;
encoder_ptr = (uint32_t *)(unsigned long)(out_resp->encoders_ptr);
encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr);
for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
if (connector->encoder_ids[i] != 0) {
if (put_user(connector->encoder_ids[i],
1468,6 → 1533,254
}
 
/**
* drm_mode_getplane_res - get plane info
* @dev: DRM device
* @data: ioctl data
* @file_priv: DRM file info
*
* LOCKING:
* Takes mode config lock.
*
* Return an plane count and set of IDs.
*/
int drm_mode_getplane_res(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_mode_get_plane_res *plane_resp = data;
struct drm_mode_config *config;
struct drm_plane *plane;
uint32_t __user *plane_ptr;
int copied = 0, ret = 0;
 
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
 
mutex_lock(&dev->mode_config.mutex);
config = &dev->mode_config;
 
/*
* This ioctl is called twice, once to determine how much space is
* needed, and the 2nd time to fill it.
*/
if (config->num_plane &&
(plane_resp->count_planes >= config->num_plane)) {
plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr;
 
list_for_each_entry(plane, &config->plane_list, head) {
if (put_user(plane->base.id, plane_ptr + copied)) {
ret = -EFAULT;
goto out;
}
copied++;
}
}
plane_resp->count_planes = config->num_plane;
 
out:
mutex_unlock(&dev->mode_config.mutex);
return ret;
}
 
/**
* drm_mode_getplane - get plane info
* @dev: DRM device
* @data: ioctl data
* @file_priv: DRM file info
*
* LOCKING:
* Takes mode config lock.
*
* Return plane info, including formats supported, gamma size, any
* current fb, etc.
*/
int drm_mode_getplane(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_mode_get_plane *plane_resp = data;
struct drm_mode_object *obj;
struct drm_plane *plane;
uint32_t __user *format_ptr;
int ret = 0;
 
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
 
mutex_lock(&dev->mode_config.mutex);
obj = drm_mode_object_find(dev, plane_resp->plane_id,
DRM_MODE_OBJECT_PLANE);
if (!obj) {
ret = -ENOENT;
goto out;
}
plane = obj_to_plane(obj);
 
if (plane->crtc)
plane_resp->crtc_id = plane->crtc->base.id;
else
plane_resp->crtc_id = 0;
 
if (plane->fb)
plane_resp->fb_id = plane->fb->base.id;
else
plane_resp->fb_id = 0;
 
plane_resp->plane_id = plane->base.id;
plane_resp->possible_crtcs = plane->possible_crtcs;
plane_resp->gamma_size = plane->gamma_size;
 
/*
* This ioctl is called twice, once to determine how much space is
* needed, and the 2nd time to fill it.
*/
if (plane->format_count &&
(plane_resp->count_format_types >= plane->format_count)) {
format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr;
if (copy_to_user(format_ptr,
plane->format_types,
sizeof(uint32_t) * plane->format_count)) {
ret = -EFAULT;
goto out;
}
}
plane_resp->count_format_types = plane->format_count;
 
out:
mutex_unlock(&dev->mode_config.mutex);
return ret;
}
 
/**
* drm_mode_setplane - set up or tear down an plane
* @dev: DRM device
* @data: ioctl data*
* @file_prive: DRM file info
*
* LOCKING:
* Takes mode config lock.
*
* Set plane info, including placement, fb, scaling, and other factors.
* Or pass a NULL fb to disable.
*/
int drm_mode_setplane(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_mode_set_plane *plane_req = data;
struct drm_mode_object *obj;
struct drm_plane *plane;
struct drm_crtc *crtc;
struct drm_framebuffer *fb;
int ret = 0;
unsigned int fb_width, fb_height;
int i;
 
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
 
mutex_lock(&dev->mode_config.mutex);
 
/*
* First, find the plane, crtc, and fb objects. If not available,
* we don't bother to call the driver.
*/
obj = drm_mode_object_find(dev, plane_req->plane_id,
DRM_MODE_OBJECT_PLANE);
if (!obj) {
DRM_DEBUG_KMS("Unknown plane ID %d\n",
plane_req->plane_id);
ret = -ENOENT;
goto out;
}
plane = obj_to_plane(obj);
 
/* No fb means shut it down */
if (!plane_req->fb_id) {
plane->funcs->disable_plane(plane);
plane->crtc = NULL;
plane->fb = NULL;
goto out;
}
 
obj = drm_mode_object_find(dev, plane_req->crtc_id,
DRM_MODE_OBJECT_CRTC);
if (!obj) {
DRM_DEBUG_KMS("Unknown crtc ID %d\n",
plane_req->crtc_id);
ret = -ENOENT;
goto out;
}
crtc = obj_to_crtc(obj);
 
obj = drm_mode_object_find(dev, plane_req->fb_id,
DRM_MODE_OBJECT_FB);
if (!obj) {
DRM_DEBUG_KMS("Unknown framebuffer ID %d\n",
plane_req->fb_id);
ret = -ENOENT;
goto out;
}
fb = obj_to_fb(obj);
 
/* Check whether this plane supports the fb pixel format. */
for (i = 0; i < plane->format_count; i++)
if (fb->pixel_format == plane->format_types[i])
break;
if (i == plane->format_count) {
DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format);
ret = -EINVAL;
goto out;
}
 
fb_width = fb->width << 16;
fb_height = fb->height << 16;
 
/* Make sure source coordinates are inside the fb. */
if (plane_req->src_w > fb_width ||
plane_req->src_x > fb_width - plane_req->src_w ||
plane_req->src_h > fb_height ||
plane_req->src_y > fb_height - plane_req->src_h) {
DRM_DEBUG_KMS("Invalid source coordinates "
"%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
plane_req->src_w >> 16,
((plane_req->src_w & 0xffff) * 15625) >> 10,
plane_req->src_h >> 16,
((plane_req->src_h & 0xffff) * 15625) >> 10,
plane_req->src_x >> 16,
((plane_req->src_x & 0xffff) * 15625) >> 10,
plane_req->src_y >> 16,
((plane_req->src_y & 0xffff) * 15625) >> 10);
ret = -ENOSPC;
goto out;
}
 
/* Give drivers some help against integer overflows */
if (plane_req->crtc_w > INT_MAX ||
plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w ||
plane_req->crtc_h > INT_MAX ||
plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) {
DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n",
plane_req->crtc_w, plane_req->crtc_h,
plane_req->crtc_x, plane_req->crtc_y);
ret = -ERANGE;
goto out;
}
 
ret = plane->funcs->update_plane(plane, crtc, fb,
plane_req->crtc_x, plane_req->crtc_y,
plane_req->crtc_w, plane_req->crtc_h,
plane_req->src_x, plane_req->src_y,
plane_req->src_w, plane_req->src_h);
if (!ret) {
plane->crtc = crtc;
plane->fb = fb;
}
 
out:
mutex_unlock(&dev->mode_config.mutex);
 
return ret;
}
 
/**
* drm_mode_setcrtc - set CRTC configuration
* @inode: inode from the ioctl
* @filp: file * from the ioctl
1475,7 → 1788,7
* @arg: arg from ioctl
*
* LOCKING:
* Caller? (FIXME)
* Takes mode config lock.
*
* Build a new CRTC configuration based on user request.
*
1490,18 → 1803,22
struct drm_mode_config *config = &dev->mode_config;
struct drm_mode_crtc *crtc_req = data;
struct drm_mode_object *obj;
struct drm_crtc *crtc, *crtcfb;
struct drm_crtc *crtc;
struct drm_connector **connector_set = NULL, *connector;
struct drm_framebuffer *fb = NULL;
struct drm_display_mode *mode = NULL;
struct drm_mode_set set;
uint32_t __user *set_connectors_ptr;
int ret = 0;
int ret;
int i;
 
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
 
/* For some reason crtc x/y offsets are signed internally. */
if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX)
return -ERANGE;
 
mutex_lock(&dev->mode_config.mutex);
obj = drm_mode_object_find(dev, crtc_req->crtc_id,
DRM_MODE_OBJECT_CRTC);
1514,17 → 1831,16
DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
 
if (crtc_req->mode_valid) {
int hdisplay, vdisplay;
/* If we have a mode we need a framebuffer. */
/* If we pass -1, set the mode with the currently bound fb */
if (crtc_req->fb_id == -1) {
list_for_each_entry(crtcfb,
&dev->mode_config.crtc_list, head) {
if (crtcfb == crtc) {
DRM_DEBUG_KMS("Using current fb for "
"setmode\n");
if (!crtc->fb) {
DRM_DEBUG_KMS("CRTC doesn't have current FB\n");
ret = -EINVAL;
goto out;
}
fb = crtc->fb;
}
}
} else {
obj = drm_mode_object_find(dev, crtc_req->fb_id,
DRM_MODE_OBJECT_FB);
1538,9 → 1854,37
}
 
mode = drm_mode_create(dev);
drm_crtc_convert_umode(mode, &crtc_req->mode);
if (!mode) {
ret = -ENOMEM;
goto out;
}
 
ret = drm_crtc_convert_umode(mode, &crtc_req->mode);
if (ret) {
DRM_DEBUG_KMS("Invalid mode\n");
goto out;
}
 
drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
 
hdisplay = mode->hdisplay;
vdisplay = mode->vdisplay;
 
if (crtc->invert_dimensions)
swap(hdisplay, vdisplay);
 
if (hdisplay > fb->width ||
vdisplay > fb->height ||
crtc_req->x > fb->width - hdisplay ||
crtc_req->y > fb->height - vdisplay) {
DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n",
fb->width, fb->height,
hdisplay, vdisplay, crtc_req->x, crtc_req->y,
crtc->invert_dimensions ? " (inverted)" : "");
ret = -ENOSPC;
goto out;
}
}
 
if (crtc_req->count_connectors == 0 && mode) {
DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
1573,7 → 1917,7
}
 
for (i = 0; i < crtc_req->count_connectors; i++) {
set_connectors_ptr = (uint32_t *)(unsigned long)crtc_req->set_connectors_ptr;
set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr;
if (get_user(out_id, &set_connectors_ptr[i])) {
ret = -EFAULT;
goto out;
1607,6 → 1951,7
 
out:
kfree(connector_set);
drm_mode_destroy(dev, mode);
mutex_unlock(&dev->mode_config.mutex);
return ret;
}
1622,10 → 1967,8
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
 
if (!req->flags) {
DRM_ERROR("no operation set\n");
if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags))
return -EINVAL;
}
 
mutex_lock(&dev->mode_config.mutex);
obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC);
1638,7 → 1981,6
 
if (req->flags & DRM_MODE_CURSOR_BO) {
if (!crtc->funcs->cursor_set) {
DRM_ERROR("crtc does not support cursor\n");
ret = -ENXIO;
goto out;
}
1651,7 → 1993,6
if (crtc->funcs->cursor_move) {
ret = crtc->funcs->cursor_move(crtc, req->x, req->y);
} else {
DRM_ERROR("crtc does not support cursor\n");
ret = -EFAULT;
goto out;
}
1660,7 → 2001,43
mutex_unlock(&dev->mode_config.mutex);
return ret;
}
#endif
/* Original addfb only supported RGB formats, so figure out which one */
uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth)
{
uint32_t fmt;
 
switch (bpp) {
case 8:
fmt = DRM_FORMAT_RGB332;
break;
case 16:
if (depth == 15)
fmt = DRM_FORMAT_XRGB1555;
else
fmt = DRM_FORMAT_RGB565;
break;
case 24:
fmt = DRM_FORMAT_RGB888;
break;
case 32:
if (depth == 24)
fmt = DRM_FORMAT_XRGB8888;
else if (depth == 30)
fmt = DRM_FORMAT_XRGB2101010;
else
fmt = DRM_FORMAT_ARGB8888;
break;
default:
DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n");
fmt = DRM_FORMAT_XRGB8888;
break;
}
 
return fmt;
}
EXPORT_SYMBOL(drm_mode_legacy_fb_format);
#if 0
/**
* drm_mode_addfb - add an FB to the graphics configuration
* @inode: inode from the ioctl
1681,31 → 2058,210
int drm_mode_addfb(struct drm_device *dev,
void *data, struct drm_file *file_priv)
{
struct drm_mode_fb_cmd *r = data;
struct drm_mode_fb_cmd *or = data;
struct drm_mode_fb_cmd2 r = {};
struct drm_mode_config *config = &dev->mode_config;
struct drm_framebuffer *fb;
int ret = 0;
 
/* Use new struct with format internally */
r.fb_id = or->fb_id;
r.width = or->width;
r.height = or->height;
r.pitches[0] = or->pitch;
r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth);
r.handles[0] = or->handle;
 
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
 
if ((config->min_width > r.width) || (r.width > config->max_width))
return -EINVAL;
 
if ((config->min_height > r.height) || (r.height > config->max_height))
return -EINVAL;
 
mutex_lock(&dev->mode_config.mutex);
 
/* TODO check buffer is sufficiently large */
/* TODO setup destructor callback */
 
fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r);
if (IS_ERR(fb)) {
DRM_DEBUG_KMS("could not create framebuffer\n");
ret = PTR_ERR(fb);
goto out;
}
 
or->fb_id = fb->base.id;
list_add(&fb->filp_head, &file_priv->fbs);
DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
 
out:
mutex_unlock(&dev->mode_config.mutex);
return ret;
}
 
static int format_check(const struct drm_mode_fb_cmd2 *r)
{
uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN;
 
switch (format) {
case DRM_FORMAT_C8:
case DRM_FORMAT_RGB332:
case DRM_FORMAT_BGR233:
case DRM_FORMAT_XRGB4444:
case DRM_FORMAT_XBGR4444:
case DRM_FORMAT_RGBX4444:
case DRM_FORMAT_BGRX4444:
case DRM_FORMAT_ARGB4444:
case DRM_FORMAT_ABGR4444:
case DRM_FORMAT_RGBA4444:
case DRM_FORMAT_BGRA4444:
case DRM_FORMAT_XRGB1555:
case DRM_FORMAT_XBGR1555:
case DRM_FORMAT_RGBX5551:
case DRM_FORMAT_BGRX5551:
case DRM_FORMAT_ARGB1555:
case DRM_FORMAT_ABGR1555:
case DRM_FORMAT_RGBA5551:
case DRM_FORMAT_BGRA5551:
case DRM_FORMAT_RGB565:
case DRM_FORMAT_BGR565:
case DRM_FORMAT_RGB888:
case DRM_FORMAT_BGR888:
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_RGBX8888:
case DRM_FORMAT_BGRX8888:
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_ABGR8888:
case DRM_FORMAT_RGBA8888:
case DRM_FORMAT_BGRA8888:
case DRM_FORMAT_XRGB2101010:
case DRM_FORMAT_XBGR2101010:
case DRM_FORMAT_RGBX1010102:
case DRM_FORMAT_BGRX1010102:
case DRM_FORMAT_ARGB2101010:
case DRM_FORMAT_ABGR2101010:
case DRM_FORMAT_RGBA1010102:
case DRM_FORMAT_BGRA1010102:
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
case DRM_FORMAT_AYUV:
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV61:
case DRM_FORMAT_NV24:
case DRM_FORMAT_NV42:
case DRM_FORMAT_YUV410:
case DRM_FORMAT_YVU410:
case DRM_FORMAT_YUV411:
case DRM_FORMAT_YVU411:
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YVU420:
case DRM_FORMAT_YUV422:
case DRM_FORMAT_YVU422:
case DRM_FORMAT_YUV444:
case DRM_FORMAT_YVU444:
return 0;
default:
return -EINVAL;
}
}
 
static int framebuffer_check(const struct drm_mode_fb_cmd2 *r)
{
int ret, hsub, vsub, num_planes, i;
 
ret = format_check(r);
if (ret) {
DRM_DEBUG_KMS("bad framebuffer format 0x%08x\n", r->pixel_format);
return ret;
}
 
hsub = drm_format_horz_chroma_subsampling(r->pixel_format);
vsub = drm_format_vert_chroma_subsampling(r->pixel_format);
num_planes = drm_format_num_planes(r->pixel_format);
 
if (r->width == 0 || r->width % hsub) {
DRM_DEBUG_KMS("bad framebuffer width %u\n", r->height);
return -EINVAL;
}
 
if (r->height == 0 || r->height % vsub) {
DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height);
return -EINVAL;
}
 
for (i = 0; i < num_planes; i++) {
unsigned int width = r->width / (i != 0 ? hsub : 1);
 
if (!r->handles[i]) {
DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i);
return -EINVAL;
}
 
if (r->pitches[i] < drm_format_plane_cpp(r->pixel_format, i) * width) {
DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i);
return -EINVAL;
}
}
 
return 0;
}
 
/**
* drm_mode_addfb2 - add an FB to the graphics configuration
* @inode: inode from the ioctl
* @filp: file * from the ioctl
* @cmd: cmd from ioctl
* @arg: arg from ioctl
*
* LOCKING:
* Takes mode config lock.
*
* Add a new FB to the specified CRTC, given a user request with format.
*
* Called by the user via ioctl.
*
* RETURNS:
* Zero on success, errno on failure.
*/
int drm_mode_addfb2(struct drm_device *dev,
void *data, struct drm_file *file_priv)
{
struct drm_mode_fb_cmd2 *r = data;
struct drm_mode_config *config = &dev->mode_config;
struct drm_framebuffer *fb;
int ret;
 
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
 
if ((config->min_width > r->width) || (r->width > config->max_width)) {
DRM_ERROR("mode new framebuffer width not within limits\n");
DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n",
r->width, config->min_width, config->max_width);
return -EINVAL;
}
if ((config->min_height > r->height) || (r->height > config->max_height)) {
DRM_ERROR("mode new framebuffer height not within limits\n");
DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n",
r->height, config->min_height, config->max_height);
return -EINVAL;
}
 
ret = framebuffer_check(r);
if (ret)
return ret;
 
mutex_lock(&dev->mode_config.mutex);
 
/* TODO check buffer is sufficiently large */
/* TODO setup destructor callback */
 
fb = dev->mode_config.funcs->fb_create(dev, file_priv, r);
if (IS_ERR(fb)) {
DRM_ERROR("could not create framebuffer\n");
DRM_DEBUG_KMS("could not create framebuffer\n");
ret = PTR_ERR(fb);
goto out;
}
1753,7 → 2309,6
obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB);
/* TODO check that we really get a framebuffer back. */
if (!obj) {
DRM_ERROR("mode invalid framebuffer id\n");
ret = -EINVAL;
goto out;
}
1764,17 → 2319,12
found = 1;
 
if (!found) {
DRM_ERROR("tried to remove a fb that we didn't own\n");
ret = -EINVAL;
goto out;
}
 
/* TODO release all crtc connected to the framebuffer */
/* TODO unhock the destructor from the buffer object */
drm_framebuffer_remove(fb);
 
list_del(&fb->filp_head);
fb->funcs->destroy(fb);
 
out:
mutex_unlock(&dev->mode_config.mutex);
return ret;
1788,7 → 2338,7
* @arg: arg from ioctl
*
* LOCKING:
* Caller? (FIXME)
* Takes mode config lock.
*
* Lookup the FB given its ID and return info about it.
*
1811,7 → 2361,6
mutex_lock(&dev->mode_config.mutex);
obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
if (!obj) {
DRM_ERROR("invalid framebuffer id\n");
ret = -EINVAL;
goto out;
}
1821,7 → 2370,7
r->width = fb->width;
r->depth = fb->depth;
r->bpp = fb->bits_per_pixel;
r->pitch = fb->pitch;
r->pitch = fb->pitches[0];
fb->funcs->create_handle(fb, file_priv, &r->handle);
 
out:
1839,7 → 2388,7
struct drm_framebuffer *fb;
unsigned flags;
int num_clips;
int ret = 0;
int ret;
 
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
1847,7 → 2396,6
mutex_lock(&dev->mode_config.mutex);
obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
if (!obj) {
DRM_ERROR("invalid framebuffer id\n");
ret = -EINVAL;
goto out_err1;
}
1854,7 → 2402,7
fb = obj_to_fb(obj);
 
num_clips = r->num_clips;
clips_ptr = (struct drm_clip_rect *)(unsigned long)r->clips_ptr;
clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr;
 
if (!num_clips != !clips_ptr) {
ret = -EINVAL;
1870,6 → 2418,10
}
 
if (num_clips && clips_ptr) {
if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) {
ret = -EINVAL;
goto out_err1;
}
clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
if (!clips) {
ret = -ENOMEM;
1921,8 → 2473,7
 
mutex_lock(&dev->mode_config.mutex);
list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) {
list_del(&fb->filp_head);
fb->funcs->destroy(fb);
drm_framebuffer_remove(fb);
}
mutex_unlock(&dev->mode_config.mutex);
}
1936,39 → 2487,49
*
* Add @mode to @connector's user mode list.
*/
static int drm_mode_attachmode(struct drm_device *dev,
static void drm_mode_attachmode(struct drm_device *dev,
struct drm_connector *connector,
struct drm_display_mode *mode)
{
int ret = 0;
 
list_add_tail(&mode->head, &connector->user_modes);
return ret;
}
 
int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc,
struct drm_display_mode *mode)
const struct drm_display_mode *mode)
{
struct drm_connector *connector;
int ret = 0;
struct drm_display_mode *dup_mode;
int need_dup = 0;
struct drm_display_mode *dup_mode, *next;
LIST_HEAD(list);
 
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
if (!connector->encoder)
break;
continue;
if (connector->encoder->crtc == crtc) {
if (need_dup)
dup_mode = drm_mode_duplicate(dev, mode);
else
dup_mode = mode;
ret = drm_mode_attachmode(dev, connector, dup_mode);
if (ret)
return ret;
need_dup = 1;
if (!dup_mode) {
ret = -ENOMEM;
goto out;
}
list_add_tail(&dup_mode->head, &list);
}
return 0;
}
 
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
if (!connector->encoder)
continue;
if (connector->encoder->crtc == crtc)
list_move_tail(list.next, &connector->user_modes);
}
 
WARN_ON(!list_empty(&list));
 
out:
list_for_each_entry_safe(dup_mode, next, &list, head)
drm_mode_destroy(dev, dup_mode);
 
return ret;
}
EXPORT_SYMBOL(drm_mode_attachmode_crtc);
 
static int drm_mode_detachmode(struct drm_device *dev,
2028,7 → 2589,7
struct drm_display_mode *mode;
struct drm_mode_object *obj;
struct drm_mode_modeinfo *umode = &mode_cmd->mode;
int ret = 0;
int ret;
 
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
2048,9 → 2609,14
goto out;
}
 
drm_crtc_convert_umode(mode, umode);
ret = drm_crtc_convert_umode(mode, umode);
if (ret) {
DRM_DEBUG_KMS("Invalid mode\n");
drm_mode_destroy(dev, mode);
goto out;
}
 
ret = drm_mode_attachmode(dev, connector, mode);
drm_mode_attachmode(dev, connector, mode);
out:
mutex_unlock(&dev->mode_config.mutex);
return ret;
2077,7 → 2643,7
struct drm_connector *connector;
struct drm_display_mode mode;
struct drm_mode_modeinfo *umode = &mode_cmd->mode;
int ret = 0;
int ret;
 
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
2091,7 → 2657,12
}
connector = obj_to_connector(obj);
 
drm_crtc_convert_umode(&mode, umode);
ret = drm_crtc_convert_umode(&mode, umode);
if (ret) {
DRM_DEBUG_KMS("Invalid mode\n");
goto out;
}
 
ret = drm_mode_detachmode(dev, connector, &mode);
out:
mutex_unlock(&dev->mode_config.mutex);
2103,6 → 2674,7
const char *name, int num_values)
{
struct drm_property *property = NULL;
int ret;
 
property = kzalloc(sizeof(struct drm_property), GFP_KERNEL);
if (!property)
2114,30 → 2686,118
goto fail;
}
 
drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY);
ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY);
if (ret)
goto fail;
 
property->flags = flags;
property->num_values = num_values;
INIT_LIST_HEAD(&property->enum_blob_list);
 
if (name)
if (name) {
strncpy(property->name, name, DRM_PROP_NAME_LEN);
property->name[DRM_PROP_NAME_LEN-1] = '\0';
}
 
list_add_tail(&property->head, &dev->mode_config.property_list);
return property;
fail:
kfree(property->values);
kfree(property);
return NULL;
}
EXPORT_SYMBOL(drm_property_create);
 
struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags,
const char *name,
const struct drm_prop_enum_list *props,
int num_values)
{
struct drm_property *property;
int i, ret;
 
flags |= DRM_MODE_PROP_ENUM;
 
property = drm_property_create(dev, flags, name, num_values);
if (!property)
return NULL;
 
for (i = 0; i < num_values; i++) {
ret = drm_property_add_enum(property, i,
props[i].type,
props[i].name);
if (ret) {
drm_property_destroy(dev, property);
return NULL;
}
}
 
return property;
}
EXPORT_SYMBOL(drm_property_create_enum);
 
struct drm_property *drm_property_create_bitmask(struct drm_device *dev,
int flags, const char *name,
const struct drm_prop_enum_list *props,
int num_values)
{
struct drm_property *property;
int i, ret;
 
flags |= DRM_MODE_PROP_BITMASK;
 
property = drm_property_create(dev, flags, name, num_values);
if (!property)
return NULL;
 
for (i = 0; i < num_values; i++) {
ret = drm_property_add_enum(property, i,
props[i].type,
props[i].name);
if (ret) {
drm_property_destroy(dev, property);
return NULL;
}
}
 
return property;
}
EXPORT_SYMBOL(drm_property_create_bitmask);
 
struct drm_property *drm_property_create_range(struct drm_device *dev, int flags,
const char *name,
uint64_t min, uint64_t max)
{
struct drm_property *property;
 
flags |= DRM_MODE_PROP_RANGE;
 
property = drm_property_create(dev, flags, name, 2);
if (!property)
return NULL;
 
property->values[0] = min;
property->values[1] = max;
 
return property;
}
EXPORT_SYMBOL(drm_property_create_range);
 
int drm_property_add_enum(struct drm_property *property, int index,
uint64_t value, const char *name)
{
struct drm_property_enum *prop_enum;
 
if (!(property->flags & DRM_MODE_PROP_ENUM))
if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)))
return -EINVAL;
 
/*
* Bitmask enum properties have the additional constraint of values
* from 0 to 63
*/
if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63))
return -EINVAL;
 
if (!list_empty(&property->enum_blob_list)) {
list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
if (prop_enum->value == value) {
2179,60 → 2839,78
}
EXPORT_SYMBOL(drm_property_destroy);
 
int drm_connector_attach_property(struct drm_connector *connector,
void drm_connector_attach_property(struct drm_connector *connector,
struct drm_property *property, uint64_t init_val)
{
int i;
drm_object_attach_property(&connector->base, property, init_val);
}
EXPORT_SYMBOL(drm_connector_attach_property);
 
for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
if (connector->property_ids[i] == 0) {
connector->property_ids[i] = property->base.id;
connector->property_values[i] = init_val;
break;
int drm_connector_property_set_value(struct drm_connector *connector,
struct drm_property *property, uint64_t value)
{
return drm_object_property_set_value(&connector->base, property, value);
}
EXPORT_SYMBOL(drm_connector_property_set_value);
 
int drm_connector_property_get_value(struct drm_connector *connector,
struct drm_property *property, uint64_t *val)
{
return drm_object_property_get_value(&connector->base, property, val);
}
EXPORT_SYMBOL(drm_connector_property_get_value);
 
if (i == DRM_CONNECTOR_MAX_PROPERTY)
return -EINVAL;
return 0;
void drm_object_attach_property(struct drm_mode_object *obj,
struct drm_property *property,
uint64_t init_val)
{
int count = obj->properties->count;
 
if (count == DRM_OBJECT_MAX_PROPERTY) {
WARN(1, "Failed to attach object property (type: 0x%x). Please "
"increase DRM_OBJECT_MAX_PROPERTY by 1 for each time "
"you see this message on the same object type.\n",
obj->type);
return;
}
EXPORT_SYMBOL(drm_connector_attach_property);
 
int drm_connector_property_set_value(struct drm_connector *connector,
struct drm_property *property, uint64_t value)
obj->properties->ids[count] = property->base.id;
obj->properties->values[count] = init_val;
obj->properties->count++;
}
EXPORT_SYMBOL(drm_object_attach_property);
 
int drm_object_property_set_value(struct drm_mode_object *obj,
struct drm_property *property, uint64_t val)
{
int i;
 
for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
if (connector->property_ids[i] == property->base.id) {
connector->property_values[i] = value;
break;
for (i = 0; i < obj->properties->count; i++) {
if (obj->properties->ids[i] == property->base.id) {
obj->properties->values[i] = val;
return 0;
}
}
 
if (i == DRM_CONNECTOR_MAX_PROPERTY)
return -EINVAL;
return 0;
}
EXPORT_SYMBOL(drm_connector_property_set_value);
EXPORT_SYMBOL(drm_object_property_set_value);
 
int drm_connector_property_get_value(struct drm_connector *connector,
int drm_object_property_get_value(struct drm_mode_object *obj,
struct drm_property *property, uint64_t *val)
{
int i;
 
for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
if (connector->property_ids[i] == property->base.id) {
*val = connector->property_values[i];
break;
for (i = 0; i < obj->properties->count; i++) {
if (obj->properties->ids[i] == property->base.id) {
*val = obj->properties->values[i];
return 0;
}
}
 
if (i == DRM_CONNECTOR_MAX_PROPERTY)
return -EINVAL;
return 0;
}
EXPORT_SYMBOL(drm_connector_property_get_value);
EXPORT_SYMBOL(drm_object_property_get_value);
 
#if 0
int drm_mode_getproperty_ioctl(struct drm_device *dev,
2249,7 → 2927,7
struct drm_property_enum *prop_enum;
struct drm_mode_property_enum __user *enum_ptr;
struct drm_property_blob *prop_blob;
uint32_t *blob_id_ptr;
uint32_t __user *blob_id_ptr;
uint64_t __user *values_ptr;
uint32_t __user *blob_length_ptr;
 
2264,7 → 2942,7
}
property = obj_to_property(obj);
 
if (property->flags & DRM_MODE_PROP_ENUM) {
if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) {
list_for_each_entry(prop_enum, &property->enum_blob_list, head)
enum_count++;
} else if (property->flags & DRM_MODE_PROP_BLOB) {
2279,7 → 2957,7
out_resp->flags = property->flags;
 
if ((out_resp->count_values >= value_count) && value_count) {
values_ptr = (uint64_t *)(unsigned long)out_resp->values_ptr;
values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr;
for (i = 0; i < value_count; i++) {
if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) {
ret = -EFAULT;
2289,10 → 2967,10
}
out_resp->count_values = value_count;
 
if (property->flags & DRM_MODE_PROP_ENUM) {
if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) {
if ((out_resp->count_enum_blobs >= enum_count) && enum_count) {
copied = 0;
enum_ptr = (struct drm_mode_property_enum *)(unsigned long)out_resp->enum_blob_ptr;
enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr;
list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
 
if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) {
2314,8 → 2992,8
if (property->flags & DRM_MODE_PROP_BLOB) {
if ((out_resp->count_enum_blobs >= blob_count) && blob_count) {
copied = 0;
blob_id_ptr = (uint32_t *)(unsigned long)out_resp->enum_blob_ptr;
blob_length_ptr = (uint32_t *)(unsigned long)out_resp->values_ptr;
blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr;
blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr;
 
list_for_each_entry(prop_blob, &property->enum_blob_list, head) {
if (put_user(prop_blob->base.id, blob_id_ptr + copied)) {
2343,6 → 3021,7
void *data)
{
struct drm_property_blob *blob;
int ret;
 
if (!length || !data)
return NULL;
2351,13 → 3030,16
if (!blob)
return NULL;
 
blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob));
ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB);
if (ret) {
kfree(blob);
return NULL;
}
 
blob->length = length;
 
memcpy(blob->data, data, length);
 
drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB);
 
list_add_tail(&blob->head, &dev->mode_config.property_blob_list);
return blob;
}
2378,7 → 3060,7
struct drm_mode_get_blob *out_resp = data;
struct drm_property_blob *blob;
int ret = 0;
void *blob_ptr;
void __user *blob_ptr;
 
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
2392,7 → 3074,7
blob = obj_to_blob(obj);
 
if (out_resp->length == blob->length) {
blob_ptr = (void *)(unsigned long)out_resp->data;
blob_ptr = (void __user *)(unsigned long)out_resp->data;
if (copy_to_user(blob_ptr, blob->data, blob->length)){
ret = -EFAULT;
goto done;
2410,7 → 3092,7
struct edid *edid)
{
struct drm_device *dev = connector->dev;
int ret = 0, size;
int ret, size;
 
if (connector->edid_blob_ptr)
drm_property_destroy_blob(dev, connector->edid_blob_ptr);
2435,15 → 3117,69
EXPORT_SYMBOL(drm_mode_connector_update_edid_property);
 
#if 0
int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv)
 
static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj,
struct drm_property *property,
uint64_t value)
{
struct drm_mode_connector_set_property *out_resp = data;
int ret = -EINVAL;
struct drm_connector *connector = obj_to_connector(obj);
 
/* Do DPMS ourselves */
if (property == connector->dev->mode_config.dpms_property) {
if (connector->funcs->dpms)
(*connector->funcs->dpms)(connector, (int)value);
ret = 0;
} else if (connector->funcs->set_property)
ret = connector->funcs->set_property(connector, property, value);
 
/* store the property value if successful */
if (!ret)
drm_connector_property_set_value(connector, property, value);
return ret;
}
 
static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj,
struct drm_property *property,
uint64_t value)
{
int ret = -EINVAL;
struct drm_crtc *crtc = obj_to_crtc(obj);
 
if (crtc->funcs->set_property)
ret = crtc->funcs->set_property(crtc, property, value);
if (!ret)
drm_object_property_set_value(obj, property, value);
 
return ret;
}
 
static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj,
struct drm_property *property,
uint64_t value)
{
int ret = -EINVAL;
struct drm_plane *plane = obj_to_plane(obj);
 
if (plane->funcs->set_property)
ret = plane->funcs->set_property(plane, property, value);
if (!ret)
drm_object_property_set_value(obj, property, value);
 
return ret;
}
 
int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_mode_obj_get_properties *arg = data;
struct drm_mode_object *obj;
struct drm_property *property;
struct drm_connector *connector;
int ret = -EINVAL;
int ret = 0;
int i;
int copied = 0;
int props_count = 0;
uint32_t __user *props_ptr;
uint64_t __user *prop_values_ptr;
 
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
2450,60 → 3186,95
 
mutex_lock(&dev->mode_config.mutex);
 
obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR);
obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type);
if (!obj) {
ret = -EINVAL;
goto out;
}
connector = obj_to_connector(obj);
 
for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
if (connector->property_ids[i] == out_resp->prop_id)
break;
if (!obj->properties) {
ret = -EINVAL;
goto out;
}
 
if (i == DRM_CONNECTOR_MAX_PROPERTY) {
props_count = obj->properties->count;
 
/* This ioctl is called twice, once to determine how much space is
* needed, and the 2nd time to fill it. */
if ((arg->count_props >= props_count) && props_count) {
copied = 0;
props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr);
prop_values_ptr = (uint64_t __user *)(unsigned long)
(arg->prop_values_ptr);
for (i = 0; i < props_count; i++) {
if (put_user(obj->properties->ids[i],
props_ptr + copied)) {
ret = -EFAULT;
goto out;
}
 
obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
if (!obj) {
if (put_user(obj->properties->values[i],
prop_values_ptr + copied)) {
ret = -EFAULT;
goto out;
}
property = obj_to_property(obj);
copied++;
}
}
arg->count_props = props_count;
out:
mutex_unlock(&dev->mode_config.mutex);
return ret;
}
 
if (property->flags & DRM_MODE_PROP_IMMUTABLE)
int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_mode_obj_set_property *arg = data;
struct drm_mode_object *arg_obj;
struct drm_mode_object *prop_obj;
struct drm_property *property;
int ret = -EINVAL;
int i;
 
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
 
mutex_lock(&dev->mode_config.mutex);
 
arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type);
if (!arg_obj)
goto out;
if (!arg_obj->properties)
goto out;
 
if (property->flags & DRM_MODE_PROP_RANGE) {
if (out_resp->value < property->values[0])
for (i = 0; i < arg_obj->properties->count; i++)
if (arg_obj->properties->ids[i] == arg->prop_id)
break;
 
if (i == arg_obj->properties->count)
goto out;
 
if (out_resp->value > property->values[1])
prop_obj = drm_mode_object_find(dev, arg->prop_id,
DRM_MODE_OBJECT_PROPERTY);
if (!prop_obj)
goto out;
} else {
int found = 0;
for (i = 0; i < property->num_values; i++) {
if (property->values[i] == out_resp->value) {
found = 1;
property = obj_to_property(prop_obj);
 
if (!drm_property_change_is_valid(property, arg->value))
goto out;
 
switch (arg_obj->type) {
case DRM_MODE_OBJECT_CONNECTOR:
ret = drm_mode_connector_set_obj_prop(arg_obj, property,
arg->value);
break;
case DRM_MODE_OBJECT_CRTC:
ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value);
break;
case DRM_MODE_OBJECT_PLANE:
ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value);
break;
}
}
if (!found) {
goto out;
}
}
 
/* Do DPMS ourselves */
if (property == connector->dev->mode_config.dpms_property) {
if (connector->funcs->dpms)
(*connector->funcs->dpms)(connector, (int) out_resp->value);
ret = 0;
} else if (connector->funcs->set_property)
ret = connector->funcs->set_property(connector, property, out_resp->value);
 
/* store the property value if successful */
if (!ret)
drm_connector_property_set_value(connector, property, out_resp->value);
out:
mutex_unlock(&dev->mode_config.mutex);
return ret;
2540,7 → 3311,7
}
EXPORT_SYMBOL(drm_mode_connector_detach_encoder);
 
bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
int gamma_size)
{
crtc->gamma_size = gamma_size;
2548,10 → 3319,10
crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL);
if (!crtc->gamma_store) {
crtc->gamma_size = 0;
return false;
return -ENOMEM;
}
 
return true;
return 0;
}
EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size);
 
2577,6 → 3348,11
}
crtc = obj_to_crtc(obj);
 
if (crtc->funcs->gamma_set == NULL) {
ret = -ENOSYS;
goto out;
}
 
/* memcpy into gamma store */
if (crtc_lut->gamma_size != crtc->gamma_size) {
ret = -EINVAL;
2682,3 → 3458,211
connector->funcs->reset(connector);
}
EXPORT_SYMBOL(drm_mode_config_reset);
/*
* Just need to support RGB formats here for compat with code that doesn't
* use pixel formats directly yet.
*/
void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
int *bpp)
{
switch (format) {
case DRM_FORMAT_RGB332:
case DRM_FORMAT_BGR233:
*depth = 8;
*bpp = 8;
break;
case DRM_FORMAT_XRGB1555:
case DRM_FORMAT_XBGR1555:
case DRM_FORMAT_RGBX5551:
case DRM_FORMAT_BGRX5551:
case DRM_FORMAT_ARGB1555:
case DRM_FORMAT_ABGR1555:
case DRM_FORMAT_RGBA5551:
case DRM_FORMAT_BGRA5551:
*depth = 15;
*bpp = 16;
break;
case DRM_FORMAT_RGB565:
case DRM_FORMAT_BGR565:
*depth = 16;
*bpp = 16;
break;
case DRM_FORMAT_RGB888:
case DRM_FORMAT_BGR888:
*depth = 24;
*bpp = 24;
break;
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_RGBX8888:
case DRM_FORMAT_BGRX8888:
*depth = 24;
*bpp = 32;
break;
case DRM_FORMAT_XRGB2101010:
case DRM_FORMAT_XBGR2101010:
case DRM_FORMAT_RGBX1010102:
case DRM_FORMAT_BGRX1010102:
case DRM_FORMAT_ARGB2101010:
case DRM_FORMAT_ABGR2101010:
case DRM_FORMAT_RGBA1010102:
case DRM_FORMAT_BGRA1010102:
*depth = 30;
*bpp = 32;
break;
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_ABGR8888:
case DRM_FORMAT_RGBA8888:
case DRM_FORMAT_BGRA8888:
*depth = 32;
*bpp = 32;
break;
default:
DRM_DEBUG_KMS("unsupported pixel format\n");
*depth = 0;
*bpp = 0;
break;
}
}
EXPORT_SYMBOL(drm_fb_get_bpp_depth);
 
/**
* drm_format_num_planes - get the number of planes for format
* @format: pixel format (DRM_FORMAT_*)
*
* RETURNS:
* The number of planes used by the specified pixel format.
*/
int drm_format_num_planes(uint32_t format)
{
switch (format) {
case DRM_FORMAT_YUV410:
case DRM_FORMAT_YVU410:
case DRM_FORMAT_YUV411:
case DRM_FORMAT_YVU411:
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YVU420:
case DRM_FORMAT_YUV422:
case DRM_FORMAT_YVU422:
case DRM_FORMAT_YUV444:
case DRM_FORMAT_YVU444:
return 3;
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV61:
case DRM_FORMAT_NV24:
case DRM_FORMAT_NV42:
return 2;
default:
return 1;
}
}
EXPORT_SYMBOL(drm_format_num_planes);
 
/**
* drm_format_plane_cpp - determine the bytes per pixel value
* @format: pixel format (DRM_FORMAT_*)
* @plane: plane index
*
* RETURNS:
* The bytes per pixel value for the specified plane.
*/
int drm_format_plane_cpp(uint32_t format, int plane)
{
unsigned int depth;
int bpp;
 
if (plane >= drm_format_num_planes(format))
return 0;
 
switch (format) {
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
return 2;
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV61:
case DRM_FORMAT_NV24:
case DRM_FORMAT_NV42:
return plane ? 2 : 1;
case DRM_FORMAT_YUV410:
case DRM_FORMAT_YVU410:
case DRM_FORMAT_YUV411:
case DRM_FORMAT_YVU411:
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YVU420:
case DRM_FORMAT_YUV422:
case DRM_FORMAT_YVU422:
case DRM_FORMAT_YUV444:
case DRM_FORMAT_YVU444:
return 1;
default:
drm_fb_get_bpp_depth(format, &depth, &bpp);
return bpp >> 3;
}
}
EXPORT_SYMBOL(drm_format_plane_cpp);
 
/**
* drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor
* @format: pixel format (DRM_FORMAT_*)
*
* RETURNS:
* The horizontal chroma subsampling factor for the
* specified pixel format.
*/
int drm_format_horz_chroma_subsampling(uint32_t format)
{
switch (format) {
case DRM_FORMAT_YUV411:
case DRM_FORMAT_YVU411:
case DRM_FORMAT_YUV410:
case DRM_FORMAT_YVU410:
return 4;
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV61:
case DRM_FORMAT_YUV422:
case DRM_FORMAT_YVU422:
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YVU420:
return 2;
default:
return 1;
}
}
EXPORT_SYMBOL(drm_format_horz_chroma_subsampling);
 
/**
* drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor
* @format: pixel format (DRM_FORMAT_*)
*
* RETURNS:
* The vertical chroma subsampling factor for the
* specified pixel format.
*/
int drm_format_vert_chroma_subsampling(uint32_t format)
{
switch (format) {
case DRM_FORMAT_YUV410:
case DRM_FORMAT_YVU410:
return 4;
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YVU420:
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV21:
return 2;
default:
return 1;
}
}
EXPORT_SYMBOL(drm_format_vert_chroma_subsampling);