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authorDave Airlie <airlied@redhat.com>2007-12-05 16:03:05 +1000
committerDave Airlie <airlied@redhat.com>2007-12-05 16:03:05 +1000
commit1a6c95ef711fce807659ab5e4fe480d65ac233b6 (patch)
treec50176cc24a94b527a623b99caa9896cb4a4350f /linux-core/drm_crtc.c
parentf7432d187e4b5e13c9e450bf12d5ab8c18ea5146 (diff)
arrgggh.. make all ioctl structs 32/64-bit compatible hopefully.
This also starts to add blob property support. someone needs to check this work for other things like ppc/x86 alignment diffs
Diffstat (limited to 'linux-core/drm_crtc.c')
-rw-r--r--linux-core/drm_crtc.c163
1 files changed, 121 insertions, 42 deletions
diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c
index 26aa5206..c2680319 100644
--- a/linux-core/drm_crtc.c
+++ b/linux-core/drm_crtc.c
@@ -722,7 +722,11 @@ 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.property_blob_list);
idr_init(&dev->mode_config.crtc_idr);
+ dev->mode_config.edid_property = drm_property_create(dev,
+ DRM_MODE_PROP_BLOB | DRM_MODE_PROP_IMMUTABLE,
+ "EDID", 0);
}
EXPORT_SYMBOL(drm_mode_config_init);
@@ -1013,7 +1017,7 @@ int drm_crtc_set_config(struct drm_crtc *crtc, struct drm_mode_crtc *crtc_info,
if (crtc_info->x != crtc->x || crtc_info->y != crtc->y)
changed = true;
- if (new_mode && (crtc->mode.mode_id != new_mode->mode_id))
+ if (new_mode && !drm_mode_equal(new_mode, &crtc->mode))
changed = true;
list_for_each_entry(output, &dev->mode_config.output_list, head) {
@@ -1152,6 +1156,9 @@ int drm_mode_getresources(struct drm_device *dev,
int crtc_count = 0;
int fb_count = 0;
int copied = 0;
+ uint32_t __user *fb_id;
+ uint32_t __user *crtc_id;
+ uint32_t __user *output_id;
mutex_lock(&dev->mode_config.mutex);
@@ -1164,12 +1171,18 @@ int drm_mode_getresources(struct drm_device *dev,
list_for_each(lh, &dev->mode_config.output_list)
output_count++;
+ card_res->max_height = dev->mode_config.max_height;
+ card_res->min_height = dev->mode_config.min_height;
+ card_res->max_width = dev->mode_config.max_width;
+ card_res->min_width = dev->mode_config.min_width;
+
/* handle this in 4 parts */
/* FBs */
if (card_res->count_fbs >= fb_count) {
copied = 0;
+ fb_id = (uint32_t *)(unsigned long)card_res->fb_id_ptr;
list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
- if (put_user(fb->id, card_res->fb_id + copied)) {
+ if (put_user(fb->id, fb_id + copied)) {
ret = -EFAULT;
goto out;
}
@@ -1181,9 +1194,10 @@ int drm_mode_getresources(struct drm_device *dev,
/* CRTCs */
if (card_res->count_crtcs >= crtc_count) {
copied = 0;
+ crtc_id = (uint32_t *)(unsigned long)card_res->crtc_id_ptr;
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)) {
+ if (put_user(crtc->id, crtc_id + copied)) {
ret = -EFAULT;
goto out;
}
@@ -1196,10 +1210,11 @@ int drm_mode_getresources(struct drm_device *dev,
/* Outputs */
if (card_res->count_outputs >= output_count) {
copied = 0;
+ output_id = (uint32_t *)(unsigned long)card_res->output_id_ptr;
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)) {
+ if (put_user(output->id, output_id + copied)) {
ret = -EFAULT;
goto out;
}
@@ -1211,7 +1226,6 @@ int drm_mode_getresources(struct drm_device *dev,
DRM_DEBUG("Counted %d %d\n", card_res->count_crtcs,
card_res->count_outputs);
-
out:
mutex_unlock(&dev->mode_config.mutex);
return ret;
@@ -1307,6 +1321,9 @@ int drm_mode_getoutput(struct drm_device *dev,
int copied = 0;
int i;
struct drm_mode_modeinfo u_mode;
+ struct drm_mode_modeinfo __user *mode_ptr;
+ uint32_t __user *prop_ptr;
+ uint64_t __user *prop_values;
memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo));
@@ -1349,9 +1366,10 @@ int drm_mode_getoutput(struct drm_device *dev,
if ((out_resp->count_modes >= mode_count) && mode_count) {
copied = 0;
+ mode_ptr = (struct drm_mode_modeinfo *)(unsigned long)out_resp->modes_ptr;
list_for_each_entry(mode, &output->modes, head) {
drm_crtc_convert_to_umode(&u_mode, mode);
- if (copy_to_user(out_resp->modes + copied,
+ if (copy_to_user(mode_ptr + copied,
&u_mode, sizeof(u_mode))) {
ret = -EFAULT;
goto out;
@@ -1364,14 +1382,16 @@ int drm_mode_getoutput(struct drm_device *dev,
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_OUTPUT_MAX_PROPERTY; i++) {
if (output->property_ids[i] != 0) {
- if (put_user(output->property_ids[i], out_resp->props + copied)) {
+ if (put_user(output->property_ids[i], prop_ptr + copied)) {
ret = -EFAULT;
goto out;
}
- if (put_user(output->property_values[i], out_resp->prop_values + copied)) {
+ if (put_user(output->property_values[i], prop_values + copied)) {
ret = -EFAULT;
goto out;
}
@@ -1410,10 +1430,10 @@ int drm_mode_setcrtc(struct drm_device *dev,
struct drm_crtc *crtc;
struct drm_output **output_set = NULL, *output;
struct drm_framebuffer *fb = NULL;
- struct drm_display_mode mode;
- int mode_valid = 0;
+ struct drm_display_mode *mode = NULL;
int ret = 0;
int i;
+ uint32_t __user *set_outputs_ptr;
mutex_lock(&dev->mode_config.mutex);
crtc = idr_find(&dev->mode_config.crtc_idr, crtc_req->crtc_id);
@@ -1434,18 +1454,17 @@ int drm_mode_setcrtc(struct drm_device *dev,
}
}
- mode_valid = 1;
- drm_crtc_convert_umode(&mode, &crtc_req->mode);
- } else
- mode_valid = 0;
+ mode = drm_mode_create(dev);
+ drm_crtc_convert_umode(mode, &crtc_req->mode);
+ }
- if (crtc_req->count_outputs == 0 && mode_valid) {
+ 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_valid && !fb) {
+ 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;
@@ -1461,7 +1480,8 @@ int drm_mode_setcrtc(struct drm_device *dev,
}
for (i = 0; i < crtc_req->count_outputs; i++) {
- if (get_user(out_id, &crtc_req->set_outputs[i])) {
+ set_outputs_ptr = (uint32_t *)(unsigned long)crtc_req->set_outputs_ptr;
+ if (get_user(out_id, &set_outputs_ptr[i])) {
ret = -EFAULT;
goto out;
}
@@ -1477,11 +1497,7 @@ int drm_mode_setcrtc(struct drm_device *dev,
}
}
- if (mode_valid) {
- ret = drm_crtc_set_config(crtc, crtc_req, &mode, output_set, fb);
- } else {
- ret = drm_crtc_set_config(crtc, crtc_req, NULL, output_set, fb);
- }
+ ret = drm_crtc_set_config(crtc, crtc_req, mode, output_set, fb);
out:
mutex_unlock(&dev->mode_config.mutex);
@@ -1847,15 +1863,17 @@ struct drm_property *drm_property_create(struct drm_device *dev, int flags,
property = kzalloc(sizeof(struct drm_output), GFP_KERNEL);
if (!property)
return NULL;
-
- property->values = kzalloc(sizeof(uint32_t)*num_values, GFP_KERNEL);
- if (!property->values)
- goto fail;
+
+ if (num_values) {
+ property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL);
+ if (!property->values)
+ goto fail;
+ }
property->id = drm_idr_get(dev, property);
property->flags = flags;
property->num_values = num_values;
- INIT_LIST_HEAD(&property->enum_list);
+ INIT_LIST_HEAD(&property->enum_blob_list);
if (name)
strncpy(property->name, name, DRM_PROP_NAME_LEN);
@@ -1869,15 +1887,15 @@ fail:
EXPORT_SYMBOL(drm_property_create);
int drm_property_add_enum(struct drm_property *property, int index,
- uint32_t value, const char *name)
+ uint64_t value, const char *name)
{
struct drm_property_enum *prop_enum;
if (!(property->flags & DRM_MODE_PROP_ENUM))
return -EINVAL;
- if (!list_empty(&property->enum_list)) {
- list_for_each_entry(prop_enum, &property->enum_list, head) {
+ if (!list_empty(&property->enum_blob_list)) {
+ list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
if (prop_enum->value == value) {
strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
@@ -1895,7 +1913,7 @@ int drm_property_add_enum(struct drm_property *property, int index,
prop_enum->value = value;
property->values[index] = value;
- list_add_tail(&prop_enum->head, &property->enum_list);
+ list_add_tail(&prop_enum->head, &property->enum_blob_list);
return 0;
}
EXPORT_SYMBOL(drm_property_add_enum);
@@ -1904,12 +1922,13 @@ void drm_property_destroy(struct drm_device *dev, struct drm_property *property)
{
struct drm_property_enum *prop_enum, *pt;
- list_for_each_entry_safe(prop_enum, pt, &property->enum_list, head) {
+ list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) {
list_del(&prop_enum->head);
kfree(prop_enum);
}
- kfree(property->values);
+ if (property->num_values)
+ kfree(property->values);
drm_idr_put(dev, property->id);
list_del(&property->head);
kfree(property);
@@ -1918,7 +1937,7 @@ EXPORT_SYMBOL(drm_property_destroy);
int drm_output_attach_property(struct drm_output *output,
- struct drm_property *property, int init_val)
+ struct drm_property *property, uint64_t init_val)
{
int i;
@@ -1942,10 +1961,14 @@ int drm_mode_getproperty_ioctl(struct drm_device *dev,
struct drm_mode_get_property *out_resp = data;
struct drm_property *property;
int enum_count = 0;
+ int blob_count = 0;
int value_count = 0;
int ret = 0, i;
int copied;
struct drm_property_enum *prop_enum;
+ struct drm_property_enum __user *enum_ptr;
+ struct drm_property_blob *prop_blob;
+ uint64_t __user *values_ptr;
mutex_lock(&dev->mode_config.mutex);
property = idr_find(&dev->mode_config.crtc_idr, out_resp->prop_id);
@@ -1954,9 +1977,13 @@ int drm_mode_getproperty_ioctl(struct drm_device *dev,
goto done;
}
-
- list_for_each_entry(prop_enum, &property->enum_list, head)
- enum_count++;
+ if (property->flags & DRM_MODE_PROP_ENUM) {
+ list_for_each_entry(prop_enum, &property->enum_blob_list, head)
+ enum_count++;
+ } else if (property->flags & DRM_MODE_PROP_BLOB) {
+ list_for_each_entry(prop_blob, &property->enum_blob_list, head)
+ blob_count++;
+ }
value_count = property->num_values;
@@ -1965,8 +1992,9 @@ int drm_mode_getproperty_ioctl(struct drm_device *dev,
out_resp->flags = property->flags;
if ((out_resp->count_values >= value_count) && value_count) {
+ values_ptr = (uint64_t *)(unsigned long)out_resp->values_ptr;
for (i = 0; i < value_count; i++) {
- if (put_user(property->values[i], out_resp->values + i)) {
+ if (put_user(property->values[i], values_ptr + i)) {
ret = -EFAULT;
goto done;
}
@@ -1974,10 +2002,30 @@ int drm_mode_getproperty_ioctl(struct drm_device *dev,
}
out_resp->count_values = value_count;
- if ((out_resp->count_enums >= enum_count) && enum_count) {
+ if ((out_resp->count_enum_blobs >= enum_count) && enum_count && (property->flags & DRM_MODE_PROP_ENUM)) {
+ copied = 0;
+ enum_ptr = (struct drm_property_enum *)(unsigned long)out_resp->enum_blob_ptr;
+ list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
+ if (put_user(prop_enum->value, &enum_ptr[copied].value)) {
+ ret = -EFAULT;
+ goto done;
+ }
+
+ if (copy_to_user(&enum_ptr[copied].name,
+ prop_enum->name, DRM_PROP_NAME_LEN)) {
+ ret = -EFAULT;
+ goto done;
+ }
+ copied++;
+ }
+ }
+ out_resp->count_enum_blobs = enum_count;
+
+#if 0
+ if ((out_resp->count_blobs >= enum_count) && blob_count && (property->flags & DRM_MODE_PROP_BLOB)) {
copied = 0;
- list_for_each_entry(prop_enum, &property->enum_list, head) {
- if (put_user(prop_enum->value, &out_resp->enums[copied].value)) {
+ list_for_each_entry(prop_blob, &property->enum_list, head) {
+ if (put_user(prop_enum->value, &out_resp->blobs[copied].value)) {
ret = -EFAULT;
goto done;
}
@@ -1991,8 +2039,39 @@ int drm_mode_getproperty_ioctl(struct drm_device *dev,
}
}
out_resp->count_enums = enum_count;
-
+#endif
done:
mutex_unlock(&dev->mode_config.mutex);
return ret;
}
+
+static int drm_property_create_blob(struct drm_device *dev, int length,
+ void *data)
+{
+ struct drm_property_blob *blob;
+
+ if (!length || !data)
+ return -EINVAL;
+
+ blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
+ if (!blob)
+ return -EINVAL;
+
+ blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob));
+ blob->length = length;
+
+ memcpy(blob->data, data, length);
+
+ blob->id = drm_idr_get(dev, blob);
+
+ list_add_tail(&blob->head, &dev->mode_config.property_blob_list);
+ return blob->id;
+}
+
+static void drm_property_destroy_blob(struct drm_device *dev,
+ struct drm_property_blob *blob)
+{
+ drm_idr_put(dev, blob->id);
+ list_del(&blob->head);
+ kfree(blob);
+}