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add an fb count + id get to the get resources code path

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David Airlie 2007-04-11 13:19:30 +10:00 committed by Dave Airlie
parent 3e994a56be
commit 44be9c9d59
4 changed files with 52 additions and 31 deletions
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23
libdrm/xf86drmMode.c
View File

@ -144,14 +144,13 @@ drmModeResPtr drmModeGetResources(int fd)
int i;
drmModeResPtr r = 0;
res.count_crtcs = 0;
res.count_outputs = 0;
res.count_modes = 0;
res.modes = 0;
memset(&res, 0, sizeof(struct drm_mode_card_res));
if (ioctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res))
return 0;
if (res.count_fbs)
res.fb_id = drmMalloc(res.count_fbs*sizeof(uint32_t));
if (res.count_crtcs)
res.crtc_id = drmMalloc(res.count_crtcs*sizeof(uint32_t));
if (res.count_outputs)
@ -159,8 +158,10 @@ drmModeResPtr drmModeGetResources(int fd)
if (res.count_modes)
res.modes = drmMalloc(res.count_modes*sizeof(*res.modes));
if (ioctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res))
if (ioctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res)) {
r = NULL;
goto err_allocs;
}
/*
* return
@ -170,27 +171,23 @@ drmModeResPtr drmModeGetResources(int fd)
if (!(r = drmMalloc(sizeof(*r))))
return 0;
r->frameBufferId = res.fb_id;
r->count_fbs = res.count_fbs;
r->count_crtcs = res.count_crtcs;
r->count_outputs = res.count_outputs;
r->count_modes = res.count_modes;
/* TODO we realy should test if these allocs fails. */
r->fbs = drmAllocCpy(res.fb_id, res.count_fbs, sizeof(uint32_t));
r->crtcs = drmAllocCpy(res.crtc_id, res.count_crtcs, sizeof(uint32_t));
r->outputs = drmAllocCpy(res.output_id, res.count_outputs, sizeof(uint32_t));
r->modes = drmAllocCpy(res.modes, res.count_modes, sizeof(struct drm_mode_modeinfo));
err_allocs:
drmFree(res.fb_id);
drmFree(res.crtc_id);
drmFree(res.output_id);
drmFree(res.modes);
return r;
err_allocs:
drmFree(res.crtc_id);
drmFree(res.output_id);
drmFree(res.modes);
return 0;
}
int drmModeAddFB(int fd, uint32_t width, uint32_t height,

5
libdrm/xf86drmMode.h
View File

@ -62,7 +62,8 @@ typedef struct _drmModeGammaTriple {
typedef struct _drmModeRes {
uint32_t frameBufferId;
int count_fbs;
uint32_t *fbs;
int count_crtcs;
uint32_t *crtcs;
@ -208,7 +209,7 @@ extern int drmModeForceProbe(int fd, uint32_t outputId);
/**
* Retrive information about framebuffer bufferId
*/
extern drmModeFrameBufferPtr drmModeGetFramebuffer(int fd,
extern drmModeFrameBufferPtr drmModeGetFB(int fd,
uint32_t bufferId);
/**

38
linux-core/drm_crtc.c
View File

@ -84,7 +84,6 @@ struct drm_crtc *drm_crtc_create(drm_device_t *dev,
crtc->funcs = funcs;
crtc->id = drm_mode_idr_get(dev, crtc);
DRM_DEBUG("crtc %p got id %d\n", crtc, crtc->id);
spin_lock(&dev->mode_config.config_lock);
list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
@ -291,7 +290,6 @@ bool drm_set_desired_modes(struct drm_device *dev)
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
output = NULL;
DRM_DEBUG("crtc is %d\n", crtc->id);
list_for_each_entry(list_output, &dev->mode_config.output_list, head) {
if (list_output->crtc == crtc) {
output = list_output;
@ -610,7 +608,7 @@ 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 (crtc->mode.mode_id != new_mode->mode_id)
if (new_mode && (crtc->mode.mode_id != new_mode->mode_id))
changed = true;
list_for_each_entry(output, &dev->mode_config.output_list, head) {
@ -633,8 +631,8 @@ int drm_crtc_set_config(struct drm_crtc *crtc, struct drm_mode_crtc *crtc_info,
}
if (changed) {
crtc->enabled = new_mode != NULL;
if (new_mode) {
crtc->enabled = (new_mode != NULL);
if (new_mode != NULL) {
DRM_DEBUG("attempting to set mode from userspace\n");
drm_mode_debug_printmodeline(dev, new_mode);
if (!drm_crtc_set_mode(crtc, new_mode, crtc_info->x,
@ -687,6 +685,7 @@ int drm_mode_getresources(struct inode *inode, struct file *filp,
struct drm_mode_card_res __user *argp = (void __user *)arg;
struct drm_mode_card_res card_res;
struct list_head *lh;
struct drm_framebuffer *fb;
struct drm_output *output;
struct drm_crtc *crtc;
struct drm_mode_modeinfo u_mode;
@ -695,10 +694,14 @@ int drm_mode_getresources(struct inode *inode, struct file *filp,
int mode_count= 0;
int output_count = 0;
int crtc_count = 0;
int fb_count = 0;
int copied = 0;
memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo));
list_for_each(lh, &dev->mode_config.fb_list)
fb_count++;
list_for_each(lh, &dev->mode_config.crtc_list)
crtc_count++;
@ -722,7 +725,19 @@ int drm_mode_getresources(struct inode *inode, struct file *filp,
}
}
/* handle this in 3 parts */
/* handle this in 4 parts */
/* FBs */
if (card_res.count_fbs >= fb_count) {
copied = 0;
list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
if (put_user(fb->id, &card_res.fb_id[copied++])) {
retcode = -EFAULT;
goto done;
}
}
}
card_res.count_fbs = fb_count;
/* CRTCs */
if (card_res.count_crtcs >= crtc_count) {
copied = 0;
@ -840,11 +855,9 @@ int drm_mode_getoutput(struct inode *inode, struct file *filp,
if (!output || (output->id != out_resp.output))
return -EINVAL;
DRM_DEBUG("about to count modes: %s\n", output->name);
list_for_each_entry(mode, &output->modes, head)
mode_count++;
DRM_DEBUG("about to count modes %d %d %p\n", mode_count, out_resp.count_modes, output->crtc);
strncpy(out_resp.name, output->name, DRM_OUTPUT_NAME_LEN);
out_resp.name[DRM_OUTPUT_NAME_LEN-1] = 0;
@ -1029,9 +1042,18 @@ int drm_mode_rmfb(struct inode *inode, struct file *filp,
/* TODO check if we own the buffer */
/* TODO release all crtc connected to the framebuffer */
/* bind the fb to the crtc for now */
{
struct drm_crtc *crtc;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
if (crtc->fb == fb)
crtc->fb = NULL;
}
}
/* TODO unhock the destructor from the buffer object */
drm_framebuffer_destroy(fb);
return 0;
}

3
shared-core/drm.h
View File

@ -909,7 +909,8 @@ struct drm_mode_modeinfo {
struct drm_mode_card_res {
unsigned int fb_id;
int count_fbs;
unsigned int __user *fb_id;
int count_crtcs;
unsigned int __user *crtc_id;