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-rw-r--r--linux-core/drm_crtc.c101
-rw-r--r--linux-core/drm_crtc.h6
-rw-r--r--linux-core/drm_modes.c4
3 files changed, 76 insertions, 35 deletions
diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c
index ce2073d1..46b7f7ae 100644
--- a/linux-core/drm_crtc.c
+++ b/linux-core/drm_crtc.c
@@ -371,7 +371,7 @@ struct drm_output *drm_output_create(drm_device_t *dev,
{
struct drm_output *output = NULL;
- output = kmalloc(sizeof(struct drm_output), GFP_KERNEL);
+ output = kzalloc(sizeof(struct drm_output), GFP_KERNEL);
if (!output)
return NULL;
@@ -471,13 +471,13 @@ static int drm_get_buffer_object(drm_device_t *dev, struct drm_buffer_object **b
drm_hash_item_t *hash;
int ret;
- *bo = NULL;
+ *bo = NULL;
mutex_lock(&dev->struct_mutex);
ret = drm_ht_find_item(&dev->object_hash, handle, &hash);
if (ret) {
DRM_ERROR("Couldn't find handle.\n");
- ret = -EINVAL;
+ ret = -EINVAL;
goto out_err;
}
@@ -486,7 +486,7 @@ static int drm_get_buffer_object(drm_device_t *dev, struct drm_buffer_object **b
ret = -EINVAL;
goto out_err;
}
-
+
*bo = drm_user_object_entry(uo, drm_buffer_object_t, base);
ret = 0;
out_err:
@@ -517,7 +517,7 @@ bool drm_initial_config(drm_device_t *dev, bool can_grow)
/* bind both CRTCs to this fb */
/* only initialise one crtc to enabled state */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- crtc->fb = fb;
+ // crtc->fb = fb;
if (!vga_crtc) {
vga_crtc = crtc;
crtc->enabled = 1;
@@ -699,15 +699,14 @@ int drm_mode_getresources(struct inode *inode, struct file *filp,
int output_count = 0;
int crtc_count = 0;
int copied = 0;
-
+
memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo));
list_for_each(lh, &dev->mode_config.crtc_list)
crtc_count++;
list_for_each_entry(output, &dev->mode_config.output_list,
- head)
- {
+ head) {
output_count++;
list_for_each(lh, &output->modes)
mode_count++;
@@ -716,6 +715,16 @@ int drm_mode_getresources(struct inode *inode, struct file *filp,
if (copy_from_user(&card_res, argp, sizeof(card_res)))
return -EFAULT;
+ if (card_res.count_modes == 0) {
+ DRM_DEBUG("probing modes %dx%d\n", dev->mode_config.max_width, dev->mode_config.max_height);
+ drm_crtc_probe_output_modes(dev, dev->mode_config.max_width, dev->mode_config.max_height);
+ mode_count = 0;
+ list_for_each_entry(output, &dev->mode_config.output_list, head) {
+ list_for_each(lh, &output->modes)
+ mode_count++;
+ }
+ }
+
/* handle this in 3 parts */
/* CRTCs */
if (card_res.count_crtcs >= crtc_count) {
@@ -829,13 +838,16 @@ int drm_mode_getoutput(struct inode *inode, struct file *filp,
if (copy_from_user(&out_resp, argp, sizeof(out_resp)))
return -EFAULT;
+ DRM_DEBUG("output id %d\n", out_resp.output);
output= idr_find(&dev->mode_config.crtc_idr, out_resp.output);
if (!output || (output->id != out_resp.output))
return -EINVAL;
+ DRM_DEBUG("about to count modes\n");
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);
out_resp.mm_width = output->mm_width;
out_resp.mm_height = output->mm_height;
out_resp.subpixel = output->subpixel_order;
@@ -845,7 +857,7 @@ int drm_mode_getoutput(struct inode *inode, struct file *filp,
else
out_resp.crtc = 0;
- if (out_resp.count_modes >= mode_count) {
+ if ((out_resp.count_modes >= mode_count) && mode_count) {
copied = 0;
list_for_each_entry(mode, &output->modes, head) {
if (put_user(mode->mode_id, &out_resp.modes[copied++])) {
@@ -882,20 +894,40 @@ int drm_mode_setcrtc(struct inode *inode, struct file *filp,
crtc = idr_find(&dev->mode_config.crtc_idr, crtc_req.crtc_id);
if (!crtc || (crtc->id != crtc_req.crtc_id))
+ {
+ DRM_DEBUG("Unknown CRTC ID %d\n", crtc_req.crtc_id);
return -EINVAL;
+ }
if (crtc_req.mode) {
mode = idr_find(&dev->mode_config.crtc_idr, crtc_req.mode);
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);
+ }
+ }
+ }
+
+ DRM_DEBUG("Unknown mode id %d, %p\n", crtc_req.mode, mode);
return -EINVAL;
+ }
} else
mode = NULL;
- if (crtc_req.count_outputs == 0 && mode)
+ if (crtc_req.count_outputs == 0 && mode) {
+ DRM_DEBUG("Count outputs is 0 but mode set\n");
return -EINVAL;
+ }
- if (crtc_req.count_outputs > 0 && !mode)
+ if (crtc_req.count_outputs > 0 && !mode) {
+ DRM_DEBUG("Count outputs is %d but no mode set\n", crtc_req.count_outputs);
return -EINVAL;
+ }
if (crtc_req.count_outputs > 0) {
u32 out_id;
@@ -903,14 +935,15 @@ int drm_mode_setcrtc(struct inode *inode, struct file *filp,
if (!output_set)
return -ENOMEM;
- for (i = 0; i < crtc_req.count_outputs; i++)
- {
+ for (i = 0; i < crtc_req.count_outputs; i++) {
if (get_user(out_id, &crtc_req.set_outputs[i]))
return -EFAULT;
output = idr_find(&dev->mode_config.crtc_idr, out_id);
- if (!output || (out_id != output->id))
+ if (!output || (out_id != output->id)) {
+ DRM_DEBUG("Output id %d unknown\n", out_id);
return -EINVAL;
+ }
output_set[i] = output;
}
@@ -922,16 +955,16 @@ int drm_mode_setcrtc(struct inode *inode, struct file *filp,
/* Add framebuffer ioctl */
int drm_mode_addfb(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+ unsigned int cmd, unsigned long arg)
{
struct drm_file *priv = filp->private_data;
struct drm_device *dev = priv->head->dev;
struct drm_mode_fb_cmd __user *argp = (void __user *)arg;
struct drm_mode_fb_cmd r;
- struct drm_mode_config *config = &dev->mode_config;
+ struct drm_mode_config *config = &dev->mode_config;
struct drm_framebuffer *fb;
struct drm_buffer_object *bo;
- int ret;
+ int ret;
if (copy_from_user(&r, argp, sizeof(r)))
return -EFAULT;
@@ -939,16 +972,16 @@ int drm_mode_addfb(struct inode *inode, struct file *filp,
if ((config->min_width > r.width) || (r.width > config->max_width)) {
DRM_ERROR("mode new framebuffer width not within limits\n");
return -EINVAL;
- }
+ }
if ((config->min_height > r.height) || (r.height > config->max_height)) {
DRM_ERROR("mode new framebuffer height not within limits\n");
return -EINVAL;
}
/* TODO check limits are okay */
- ret = drm_get_buffer_object(dev, &bo, r.handle);
- if (ret || !bo)
- return -EINVAL;
+ ret = drm_get_buffer_object(dev, &bo, r.handle);
+ if (ret || !bo)
+ return -EINVAL;
/* TODO check buffer is sufficently large */
/* TODO setup destructor callback */
@@ -957,22 +990,30 @@ int drm_mode_addfb(struct inode *inode, struct file *filp,
if(!fb)
return -EINVAL;;
- fb->width = r.width;
- fb->height = r.height;
- fb->pitch = r.pitch;
+ fb->width = r.width;
+ fb->height = r.height;
+ fb->pitch = r.pitch;
fb->bits_per_pixel = r.bpp;
- fb->offset = bo->offset;
- fb->bo = bo;
+ fb->offset = bo->offset;
+ fb->bo = bo;
- r.buffer_id = fb->id;
- if (copy_to_user(argp, &r, sizeof(r)))
- return -EFAULT;
+ r.buffer_id = fb->id;
+
+ /* bind the fb to the crtc for now */
+ {
+ struct drm_crtc *crtc;
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ crtc->fb = fb;
+ }
+ }
+ if (copy_to_user(argp, &r, sizeof(r)))
+ return -EFAULT;
return 0;
}
int drm_mode_rmfb(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+ unsigned int cmd, unsigned long arg)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->head->dev;
diff --git a/linux-core/drm_crtc.h b/linux-core/drm_crtc.h
index 19d7cf51..142e0ecb 100644
--- a/linux-core/drm_crtc.h
+++ b/linux-core/drm_crtc.h
@@ -178,7 +178,7 @@ struct drm_framebuffer {
unsigned int depth;
int bits_per_pixel;
int flags;
- struct drm_buffer_object *bo;
+ struct drm_buffer_object *bo;
};
struct drm_crtc;
struct drm_output;
@@ -456,8 +456,8 @@ extern int drm_mode_getoutput(struct inode *inode, struct file *filp,
extern int drm_mode_setcrtc(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_mode_addfb(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg);
+ unsigned int cmd, unsigned long arg);
extern int drm_mode_rmfb(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg);
+ unsigned int cmd, unsigned long arg);
#endif /* __DRM_CRTC_H__ */
diff --git a/linux-core/drm_modes.c b/linux-core/drm_modes.c
index bedef163..0f2a612a 100644
--- a/linux-core/drm_modes.c
+++ b/linux-core/drm_modes.c
@@ -36,8 +36,8 @@
void drm_mode_debug_printmodeline(struct drm_device *dev,
struct drm_display_mode *mode)
{
- DRM_DEBUG("Modeline \"%s\" %d %d %d %d %d %d %d %d %d %d\n",
- mode->name, mode->vrefresh / 1000, mode->clock,
+ DRM_DEBUG("Modeline %d:\"%s\" %d %d %d %d %d %d %d %d %d %d\n",
+ mode->mode_id, mode->name, mode->vrefresh / 1000, mode->clock,
mode->hdisplay, mode->hsync_start,
mode->hsync_end, mode->htotal,
mode->vdisplay, mode->vsync_start,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 05:35:52 +0000