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-rw-r--r--linux-core/drm_crtc.c87
-rw-r--r--linux-core/drm_crtc.h2
-rw-r--r--linux-core/drm_drv.c1
-rw-r--r--linux-core/drm_fb.c10
-rw-r--r--linux-core/intel_display.c21
5 files changed, 87 insertions, 34 deletions
diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c
index b349527d..2f140dbd 100644
--- a/linux-core/drm_crtc.c
+++ b/linux-core/drm_crtc.c
@@ -37,6 +37,7 @@ struct drm_framebuffer *drm_framebuffer_create(drm_device_t *dev)
spin_lock(&dev->mode_config.config_lock);
/* Limit to single framebuffer for now */
if (dev->mode_config.num_fb > 1) {
+ spin_unlock(&dev->mode_config.config_lock);
DRM_ERROR("Attempt to add multiple framebuffers failed\n");
return NULL;
}
@@ -253,8 +254,7 @@ bool drm_crtc_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode,
/* Now, enable the clocks, plane, pipe, and outputs that we set up. */
crtc->funcs->commit(crtc);
list_for_each_entry(output, &dev->mode_config.output_list, head) {
- if (output->crtc == crtc)
- {
+ if (output->crtc == crtc) {
output->funcs->commit(output);
#if 0 // TODO def RANDR_12_INTERFACE
if (output->randr_output)
@@ -542,6 +542,9 @@ bool drm_initial_config(drm_device_t *dev, struct drm_framebuffer *fb,
list_for_each_entry(output, &dev->mode_config.output_list, head) {
struct drm_display_mode *des_mode;
+ if (list_empty(&output->modes))
+ continue;
+
/* Get the first preferred moded */
list_for_each_entry(des_mode, &output->modes, head) {
if (des_mode->flags & DRM_MODE_TYPE_PREFERRED)
@@ -579,7 +582,7 @@ void drm_mode_config_cleanup(drm_device_t *dev)
{
struct drm_output *output, *ot;
struct drm_crtc *crtc, *ct;
-
+ struct drm_crtc *fb, *fbt;
list_for_each_entry_safe(output, ot, &dev->mode_config.output_list, head) {
drm_output_destroy(output);
}
@@ -587,10 +590,15 @@ void drm_mode_config_cleanup(drm_device_t *dev)
list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) {
drm_crtc_destroy(crtc);
}
+
+ list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
+ drmfb_remove(dev, fb);
+ drm_framebuffer_destroy(fb);
+ }
}
EXPORT_SYMBOL(drm_mode_config_cleanup);
-int drm_crtc_set_config(struct drm_crtc *crtc, struct drm_mode_crtc *crtc_info, struct drm_display_mode *new_mode, struct drm_output **output_set)
+int drm_crtc_set_config(struct drm_crtc *crtc, struct drm_mode_crtc *crtc_info, struct drm_display_mode *new_mode, struct drm_output **output_set, struct drm_framebuffer *fb)
{
drm_device_t *dev = crtc->dev;
struct drm_crtc **save_crtcs, *new_crtc;
@@ -603,6 +611,9 @@ int drm_crtc_set_config(struct drm_crtc *crtc, struct drm_mode_crtc *crtc_info,
if (!save_crtcs)
return -ENOMEM;
+ if (crtc->fb != fb)
+ changed = true;
+
if (crtc_info->x != crtc->x || crtc_info->y != crtc->y)
changed = true;
@@ -617,8 +628,7 @@ int drm_crtc_set_config(struct drm_crtc *crtc, struct drm_mode_crtc *crtc_info,
else
new_crtc = output->crtc;
- for (ro = 0; ro < crtc_info->count_outputs; ro++)
- {
+ for (ro = 0; ro < crtc_info->count_outputs; ro++) {
if (output_set[ro] == output)
new_crtc = crtc;
}
@@ -629,6 +639,7 @@ int drm_crtc_set_config(struct drm_crtc *crtc, struct drm_mode_crtc *crtc_info,
}
if (changed) {
+ crtc->fb = fb;
crtc->enabled = (new_mode != NULL);
if (new_mode != NULL) {
DRM_DEBUG("attempting to set mode from userspace\n");
@@ -897,6 +908,7 @@ int drm_mode_setcrtc(struct inode *inode, struct file *filp,
struct drm_crtc *crtc;
struct drm_output **output_set = NULL, *output;
struct drm_display_mode *mode;
+ struct drm_framebuffer *fb = NULL;
int retcode = 0;
int i;
@@ -904,23 +916,28 @@ int drm_mode_setcrtc(struct inode *inode, struct file *filp,
return -EFAULT;
crtc = idr_find(&dev->mode_config.crtc_idr, crtc_req.crtc_id);
- if (!crtc || (crtc->id != 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) {
+
+ /* if we have a mode we need a framebuffer */
+ if (crtc_req.fb_id) {
+ fb = idr_find(&dev->mode_config.crtc_idr, crtc_req.fb_id);
+ if (!fb || (fb->id != crtc_req.fb_id)) {
+ DRM_DEBUG("Unknown FB ID%d\n", crtc_req.fb_id);
+ return -EINVAL;
+ }
+ }
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);
- }
+ 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);
}
}
@@ -935,8 +952,8 @@ int drm_mode_setcrtc(struct inode *inode, struct file *filp,
return -EINVAL;
}
- if (crtc_req.count_outputs > 0 && !mode) {
- DRM_DEBUG("Count outputs is %d but no mode set\n", crtc_req.count_outputs);
+ 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);
return -EINVAL;
}
@@ -960,7 +977,7 @@ int drm_mode_setcrtc(struct inode *inode, struct file *filp,
}
}
- retcode = drm_crtc_set_config(crtc, &crtc_req, mode, output_set);
+ retcode = drm_crtc_set_config(crtc, &crtc_req, mode, output_set, fb);
return retcode;
}
@@ -1058,3 +1075,33 @@ int drm_mode_rmfb(struct inode *inode, struct file *filp,
return 0;
}
+int drm_mode_getfb(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_fb_cmd __user *argp = (void __user *)arg;
+ struct drm_mode_fb_cmd r;
+ struct drm_framebuffer *fb;
+
+ if (copy_from_user(&r, argp, sizeof(r)))
+ return -EFAULT;
+
+ fb = idr_find(&dev->mode_config.crtc_idr, r.buffer_id);
+ if (!fb || (r.buffer_id != fb->id)) {
+ DRM_ERROR("invalid framebuffer id\n");
+ return -EINVAL;
+ }
+
+ r.height = fb->height;
+ r.width = fb->width;
+ r.depth = fb->depth;
+ r.bpp = fb->bits_per_pixel;
+ r.handle = fb->bo->base.hash.key;
+ r.pitch = fb->pitch;
+
+ if (copy_to_user(argp, &r, sizeof(r)))
+ return -EFAULT;
+
+ return 0;
+}
diff --git a/linux-core/drm_crtc.h b/linux-core/drm_crtc.h
index 54c508c5..c02dcedc 100644
--- a/linux-core/drm_crtc.h
+++ b/linux-core/drm_crtc.h
@@ -474,5 +474,7 @@ extern int drm_mode_addfb(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
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);
#endif /* __DRM_CRTC_H__ */
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index b43af328..b7a7aded 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -129,6 +129,7 @@ static drm_ioctl_desc_t drm_ioctls[] = {
[DRM_IOCTL_NR(DRM_IOCTL_MODE_SETCRTC)] = {drm_mode_setcrtc, DRM_MASTER|DRM_ROOT_ONLY},
[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},
};
#define DRM_CORE_IOCTL_COUNT ARRAY_SIZE( drm_ioctls )
diff --git a/linux-core/drm_fb.c b/linux-core/drm_fb.c
index 1a0fb79c..a70e4d52 100644
--- a/linux-core/drm_fb.c
+++ b/linux-core/drm_fb.c
@@ -77,6 +77,15 @@ static int drmfb_setcolreg(unsigned regno, unsigned red, unsigned green,
return 0;
}
+/* this will let fbcon do the mode init */
+static int drmfb_set_par(struct fb_info *info)
+{
+ struct drmfb_par *par = info->par;
+ struct drm_device *dev = par->dev;
+
+ drm_set_desired_modes(dev);
+}
+
static struct fb_ops drmfb_ops = {
.owner = THIS_MODULE,
// .fb_open = drmfb_open,
@@ -84,6 +93,7 @@ static struct fb_ops drmfb_ops = {
// .fb_write = drmfb_write,
// .fb_release = drmfb_release,
// .fb_ioctl = drmfb_ioctl,
+ .fb_set_par = drmfb_set_par,
.fb_setcolreg = drmfb_setcolreg,
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
diff --git a/linux-core/intel_display.c b/linux-core/intel_display.c
index 396f4cfa..aed86231 100644
--- a/linux-core/intel_display.c
+++ b/linux-core/intel_display.c
@@ -412,8 +412,7 @@ static void intel_crtc_dpms(struct drm_crtc *crtc, int mode)
case DPMSModeSuspend:
/* Enable the DPLL */
temp = I915_READ(dpll_reg);
- if ((temp & DPLL_VCO_ENABLE) == 0)
- {
+ if ((temp & DPLL_VCO_ENABLE) == 0) {
I915_WRITE(dpll_reg, temp);
I915_READ(dpll_reg);
/* Wait for the clocks to stabilize. */
@@ -435,8 +434,7 @@ static void intel_crtc_dpms(struct drm_crtc *crtc, int mode)
/* Enable the plane */
temp = I915_READ(dspcntr_reg);
- if ((temp & DISPLAY_PLANE_ENABLE) == 0)
- {
+ if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
I915_WRITE(dspcntr_reg, temp | DISPLAY_PLANE_ENABLE);
/* Flush the plane changes */
I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
@@ -456,8 +454,7 @@ static void intel_crtc_dpms(struct drm_crtc *crtc, int mode)
/* Disable display plane */
temp = I915_READ(dspcntr_reg);
- if ((temp & DISPLAY_PLANE_ENABLE) != 0)
- {
+ if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
I915_WRITE(dspcntr_reg, temp & ~DISPLAY_PLANE_ENABLE);
/* Flush the plane changes */
I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
@@ -719,11 +716,9 @@ static void intel_crtc_mode_set(struct drm_crtc *crtc,
dpll |= DPLLB_MODE_LVDS;
else
dpll |= DPLLB_MODE_DAC_SERIAL;
- if (is_sdvo)
- {
+ if (is_sdvo) {
dpll |= DPLL_DVO_HIGH_SPEED;
- if (IS_I945G(dev) || IS_I945GM(dev))
- {
+ if (IS_I945G(dev) || IS_I945GM(dev)) {
int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
dpll |= (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES;
}
@@ -760,8 +755,7 @@ static void intel_crtc_mode_set(struct drm_crtc *crtc,
}
}
- if (is_tv)
- {
+ if (is_tv) {
/* XXX: just matching BIOS for now */
/* dpll |= PLL_REF_INPUT_TVCLKINBC; */
dpll |= 3;
@@ -801,8 +795,7 @@ static void intel_crtc_mode_set(struct drm_crtc *crtc,
dspcntr |= DISPPLANE_SEL_PIPE_B;
pipeconf = I915_READ(pipeconf_reg);
- if (pipe == 0 && !IS_I965G(dev))
- {
+ if (pipe == 0 && !IS_I965G(dev)) {
/* Enable pixel doubling when the dot clock is > 90% of the (display)
* core speed.
*
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 17:19:13 +0000