summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/nouveau_fbcon.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_fbcon.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_fbcon.c160
1 files changed, 119 insertions, 41 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 02a4d1fd484..ea861c91514 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -49,6 +49,96 @@
#include "nouveau_fbcon.h"
#include "nouveau_dma.h"
+static void
+nouveau_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
+{
+ struct nouveau_fbdev *nfbdev = info->par;
+ struct drm_device *dev = nfbdev->dev;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ int ret;
+
+ if (info->state != FBINFO_STATE_RUNNING)
+ return;
+
+ ret = -ENODEV;
+ if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
+ mutex_trylock(&dev_priv->channel->mutex)) {
+ if (dev_priv->card_type < NV_50)
+ ret = nv04_fbcon_fillrect(info, rect);
+ else
+ if (dev_priv->card_type < NV_C0)
+ ret = nv50_fbcon_fillrect(info, rect);
+ mutex_unlock(&dev_priv->channel->mutex);
+ }
+
+ if (ret == 0)
+ return;
+
+ if (ret != -ENODEV)
+ nouveau_fbcon_gpu_lockup(info);
+ cfb_fillrect(info, rect);
+}
+
+static void
+nouveau_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *image)
+{
+ struct nouveau_fbdev *nfbdev = info->par;
+ struct drm_device *dev = nfbdev->dev;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ int ret;
+
+ if (info->state != FBINFO_STATE_RUNNING)
+ return;
+
+ ret = -ENODEV;
+ if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
+ mutex_trylock(&dev_priv->channel->mutex)) {
+ if (dev_priv->card_type < NV_50)
+ ret = nv04_fbcon_copyarea(info, image);
+ else
+ if (dev_priv->card_type < NV_C0)
+ ret = nv50_fbcon_copyarea(info, image);
+ mutex_unlock(&dev_priv->channel->mutex);
+ }
+
+ if (ret == 0)
+ return;
+
+ if (ret != -ENODEV)
+ nouveau_fbcon_gpu_lockup(info);
+ cfb_copyarea(info, image);
+}
+
+static void
+nouveau_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
+{
+ struct nouveau_fbdev *nfbdev = info->par;
+ struct drm_device *dev = nfbdev->dev;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ int ret;
+
+ if (info->state != FBINFO_STATE_RUNNING)
+ return;
+
+ ret = -ENODEV;
+ if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
+ mutex_trylock(&dev_priv->channel->mutex)) {
+ if (dev_priv->card_type < NV_50)
+ ret = nv04_fbcon_imageblit(info, image);
+ else
+ if (dev_priv->card_type < NV_C0)
+ ret = nv50_fbcon_imageblit(info, image);
+ mutex_unlock(&dev_priv->channel->mutex);
+ }
+
+ if (ret == 0)
+ return;
+
+ if (ret != -ENODEV)
+ nouveau_fbcon_gpu_lockup(info);
+ cfb_imageblit(info, image);
+}
+
static int
nouveau_fbcon_sync(struct fb_info *info)
{
@@ -58,12 +148,17 @@ nouveau_fbcon_sync(struct fb_info *info)
struct nouveau_channel *chan = dev_priv->channel;
int ret, i;
- if (!chan || !chan->accel_done ||
+ if (!chan || !chan->accel_done || in_interrupt() ||
info->state != FBINFO_STATE_RUNNING ||
info->flags & FBINFO_HWACCEL_DISABLED)
return 0;
- if (RING_SPACE(chan, 4)) {
+ if (!mutex_trylock(&chan->mutex))
+ return 0;
+
+ ret = RING_SPACE(chan, 4);
+ if (ret) {
+ mutex_unlock(&chan->mutex);
nouveau_fbcon_gpu_lockup(info);
return 0;
}
@@ -74,6 +169,7 @@ nouveau_fbcon_sync(struct fb_info *info)
OUT_RING(chan, 0);
nouveau_bo_wr32(chan->notifier_bo, chan->m2mf_ntfy + 3, 0xffffffff);
FIRE_RING(chan);
+ mutex_unlock(&chan->mutex);
ret = -EBUSY;
for (i = 0; i < 100000; i++) {
@@ -97,9 +193,9 @@ static struct fb_ops nouveau_fbcon_ops = {
.owner = THIS_MODULE,
.fb_check_var = drm_fb_helper_check_var,
.fb_set_par = drm_fb_helper_set_par,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
+ .fb_fillrect = nouveau_fbcon_fillrect,
+ .fb_copyarea = nouveau_fbcon_copyarea,
+ .fb_imageblit = nouveau_fbcon_imageblit,
.fb_sync = nouveau_fbcon_sync,
.fb_pan_display = drm_fb_helper_pan_display,
.fb_blank = drm_fb_helper_blank,
@@ -108,29 +204,13 @@ static struct fb_ops nouveau_fbcon_ops = {
.fb_debug_leave = drm_fb_helper_debug_leave,
};
-static struct fb_ops nv04_fbcon_ops = {
+static struct fb_ops nouveau_fbcon_sw_ops = {
.owner = THIS_MODULE,
.fb_check_var = drm_fb_helper_check_var,
.fb_set_par = drm_fb_helper_set_par,
- .fb_fillrect = nv04_fbcon_fillrect,
- .fb_copyarea = nv04_fbcon_copyarea,
- .fb_imageblit = nv04_fbcon_imageblit,
- .fb_sync = nouveau_fbcon_sync,
- .fb_pan_display = drm_fb_helper_pan_display,
- .fb_blank = drm_fb_helper_blank,
- .fb_setcmap = drm_fb_helper_setcmap,
- .fb_debug_enter = drm_fb_helper_debug_enter,
- .fb_debug_leave = drm_fb_helper_debug_leave,
-};
-
-static struct fb_ops nv50_fbcon_ops = {
- .owner = THIS_MODULE,
- .fb_check_var = drm_fb_helper_check_var,
- .fb_set_par = drm_fb_helper_set_par,
- .fb_fillrect = nv50_fbcon_fillrect,
- .fb_copyarea = nv50_fbcon_copyarea,
- .fb_imageblit = nv50_fbcon_imageblit,
- .fb_sync = nouveau_fbcon_sync,
+ .fb_fillrect = cfb_fillrect,
+ .fb_copyarea = cfb_copyarea,
+ .fb_imageblit = cfb_imageblit,
.fb_pan_display = drm_fb_helper_pan_display,
.fb_blank = drm_fb_helper_blank,
.fb_setcmap = drm_fb_helper_setcmap,
@@ -257,9 +337,9 @@ nouveau_fbcon_create(struct nouveau_fbdev *nfbdev,
FBINFO_HWACCEL_FILLRECT |
FBINFO_HWACCEL_IMAGEBLIT;
info->flags |= FBINFO_CAN_FORCE_OUTPUT;
- info->fbops = &nouveau_fbcon_ops;
- info->fix.smem_start = dev->mode_config.fb_base + nvbo->bo.offset -
- dev_priv->vm_vram_base;
+ info->fbops = &nouveau_fbcon_sw_ops;
+ info->fix.smem_start = dev->mode_config.fb_base +
+ (nvbo->bo.mem.start << PAGE_SHIFT);
info->fix.smem_len = size;
info->screen_base = nvbo_kmap_obj_iovirtual(nouveau_fb->nvbo);
@@ -285,19 +365,18 @@ nouveau_fbcon_create(struct nouveau_fbdev *nfbdev,
info->pixmap.flags = FB_PIXMAP_SYSTEM;
info->pixmap.scan_align = 1;
+ mutex_unlock(&dev->struct_mutex);
+
if (dev_priv->channel && !nouveau_nofbaccel) {
- switch (dev_priv->card_type) {
- case NV_C0:
- break;
- case NV_50:
- nv50_fbcon_accel_init(info);
- info->fbops = &nv50_fbcon_ops;
- break;
- default:
- nv04_fbcon_accel_init(info);
- info->fbops = &nv04_fbcon_ops;
- break;
- };
+ ret = -ENODEV;
+ if (dev_priv->card_type < NV_50)
+ ret = nv04_fbcon_accel_init(info);
+ else
+ if (dev_priv->card_type < NV_C0)
+ ret = nv50_fbcon_accel_init(info);
+
+ if (ret == 0)
+ info->fbops = &nouveau_fbcon_ops;
}
nouveau_fbcon_zfill(dev, nfbdev);
@@ -308,7 +387,6 @@ nouveau_fbcon_create(struct nouveau_fbdev *nfbdev,
nouveau_fb->base.height,
nvbo->bo.offset, nvbo);
- mutex_unlock(&dev->struct_mutex);
vga_switcheroo_client_fb_set(dev->pdev, info);
return 0;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-25 08:06:25 +0000