hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

drm/vmwgfx: Adapt capability reporting to new hardware version 

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Zack Rusin <zackr@vmware.com>

Conflicts:
	drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
This commit is contained in:
Thomas Hellstrom 2012-11-21 10:37:20 +01:00
parent c1234db74d
commit 716a2fd66d
1 changed files with 34 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
View File

@ -68,6 +68,17 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data,
SVGA_FIFO_3D_HWVERSION));
break;
}
case DRM_VMW_PARAM_MAX_SURF_MEMORY:
param->value = dev_priv->memory_size;
break;
case DRM_VMW_PARAM_3D_CAPS_SIZE:
if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS)
param->value = SVGA3D_DEVCAP_MAX;
else
param->value = (SVGA_FIFO_3D_CAPS_LAST -
SVGA_FIFO_3D_CAPS + 1);
param->value *= sizeof(uint32_t);
break;
default:
DRM_ERROR("Illegal vmwgfx get param request: %d\n",
param->param);
@ -89,13 +100,19 @@ int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
void __user *buffer = (void __user *)((unsigned long)(arg->buffer));
void *bounce;
int ret;
bool gb_objects = !!(dev_priv->capabilities & SVGA_CAP_GBOBJECTS);
if (unlikely(arg->pad64 != 0)) {
DRM_ERROR("Illegal GET_3D_CAP argument.\n");
return -EINVAL;
}
size = (SVGA_FIFO_3D_CAPS_LAST - SVGA_FIFO_3D_CAPS + 1) << 2;
if (gb_objects)
size = SVGA3D_DEVCAP_MAX;
else
size = (SVGA_FIFO_3D_CAPS_LAST - SVGA_FIFO_3D_CAPS + 1);
size *= sizeof(uint32_t);
if (arg->max_size < size)
size = arg->max_size;
@ -106,8 +123,22 @@ int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
return -ENOMEM;
}
fifo_mem = dev_priv->mmio_virt;
memcpy_fromio(bounce, &fifo_mem[SVGA_FIFO_3D_CAPS], size);
if (gb_objects) {
int i;
uint32_t *bounce32 = (uint32_t *) bounce;
mutex_lock(&dev_priv->hw_mutex);
for (i = 0; i < SVGA3D_DEVCAP_MAX; ++i) {
vmw_write(dev_priv, SVGA_REG_DEV_CAP, i);
*bounce32++ = vmw_read(dev_priv, SVGA_REG_DEV_CAP);
}
mutex_unlock(&dev_priv->hw_mutex);
} else {
fifo_mem = dev_priv->mmio_virt;
memcpy_fromio(bounce, &fifo_mem[SVGA_FIFO_3D_CAPS], size);
}
ret = copy_to_user(buffer, bounce, size);
if (ret)