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https://github.com/edk2-porting/linux-next.git
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f77cef3db3
When time-based throttling is implemented, we need to bump minor. When the old way of detecting scanout is removed, we need to bump major. In the meantime, this change should not break existing user-space. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Jakob Bornecrantz <jakob@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
88 lines
3.0 KiB
C
88 lines
3.0 KiB
C
/**************************************************************************
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*
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* Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "vmwgfx_drv.h"
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#include "vmwgfx_drm.h"
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int vmw_getparam_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv)
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{
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struct vmw_private *dev_priv = vmw_priv(dev);
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struct drm_vmw_getparam_arg *param =
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(struct drm_vmw_getparam_arg *)data;
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switch (param->param) {
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case DRM_VMW_PARAM_NUM_STREAMS:
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param->value = vmw_overlay_num_overlays(dev_priv);
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break;
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case DRM_VMW_PARAM_NUM_FREE_STREAMS:
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param->value = vmw_overlay_num_free_overlays(dev_priv);
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break;
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case DRM_VMW_PARAM_3D:
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param->value = vmw_fifo_have_3d(dev_priv) ? 1 : 0;
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break;
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case DRM_VMW_PARAM_FIFO_OFFSET:
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param->value = dev_priv->mmio_start;
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break;
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case DRM_VMW_PARAM_HW_CAPS:
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param->value = dev_priv->capabilities;
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break;
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case DRM_VMW_PARAM_FIFO_CAPS:
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param->value = dev_priv->fifo.capabilities;
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break;
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default:
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DRM_ERROR("Illegal vmwgfx get param request: %d\n",
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param->param);
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return -EINVAL;
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}
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return 0;
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}
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int vmw_fifo_debug_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv)
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{
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struct vmw_private *dev_priv = vmw_priv(dev);
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struct vmw_fifo_state *fifo_state = &dev_priv->fifo;
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struct drm_vmw_fifo_debug_arg *arg =
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(struct drm_vmw_fifo_debug_arg *)data;
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__le32 __user *buffer = (__le32 __user *)
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(unsigned long)arg->debug_buffer;
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if (unlikely(fifo_state->last_buffer == NULL))
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return -EINVAL;
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if (arg->debug_buffer_size < fifo_state->last_data_size) {
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arg->used_size = arg->debug_buffer_size;
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arg->did_not_fit = 1;
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} else {
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arg->used_size = fifo_state->last_data_size;
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arg->did_not_fit = 0;
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}
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return copy_to_user(buffer, fifo_state->last_buffer, arg->used_size);
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}
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