LXR linux/drivers/gpu/drm/radeon/radeon

   1/*
   2 * Permission is hereby granted, free of charge, to any person obtaining a
   3 * copy of this software and associated documentation files (the "Software"),
   4 * to deal in the Software without restriction, including without limitation
   5 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   6 * and/or sell copies of the Software, and to permit persons to whom the
   7 * Software is furnished to do so, subject to the following conditions:
   8 *
   9 * The above copyright notice and this permission notice shall be included in
  10 * all copies or substantial portions of the Software.
  11 *
  12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  14 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  15 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  16 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  17 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  18 * OTHER DEALINGS IN THE SOFTWARE.
  19 *
  20 * Authors: RafaÅ MiÅecki <zajec5@gmail.com>
  21 */
  22#include "drmP.h"
  23#include "radeon.h"
  24
  25int radeon_debugfs_pm_init(struct radeon_device *rdev);
  26
  27int radeon_pm_init(struct radeon_device *rdev)
  28{
  29        if (radeon_debugfs_pm_init(rdev)) {
  30                DRM_ERROR("Failed to register debugfs file for CP !\n");
  31        }
  32
  33        return 0;
  34}
  35
  36/*
  37 * Debugfs info
  38 */
  39#if defined(CONFIG_DEBUG_FS)
  40
  41static int radeon_debugfs_pm_info(struct seq_file *m, void *data)
  42{
  43        struct drm_info_node *node = (struct drm_info_node *) m->private;
  44        struct drm_device *dev = node->minor->dev;
  45        struct radeon_device *rdev = dev->dev_private;
  46
  47        seq_printf(m, "engine clock: %u0 Hz\n", radeon_get_engine_clock(rdev));
  48        seq_printf(m, "memory clock: %u0 Hz\n", radeon_get_memory_clock(rdev));
  49
  50        return 0;
  51}
  52
  53static struct drm_info_list radeon_pm_info_list[] = {
  54        {"radeon_pm_info", radeon_debugfs_pm_info, 0, NULL},
  55};
  56#endif
  57
  58int radeon_debugfs_pm_init(struct radeon_device *rdev)
  59{
  60#if defined(CONFIG_DEBUG_FS)
  61        return radeon_debugfs_add_files(rdev, radeon_pm_info_list, ARRAY_SIZE(radeon_pm_info_list));
  62#else
  63        return 0;
  64#endif
  65}
  66