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  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: Rafał Miłecki <zajec5@gmail.com>
  21.  */
  22. #include "drmP.h"
  23. #include "radeon.h"
  24.  
  25. int radeon_debugfs_pm_init(struct radeon_device *rdev);
  26.  
  27. int radeon_pm_init(struct radeon_device *rdev)
  28. {
  29.         if (radeon_debugfs_pm_init(rdev)) {
  30.                 DRM_ERROR("Failed to register debugfs file for PM!\n");
  31.         }
  32.  
  33.         return 0;
  34. }
  35.  
  36. /*
  37.  * Debugfs info
  38.  */
  39. #if defined(CONFIG_DEBUG_FS)
  40.  
  41. static 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, "default engine clock: %u0 kHz\n", rdev->clock.default_sclk);
  48.         seq_printf(m, "current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev));
  49.         seq_printf(m, "default memory clock: %u0 kHz\n", rdev->clock.default_mclk);
  50.         if (rdev->asic->get_memory_clock)
  51.                 seq_printf(m, "current memory clock: %u0 kHz\n", radeon_get_memory_clock(rdev));
  52.  
  53.         return 0;
  54. }
  55.  
  56. static struct drm_info_list radeon_pm_info_list[] = {
  57.         {"radeon_pm_info", radeon_debugfs_pm_info, 0, NULL},
  58. };
  59. #endif
  60.  
  61. int radeon_debugfs_pm_init(struct radeon_device *rdev)
  62. {
  63. #if defined(CONFIG_DEBUG_FS)
  64.         return radeon_debugfs_add_files(rdev, radeon_pm_info_list, ARRAY_SIZE(radeon_pm_info_list));
  65. #else
  66.         return 0;
  67. #endif
  68. }
  69.