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drm/radeon/kms: add debugfs for power management for AtomBIOS devices

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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Rafał Miłecki 2009-11-03 00:53:02 +01:00 • committed by Dave Airlie
parent a3fa6320ce
commit 7433874e31
13 changed files with 132 additions and 2 deletions
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65
drivers/gpu/drm/radeon/radeon_pm.c Normal file
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/*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Rafał Miłecki <zajec5@gmail.com>
*/
#include "drmP.h"
#include "radeon.h"
int radeon_debugfs_pm_init(struct radeon_device *rdev);
int radeon_pm_init(struct radeon_device *rdev)
{
if (radeon_debugfs_pm_init(rdev)) {
DRM_ERROR("Failed to register debugfs file for CP !\n");
}
return 0;
}
/*
* Debugfs info
*/
#if defined(CONFIG_DEBUG_FS)
static int radeon_debugfs_pm_info(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
struct radeon_device *rdev = dev->dev_private;
seq_printf(m, "engine clock: %u0 Hz\n", radeon_get_engine_clock(rdev));
seq_printf(m, "memory clock: %u0 Hz\n", radeon_get_memory_clock(rdev));
return 0;
}
static struct drm_info_list radeon_pm_info_list[] = {
{"radeon_pm_info", radeon_debugfs_pm_info, 0, NULL},
};
#endif
int radeon_debugfs_pm_init(struct radeon_device *rdev)
{
#if defined(CONFIG_DEBUG_FS)
return radeon_debugfs_add_files(rdev, radeon_pm_info_list, ARRAY_SIZE(radeon_pm_info_list));
#else
return 0;
#endif
}