diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-03-18 17:12:50 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-11 13:38:02 -0700 |
| commit | b1459cd57d01eb554821bf263463ef18bc1f59ef (patch) | |
| tree | a0cfdbc3dd8cce6d22ee0dab391899a9cd83d36c | |
| parent | c2fde23d77ebcf4577fdd703af8b1600f3c87f69 (diff) | |
drm/radeon: don't use get_engine_clock() on APUs
commit bf05d9985111f85ed6922c134567b96eb789283b upstream.
It doesn't work reliably. Just report back the currently
selected engine clock.
Partially fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=62493
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 4f88863bcc4..8270a85d940 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -845,7 +845,11 @@ static int radeon_debugfs_pm_info(struct seq_file *m, void *data) struct radeon_device *rdev = dev->dev_private; seq_printf(m, "default engine clock: %u0 kHz\n", rdev->pm.default_sclk); - seq_printf(m, "current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev)); + /* radeon_get_engine_clock is not reliable on APUs so just print the current clock */ + if ((rdev->family >= CHIP_PALM) && (rdev->flags & RADEON_IS_IGP)) + seq_printf(m, "current engine clock: %u0 kHz\n", rdev->pm.current_sclk); + else + seq_printf(m, "current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev)); seq_printf(m, "default memory clock: %u0 kHz\n", rdev->pm.default_mclk); if (rdev->asic->get_memory_clock) seq_printf(m, "current memory clock: %u0 kHz\n", radeon_get_memory_clock(rdev)); |