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authorAlex Deucher <alexander.deucher@amd.com>2013-03-18 17:12:50 -0400
committerBen Hutchings <ben@decadent.org.uk>2013-05-13 15:02:12 +0100
commitc54fd985b53459023ef8205fdc09993b7badeedf (patch)
tree7840facbb6d2e7a95c9518eed4c5cf36ac3b3ad8 /drivers/gpu
parentc08f24e209c8d0dbd2274af9327195d9ec1c2a53 (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: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c6
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 ebd6c5175d1e..d58eccbd7f24 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -863,7 +863,11 @@ 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));