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Commit bf05d998 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon: don't use get_engine_clock() on APUs 

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: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 7ac8833f

drivers/gpu/drm/radeon/radeon_pm.c

+5 −1
Original line number Diff line number Diff line
@@ -843,6 +843,10 @@ 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);

	/* 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->pm.get_memory_clock)