drm/radeon: adjust TN dpm parameters for stability (v2)

commit 958b84fb3bef193198538b5c5902fa687cc8363f upstream.

Adjust some of the TN dpm settings for stability.  Enabling
these features causes hangs and other stability problems
on certain boards.

v2: leave uvd dpm enabled

Bug:
https://bugzilla.kernel.org/show_bug.cgi?id=63101

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c
index 9364129ba292e1b5412a0d10818ed158c95bb0fa..d700698a1f224bea67bd585061289e56735072e4 100644 (file)
--- a/drivers/gpu/drm/radeon/trinity_dpm.c
+++ b/drivers/gpu/drm/radeon/trinity_dpm.c
@@ -1873,9 +1873,9 @@ int trinity_dpm_init(struct radeon_device *rdev)
        pi->enable_sclk_ds = true;
        pi->enable_gfx_power_gating = true;
        pi->enable_gfx_clock_gating = true;
-       pi->enable_mg_clock_gating = true;
-       pi->enable_gfx_dynamic_mgpg = true; /* ??? */
-       pi->override_dynamic_mgpg = true;
+       pi->enable_mg_clock_gating = false;
+       pi->enable_gfx_dynamic_mgpg = false;
+       pi->override_dynamic_mgpg = false;
        pi->enable_auto_thermal_throttling = true;
        pi->voltage_drop_in_dce = false; /* need to restructure dpm/modeset interaction */
        pi->uvd_dpm = true; /* ??? */