From: Alex Deucher Date: Mon, 21 Jul 2014 14:41:13 +0000 (-0400) Subject: drm/radeon/TN: only enable bapm on MSI systems X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1168e46269a281b27554fb9d75259e81c8e18120;p=karo-tx-linux.git drm/radeon/TN: only enable bapm on MSI systems commit 730a336c33a3398d65896e8ee3ef9f5679fe30a9 upstream. There still seem to be stability problems with other systems. Bug: https://bugs.freedesktop.org/show_bug.cgi?id=72921 Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c index 19be829d2cd7..d9cfa09b2e3f 100644 --- a/drivers/gpu/drm/radeon/trinity_dpm.c +++ b/drivers/gpu/drm/radeon/trinity_dpm.c @@ -1877,15 +1877,16 @@ int trinity_dpm_init(struct radeon_device *rdev) for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) pi->at[i] = TRINITY_AT_DFLT; - /* There are stability issues reported on latops with - * bapm installed when switching between AC and battery - * power. At the same time, some desktop boards hang - * if it's not enabled and dpm is enabled. + /* There are stability issues reported on with + * bapm enabled when switching between AC and battery + * power. At the same time, some MSI boards hang + * if it's not enabled and dpm is enabled. Just enable + * it for MSI boards right now. */ - if (rdev->flags & RADEON_IS_MOBILITY) - pi->enable_bapm = false; - else + if (rdev->pdev->subsystem_vendor == 0x1462) pi->enable_bapm = true; + else + pi->enable_bapm = false; pi->enable_nbps_policy = true; pi->enable_sclk_ds = true; pi->enable_gfx_power_gating = true;