drm/radeon: don't reset the MC on IGPs/APUs
The MC isn't part of the GPU per se.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 3f29276..dbcb075 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1475,8 +1475,10 @@
if (reset_mask & RADEON_RESET_GRBM)
srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
- if (reset_mask & RADEON_RESET_MC)
- srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1);
+ if (!(rdev->flags & RADEON_IS_IGP)) {
+ if (reset_mask & RADEON_RESET_MC)
+ srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1);
+ }
if (reset_mask & RADEON_RESET_VMC)
srbm_soft_reset |= S_000E60_SOFT_RESET_VMC(1);