X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fradeon%2Frv770_dpm.c;h=374499db20c7e59b55d956b066a30bdc42b4f71f;hb=907e26b6f52004ecec152f5650b5dc687aed7157;hp=913b025ae9b399695bed47af97cccf08fe68caf7;hpb=2fc175c4a347153a5e4f370a7dd574d56d46bb8a;p=cascardo%2Flinux.git

diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index 913b025ae9b3..374499db20c7 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -2328,6 +2328,12 @@ void rv770_get_engine_memory_ss(struct radeon_device *rdev)
 	pi->mclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
 						       ASIC_INTERNAL_MEMORY_SS, 0);
 
+	/* disable ss, causes hangs on some cayman boards */
+	if (rdev->family == CHIP_CAYMAN) {
+		pi->sclk_ss = false;
+		pi->mclk_ss = false;
+	}
+
 	if (pi->sclk_ss || pi->mclk_ss)
 		pi->dynamic_ss = true;
 	else