From 0ed279877ddf7ae8e5acd9fe4d464ceba98f37cd Mon Sep 17 00:00:00 2001 From: "Gustavo A. R. Silva" Date: Thu, 29 Jun 2017 12:38:37 -0500 Subject: [PATCH] drm/radeon: add header comment for clarification to vce_v2_0_enable_mgcg() Add function header comment to make it clear that local variable sw_cg is used for debugging and it should not be removed. Addresses-Coverity-ID: 1198635 Cc: Alex Deucher Signed-off-by: Gustavo A. R. Silva Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/vce_v2_0.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/radeon/vce_v2_0.c b/drivers/gpu/drm/radeon/vce_v2_0.c index fce214482e72..b0a43b68776d 100644 --- a/drivers/gpu/drm/radeon/vce_v2_0.c +++ b/drivers/gpu/drm/radeon/vce_v2_0.c @@ -104,6 +104,10 @@ static void vce_v2_0_disable_cg(struct radeon_device *rdev) WREG32(VCE_CGTT_CLK_OVERRIDE, 7); } +/* + * Local variable sw_cg is used for debugging purposes, in case we + * ran into problems with dynamic clock gating. Don't remove it. + */ void vce_v2_0_enable_mgcg(struct radeon_device *rdev, bool enable) { bool sw_cg = false; -- 2.30.2