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* [PATCH][next] drm/amdgpu: Fix masking binary not operator on two mask operations
@ 2021-01-22 15:00 ` Colin King
  0 siblings, 0 replies; 11+ messages in thread
From: Colin King @ 2021-01-22 15:00 UTC (permalink / raw)
  To: Alex Deucher, Christian König, David Airlie, Daniel Vetter,
	Huang Rui, Aaron Liu, amd-gfx, dri-devel
  Cc: kernel-janitors, linux-kernel

From: Colin Ian King <colin.king@canonical.com>

Currently the ! operator is incorrectly being used to flip bits on
mask values. Fix this by using the bit-wise ~ operator instead.

Addresses-Coverity: ("Logical vs. bitwise operator")
Fixes: 3c9a7b7d6e75 ("drm/amdgpu: update mmhub mgcg&ls for mmhub_v2_3")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c
index 1961745e89c7..ab9be5ad5a5f 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c
@@ -531,12 +531,12 @@ mmhub_v2_3_update_medium_grain_light_sleep(struct amdgpu_device *adev,
 
 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) {
 		data &= ~MM_ATC_L2_CGTT_CLK_CTRL__MGLS_OVERRIDE_MASK;
-		data1 &= !(DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_MASK |
+		data1 &= ~(DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_MASK |
 			DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_WRITE_MASK |
 			DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_READ_MASK |
 			DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_RETURN_MASK |
 			DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_REGISTER_MASK);
-		data2 &= !(DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_MASK |
+		data2 &= ~(DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_MASK |
 			DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_WRITE_MASK |
 			DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_READ_MASK |
 			DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_RETURN_MASK |
-- 
2.29.2

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^ permalink raw reply related	[flat|nested] 11+ messages in thread

end of thread, other threads:[~2021-01-26 17:00 UTC | newest]

Thread overview: 11+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-01-22 15:00 [PATCH][next] drm/amdgpu: Fix masking binary not operator on two mask operations Colin King
2021-01-22 15:00 ` Colin King
2021-01-22 15:00 ` Colin King
2021-01-25  4:36 ` Huang Rui
2021-01-25  4:36   ` Huang Rui
2021-01-25  4:36   ` Huang Rui
2021-01-25  4:36   ` Huang Rui
2021-01-25 15:06   ` Alex Deucher
2021-01-25 15:06     ` Alex Deucher
2021-01-25 15:06     ` Alex Deucher
2021-01-25 15:06     ` Alex Deucher

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