drm/amdgpu: fix enable_cp_power_gating in gfx_v8.0.

commit eb584241226958d45aa1f07f4f6a6ea9da98b29e upstream.

the CP_PG_DISABLE bit was reversed.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 2534b4989924fa09c9f4ea6a003a739c4a68a6a2..c6fca7e7805fda4029fd6e16f9618afa7c410fe0 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -3994,7 +3994,7 @@ static void cz_enable_sck_slow_down_on_power_down(struct amdgpu_device *adev,
 
 static void cz_enable_cp_power_gating(struct amdgpu_device *adev, bool enable)
 {
-       WREG32_FIELD(RLC_PG_CNTL, CP_PG_DISABLE, enable ? 1 : 0);
+       WREG32_FIELD(RLC_PG_CNTL, CP_PG_DISABLE, enable ? 0 : 1);
 }
 
 static void gfx_v8_0_init_pg(struct amdgpu_device *adev)