drm/amdgpu: NO KIQ usage on nbio hdp flush routine

nbio hdp flush routine are called within atomic context.
Avoid use KIQ when write to the HDP_MEM_COHERENCY_FLUSH_CNTL register
since this register has its own VF copy

Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
index 1e272f785def74e40b3019b3aeb1ef69a957ed0d..61c00281a61b6ba219273b0fb6201e4ec5d59161 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
@@ -67,7 +67,7 @@ void nbio_v6_1_mc_access_enable(struct amdgpu_device *adev, bool enable)
 
 void nbio_v6_1_hdp_flush(struct amdgpu_device *adev)
 {
-       WREG32_SOC15(NBIO, 0, mmBIF_BX_PF0_HDP_MEM_COHERENCY_FLUSH_CNTL, 0);
+       WREG32_SOC15_NO_KIQ(NBIO, 0, mmBIF_BX_PF0_HDP_MEM_COHERENCY_FLUSH_CNTL, 0);
 }
 
 u32 nbio_v6_1_get_memsize(struct amdgpu_device *adev)

diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
index aa04632523fa8e4457d0674804d8eef98e6faf10..11b70d601922e170efe6b5de950953df7a5eacdc 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
@@ -65,7 +65,7 @@ void nbio_v7_0_mc_access_enable(struct amdgpu_device *adev, bool enable)
 
 void nbio_v7_0_hdp_flush(struct amdgpu_device *adev)
 {
-       WREG32_SOC15(NBIO, 0, mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0);
+       WREG32_SOC15_NO_KIQ(NBIO, 0, mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0);
 }
 
 u32 nbio_v7_0_get_memsize(struct amdgpu_device *adev)