Change-Id: I3396287321e705de636c59adc852efcfe3b34783
Signed-off-by: Chunming Zhou <David1.Zhou at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 1 -
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 44 ++++++++++++++++++++++++++++++
2 files changed, 44 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 16d78a9..ab1257b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1991,7 +1991,6 @@ static bool amdgpu_need_full_reset(struct amdgpu_device *adev)
if (adev->ip_block_status[AMD_IP_BLOCK_TYPE_GMC].hang ||
adev->ip_block_status[AMD_IP_BLOCK_TYPE_IH].hang ||
adev->ip_block_status[AMD_IP_BLOCK_TYPE_SMC].hang ||
- adev->ip_block_status[AMD_IP_BLOCK_TYPE_GFX].hang ||
adev->ip_block_status[AMD_IP_BLOCK_TYPE_SDMA].hang ||
adev->ip_block_status[AMD_IP_BLOCK_TYPE_UVD].hang ||
adev->ip_block_status[AMD_IP_BLOCK_TYPE_VCE].hang ||
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 2c173fc..53a872d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -5229,6 +5229,49 @@ static int gfx_v8_0_soft_reset(void *handle)
return 0;
}
+static void gfx_v8_0_init_hqd(struct amdgpu_device *adev,
+ struct amdgpu_ring *ring)
+{
+ vi_srbm_select(adev, ring->me, ring->pipe, ring->queue, 0);
+ WREG32(mmCP_HQD_DEQUEUE_REQUEST, 0);
+ WREG32(mmCP_HQD_PQ_RPTR, 0);
+ WREG32(mmCP_HQD_PQ_WPTR, 0);
+ vi_srbm_select(adev, 0, 0, 0, 0);
+}
+
+static int gfx_v8_0_post_soft_reset(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
+
+ if (!adev->ip_block_status[AMD_IP_BLOCK_TYPE_GFX].hang)
+ return 0;
+
+ grbm_soft_reset = adev->ip_block_status[AMD_IP_BLOCK_TYPE_GFX].grbm_soft_reset;
+ srbm_soft_reset = adev->ip_block_status[AMD_IP_BLOCK_TYPE_GFX].srbm_soft_reset;
+
+ if (REG_GET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_CP) ||
+ REG_GET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_GFX))
+ gfx_v8_0_cp_gfx_resume(adev);
+
+ if (REG_GET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_CP) ||
+ REG_GET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_CPF) ||
+ REG_GET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_CPC) ||
+ REG_GET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_CPG)) {
+ int i;
+
+ for (i = 0; i < adev->gfx.num_compute_rings; i++) {
+ struct amdgpu_ring *ring = &adev->gfx.compute_ring[i];
+
+ gfx_v8_0_init_hqd(adev, ring);
+ }
+ gfx_v8_0_cp_compute_resume(adev);
+ }
+ gfx_v8_0_rlc_start(adev);
+
+ return 0;
+}
+
/**
* gfx_v8_0_get_gpu_clock_counter - return GPU clock counter snapshot
*
@@ -6469,6 +6512,7 @@ const struct amd_ip_funcs gfx_v8_0_ip_funcs = {
.check_soft_reset = gfx_v8_0_check_soft_reset,
.pre_soft_reset = gfx_v8_0_pre_soft_reset,
.soft_reset = gfx_v8_0_soft_reset,
+ .post_soft_reset = gfx_v8_0_post_soft_reset,
.set_clockgating_state = gfx_v8_0_set_clockgating_state,
.set_powergating_state = gfx_v8_0_set_powergating_state,
};
--
1.9.1
