In the suspend abort cases, the gfx power rail doesn't turn off so
some GFXDEC registers/CSB can't reset to default value and at this
moment reinitialize GFXDEC/CSB will result in an unexpected error.
So let skip those program sequence for the suspend abort case.
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
bool in_s3;
bool in_s4;
bool in_s0ix;
+ /* indicate amdgpu suspension status */
+ bool suspend_complete;
enum pp_mp1_state mp1_state;
struct amdgpu_doorbell_index doorbell_index;
struct drm_device *drm_dev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(drm_dev);
+ adev->suspend_complete = false;
if (amdgpu_acpi_is_s0ix_active(adev))
adev->in_s0ix = true;
else if (amdgpu_acpi_is_s3_active(adev))
struct drm_device *drm_dev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(drm_dev);
+ adev->suspend_complete = true;
if (amdgpu_acpi_should_gpu_reset(adev))
return amdgpu_asic_reset(adev);
gfx_v9_0_cp_gfx_enable(adev, true);
+ /* Now only limit the quirk on the APU gfx9 series and already
+ * confirmed that the APU gfx10/gfx11 needn't such update.
+ */
+ if (adev->flags & AMD_IS_APU &&
+ adev->in_s3 && !adev->suspend_complete) {
+ DRM_INFO(" Will skip the CSB packet resubmit\n");
+ return 0;
+ }
r = amdgpu_ring_alloc(ring, gfx_v9_0_get_csb_size(adev) + 4 + 3);
if (r) {
DRM_ERROR("amdgpu: cp failed to lock ring (%d).\n", r);