Is some cases, response status is not 0 even there is no problem while the command is submitted. Some version of PSP FW doesn't write 0 to that field. So here we would like to only print a warning instead of an error during psp initialization to avoid breaking hw_init.
Reviewed-by: Huang Rui <ray.hu...@amd.com> > -----Original Message----- > From: amd-gfx [mailto:amd-gfx-boun...@lists.freedesktop.org] On Behalf > Of Aaron Liu > Sent: Monday, January 14, 2019 4:17 PM > To: amd-gfx@lists.freedesktop.org > Cc: Liu, Aaron <aaron....@amd.com> > Subject: [PATCH drm/amdgpu/psp: ignore psp reponse status] > drm/amdgpu/psp: ignore psp reponse status > > Don't return err if psp reponse status isn't zero > > Change-Id: I680679983f972b6969f4949f1faafaf17fe996a6 > Signed-off-by: Aaron Liu <aaron....@amd.com> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 9 +++++---- > 1 file changed, 5 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c > index 53c2d60..48778b3 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c > @@ -140,14 +140,15 @@ psp_cmd_submit_buf(struct psp_context *psp, > while (*((unsigned int *)psp->fence_buf) != index) > msleep(1); > > - /* the status field must be 0 after psp command completion */ > + /* the status field should be 0 after psp command completion > + * if not, print WARN msg > + */ > if (psp->cmd_buf_mem->resp.status) { > if (ucode) > - DRM_ERROR("failed to load ucode id (%d) ", > + DRM_WARN("failed to load ucode id (%d) ", > ucode->ucode_id); > - DRM_ERROR("psp command failed and response status is > (%d)\n", > + DRM_WARN("psp command failed and response status is > (%d)\n", > psp->cmd_buf_mem->resp.status); > - return -EINVAL; > } > > /* get xGMI session id from response buffer */ > -- > 2.7.4 > > _______________________________________________ > amd-gfx mailing list > amd-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
