On Tue, Sep 3, 2019 at 4:49 PM Lyude Paul lyude@redhat.com wrote:
Since we're going to be reprobing the entire topology state on resume now using sideband transactions, we need to ensure that we actually have short HPD irqs enabled before calling drm_dp_mst_topology_mgr_resume(). So, do that.
Cc: Juston Li juston.li@intel.com Cc: Imre Deak imre.deak@intel.com Cc: Ville Syrjälä ville.syrjala@linux.intel.com Cc: Harry Wentland hwentlan@amd.com Cc: Daniel Vetter daniel.vetter@ffwll.ch Signed-off-by: Lyude Paul lyude@redhat.com
Acked-by: Alex Deucher alexander.deucher@amd.com
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 73630e2940d4..4d3c8bff77da 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1185,15 +1185,15 @@ static int dm_resume(void *handle) /* program HPD filter */ dc_resume(dm->dc);
/* On resume we need to rewrite the MSTM control bits to enamble MST*/s3_handle_mst(ddev, false);/* * early enable HPD Rx IRQ, should be done before set mode as short * pulse interrupts are used for MST */ amdgpu_dm_irq_resume_early(adev);
/* On resume we need to rewrite the MSTM control bits to enamble MST*/s3_handle_mst(ddev, false);/* Do detection*/ drm_connector_list_iter_begin(ddev, &iter); drm_for_each_connector_iter(connector, &iter) {-- 2.21.0
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