On Wed, Sep 25, 2019 at 5:53 PM Lyude Paul <lyude@xxxxxxxxxx> 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.
>
> Changes since v4:
> * Fix typo in comments
>
> Cc: Juston Li <juston.li@xxxxxxxxx>
> Cc: Imre Deak <imre.deak@xxxxxxxxx>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Cc: Harry Wentland <hwentlan@xxxxxxx>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Signed-off-by: Lyude Paul <lyude@xxxxxxxxxx>
> Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Applied. Thanks!
Alex
> ---
> 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 18927758a010..bce9a298bc45 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -1186,15 +1186,15 @@ 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 enable 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
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel
