On Mon, Aug 18, 2025 at 4:11 PM Alex Hung <alex.h...@amd.com> wrote:
>
>
>
> On 8/2/25 10:06, Timur Kristóf wrote:
> > The VUPDATE interrupt isn't registered on DCE 6, so don't try
> > to use that.
> >
> > This fixes a page flip timeout after sleep/resume on DCE 6.
> >
> > Signed-off-by: Timur Kristóf <timur.kris...@gmail.com>
> > ---
> > .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 22 ++++++++++++-------
> > .../amd/display/amdgpu_dm/amdgpu_dm_crtc.c | 16 ++++++++------
> > 2 files changed, 23 insertions(+), 15 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 470f831a17f7..e8d2ba58cbfa 100644
> > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > @@ -2981,14 +2981,20 @@ static void dm_gpureset_toggle_interrupts(struct
> > amdgpu_device *adev,
> > drm_warn(adev_to_drm(adev), "Failed to %s
> > pflip interrupts\n",
> > enable ? "enable" : "disable");
> >
> > - if (enable) {
> > - if
> > (amdgpu_dm_crtc_vrr_active(to_dm_crtc_state(acrtc->base.state)))
> > - rc =
> > amdgpu_dm_crtc_set_vupdate_irq(&acrtc->base, true);
> > - } else
> > - rc =
> > amdgpu_dm_crtc_set_vupdate_irq(&acrtc->base, false);
> > -
> > - if (rc)
> > - drm_warn(adev_to_drm(adev), "Failed to %sable
> > vupdate interrupt\n", enable ? "en" : "dis");
> > + if (dc_supports_vrr(adev->dm.dc->ctx->dce_version)) {
> > + if (enable) {
> > + if (amdgpu_dm_crtc_vrr_active(
> > +
> > to_dm_crtc_state(acrtc->base.state)))
> > + rc =
> > amdgpu_dm_crtc_set_vupdate_irq(
> > + &acrtc->base, true);
> > + } else
> > + rc = amdgpu_dm_crtc_set_vupdate_irq(
> > + &acrtc->base, false);
> > +
> > + if (rc)
> > + drm_warn(adev_to_drm(adev), "Failed
> > to %sable vupdate interrupt\n",
> > + enable ? "en" : "dis");
> > + }
>
> Hi Timur,
>
> There seem to be conflicts to amd-staging-drm-next. Could you please
> rebase and resend? This helps make sure new change fix the problem you
> observed.
>
> Really appreciate it. Thanks.
If it's just the first patch, you can skip that one as the conflict
solves the issue with DSC.
Alex
>
> >
> > irq_source = IRQ_TYPE_VBLANK + acrtc->otg_inst;
> > /* During gpu-reset we disable and then enable vblank
> > irq, so
> > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
> > b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
> > index 2551823382f8..f2208e4224f9 100644
> > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
> > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
> > @@ -298,13 +298,15 @@ static inline int amdgpu_dm_crtc_set_vblank(struct
> > drm_crtc *crtc, bool enable)
> >
> > irq_type = amdgpu_display_crtc_idx_to_irq_type(adev, acrtc->crtc_id);
> >
> > - if (enable) {
> > - /* vblank irq on -> Only need vupdate irq in vrr mode */
> > - if (amdgpu_dm_crtc_vrr_active(acrtc_state))
> > - rc = amdgpu_dm_crtc_set_vupdate_irq(crtc, true);
> > - } else {
> > - /* vblank irq off -> vupdate irq off */
> > - rc = amdgpu_dm_crtc_set_vupdate_irq(crtc, false);
> > + if (dc_supports_vrr(dm->dc->ctx->dce_version)) {
> > + if (enable) {
> > + /* vblank irq on -> Only need vupdate irq in vrr mode
> > */
> > + if (amdgpu_dm_crtc_vrr_active(acrtc_state))
> > + rc = amdgpu_dm_crtc_set_vupdate_irq(crtc,
> > true);
> > + } else {
> > + /* vblank irq off -> vupdate irq off */
> > + rc = amdgpu_dm_crtc_set_vupdate_irq(crtc, false);
> > + }
> > }
> >
> > if (rc)
>
