On 2/8/23 15:01, Hamza Mahfooz wrote:
> As made mention of in commit 4ea7fc09539b ("drm/amd/display: Do not
> program interrupt status on disabled crtc"), we shouldn't program
> disabled crtcs. So, filter out disabled crtcs in dm_set_vupdate_irq()
> and dm_set_vblank().
>
> Fixes: 589d2739332d ("drm/amd/display: Use crtc enable/disable_vblank hooks")
> Fixes: d2574c33bb71 ("drm/amd/display: In VRR mode, do DRM core vblank handling at end of vblank. (v2)")
> Signed-off-by: Hamza Mahfooz <hamza.mahfooz@xxxxxxx>
Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>
Harry
> ---
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> 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 1e39d0939700..dc4f37240beb 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
> @@ -77,6 +77,9 @@ int dm_set_vupdate_irq(struct drm_crtc *crtc, bool enable)
> struct amdgpu_device *adev = drm_to_adev(crtc->dev);
> int rc;
>
> + if (acrtc->otg_inst == -1)
> + return 0;
> +
> irq_source = IRQ_TYPE_VUPDATE + acrtc->otg_inst;
>
> rc = dc_interrupt_set(adev->dm.dc, irq_source, enable) ? 0 : -EBUSY;
> @@ -151,6 +154,9 @@ static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable)
> struct vblank_control_work *work;
> int rc = 0;
>
> + if (acrtc->otg_inst == -1)
> + goto skip;
> +
> if (enable) {
> /* vblank irq on -> Only need vupdate irq in vrr mode */
> if (amdgpu_dm_vrr_active(acrtc_state))
> @@ -168,6 +174,7 @@ static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable)
> if (!dc_interrupt_set(adev->dm.dc, irq_source, enable))
> return -EBUSY;
>
> +skip:
> if (amdgpu_in_reset(adev))
> return 0;
>
