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 4c19e187e4cb..33248c6b2062 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -5429,6 +5429,63 @@ cleanup: kfree(bundle); } +/* + * Enable interrupts on CRTCs that are newly active, undergone + * a modeset, or have active planes again. + * + * Done in two passes, based on the for_modeset flag: + * Pass 1: For CRTCs going through modeset + * Pass 2: For CRTCs going from 0 to n active planes + * + * Interrupts can only be enabled after the planes are programmed, + * so this requires a two-pass approach since we don't want to + * just defer the interrupts until after commit planes every time. + */ +static void amdgpu_dm_enable_crtc_interrupts(struct drm_device *dev, + struct drm_atomic_state *state, + bool for_modeset) +{ + struct amdgpu_device *adev = dev->dev_private; + struct drm_crtc *crtc; + struct drm_crtc_state *old_crtc_state, *new_crtc_state; + int i; + + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, + new_crtc_state, i) { + struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); + struct dm_crtc_state *dm_new_crtc_state = + to_dm_crtc_state(new_crtc_state); + struct dm_crtc_state *dm_old_crtc_state = + to_dm_crtc_state(old_crtc_state); + bool modeset = drm_atomic_crtc_needs_modeset(new_crtc_state); + bool run_pass; + + run_pass = (for_modeset && modeset) || + (!for_modeset && !modeset && + !dm_old_crtc_state->interrupts_enabled); + + if (!run_pass) + continue; + + /* Handle vrr on->off / off->on transitions */ + amdgpu_dm_handle_vrr_transition(dm_old_crtc_state, + dm_new_crtc_state); + + if (!dm_new_crtc_state->interrupts_enabled) + continue; + + manage_dm_interrupts(adev, acrtc, true); + +#ifdef CONFIG_DEBUG_FS + /* The stream has changed so CRC capture needs to re-enabled. */ + if (dm_new_crtc_state->crc_enabled) { + dm_new_crtc_state->crc_enabled = false; + amdgpu_dm_crtc_set_crc_source(crtc, "auto"); + } +#endif + } +} + /* * amdgpu_dm_crtc_copy_transient_flags - copy mirrored flags from DRM to DC * @crtc_state: the DRM CRTC state @@ -5709,42 +5766,14 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) pre_update_freesync_state_on_stream(dm, dm_new_crtc_state); } - /* - * Enable interrupts on CRTCs that are newly active, undergone - * a modeset, or have active planes again. - */ + /* Count number of newly disabled CRTCs for dropping PM refs later. */ for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, - new_crtc_state, i) { - struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); - bool enable; - + new_crtc_state, i) if (old_crtc_state->active && !new_crtc_state->active) crtc_disable_count++; - dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); - dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); - - /* Handle vrr on->off / off->on transitions */ - amdgpu_dm_handle_vrr_transition(dm_old_crtc_state, - dm_new_crtc_state); - - enable = dm_new_crtc_state->interrupts_enabled && - (!dm_old_crtc_state->interrupts_enabled || - drm_atomic_crtc_needs_modeset(new_crtc_state)); - - if (!enable) - continue; - - manage_dm_interrupts(adev, acrtc, true); - -#ifdef CONFIG_DEBUG_FS - /* The stream has changed so CRC capture needs to re-enabled. */ - if (dm_new_crtc_state->crc_enabled) { - dm_new_crtc_state->crc_enabled = false; - amdgpu_dm_crtc_set_crc_source(crtc, "auto"); - } -#endif - } + /* Enable interrupts for CRTCs going through a modeset. */ + amdgpu_dm_enable_crtc_interrupts(dev, state, true); for_each_new_crtc_in_state(state, crtc, new_crtc_state, j) if (new_crtc_state->pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC) @@ -5759,6 +5788,8 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) dm, crtc, wait_for_vblank); } + /* Enable interrupts for CRTCs going from 0 to n active planes. */ + amdgpu_dm_enable_crtc_interrupts(dev, state, false); /* * send vblank event on all events not handled in flip and