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| author |   Harry Wentland <harry.wentland@amd.com> | 2018-04-12 10:51:52 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2018-05-15 13:43:12 -0500 |
| commit | 23b9ad21b262b9a85e9b85813e4adfcfb0dd96b3 (patch) | |
| tree | 8ff5242577f6eadc7705d97a412295473757681d /drivers/gpu/drm/amd | |
| parent | Revert "drm/amd/display: fix dereferencing possible ERR_PTR()" (diff) | |
| download | wireguard-linux-23b9ad21b262b9a85e9b85813e4adfcfb0dd96b3.tar.xz wireguard-linux-23b9ad21b262b9a85e9b85813e4adfcfb0dd96b3.zip | |
Revert "drm/amd/display: disable CRTCs with NULL FB on their primary plane (V2)"
This seems to cause flickering and lock-ups for a wide range of users.
Revert until we've found a proper fix for the flickering and lock-ups.
This reverts commit 36cc549d59864b7161f0e23d710c1c4d1b9cf022.
Cc: Shirish S <shirish.s@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 28 |
1 files changed, 0 insertions, 28 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 0c29f3b97398..2368ade4bae0 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4925,30 +4925,6 @@ static int dm_update_planes_state(struct dc *dc, return ret; } -static int dm_atomic_check_plane_state_fb(struct drm_atomic_state *state, - struct drm_crtc *crtc) -{ - struct drm_plane *plane; - struct drm_crtc_state *crtc_state; - - WARN_ON(!drm_atomic_get_new_crtc_state(state, crtc)); - - drm_for_each_plane_mask(plane, state->dev, crtc->state->plane_mask) { - struct drm_plane_state *plane_state = - drm_atomic_get_plane_state(state, plane); - - if (IS_ERR(plane_state)) - return -EDEADLK; - - crtc_state = drm_atomic_get_crtc_state(plane_state->state, crtc); - if (crtc->primary == plane && crtc_state->active) { - if (!plane_state->fb) - return -EINVAL; - } - } - return 0; -} - static int amdgpu_dm_atomic_check(struct drm_device *dev, struct drm_atomic_state *state) { @@ -4972,10 +4948,6 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, goto fail; for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { - ret = dm_atomic_check_plane_state_fb(state, crtc); - if (ret) - goto fail; - if (!drm_atomic_crtc_needs_modeset(new_crtc_state) && !new_crtc_state->color_mgmt_changed) continue; |