On 2017-10-12 05:15 PM, sunpeng...@amd.com wrote:
> From: "Leo (Sunpeng) Li" <sunpeng...@amd.com>
>
> To conform to DRM's new API, we should not be accessing a DRM object's
> internal state directly. Rather, the DRM for_each_old/new_* iterators,
> and drm_atomic_get_old/new_* interface should be used.
>
> This is an ongoing process. For now, update the DRM-facing atomic
> functions, where the atomic state object is given.
>
> Signed-off-by: Leo (Sunpeng) Li <sunpeng...@amd.com>
> ---
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 131
> +++++++++++-----------
> 1 file changed, 66 insertions(+), 65 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 cc024ab..d4426b3 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -3873,28 +3873,31 @@ static void amdgpu_dm_commit_planes(struct
> drm_atomic_state *state,
> {
> uint32_t i;
> struct drm_plane *plane;
> - struct drm_plane_state *old_plane_state;
> + struct drm_plane_state *old_plane_state, *new_plane_state;
> struct dc_stream_state *dc_stream_attach;
> struct dc_plane_state *plane_states_constructed[MAX_SURFACES];
> struct amdgpu_crtc *acrtc_attach = to_amdgpu_crtc(pcrtc);
> - struct dm_crtc_state *acrtc_state = to_dm_crtc_state(pcrtc->state);
> + struct drm_crtc_state *new_pcrtc_state =
> + drm_atomic_get_new_crtc_state(state, pcrtc);
> + struct dm_crtc_state *acrtc_state = to_dm_crtc_state(new_pcrtc_state);
> int planes_count = 0;
> unsigned long flags;
>
> /* update planes when needed */
> - for_each_old_plane_in_state(state, plane, old_plane_state, i) {
> - struct drm_plane_state *plane_state = plane->state;
> - struct drm_crtc *crtc = plane_state->crtc;
> - struct drm_framebuffer *fb = plane_state->fb;
> + for_each_oldnew_plane_in_state(state, plane, old_plane_state,
> new_plane_state, i) {
> + struct drm_crtc *crtc = new_plane_state->crtc;
> + struct drm_crtc_state *new_crtc_state =
> + drm_atomic_get_new_crtc_state(state, crtc);
> + struct drm_framebuffer *fb = new_plane_state->fb;
> bool pflip_needed;
> - struct dm_plane_state *dm_plane_state =
> to_dm_plane_state(plane_state);
> + struct dm_plane_state *dm_plane_state =
> to_dm_plane_state(new_plane_state);
>
> if (plane->type == DRM_PLANE_TYPE_CURSOR) {
> handle_cursor_update(plane, old_plane_state);
> continue;
> }
>
> - if (!fb || !crtc || pcrtc != crtc || !crtc->state->active)
> + if (!fb || !crtc || pcrtc != crtc || !new_crtc_state->active)
> continue;
>
> pflip_needed = !state->allow_modeset;
> @@ -3918,13 +3921,13 @@ static void amdgpu_dm_commit_planes(struct
> drm_atomic_state *state,
> dc_stream_attach = acrtc_state->stream;
> planes_count++;
>
> - } else if (crtc->state->planes_changed) {
> + } else if (new_crtc_state->planes_changed) {
> /* Assume even ONE crtc with immediate flip means
> * entire can't wait for VBLANK
> * TODO Check if it's correct
> */
> *wait_for_vblank =
> - pcrtc->state->pageflip_flags &
> DRM_MODE_PAGE_FLIP_ASYNC ?
> + new_pcrtc_state->pageflip_flags &
> DRM_MODE_PAGE_FLIP_ASYNC ?
> false : true;
>
> /* TODO: Needs rework for multiplane flip */
> @@ -3942,7 +3945,7 @@ static void amdgpu_dm_commit_planes(struct
> drm_atomic_state *state,
> if (planes_count) {
> unsigned long flags;
>
> - if (pcrtc->state->event) {
> + if (new_pcrtc_state->event) {
>
> drm_crtc_vblank_get(pcrtc);
>
> @@ -3968,7 +3971,7 @@ int amdgpu_dm_atomic_commit(
> bool nonblock)
> {
> struct drm_crtc *crtc;
> - struct drm_crtc_state *new_state;
> + struct drm_crtc_state *old_crtc_state, *new_state;
> struct amdgpu_device *adev = dev->dev_private;
> int i;
>
> @@ -3979,8 +3982,8 @@ int amdgpu_dm_atomic_commit(
> * it will update crtc->dm_crtc_state->stream pointer which is used in
> * the ISRs.
> */
> - for_each_new_crtc_in_state(state, crtc, new_state, i) {
> - struct dm_crtc_state *old_acrtc_state =
> to_dm_crtc_state(crtc->state);
> + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_state,
> i) {
> + struct dm_crtc_state *old_acrtc_state =
> to_dm_crtc_state(old_crtc_state);
> struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
>
> if (drm_atomic_crtc_needs_modeset(new_state) &&
> old_acrtc_state->stream)
> @@ -4002,13 +4005,13 @@ void amdgpu_dm_atomic_commit_tail(
> uint32_t i, j;
> uint32_t new_crtcs_count = 0;
> struct drm_crtc *crtc, *pcrtc;
> - struct drm_crtc_state *old_crtc_state;
> + struct drm_crtc_state *old_crtc_state, *new_crtc_state;
> struct amdgpu_crtc *new_crtcs[MAX_STREAMS];
> struct dc_stream_state *new_stream = NULL;
> unsigned long flags;
> bool wait_for_vblank = true;
> struct drm_connector *connector;
> - struct drm_connector_state *old_conn_state;
> + struct drm_connector_state *old_conn_state, *new_con_state;
> struct dm_crtc_state *old_acrtc_state, *new_acrtc_state;
>
> drm_atomic_helper_update_legacy_modeset_state(dev, state);
> @@ -4016,11 +4019,10 @@ void amdgpu_dm_atomic_commit_tail(
> dm_state = to_dm_atomic_state(state);
>
> /* update changed items */
> - for_each_old_crtc_in_state(state, crtc, old_crtc_state, 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 drm_crtc_state *new_state = crtc->state;
>
> - new_acrtc_state = to_dm_crtc_state(new_state);
> + new_acrtc_state = to_dm_crtc_state(new_crtc_state);
> old_acrtc_state = to_dm_crtc_state(old_crtc_state);
>
> DRM_DEBUG_DRIVER(
> @@ -4028,18 +4030,18 @@ void amdgpu_dm_atomic_commit_tail(
> "planes_changed:%d, mode_changed:%d,active_changed:%d,"
> "connectors_changed:%d\n",
> acrtc->crtc_id,
> - new_state->enable,
> - new_state->active,
> - new_state->planes_changed,
> - new_state->mode_changed,
> - new_state->active_changed,
> - new_state->connectors_changed);
> + new_crtc_state->enable,
> + new_crtc_state->active,
> + new_crtc_state->planes_changed,
> + new_crtc_state->mode_changed,
> + new_crtc_state->active_changed,
> + new_crtc_state->connectors_changed);
>
> /* handles headless hotplug case, updating new_state and
> * aconnector as needed
> */
>
> - if (modeset_required(new_state, new_acrtc_state->stream,
> old_acrtc_state->stream)) {
> + if (modeset_required(new_crtc_state, new_acrtc_state->stream,
> old_acrtc_state->stream)) {
>
> DRM_DEBUG_DRIVER("Atomic commit: SET crtc id %d:
> [%p]\n", acrtc->crtc_id, acrtc);
>
> @@ -4082,10 +4084,11 @@ void amdgpu_dm_atomic_commit_tail(
> new_crtcs[new_crtcs_count] = acrtc;
> new_crtcs_count++;
>
> + new_crtc_state = drm_atomic_get_new_crtc_state(state,
> crtc);
> acrtc->enabled = true;
> - acrtc->hw_mode = crtc->state->mode;
> - crtc->hwmode = crtc->state->mode;
> - } else if (modereset_required(new_state)) {
> + acrtc->hw_mode = new_crtc_state->mode;
> + crtc->hwmode = new_crtc_state->mode;
> + } else if (modereset_required(new_crtc_state)) {
> DRM_DEBUG_DRIVER("Atomic commit: RESET. crtc id
> %d:[%p]\n", acrtc->crtc_id, acrtc);
>
> /* i.e. reset mode */
> @@ -4102,7 +4105,9 @@ void amdgpu_dm_atomic_commit_tail(
> for (i = 0; i < new_crtcs_count; i++) {
> struct amdgpu_dm_connector *aconnector = NULL;
>
> - new_acrtc_state =
> to_dm_crtc_state(new_crtcs[i]->base.state);
> + new_crtc_state = drm_atomic_get_new_crtc_state(state,
> + &new_crtcs[i]->base);
> + new_acrtc_state = to_dm_crtc_state(new_crtc_state);
>
> new_stream = new_acrtc_state->stream;
> aconnector =
> amdgpu_dm_find_first_crct_matching_connector(
> @@ -4123,11 +4128,10 @@ void amdgpu_dm_atomic_commit_tail(
> if (dm_state->context)
> WARN_ON(!dc_commit_state(dm->dc, dm_state->context));
>
> -
> - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
> + for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
> struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
>
> - new_acrtc_state = to_dm_crtc_state(crtc->state);
> + new_acrtc_state = to_dm_crtc_state(new_crtc_state);
>
> if (new_acrtc_state->stream != NULL) {
> const struct dc_stream_status *status =
> @@ -4141,24 +4145,24 @@ void amdgpu_dm_atomic_commit_tail(
> }
>
> /* Handle scaling and undersacn changes*/
> - for_each_old_connector_in_state(state, connector, old_conn_state, i) {
> - struct amdgpu_dm_connector *aconnector =
> to_amdgpu_dm_connector(connector);
> - struct dm_connector_state *con_new_state =
> - to_dm_connector_state(aconnector->base.state);
> - struct dm_connector_state *con_old_state =
> - to_dm_connector_state(old_conn_state);
> + for_each_oldnew_connector_in_state(state, connector, old_conn_state,
> new_con_state, i) {
> + struct dm_connector_state *con_new_state =
> to_dm_connector_state(new_con_state);
> + struct dm_connector_state *con_old_state =
> to_dm_connector_state(old_conn_state);
> struct amdgpu_crtc *acrtc =
> to_amdgpu_crtc(con_new_state->base.crtc);
> struct dc_stream_status *status = NULL;
>
> + if (acrtc)
> + new_crtc_state = drm_atomic_get_new_crtc_state(state,
> &acrtc->base);
> +
> /* Skip any modesets/resets */
> - if (!acrtc || drm_atomic_crtc_needs_modeset(acrtc->base.state))
> + if (!acrtc || drm_atomic_crtc_needs_modeset(new_crtc_state))
> continue;
>
> /* Skip any thing not scale or underscan changes */
> if (!is_scaling_state_different(con_new_state, con_old_state))
> continue;
>
> - new_acrtc_state = to_dm_crtc_state(acrtc->base.state);
> + new_acrtc_state = to_dm_crtc_state(new_crtc_state);
>
> update_stream_scaling_settings(&con_new_state->base.crtc->mode,
> con_new_state, (struct dc_stream_state
> *)new_acrtc_state->stream);
> @@ -4185,7 +4189,8 @@ void amdgpu_dm_atomic_commit_tail(
> */
> struct amdgpu_crtc *acrtc = new_crtcs[i];
>
> - new_acrtc_state = to_dm_crtc_state(acrtc->base.state);
> + new_crtc_state = drm_atomic_get_new_crtc_state(state,
> &acrtc->base);
> + new_acrtc_state = to_dm_crtc_state(new_crtc_state);
>
> if (adev->dm.freesync_module)
> mod_freesync_notify_mode_change(
> @@ -4195,8 +4200,8 @@ void amdgpu_dm_atomic_commit_tail(
> }
>
> /* update planes when needed per crtc*/
> - for_each_old_crtc_in_state(state, pcrtc, old_crtc_state, j) {
> - new_acrtc_state = to_dm_crtc_state(pcrtc->state);
> + for_each_new_crtc_in_state(state, pcrtc, new_crtc_state, j) {
> + new_acrtc_state = to_dm_crtc_state(new_crtc_state);
>
> if (new_acrtc_state->stream)
> amdgpu_dm_commit_planes(state, dev, dm, pcrtc,
> &wait_for_vblank);
> @@ -4208,13 +4213,12 @@ void amdgpu_dm_atomic_commit_tail(
> * mark consumed event for drm_atomic_helper_commit_hw_done
> */
> spin_lock_irqsave(&adev->ddev->event_lock, flags);
> - for_each_old_crtc_in_state(state, crtc, old_crtc_state, i) {
> - struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
> + for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
Andrey might be able to comment on this better, but weren't we intentionally
trying to iterate the old crtc here to make sure we send any even on it?
Harry
>
> - if (acrtc->base.state->event)
> - drm_send_event_locked(dev, &crtc->state->event->base);
> + if (new_crtc_state->event)
> + drm_send_event_locked(dev,
> &new_crtc_state->event->base);
>
> - acrtc->base.state->event = NULL;
> + new_crtc_state->event = NULL;
> }
> spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
>
> @@ -4371,7 +4375,7 @@ static int dm_update_crtcs_state(
> bool *lock_and_validation_needed)
> {
> struct drm_crtc *crtc;
> - struct drm_crtc_state *crtc_state;
> + struct drm_crtc_state *old_crtc_state, *crtc_state;
> int i;
> struct dm_crtc_state *old_acrtc_state, *new_acrtc_state;
> struct dm_atomic_state *dm_state = to_dm_atomic_state(state);
> @@ -4380,7 +4384,7 @@ static int dm_update_crtcs_state(
>
> /*TODO Move this code into dm_crtc_atomic_check once we get rid of
> dc_validation_set */
> /* update changed items */
> - for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
> + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, crtc_state,
> i) {
> struct amdgpu_crtc *acrtc = NULL;
> struct amdgpu_dm_connector *aconnector = NULL;
> struct drm_connector_state *conn_state = NULL;
> @@ -4388,7 +4392,7 @@ static int dm_update_crtcs_state(
>
> new_stream = NULL;
>
> - old_acrtc_state = to_dm_crtc_state(crtc->state);
> + old_acrtc_state = to_dm_crtc_state(old_crtc_state);
> new_acrtc_state = to_dm_crtc_state(crtc_state);
> acrtc = to_amdgpu_crtc(crtc);
>
> @@ -4521,7 +4525,7 @@ static int dm_update_planes_state(
> bool *lock_and_validation_needed)
> {
> struct drm_crtc *new_plane_crtc, *old_plane_crtc;
> - struct drm_crtc_state *new_crtc_state;
> + struct drm_crtc_state *old_crtc_state, *new_crtc_state;
> struct drm_plane *plane;
> struct drm_plane_state *old_plane_state, *new_plane_state;
> struct dm_crtc_state *new_acrtc_state, *old_acrtc_state;
> @@ -4552,10 +4556,9 @@ static int dm_update_planes_state(
> if (!old_plane_crtc)
> continue;
>
> - old_acrtc_state = to_dm_crtc_state(
> - drm_atomic_get_old_crtc_state(
> - state,
> - old_plane_crtc));
> + old_crtc_state = drm_atomic_get_old_crtc_state(
> + state, old_plane_crtc);
> + old_acrtc_state = to_dm_crtc_state(old_crtc_state);
>
> if (!old_acrtc_state->stream)
> continue;
> @@ -4643,7 +4646,7 @@ int amdgpu_dm_atomic_check(struct drm_device *dev,
> struct dc *dc = adev->dm.dc;
> struct dm_atomic_state *dm_state = to_dm_atomic_state(state);
> struct drm_connector *connector;
> - struct drm_connector_state *conn_state;
> + struct drm_connector_state *old_con_state, *conn_state;
> struct drm_crtc *crtc;
> struct drm_crtc_state *crtc_state;
>
> @@ -4710,16 +4713,14 @@ int amdgpu_dm_atomic_check(struct drm_device *dev,
> * new stream into context w\o causing full reset. Need to
> * decide how to handle.
> */
> - for_each_new_connector_in_state(state, connector, conn_state, i) {
> - struct amdgpu_dm_connector *aconnector =
> to_amdgpu_dm_connector(connector);
> - struct dm_connector_state *con_old_state =
> - to_dm_connector_state(aconnector->base.state);
> - struct dm_connector_state *con_new_state =
> -
> to_dm_connector_state(conn_state);
> + for_each_oldnew_connector_in_state(state, connector, old_con_state,
> conn_state, i) {
> + struct dm_connector_state *con_old_state =
> to_dm_connector_state(old_con_state);
> + struct dm_connector_state *con_new_state =
> to_dm_connector_state(conn_state);
> struct amdgpu_crtc *acrtc =
> to_amdgpu_crtc(con_new_state->base.crtc);
>
> /* Skip any modesets/resets */
> - if (!acrtc || drm_atomic_crtc_needs_modeset(acrtc->base.state))
> + if (!acrtc || drm_atomic_crtc_needs_modeset(
> + drm_atomic_get_new_crtc_state(state,
> &acrtc->base)))
> continue;
>
> /* Skip any thing not scale or underscan changes */
>
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