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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/amd/display/dc/core/dc_stat.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_stat.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_stat.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stat.c b/drivers/gpu/drm/amd/display/dc/core/dc_stat.c new file mode 100644 index 0000000000..5f6392ae31 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stat.c @@ -0,0 +1,89 @@ +/* + * Copyright 2020 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + */ + +#include "dc/dc_stat.h" +#include "dmub/dmub_srv_stat.h" +#include "dc_dmub_srv.h" + +/** + * DOC: DC STAT Interface + * + * These interfaces are called without acquiring DAL and DC locks. + * Hence, there is limitations on whese interfaces can access. Only + * variables exclusively defined for these interfaces can be modified. + */ + +/** + * dc_stat_get_dmub_notification + * + * Calls dmub layer to retrieve dmub notification + * + * @dc: dc structure + * @notify: dmub notification structure + * + * Returns + * None + */ +void dc_stat_get_dmub_notification(const struct dc *dc, struct dmub_notification *notify) +{ + /** + * This function is called without dal and dc locks, so + * we shall not modify any dc, dc_dmub_srv or dmub variables + * except variables exclusively accessed by this function + */ + struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub; + enum dmub_status status; + + status = dmub_srv_stat_get_notification(dmub, notify); + ASSERT(status == DMUB_STATUS_OK); + + /* For HPD/HPD RX, convert dpia port index into link index */ + if (notify->type == DMUB_NOTIFICATION_HPD || + notify->type == DMUB_NOTIFICATION_HPD_IRQ || + notify->type == DMUB_NOTIFICATION_DPIA_NOTIFICATION || + notify->type == DMUB_NOTIFICATION_SET_CONFIG_REPLY) { + notify->link_index = + get_link_index_from_dpia_port_index(dc, notify->link_index); + } +} + +/** + * dc_stat_get_dmub_dataout + * + * Calls dmub layer to retrieve dmub gpint dataout + * + * @dc: dc structure + * @dataout: dmub gpint dataout + * + * Returns + * None + */ +void dc_stat_get_dmub_dataout(const struct dc *dc, uint32_t *dataout) +{ + struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub; + enum dmub_status status; + + status = dmub_srv_get_gpint_dataout(dmub, dataout); + ASSERT(status == DMUB_STATUS_OK); +} |