diff options
author | Anson Jacob <Anson.Jacob@amd.com> | 2021-02-18 19:42:57 -0500 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2021-02-22 18:19:54 -0500 |
commit | efc8278eecfd5e6fa36c5d41e71d038f534fe107 (patch) | |
tree | fa025ab40cc41a0afb8c0f92b9a1a8d97cf68edd /drivers | |
parent | 7b3d19a76d6824e5c0455566b348e1a5267383af (diff) | |
download | linux-stable-efc8278eecfd5e6fa36c5d41e71d038f534fe107.tar.gz linux-stable-efc8278eecfd5e6fa36c5d41e71d038f534fe107.tar.bz2 linux-stable-efc8278eecfd5e6fa36c5d41e71d038f534fe107.zip |
Revert "drm/amd/display: reuse current context instead of recreating one"
This reverts commit 8866a67ab86cc0812e65c04f1ef02bcc41e24d68.
Reason for revert: This breaks hotplug of HDMI on some systems,
resulting in a blank screen. Caused general hangs on boot/hotplugs.
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1487
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1492
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=211649
Signed-off-by: Anson Jacob <Anson.Jacob@amd.com>
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 23 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 27 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_stream.h | 3 |
3 files changed, 23 insertions, 30 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 94cd5ddd67ef..344404c4ac75 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1936,7 +1936,7 @@ static void dm_gpureset_commit_state(struct dc_state *dc_state, dc_commit_updates_for_stream( dm->dc, bundle->surface_updates, dc_state->stream_status->plane_count, - dc_state->streams[k], &bundle->stream_update); + dc_state->streams[k], &bundle->stream_update, dc_state); } cleanup: @@ -1967,7 +1967,8 @@ static void dm_set_dpms_off(struct dc_link *link) stream_update.stream = stream_state; dc_commit_updates_for_stream(stream_state->ctx->dc, NULL, 0, - stream_state, &stream_update); + stream_state, &stream_update, + stream_state->ctx->dc->current_state); mutex_unlock(&adev->dm.dc_lock); } @@ -7663,7 +7664,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, struct drm_crtc *pcrtc, bool wait_for_vblank) { - int i; + uint32_t i; uint64_t timestamp_ns; struct drm_plane *plane; struct drm_plane_state *old_plane_state, *new_plane_state; @@ -7704,7 +7705,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, amdgpu_dm_commit_cursors(state); /* update planes when needed */ - for_each_oldnew_plane_in_state_reverse(state, plane, old_plane_state, new_plane_state, i) { + 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; struct drm_framebuffer *fb = new_plane_state->fb; @@ -7927,7 +7928,8 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, bundle->surface_updates, planes_count, acrtc_state->stream, - &bundle->stream_update); + &bundle->stream_update, + dc_state); /** * Enable or disable the interrupts on the backend. @@ -8263,13 +8265,13 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state); struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state); struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc); - struct dc_surface_update surface_updates[MAX_SURFACES]; + struct dc_surface_update dummy_updates[MAX_SURFACES]; struct dc_stream_update stream_update; struct dc_info_packet hdr_packet; struct dc_stream_status *status = NULL; bool abm_changed, hdr_changed, scaling_changed; - memset(&surface_updates, 0, sizeof(surface_updates)); + memset(&dummy_updates, 0, sizeof(dummy_updates)); memset(&stream_update, 0, sizeof(stream_update)); if (acrtc) { @@ -8326,15 +8328,16 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) * To fix this, DC should permit updating only stream properties. */ for (j = 0; j < status->plane_count; j++) - surface_updates[j].surface = status->plane_states[j]; + dummy_updates[j].surface = status->plane_states[0]; mutex_lock(&dm->dc_lock); dc_commit_updates_for_stream(dm->dc, - surface_updates, + dummy_updates, status->plane_count, dm_new_crtc_state->stream, - &stream_update); + &stream_update, + dc_state); mutex_unlock(&dm->dc_lock); } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index c9aede2f783d..8f8a13c7cf73 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -2697,7 +2697,8 @@ void dc_commit_updates_for_stream(struct dc *dc, struct dc_surface_update *srf_updates, int surface_count, struct dc_stream_state *stream, - struct dc_stream_update *stream_update) + struct dc_stream_update *stream_update, + struct dc_state *state) { const struct dc_stream_status *stream_status; enum surface_update_type update_type; @@ -2716,12 +2717,6 @@ void dc_commit_updates_for_stream(struct dc *dc, if (update_type >= UPDATE_TYPE_FULL) { - struct dc_plane_state *new_planes[MAX_SURFACES]; - - memset(new_planes, 0, sizeof(new_planes)); - - for (i = 0; i < surface_count; i++) - new_planes[i] = srf_updates[i].surface; /* initialize scratch memory for building context */ context = dc_create_state(dc); @@ -2730,21 +2725,15 @@ void dc_commit_updates_for_stream(struct dc *dc, return; } - dc_resource_state_copy_construct( - dc->current_state, context); + dc_resource_state_copy_construct(state, context); - /*remove old surfaces from context */ - if (!dc_rem_all_planes_for_stream(dc, stream, context)) { - DC_ERROR("Failed to remove streams for new validate context!\n"); - return; - } + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *new_pipe = &context->res_ctx.pipe_ctx[i]; + struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i]; - /* add surface to context */ - if (!dc_add_all_planes_for_stream(dc, stream, new_planes, surface_count, context)) { - DC_ERROR("Failed to add streams for new validate context!\n"); - return; + if (new_pipe->plane_state && new_pipe->plane_state != old_pipe->plane_state) + new_pipe->plane_state->force_full_update = true; } - } diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h index a4f7ec888c67..80b67b860091 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_stream.h +++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h @@ -294,7 +294,8 @@ void dc_commit_updates_for_stream(struct dc *dc, struct dc_surface_update *srf_updates, int surface_count, struct dc_stream_state *stream, - struct dc_stream_update *stream_update); + struct dc_stream_update *stream_update, + struct dc_state *state); /* * Log the current stream state. */ |