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| author |   Alex Deucher <alexander.deucher@amd.com> | 2024-11-12 16:19:18 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-12-18 12:14:09 -0500 |
| commit | b7a287fa0c22802529aa346527512b155a8378fe (patch) | |
| tree | 7cc6eb91f443b538b09d2251d2c230147adf798a | |
| parent | drm/amd/display: add clear_tiling mi callbacks (diff) | |
| download | wireguard-linux-b7a287fa0c22802529aa346527512b155a8378fe.tar.xz wireguard-linux-b7a287fa0c22802529aa346527512b155a8378fe.zip | |
drm/amd/display/dc: add helper for panic updates
Add a DC helper for panic updates.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Lu Yao <yaolu@kylinos.cn>
Cc: Jocelyn Falempe <jfalempe@redhat.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_surface.c | 46 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_plane.h | 3 |
2 files changed, 49 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c index 3299684f9a4e..f3471d45b312 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c @@ -270,4 +270,50 @@ void dc_3dlut_func_retain(struct dc_3dlut *lut) kref_get(&lut->refcount); } +void dc_plane_force_update_for_panic(struct dc_plane_state *plane_state, + bool clear_tiling) +{ + struct dc *dc; + int i; + + if (!plane_state) + return; + + dc = plane_state->ctx->dc; + + if (!dc || !dc->current_state) + return; + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (!pipe_ctx) + continue; + + if (dc->ctx->dce_version >= DCE_VERSION_MAX) { + struct hubp *hubp = pipe_ctx->plane_res.hubp; + if (!hubp) + continue; + /* if framebuffer is tiled, disable tiling */ + if (clear_tiling && hubp->funcs->hubp_clear_tiling) + hubp->funcs->hubp_clear_tiling(hubp); + + /* force page flip to see the new content of the framebuffer */ + hubp->funcs->hubp_program_surface_flip_and_addr(hubp, + &plane_state->address, + true); + } else { + struct mem_input *mi = pipe_ctx->plane_res.mi; + if (!mi) + continue; + /* if framebuffer is tiled, disable tiling */ + if (clear_tiling && mi->funcs->mem_input_clear_tiling) + mi->funcs->mem_input_clear_tiling(mi); + + /* force page flip to see the new content of the framebuffer */ + mi->funcs->mem_input_program_surface_flip_and_addr(mi, + &plane_state->address, + true); + } + } +} diff --git a/drivers/gpu/drm/amd/display/dc/dc_plane.h b/drivers/gpu/drm/amd/display/dc/dc_plane.h index bd37ec82b42d..fabcefeda288 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_plane.h +++ b/drivers/gpu/drm/amd/display/dc/dc_plane.h @@ -34,4 +34,7 @@ const struct dc_plane_status *dc_plane_get_status( void dc_plane_state_retain(struct dc_plane_state *plane_state); void dc_plane_state_release(struct dc_plane_state *plane_state); +void dc_plane_force_update_for_panic(struct dc_plane_state *plane_state, + bool clear_tiling); + #endif /* _DC_PLANE_H_ */ |