diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c index b83c13d3d8b7..7f26c9444933 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c @@ -836,6 +836,53 @@ void dcn30_hardware_release(struct dc *dc) dc->res_pool->hubbub, true, true); } +void dcn30_set_hubp_blank(const struct dc *dc, + struct pipe_ctx *pipe_ctx, + bool blank_enable) +{ + struct pipe_ctx *mpcc_pipe; + struct pipe_ctx *odm_pipe; + + if (blank_enable) { + struct plane_resource *plane_res = &pipe_ctx->plane_res; + struct stream_resource *stream_res = &pipe_ctx->stream_res; + + /* Wait for enter vblank */ + stream_res->tg->funcs->wait_for_state(stream_res->tg, CRTC_STATE_VBLANK); + + /* Blank HUBP to allow p-state during blank on all timings */ + pipe_ctx->plane_res.hubp->funcs->set_blank(pipe_ctx->plane_res.hubp, true); + /* Confirm hubp in blank */ + ASSERT(plane_res->hubp->funcs->hubp_in_blank(plane_res->hubp)); + /* Toggle HUBP_DISABLE */ + plane_res->hubp->funcs->hubp_soft_reset(plane_res->hubp, true); + plane_res->hubp->funcs->hubp_soft_reset(plane_res->hubp, false); + for (mpcc_pipe = pipe_ctx->bottom_pipe; mpcc_pipe; mpcc_pipe = mpcc_pipe->bottom_pipe) { + mpcc_pipe->plane_res.hubp->funcs->set_blank(mpcc_pipe->plane_res.hubp, true); + /* Confirm hubp in blank */ + ASSERT(mpcc_pipe->plane_res.hubp->funcs->hubp_in_blank(mpcc_pipe->plane_res.hubp)); + /* Toggle HUBP_DISABLE */ + mpcc_pipe->plane_res.hubp->funcs->hubp_soft_reset(mpcc_pipe->plane_res.hubp, true); + mpcc_pipe->plane_res.hubp->funcs->hubp_soft_reset(mpcc_pipe->plane_res.hubp, false); + + } + for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { + odm_pipe->plane_res.hubp->funcs->set_blank(odm_pipe->plane_res.hubp, true); + /* Confirm hubp in blank */ + ASSERT(odm_pipe->plane_res.hubp->funcs->hubp_in_blank(odm_pipe->plane_res.hubp)); + /* Toggle HUBP_DISABLE */ + odm_pipe->plane_res.hubp->funcs->hubp_soft_reset(odm_pipe->plane_res.hubp, true); + odm_pipe->plane_res.hubp->funcs->hubp_soft_reset(odm_pipe->plane_res.hubp, false); + } + } else { + pipe_ctx->plane_res.hubp->funcs->set_blank(pipe_ctx->plane_res.hubp, false); + for (mpcc_pipe = pipe_ctx->bottom_pipe; mpcc_pipe; mpcc_pipe = mpcc_pipe->bottom_pipe) + mpcc_pipe->plane_res.hubp->funcs->set_blank(mpcc_pipe->plane_res.hubp, false); + for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) + odm_pipe->plane_res.hubp->funcs->set_blank(odm_pipe->plane_res.hubp, false); + } +} + void dcn30_set_disp_pattern_generator(const struct dc *dc, struct pipe_ctx *pipe_ctx, enum controller_dp_test_pattern test_pattern, |