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| author | Ausef Yousof <Ausef.Yousof@amd.com> | 2024-10-24 14:06:39 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-12-14 20:03:53 +0100 |
| commit | 8ffd4262463d8dbf1ef7ac3f8c7d1cc0f551349d (patch) | |
| tree | f87ea22bd504ae545844a7746415727012c61829 /drivers | |
| parent | 229d16a670938d54d34e48167c6f30ac4a1c88d0 (diff) | |
| download | linux-8ffd4262463d8dbf1ef7ac3f8c7d1cc0f551349d.tar.gz linux-8ffd4262463d8dbf1ef7ac3f8c7d1cc0f551349d.tar.bz2 linux-8ffd4262463d8dbf1ef7ac3f8c7d1cc0f551349d.zip | |
drm/amd/display: Remove hw w/a toggle if on DP2/HPO
[ Upstream commit b4c804628485af2b46f0d24a87190735cac37d61 ]
[why&how]
Applying a hw w/a only relevant to DIG FIFO causing corruption
using HPO, do not apply the w/a if on DP2/HPO
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Signed-off-by: Ausef Yousof <Ausef.Yousof@amd.com>
Signed-off-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c index 7d68006137a9..3bd0d46c1701 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c @@ -132,6 +132,8 @@ static void dcn35_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state * for (i = 0; i < dc->res_pool->pipe_count; ++i) { struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i]; struct pipe_ctx *new_pipe = &context->res_ctx.pipe_ctx[i]; + struct clk_mgr_internal *clk_mgr_internal = TO_CLK_MGR_INTERNAL(clk_mgr_base); + struct dccg *dccg = clk_mgr_internal->dccg; struct pipe_ctx *pipe = safe_to_lower ? &context->res_ctx.pipe_ctx[i] : &dc->current_state->res_ctx.pipe_ctx[i]; @@ -148,8 +150,13 @@ static void dcn35_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state * new_pipe->stream_res.stream_enc && new_pipe->stream_res.stream_enc->funcs->is_fifo_enabled && new_pipe->stream_res.stream_enc->funcs->is_fifo_enabled(new_pipe->stream_res.stream_enc); - if (pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal) || - !pipe->stream->link_enc) && !stream_changed_otg_dig_on) { + bool has_active_hpo = dccg->ctx->dc->link_srv->dp_is_128b_132b_signal(old_pipe) && dccg->ctx->dc->link_srv->dp_is_128b_132b_signal(new_pipe); + + if (!has_active_hpo && !dccg->ctx->dc->link_srv->dp_is_128b_132b_signal(pipe) && + (pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal) || + !pipe->stream->link_enc) && !stream_changed_otg_dig_on)) { + + /* This w/a should not trigger when we have a dig active */ if (disable) { if (pipe->stream_res.tg && pipe->stream_res.tg->funcs->immediate_disable_crtc) |