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drm/amd/display: Remove hw w/a toggle if on DP2/HPO

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[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>
This commit is contained in:
Ausef Yousof
2024-10-24 14:06:39 -04:00
committed by Alex Deucher
parent 820a84edd4
commit b4c8046284
1 changed files with 9 additions and 2 deletions
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11
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
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@@ -133,6 +133,8 @@ 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];
@@ -149,8 +151,13 @@ 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)