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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" [Why] A new change that simplifies the ASSR enabling and guarding is found that also fixes regression on some embedded panels. [How] Revert the ASSR changes in preparation for upcoming patch. Signed-off-by: Stylon Wang --- .../gpu/drm/amd/display/dc/core/dc_link_dp.c | 54 ++++++------------- 1 file changed, 17 insertions(+), 37 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 8b35cd9d4c01..cc62124b0b82 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -1752,38 +1752,6 @@ enum link_training_result dc_link_dp_perform_link_training( return status; } -static enum dp_panel_mode try_enable_assr(struct dc_stream_state *stream) -{ - struct dc_link *link = stream->link; - enum dp_panel_mode panel_mode = dp_get_panel_mode(link); -#ifdef CONFIG_DRM_AMD_DC_HDCP - struct cp_psp *cp_psp = &stream->ctx->cp_psp; -#endif - - /* ASSR must be supported on the panel */ - if (panel_mode == DP_PANEL_MODE_DEFAULT) - return panel_mode; - - /* eDP or internal DP only */ - if (link->connector_signal != SIGNAL_TYPE_EDP && - !(link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT && - link->is_internal_display)) - return DP_PANEL_MODE_DEFAULT; - -#ifdef CONFIG_DRM_AMD_DC_HDCP - if (cp_psp && cp_psp->funcs.enable_assr) { - if (!cp_psp->funcs.enable_assr(cp_psp->handle, link)) { - /* since eDP implies ASSR on, change panel - * mode to disable ASSR - */ - panel_mode = DP_PANEL_MODE_DEFAULT; - } - } else - panel_mode = DP_PANEL_MODE_DEFAULT; -#endif - return panel_mode; -} - bool perform_link_training_with_retries( const struct dc_link_settings *link_setting, bool skip_video_pattern, @@ -1796,7 +1764,7 @@ bool perform_link_training_with_retries( uint8_t delay_between_attempts = LINK_TRAINING_RETRY_DELAY; struct dc_stream_state *stream = pipe_ctx->stream; struct dc_link *link = stream->link; - enum dp_panel_mode panel_mode; + enum dp_panel_mode panel_mode = dp_get_panel_mode(link); struct link_encoder *link_enc; enum link_training_result status = LINK_TRAINING_CR_FAIL_LANE0; struct dc_link_settings current_setting = *link_setting; @@ -1832,11 +1800,23 @@ bool perform_link_training_with_retries( msleep(delay_dp_power_up_in_ms); } - panel_mode = try_enable_assr(stream); +#ifdef CONFIG_DRM_AMD_DC_HDCP + if (panel_mode == DP_PANEL_MODE_EDP) { + struct cp_psp *cp_psp = &stream->ctx->cp_psp; + + if (cp_psp && cp_psp->funcs.enable_assr) { + if (!cp_psp->funcs.enable_assr(cp_psp->handle, link)) { + /* since eDP implies ASSR on, change panel + * mode to disable ASSR + */ + panel_mode = DP_PANEL_MODE_DEFAULT; + } + } else + panel_mode = DP_PANEL_MODE_DEFAULT; + } +#endif + dp_set_panel_mode(link, panel_mode); - DC_LOG_DETECTION_DP_CAPS("Link: %d ASSR enabled: %d\n", - link->link_index, - panel_mode != DP_PANEL_MODE_DEFAULT); if (link->aux_access_disabled) { dc_link_dp_perform_link_training_skip_aux(link, ¤t_setting); -- 2.32.0 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx