]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
Revert "drm/amd/display: Handle HPD_IRQ for internal link"
authorSung-huai Wang <danny.wang@amd.com>
Fri, 31 May 2024 07:43:44 +0000 (15:43 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 14 Jun 2024 20:17:17 +0000 (16:17 -0400)
[How&Why]
This reverts commit 239b31bd5c3fef3698440bf6436b2068c6bb08a3.

Due to the it effects Replay resync.

Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Signed-off-by: Sung-huai Wang <danny.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c

index 5f087e930cb6c099f921609b803d2351dce966f7..96bf135b6f05afea4dd44a393c2a651259db6363 100644 (file)
@@ -387,7 +387,6 @@ bool dp_handle_hpd_rx_irq(struct dc_link *link,
        union device_service_irq device_service_clear = {0};
        enum dc_status result;
        bool status = false;
-       bool allow_active = false;
 
        if (out_link_loss)
                *out_link_loss = false;
@@ -442,6 +441,12 @@ bool dp_handle_hpd_rx_irq(struct dc_link *link,
                return false;
        }
 
+       if (handle_hpd_irq_psr_sink(link))
+               /* PSR-related error was detected and handled */
+               return true;
+
+       handle_hpd_irq_replay_sink(link);
+
        /* If PSR-related error handled, Main link may be off,
         * so do not handle as a normal sink status change interrupt.
         */
@@ -463,8 +468,10 @@ bool dp_handle_hpd_rx_irq(struct dc_link *link,
         * If we got sink count changed it means
         * Downstream port status changed,
         * then DM should call DC to do the detection.
+        * NOTE: Do not handle link loss on eDP since it is internal link
         */
-       if (dp_parse_link_loss_status(
+       if ((link->connector_signal != SIGNAL_TYPE_EDP) &&
+                       dp_parse_link_loss_status(
                                        link,
                                        &hpd_irq_dpcd_data)) {
                /* Connectivity log: link loss */
@@ -473,11 +480,6 @@ bool dp_handle_hpd_rx_irq(struct dc_link *link,
                                        sizeof(hpd_irq_dpcd_data),
                                        "Status: ");
 
-               if (link->psr_settings.psr_feature_enabled)
-                       edp_set_psr_allow_active(link, &allow_active, true, false, NULL);
-               else if (link->replay_settings.replay_allow_active)
-                       edp_set_replay_allow_active(link, &allow_active, true, false, NULL);
-
                if (defer_handling && has_left_work)
                        *has_left_work = true;
                else
@@ -490,14 +492,6 @@ bool dp_handle_hpd_rx_irq(struct dc_link *link,
                dp_trace_link_loss_increment(link);
        }
 
-       if (*out_link_loss == false) {
-               if (handle_hpd_irq_psr_sink(link))
-                       /* PSR-related error was detected and handled */
-                       return true;
-
-               handle_hpd_irq_replay_sink(link);
-       }
-
        if (link->type == dc_connection_sst_branch &&
                hpd_irq_dpcd_data.bytes.sink_cnt.bits.SINK_COUNT
                        != link->dpcd_sink_count)