]> git.ipfire.org Git - thirdparty/kernel/stable.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)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 14 Aug 2024 13:34:36 +0000 (15:34 +0200)
commit a2919b25778b7479e477cf49af8c680017eafc24 upstream.

[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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c

index 659b8064d3618cfce95f0e221e44c8a33ade327a..564246983f37e4be3e21a05291f9a0994df4f0bf 100644 (file)
@@ -373,7 +373,6 @@ 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;
@@ -428,6 +427,12 @@ 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.
         */
@@ -449,8 +454,10 @@ 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 */
@@ -459,11 +466,6 @@ 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
@@ -476,14 +478,6 @@ 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)