]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
Revert "drm/amd/display: Move setup_stream_attribute"
authorAlex Deucher <alexander.deucher@amd.com>
Tue, 25 Nov 2025 14:08:45 +0000 (09:08 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 6 Dec 2025 21:24:57 +0000 (06:24 +0900)
commit 3126c9ccb4373d8758733c6699ba5ab93dbe5c9d upstream.

This reverts commit 2681bf4ae8d24df950138b8c9ea9c271cd62e414.

This results in a blank screen on the HDMI port on some systems.
Revert for now so as not to regress 6.18, can be addressed
in 6.19 once the issue is root caused.

Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4652
Cc: Sunpeng.Li@amd.com
Cc: ivan.lipski@amd.com
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit d0e9de7a81503cdde37fb2d37f1d102f9e0f38fb)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
drivers/gpu/drm/amd/display/dc/link/link_dpms.c
drivers/gpu/drm/amd/display/dc/virtual/virtual_stream_encoder.c

index 9e5cb609e89eebdf22bdf085ff9e94285bafd4e4..03b22e9115ea8ad1664e5122fcd079a0574c4350 100644 (file)
@@ -670,7 +670,6 @@ void dce110_enable_stream(struct pipe_ctx *pipe_ctx)
        uint32_t early_control = 0;
        struct timing_generator *tg = pipe_ctx->stream_res.tg;
 
-       link_hwss->setup_stream_attribute(pipe_ctx);
        link_hwss->setup_stream_encoder(pipe_ctx);
 
        dc->hwss.update_info_frame(pipe_ctx);
index 16e0325ae0fc65ceaf810f10abd86e20913a7514..b94fe14f4b935dd00b671aaba9dc919da99bc839 100644 (file)
@@ -3017,8 +3017,6 @@ void dcn20_enable_stream(struct pipe_ctx *pipe_ctx)
                                                      link_enc->transmitter - TRANSMITTER_UNIPHY_A);
        }
 
-       link_hwss->setup_stream_attribute(pipe_ctx);
-
        if (dc->res_pool->dccg->funcs->set_pixel_rate_div)
                dc->res_pool->dccg->funcs->set_pixel_rate_div(
                        dc->res_pool->dccg,
index f1a3e7089380518a53ed07df8d8d143782275041..bcb296a954f2b48f52e62bcce5e2408ab15e21d6 100644 (file)
@@ -1019,8 +1019,6 @@ void dcn401_enable_stream(struct pipe_ctx *pipe_ctx)
                }
        }
 
-       link_hwss->setup_stream_attribute(pipe_ctx);
-
        if (dc->res_pool->dccg->funcs->set_pixel_rate_div) {
                dc->res_pool->dccg->funcs->set_pixel_rate_div(
                        dc->res_pool->dccg,
index f6ab52979e331ca62770b9041c7137dae852b47e..9d740659521a4370230ebd50a8d2c25a084b7012 100644 (file)
@@ -2447,6 +2447,7 @@ void link_set_dpms_on(
        struct link_encoder *link_enc;
        enum otg_out_mux_dest otg_out_dest = OUT_MUX_DIO;
        struct vpg *vpg = pipe_ctx->stream_res.stream_enc->vpg;
+       const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
        bool apply_edp_fast_boot_optimization =
                pipe_ctx->stream->apply_edp_fast_boot_optimization;
 
@@ -2489,6 +2490,8 @@ void link_set_dpms_on(
                pipe_ctx->stream_res.tg->funcs->set_out_mux(pipe_ctx->stream_res.tg, otg_out_dest);
        }
 
+       link_hwss->setup_stream_attribute(pipe_ctx);
+
        pipe_ctx->stream->apply_edp_fast_boot_optimization = false;
 
        // Enable VPG before building infoframe
index 6ffc74fc9dcd86be73615ccd85c6b740f7243955..ad088d70e1893220675b91f0234a8d3a66a7adf1 100644 (file)
@@ -44,11 +44,6 @@ static void virtual_stream_encoder_dvi_set_stream_attribute(
        struct dc_crtc_timing *crtc_timing,
        bool is_dual_link) {}
 
-static void virtual_stream_encoder_lvds_set_stream_attribute(
-       struct stream_encoder *enc,
-       struct dc_crtc_timing *crtc_timing)
-{}
-
 static void virtual_stream_encoder_set_throttled_vcp_size(
        struct stream_encoder *enc,
        struct fixed31_32 avg_time_slots_per_mtp)
@@ -120,8 +115,6 @@ static const struct stream_encoder_funcs virtual_str_enc_funcs = {
                virtual_stream_encoder_hdmi_set_stream_attribute,
        .dvi_set_stream_attribute =
                virtual_stream_encoder_dvi_set_stream_attribute,
-       .lvds_set_stream_attribute =
-               virtual_stream_encoder_lvds_set_stream_attribute,
        .set_throttled_vcp_size =
                virtual_stream_encoder_set_throttled_vcp_size,
        .update_hdmi_info_packets =