diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4249-drm-amd-display-add-flag-to-allow-diag-to-force-enum.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4249-drm-amd-display-add-flag-to-allow-diag-to-force-enum.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4249-drm-amd-display-add-flag-to-allow-diag-to-force-enum.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4249-drm-amd-display-add-flag-to-allow-diag-to-force-enum.patch new file mode 100644 index 00000000..10635a7a --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4249-drm-amd-display-add-flag-to-allow-diag-to-force-enum.patch @@ -0,0 +1,49 @@ +From 84f08f4a0536fa2ff71442d177f1dc066431c377 Mon Sep 17 00:00:00 2001 +From: Jun Lei <Jun.Lei@amd.com> +Date: Tue, 1 Oct 2019 11:31:37 -0400 +Subject: [PATCH 4249/4736] drm/amd/display: add flag to allow diag to force + enumerate edp + +[why] +SLT tests require that diag can drive eDP even if nothing is connected, this is not +typical production use case, so we need to add flag + +[how] +add flag, and this flag supercedes "should destroy" logic + +Signed-off-by: Jun Lei <Jun.Lei@amd.com> +Reviewed-by: Aric Cyr <Aric.Cyr@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc.c | 2 +- + drivers/gpu/drm/amd/display/dc/dc.h | 1 + + 2 files changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c +index bd623404772d..072ac5e5e99a 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c +@@ -191,7 +191,7 @@ static bool create_links( + } + } + +- if (!should_destory_link) { ++ if (dc->config.force_enum_edp || !should_destory_link) { + dc->links[dc->link_count] = link; + link->dc = dc; + ++dc->link_count; +diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h +index a86dad3808b6..b578b2148e45 100644 +--- a/drivers/gpu/drm/amd/display/dc/dc.h ++++ b/drivers/gpu/drm/amd/display/dc/dc.h +@@ -220,6 +220,7 @@ struct dc_config { + bool allow_seamless_boot_optimization; + bool power_down_display_on_boot; + bool edp_not_connected; ++ bool force_enum_edp; + bool forced_clocks; + bool disable_extended_timeout_support; // Used to disable extended timeout and lttpr feature as well + bool multi_mon_pp_mclk_switch; +-- +2.17.1 + |