diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3063-drm-amd-display-Add-debug-option-to-disable-timing-s.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3063-drm-amd-display-Add-debug-option-to-disable-timing-s.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3063-drm-amd-display-Add-debug-option-to-disable-timing-s.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3063-drm-amd-display-Add-debug-option-to-disable-timing-s.patch new file mode 100644 index 00000000..7b7fc4fd --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3063-drm-amd-display-Add-debug-option-to-disable-timing-s.patch @@ -0,0 +1,48 @@ +From d8e2154aba6dc991ae2852562bca2202dcc56c7b Mon Sep 17 00:00:00 2001 +From: Joshua Aberback <joshua.aberback@amd.com> +Date: Fri, 17 May 2019 14:43:10 -0400 +Subject: [PATCH 3063/4256] drm/amd/display: Add debug option to disable timing + sync + +[Why] +We want a debug option to disable timing sync for testing. + +[How] +New dc debug option that must be false to call program_timing_sync + +Signed-off-by: Joshua Aberback <joshua.aberback@amd.com> +Reviewed-by: Jun Lei <Jun.Lei@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 c1bda186fd40..2503e3308b42 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c +@@ -1072,7 +1072,7 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c + if (result != DC_OK) + return result; + +- if (context->stream_count > 1) { ++ if (context->stream_count > 1 && !dc->debug.disable_timing_sync) { + enable_timing_multisync(dc, context); + program_timing_sync(dc, context); + } +diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h +index 441d0c376a9f..6d69fd12e422 100644 +--- a/drivers/gpu/drm/amd/display/dc/dc.h ++++ b/drivers/gpu/drm/amd/display/dc/dc.h +@@ -381,6 +381,7 @@ struct dc_debug_options { + * watermarks are not affected. + */ + unsigned int force_min_dcfclk_mhz; ++ bool disable_timing_sync; + }; + + struct dc_debug_data { +-- +2.17.1 + |