diff options
Diffstat (limited to 'meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0408-drm-amd-display-Continue-with-stream-enable-if-DP-li.patch')
| -rw-r--r-- | meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0408-drm-amd-display-Continue-with-stream-enable-if-DP-li.patch | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0408-drm-amd-display-Continue-with-stream-enable-if-DP-li.patch b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0408-drm-amd-display-Continue-with-stream-enable-if-DP-li.patch deleted file mode 100644 index ca7bcff9..00000000 --- a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0408-drm-amd-display-Continue-with-stream-enable-if-DP-li.patch +++ /dev/null @@ -1,72 +0,0 @@ -From 8dc55a87f0ee15ddf913a6e3e4e04c85ba86cebc Mon Sep 17 00:00:00 2001 -From: Ken Chalmers <ken.chalmers@amd.com> -Date: Thu, 4 May 2017 13:34:55 -0400 -Subject: [PATCH 0408/4131] drm/amd/display: Continue with stream enable if DP - link training fails. - -Not necessarily a fatal problem - some monitors will recover and show -the stream anyway if link training fails. - -Signed-off-by: Ken Chalmers <ken.chalmers@amd.com> -Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> -Acked-by: Harry Wentland <Harry.Wentland@amd.com> -Signed-off-by: Alex Deucher <alexander.deucher@amd.com> ---- - drivers/gpu/drm/amd/display/dc/core/dc_link.c | 21 +++++++++++++++++---- - drivers/gpu/drm/amd/display/dc/inc/core_status.h | 1 + - 2 files changed, 18 insertions(+), 4 deletions(-) - -diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c -index 5d374cb..ffc0eea 100644 ---- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c -+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c -@@ -1225,7 +1225,7 @@ static enum dc_status enable_link_dp(struct pipe_ctx *pipe_ctx) - status = DC_OK; - } - else -- status = DC_ERROR_UNEXPECTED; -+ status = DC_FAIL_DP_LINK_TRAINING; - - enable_stream_features(pipe_ctx); - -@@ -1833,9 +1833,22 @@ void core_link_enable_stream(struct pipe_ctx *pipe_ctx) - { - struct core_dc *core_dc = DC_TO_CORE(pipe_ctx->stream->ctx->dc); - -- if (DC_OK != enable_link(pipe_ctx)) { -- BREAK_TO_DEBUGGER(); -- return; -+ enum dc_status status = enable_link(pipe_ctx); -+ -+ if (status != DC_OK) { -+ dm_logger_write(pipe_ctx->stream->ctx->logger, -+ LOG_WARNING, "enabling link %u failed: %d\n", -+ pipe_ctx->stream->sink->link->public.link_index, -+ status); -+ -+ /* Abort stream enable *unless* the failure was due to -+ * DP link training - some DP monitors will recover and -+ * show the stream anyway. -+ */ -+ if (status != DC_FAIL_DP_LINK_TRAINING) { -+ BREAK_TO_DEBUGGER(); -+ return; -+ } - } - - /* turn off otg test pattern if enable */ -diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_status.h b/drivers/gpu/drm/amd/display/dc/inc/core_status.h -index 128617d..b5759c0 100644 ---- a/drivers/gpu/drm/amd/display/dc/inc/core_status.h -+++ b/drivers/gpu/drm/amd/display/dc/inc/core_status.h -@@ -41,6 +41,7 @@ enum dc_status { - DC_SURFACE_PIXEL_FORMAT_UNSUPPORTED = 11, - DC_FAIL_BANDWIDTH_VALIDATE = 12, /* BW and Watermark validation */ - DC_FAIL_SCALING = 13, -+ DC_FAIL_DP_LINK_TRAINING = 14, - - DC_ERROR_UNEXPECTED = -1 - }; --- -2.7.4 - |