diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0738-drm-amd-display-Move-verify-link-cap-after-read-edid.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0738-drm-amd-display-Move-verify-link-cap-after-read-edid.patch | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0738-drm-amd-display-Move-verify-link-cap-after-read-edid.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0738-drm-amd-display-Move-verify-link-cap-after-read-edid.patch deleted file mode 100644 index a2ec189a..00000000 --- a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0738-drm-amd-display-Move-verify-link-cap-after-read-edid.patch +++ /dev/null @@ -1,71 +0,0 @@ -From bbf8f7092065239b929a8d814c7c17ee8c0b3645 Mon Sep 17 00:00:00 2001 -From: Wenjing Liu <Wenjing.Liu@amd.com> -Date: Thu, 3 Aug 2017 13:57:05 -0400 -Subject: [PATCH 0738/4131] drm/amd/display: Move verify link cap after read - edid - -DP link layer test 400.1.1 fails intermittently. -The test device will pull hpd low immediately -after verify link cap. -Driver reads edid when hpd low that causes the test to fail. - -Move read edid before verify link cap, so driver will -read edid before starting link training - -Signed-off-by: Wenjing Liu <Wenjing.Liu@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 | 16 ++++++++++++++++ - drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 7 ------- - 2 files changed, 16 insertions(+), 7 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 1279eb1..72eb6af 100644 ---- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c -+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c -@@ -666,6 +666,22 @@ bool dc_link_detect(struct dc_link *link, bool boot) - break; - } - -+ if (link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT && -+ sink_caps.transaction_type == -+ DDC_TRANSACTION_TYPE_I2C_OVER_AUX) { -+ /* -+ * TODO debug why Dell 2413 doesn't like -+ * two link trainings -+ */ -+ if (is_mst_supported(link)) { -+ link->verified_link_cap = -+ link->reported_link_cap; -+ } else { -+ dp_hbr_verify_link_cap(link, -+ &link->reported_link_cap); -+ } -+ } -+ - /* HDMI-DVI Dongle */ - if (sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A && - !sink->edid_caps.edid_hdmi) -diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c -index 3d296b1..9d5fe65 100644 ---- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c -+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c -@@ -2283,13 +2283,6 @@ void detect_dp_sink_caps(struct dc_link *link) - * DP, hw_init may need check signal or power up - * encoder here. - */ -- -- if (is_mst_supported(link)) { -- link->verified_link_cap = link->reported_link_cap; -- } else { -- dp_hbr_verify_link_cap(link, -- &link->reported_link_cap); -- } - /* TODO save sink caps in link->sink */ - } - --- -2.7.4 - |