diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3491-drm-amd-display-wait-for-T9-after-backlight-off-main.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3491-drm-amd-display-wait-for-T9-after-backlight-off-main.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3491-drm-amd-display-wait-for-T9-after-backlight-off-main.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3491-drm-amd-display-wait-for-T9-after-backlight-off-main.patch new file mode 100644 index 00000000..3a34973a --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3491-drm-amd-display-wait-for-T9-after-backlight-off-main.patch @@ -0,0 +1,65 @@ +From 87b4730c671be568a355dcf55108207c170be082 Mon Sep 17 00:00:00 2001 +From: Charlene Liu <charlene.liu@amd.com> +Date: Thu, 18 Jan 2018 12:53:04 -0500 +Subject: [PATCH 3491/4131] drm/amd/display: wait for T9 after backlight off + mainlink blank. + +Signed-off-by: Charlene Liu <charlene.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_hwss.c | 3 +-- + drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 2 ++ + drivers/gpu/drm/amd/display/dc/inc/link_hwss.h | 1 + + 3 files changed, 4 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +index 2096f2a..524f4aa 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +@@ -102,7 +102,7 @@ void dp_enable_link_phy( + dp_receiver_power_ctrl(link, true); + } + +-static bool edp_receiver_ready_T9(struct dc_link *link) ++bool edp_receiver_ready_T9(struct dc_link *link) + { + unsigned int tries = 0; + unsigned char sinkstatus = 0; +@@ -130,7 +130,6 @@ void dp_disable_link_phy(struct dc_link *link, enum signal_type signal) + dp_receiver_power_ctrl(link, false); + + if (signal == SIGNAL_TYPE_EDP) { +- edp_receiver_ready_T9(link); + link->link_enc->funcs->disable_output(link->link_enc, signal); + link->dc->hwss.edp_power_control(link, false); + } else +diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +index d293caf..fbb84a7 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c ++++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +@@ -928,6 +928,8 @@ void hwss_edp_backlight_control( + */ + /* dc_service_sleep_in_milliseconds(50); */ + link_transmitter_control(ctx->dc_bios, &cntl); ++ /*edp 1.2*/ ++ edp_receiver_ready_T9(link); + } + + void dce110_disable_stream(struct pipe_ctx *pipe_ctx, int option) +diff --git a/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h b/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h +index f2b8c9a..46bb201 100644 +--- a/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h ++++ b/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h +@@ -51,6 +51,7 @@ void dp_enable_link_phy( + const struct dc_link_settings *link_settings); + + void dp_receiver_power_ctrl(struct dc_link *link, bool on); ++bool edp_receiver_ready_T9(struct dc_link *link); + + void dp_disable_link_phy(struct dc_link *link, enum signal_type signal); + +-- +2.7.4 + |