diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3567-drm-amd-display-Remove-delay-on-disconnect-patch.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3567-drm-amd-display-Remove-delay-on-disconnect-patch.patch | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3567-drm-amd-display-Remove-delay-on-disconnect-patch.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3567-drm-amd-display-Remove-delay-on-disconnect-patch.patch new file mode 100644 index 00000000..24eff560 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3567-drm-amd-display-Remove-delay-on-disconnect-patch.patch @@ -0,0 +1,95 @@ +From 3158b67c73269ae6036c5f8a3c1ba5d20fdfd186 Mon Sep 17 00:00:00 2001 +From: John Barberiz <jbarberi@amd.com> +Date: Tue, 6 Feb 2018 12:25:17 -0500 +Subject: [PATCH 3567/4131] drm/amd/display: Remove delay on disconnect patch + +HDMI HPD's generic solution makes the monitor +patch code unnecessary so anything related has +been removed. + +Signed-off-by: John Barberiz <jbarberi@amd.com> +Reviewed-by: John Barberiz <jbarberi@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/dc_types.h | 1 - + 2 files changed, 4 insertions(+), 13 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 44b12f04..95955ade 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c +@@ -50,7 +50,6 @@ + dm_logger_write(dc_ctx->logger, LOG_HW_HOTPLUG, \ + __VA_ARGS__) + +-#define DEFAULT_DELAY_DISCONNECT 100 + /******************************************************************************* + * Private structures + ******************************************************************************/ +@@ -118,7 +117,7 @@ struct gpio *get_hpd_gpio(struct dc_bios *dcb, + * true on success, false otherwise + */ + static bool program_hpd_filter( +- const struct dc_link *link, int default_disconnect_delay) ++ const struct dc_link *link) + { + bool result = false; + +@@ -136,7 +135,7 @@ static bool program_hpd_filter( + case SIGNAL_TYPE_HDMI_TYPE_A: + /* Program hpd filter */ + delay_on_connect_in_ms = 500; +- delay_on_disconnect_in_ms = default_disconnect_delay; ++ delay_on_disconnect_in_ms = 100; + break; + case SIGNAL_TYPE_DISPLAY_PORT: + case SIGNAL_TYPE_DISPLAY_PORT_MST: +@@ -700,13 +699,6 @@ bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason) + dp_hbr_verify_link_cap(link, &link->reported_link_cap); + } + +- /* Add delay for certain monitors */ +- if (sink->edid_caps.panel_patch.disconnect_delay > 0 +- && sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A) +- program_hpd_filter(link, sink->edid_caps.panel_patch.disconnect_delay); +- else +- program_hpd_filter(link, DEFAULT_DELAY_DISCONNECT); +- + /* HDMI-DVI Dongle */ + if (sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A && + !sink->edid_caps.edid_hdmi) +@@ -1093,7 +1085,7 @@ static bool construct( + * If GPIO isn't programmed correctly HPD might not rise or drain + * fast enough, leading to bounces. + */ +- program_hpd_filter(link, DEFAULT_DELAY_DISCONNECT); ++ program_hpd_filter(link); + + return true; + device_tag_fail: +@@ -2018,7 +2010,7 @@ const struct dc_link_status *dc_link_get_status(const struct dc_link *link) + void core_link_resume(struct dc_link *link) + { + if (link->connector_signal != SIGNAL_TYPE_VIRTUAL) +- program_hpd_filter(link, DEFAULT_DELAY_DISCONNECT); ++ program_hpd_filter(link); + } + + static struct fixed31_32 get_pbn_per_slot(struct dc_stream_state *stream) +diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h +index aa5b90e..8811b6f 100644 +--- a/drivers/gpu/drm/amd/display/dc/dc_types.h ++++ b/drivers/gpu/drm/amd/display/dc/dc_types.h +@@ -194,7 +194,6 @@ union display_content_support { + }; + + struct dc_panel_patch { +- unsigned int disconnect_delay; + unsigned int dppowerup_delay; + }; + +-- +2.7.4 + |