diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0984-drm-amd-display-Cache-edp-config-in-dc-link.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/0984-drm-amd-display-Cache-edp-config-in-dc-link.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0984-drm-amd-display-Cache-edp-config-in-dc-link.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0984-drm-amd-display-Cache-edp-config-in-dc-link.patch new file mode 100644 index 00000000..79f451d5 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0984-drm-amd-display-Cache-edp-config-in-dc-link.patch @@ -0,0 +1,49 @@ +From deb94b5cde8e132e3cfa552e099c5cf26c189c06 Mon Sep 17 00:00:00 2001 +From: Wenjing Liu <Wenjing.Liu@amd.com> +Date: Tue, 15 Aug 2017 19:10:14 -0400 +Subject: [PATCH 0984/4131] drm/amd/display: Cache edp config in dc link + +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> +--- + drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 ++ + drivers/gpu/drm/amd/display/dc/dc.h | 2 +- + 2 files changed, 3 insertions(+), 1 deletion(-) + +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 0144c98..d621237 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 +@@ -2258,6 +2258,8 @@ static void retrieve_link_cap(struct dc_link *link) + DP_EDP_CONFIGURATION_CAP - DP_DPCD_REV]; + link->dpcd_caps.panel_mode_edp = + edp_config_cap.bits.ALT_SCRAMBLER_RESET; ++ link->dpcd_caps.dpcd_display_control_capable = ++ edp_config_cap.bits.DPCD_DISPLAY_CONTROL_CAPABLE; + + link->test_pattern_enabled = false; + link->compliance_test_state.raw = 0; +diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h +index 384c72c..0f9157f 100644 +--- a/drivers/gpu/drm/amd/display/dc/dc.h ++++ b/drivers/gpu/drm/amd/display/dc/dc.h +@@ -775,6 +775,7 @@ struct dpcd_caps { + + bool allow_invalid_MSA_timing_param; + bool panel_mode_edp; ++ bool dpcd_display_control_capable; + }; + + struct dc_link_status { +@@ -849,7 +850,6 @@ struct dc_link { + struct dpcd_caps dpcd_caps; + unsigned short chip_caps; + unsigned int dpcd_sink_count; +- + enum edp_revision edp_revision; + bool psr_enabled; + +-- +2.7.4 + |