diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2706-drm-amd-display-get-remote-dpcd-caps-for-timing-vali.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2706-drm-amd-display-get-remote-dpcd-caps-for-timing-vali.patch | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2706-drm-amd-display-get-remote-dpcd-caps-for-timing-vali.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2706-drm-amd-display-get-remote-dpcd-caps-for-timing-vali.patch new file mode 100644 index 00000000..eca48dfc --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2706-drm-amd-display-get-remote-dpcd-caps-for-timing-vali.patch @@ -0,0 +1,104 @@ +From 7bde92425eb5fcdf830b54077e0965f36584ab6a Mon Sep 17 00:00:00 2001 +From: Eric Yang <Eric.Yang2@amd.com> +Date: Mon, 23 Oct 2017 12:06:54 -0400 +Subject: [PATCH 2706/4131] drm/amd/display: get remote dpcd caps for timing + validation + +Signed-off-by: Eric Yang <Eric.Yang2@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 | 2 +- + drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 +- + drivers/gpu/drm/amd/display/dc/dc.h | 1 + + drivers/gpu/drm/amd/display/dc/dc_dp_types.h | 28 +++++++++++++++++++++++- + 4 files changed, 30 insertions(+), 3 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 be9a182..a6a762a 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c +@@ -1869,7 +1869,7 @@ enum dc_status dc_link_validate_mode_timing( + const struct dc_crtc_timing *timing) + { + uint32_t max_pix_clk = stream->sink->dongle_max_pix_clk; +- struct dc_dongle_caps *dongle_caps = &link->link_status.dpcd_caps->dongle_caps; ++ struct dc_dongle_caps *dongle_caps = &link->dpcd_caps.dongle_caps; + + /* A hack to avoid failing any modes for EDID override feature on + * topology change such as lower quality cable for DP or different dongle +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 8e97b42..cd87d85 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 +@@ -2132,7 +2132,7 @@ static void get_active_converter_info( + + union dwnstream_port_caps_byte3_hdmi + hdmi_caps = {.raw = det_caps[3] }; +- union dwnstream_port_caps_byte1 ++ union dwnstream_port_caps_byte2 + hdmi_color_caps = {.raw = det_caps[2] }; + link->dpcd_caps.dongle_caps.dp_hdmi_max_pixel_clk = + det_caps[1] * 25000; +diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h +index 4217285..be5024d 100644 +--- a/drivers/gpu/drm/amd/display/dc/dc.h ++++ b/drivers/gpu/drm/amd/display/dc/dc.h +@@ -1043,6 +1043,7 @@ struct dc_sink { + + /* private to dc_sink.c */ + struct kref refcount; ++ + }; + + void dc_sink_retain(struct dc_sink *sink); +diff --git a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h +index 77e2de6..2726b02 100644 +--- a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h ++++ b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h +@@ -255,7 +255,7 @@ enum dpcd_downstream_port_detailed_type { + DOWN_STREAM_DETAILED_DP_PLUS_PLUS + }; + +-union dwnstream_port_caps_byte1 { ++union dwnstream_port_caps_byte2 { + struct { + uint8_t MAX_BITS_PER_COLOR_COMPONENT:2; + uint8_t RESERVED:6; +@@ -298,6 +298,32 @@ union dwnstream_port_caps_byte3_hdmi { + + /*4-byte structure for detailed capabilities of a down-stream port + (DP-to-TMDS converter).*/ ++union dwnstream_portxcaps { ++ struct { ++ union dwnstream_port_caps_byte0 byte0; ++ unsigned char max_TMDS_clock; //byte1 ++ union dwnstream_port_caps_byte2 byte2; ++ ++ union { ++ union dwnstream_port_caps_byte3_dvi byteDVI; ++ union dwnstream_port_caps_byte3_hdmi byteHDMI; ++ } byte3; ++ } bytes; ++ ++ unsigned char raw[4]; ++}; ++ ++union downstream_port { ++ struct { ++ unsigned char present:1; ++ unsigned char type:2; ++ unsigned char format_conv:1; ++ unsigned char detailed_caps:1; ++ unsigned char reserved:3; ++ } bits; ++ unsigned char raw; ++}; ++ + + union sink_status { + struct { +-- +2.7.4 + |