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authorEric Yang <Eric.Yang2@amd.com>2017-10-23 12:06:54 -0400
committerAlex Deucher <alexander.deucher@amd.com>2017-12-06 12:47:26 -0500
commit7d8d90d84fe8fd73d09a1efa26c22d4fe902a05e (patch)
tree0d80db8fc2f66edb840df2b46644dcf732769c65 /drivers/gpu/drm
parentdrm/amd/display: Only update dchub if hubbub is available (diff)
downloadlinux-dev-7d8d90d84fe8fd73d09a1efa26c22d4fe902a05e.tar.xz
linux-dev-7d8d90d84fe8fd73d09a1efa26c22d4fe902a05e.zip
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>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_link.c2
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c2
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc.h1
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc_dp_types.h28
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 e27ed4a45265..80d9153334dc 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 e6bf05d76a94..b2dcc462afe2 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
@@ -2127,7 +2127,7 @@ 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 79e2ddbc3399..ee05b8ee3785 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -1031,6 +1031,7 @@ 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 77e2de69cca3..2726b02e006b 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 {