summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/radeon/radeon_connectors.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_connectors.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_connectors.c132
1 files changed, 121 insertions, 11 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 27def67cb6be..cebb65e07e1d 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -27,6 +27,7 @@
#include <drm/drm_edid.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_helper.h>
+#include <drm/drm_dp_mst_helper.h>
#include <drm/radeon_drm.h>
#include "radeon.h"
#include "radeon_audio.h"
@@ -34,12 +35,33 @@
#include <linux/pm_runtime.h>
+static int radeon_dp_handle_hpd(struct drm_connector *connector)
+{
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ int ret;
+
+ ret = radeon_dp_mst_check_status(radeon_connector);
+ if (ret == -EINVAL)
+ return 1;
+ return 0;
+}
void radeon_connector_hotplug(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
+ struct radeon_connector_atom_dig *dig_connector =
+ radeon_connector->con_priv;
+
+ if (radeon_connector->is_mst_connector)
+ return;
+ if (dig_connector->is_mst) {
+ radeon_dp_handle_hpd(connector);
+ return;
+ }
+ }
/* bail if the connector does not have hpd pin, e.g.,
* VGA, TV, etc.
*/
@@ -135,7 +157,7 @@ int radeon_get_monitor_bpc(struct drm_connector *connector)
if (connector->display_info.bpc)
bpc = connector->display_info.bpc;
else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
- struct drm_connector_helper_funcs *connector_funcs =
+ const struct drm_connector_helper_funcs *connector_funcs =
connector->helper_private;
struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
@@ -225,7 +247,7 @@ radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_c
struct radeon_device *rdev = dev->dev_private;
struct drm_encoder *best_encoder = NULL;
struct drm_encoder *encoder = NULL;
- struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
+ const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
bool connected;
int i;
@@ -702,7 +724,7 @@ static int radeon_connector_set_property(struct drm_connector *connector, struct
if (connector->encoder)
radeon_encoder = to_radeon_encoder(connector->encoder);
else {
- struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
+ const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
}
@@ -725,6 +747,30 @@ static int radeon_connector_set_property(struct drm_connector *connector, struct
radeon_property_change_mode(&radeon_encoder->base);
}
+ if (property == rdev->mode_info.output_csc_property) {
+ if (connector->encoder)
+ radeon_encoder = to_radeon_encoder(connector->encoder);
+ else {
+ const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
+ radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
+ }
+
+ if (radeon_encoder->output_csc == val)
+ return 0;
+
+ radeon_encoder->output_csc = val;
+
+ if (connector->encoder->crtc) {
+ struct drm_crtc *crtc = connector->encoder->crtc;
+ const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+
+ radeon_crtc->output_csc = radeon_encoder->output_csc;
+
+ (*crtc_funcs->load_lut)(crtc);
+ }
+ }
+
return 0;
}
@@ -896,7 +942,7 @@ static int radeon_lvds_set_property(struct drm_connector *connector,
if (connector->encoder)
radeon_encoder = to_radeon_encoder(connector->encoder);
else {
- struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
+ const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
}
@@ -964,7 +1010,7 @@ radeon_vga_detect(struct drm_connector *connector, bool force)
struct radeon_device *rdev = dev->dev_private;
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct drm_encoder *encoder;
- struct drm_encoder_helper_funcs *encoder_funcs;
+ const struct drm_encoder_helper_funcs *encoder_funcs;
bool dret = false;
enum drm_connector_status ret = connector_status_disconnected;
int r;
@@ -1094,7 +1140,7 @@ static enum drm_connector_status
radeon_tv_detect(struct drm_connector *connector, bool force)
{
struct drm_encoder *encoder;
- struct drm_encoder_helper_funcs *encoder_funcs;
+ const struct drm_encoder_helper_funcs *encoder_funcs;
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
enum drm_connector_status ret = connector_status_disconnected;
int r;
@@ -1174,7 +1220,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
struct radeon_device *rdev = dev->dev_private;
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct drm_encoder *encoder = NULL;
- struct drm_encoder_helper_funcs *encoder_funcs;
+ const struct drm_encoder_helper_funcs *encoder_funcs;
int i, r;
enum drm_connector_status ret = connector_status_disconnected;
bool dret = false, broken_edid = false;
@@ -1585,6 +1631,9 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
struct drm_encoder *encoder = radeon_best_single_encoder(connector);
int r;
+ if (radeon_dig_connector->is_mst)
+ return connector_status_disconnected;
+
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
@@ -1635,7 +1684,7 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
ret = connector_status_connected;
else if (radeon_connector->dac_load_detect) { /* try load detection */
- struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
+ const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
ret = encoder_funcs->detect(encoder, connector);
}
}
@@ -1643,12 +1692,21 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
ret = connector_status_connected;
- if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
+ if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
radeon_dp_getdpcd(radeon_connector);
+ r = radeon_dp_mst_probe(radeon_connector);
+ if (r == 1)
+ ret = connector_status_disconnected;
+ }
} else {
if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
- if (radeon_dp_getdpcd(radeon_connector))
- ret = connector_status_connected;
+ if (radeon_dp_getdpcd(radeon_connector)) {
+ r = radeon_dp_mst_probe(radeon_connector);
+ if (r == 1)
+ ret = connector_status_disconnected;
+ else
+ ret = connector_status_connected;
+ }
} else {
/* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
if (radeon_ddc_probe(radeon_connector, false))
@@ -1872,6 +1930,10 @@ radeon_add_atom_connector(struct drm_device *dev,
drm_object_attach_property(&radeon_connector->base.base,
dev->mode_config.scaling_mode_property,
DRM_MODE_SCALE_NONE);
+ if (ASIC_IS_DCE5(rdev))
+ drm_object_attach_property(&radeon_connector->base.base,
+ rdev->mode_info.output_csc_property,
+ RADEON_OUTPUT_CSC_BYPASS);
break;
case DRM_MODE_CONNECTOR_DVII:
case DRM_MODE_CONNECTOR_DVID:
@@ -1904,6 +1966,10 @@ radeon_add_atom_connector(struct drm_device *dev,
drm_object_attach_property(&radeon_connector->base.base,
rdev->mode_info.audio_property,
RADEON_AUDIO_AUTO);
+ if (ASIC_IS_DCE5(rdev))
+ drm_object_attach_property(&radeon_connector->base.base,
+ rdev->mode_info.output_csc_property,
+ RADEON_OUTPUT_CSC_BYPASS);
subpixel_order = SubPixelHorizontalRGB;
connector->interlace_allowed = true;
@@ -1950,6 +2016,10 @@ radeon_add_atom_connector(struct drm_device *dev,
drm_object_attach_property(&radeon_connector->base.base,
dev->mode_config.scaling_mode_property,
DRM_MODE_SCALE_NONE);
+ if (ASIC_IS_DCE5(rdev))
+ drm_object_attach_property(&radeon_connector->base.base,
+ rdev->mode_info.output_csc_property,
+ RADEON_OUTPUT_CSC_BYPASS);
/* no HPD on analog connectors */
radeon_connector->hpd.hpd = RADEON_HPD_NONE;
connector->polled = DRM_CONNECTOR_POLL_CONNECT;
@@ -1972,6 +2042,10 @@ radeon_add_atom_connector(struct drm_device *dev,
drm_object_attach_property(&radeon_connector->base.base,
dev->mode_config.scaling_mode_property,
DRM_MODE_SCALE_NONE);
+ if (ASIC_IS_DCE5(rdev))
+ drm_object_attach_property(&radeon_connector->base.base,
+ rdev->mode_info.output_csc_property,
+ RADEON_OUTPUT_CSC_BYPASS);
/* no HPD on analog connectors */
radeon_connector->hpd.hpd = RADEON_HPD_NONE;
connector->interlace_allowed = true;
@@ -2023,6 +2097,10 @@ radeon_add_atom_connector(struct drm_device *dev,
rdev->mode_info.load_detect_property,
1);
}
+ if (ASIC_IS_DCE5(rdev))
+ drm_object_attach_property(&radeon_connector->base.base,
+ rdev->mode_info.output_csc_property,
+ RADEON_OUTPUT_CSC_BYPASS);
connector->interlace_allowed = true;
if (connector_type == DRM_MODE_CONNECTOR_DVII)
connector->doublescan_allowed = true;
@@ -2068,6 +2146,10 @@ radeon_add_atom_connector(struct drm_device *dev,
rdev->mode_info.audio_property,
RADEON_AUDIO_AUTO);
}
+ if (ASIC_IS_DCE5(rdev))
+ drm_object_attach_property(&radeon_connector->base.base,
+ rdev->mode_info.output_csc_property,
+ RADEON_OUTPUT_CSC_BYPASS);
subpixel_order = SubPixelHorizontalRGB;
connector->interlace_allowed = true;
if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
@@ -2116,6 +2198,10 @@ radeon_add_atom_connector(struct drm_device *dev,
rdev->mode_info.audio_property,
RADEON_AUDIO_AUTO);
}
+ if (ASIC_IS_DCE5(rdev))
+ drm_object_attach_property(&radeon_connector->base.base,
+ rdev->mode_info.output_csc_property,
+ RADEON_OUTPUT_CSC_BYPASS);
connector->interlace_allowed = true;
/* in theory with a DP to VGA converter... */
connector->doublescan_allowed = false;
@@ -2352,3 +2438,27 @@ radeon_add_legacy_connector(struct drm_device *dev,
connector->display_info.subpixel_order = subpixel_order;
drm_connector_register(connector);
}
+
+void radeon_setup_mst_connector(struct drm_device *dev)
+{
+ struct radeon_device *rdev = dev->dev_private;
+ struct drm_connector *connector;
+ struct radeon_connector *radeon_connector;
+
+ if (!ASIC_IS_DCE5(rdev))
+ return;
+
+ if (radeon_mst == 0)
+ return;
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ int ret;
+
+ radeon_connector = to_radeon_connector(connector);
+
+ if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
+ continue;
+
+ ret = radeon_dp_mst_init(radeon_connector);
+ }
+}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-24 23:15:08 +0300