diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 20 |
2 files changed, 24 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c index cce062adc439..8a441a22c46e 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c @@ -314,6 +314,14 @@ int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name) ret = -EINVAL; goto cleanup; } + + if ((aconn->base.connector_type != DRM_MODE_CONNECTOR_DisplayPort) && + (aconn->base.connector_type != DRM_MODE_CONNECTOR_eDP)) { + DRM_DEBUG_DRIVER("No DP connector available for CRC source\n"); + ret = -EINVAL; + goto cleanup; + } + } #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 32a5ce09a62a..cc34a35d0bcb 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -36,6 +36,8 @@ #include "dm_helpers.h" #include "dc_link_ddc.h" +#include "ddc_service_types.h" +#include "dpcd_defs.h" #include "i2caux_interface.h" #include "dmub_cmd.h" @@ -157,6 +159,16 @@ static const struct drm_connector_funcs dm_dp_mst_connector_funcs = { }; #if defined(CONFIG_DRM_AMD_DC_DCN) +static bool needs_dsc_aux_workaround(struct dc_link *link) +{ + if (link->dpcd_caps.branch_dev_id == DP_BRANCH_DEVICE_ID_90CC24 && + (link->dpcd_caps.dpcd_rev.raw == DPCD_REV_14 || link->dpcd_caps.dpcd_rev.raw == DPCD_REV_12) && + link->dpcd_caps.sink_count.bits.SINK_COUNT >= 2) + return true; + + return false; +} + static bool validate_dsc_caps_on_connector(struct amdgpu_dm_connector *aconnector) { struct dc_sink *dc_sink = aconnector->dc_sink; @@ -166,7 +178,7 @@ static bool validate_dsc_caps_on_connector(struct amdgpu_dm_connector *aconnecto u8 *dsc_branch_dec_caps = NULL; aconnector->dsc_aux = drm_dp_mst_dsc_aux_for_port(port); -#if defined(CONFIG_HP_HOOK_WORKAROUND) + /* * drm_dp_mst_dsc_aux_for_port() will return NULL for certain configs * because it only check the dsc/fec caps of the "port variable" and not the dock @@ -176,10 +188,10 @@ static bool validate_dsc_caps_on_connector(struct amdgpu_dm_connector *aconnecto * Workaround: explicitly check the use case above and use the mst dock's aux as dsc_aux * */ - - if (!aconnector->dsc_aux && !port->parent->port_parent) + if (!aconnector->dsc_aux && !port->parent->port_parent && + needs_dsc_aux_workaround(aconnector->dc_link)) aconnector->dsc_aux = &aconnector->mst_port->dm_dp_aux.aux; -#endif + if (!aconnector->dsc_aux) return false; |