Rework the dm_helpers_write_dsc_enable callback to handle the MST case. Use the drm_dp_mst_dsc_enable helper.
Cc: Wenjing Liu <[email protected]> Cc: Nikola Cornij <[email protected]> Signed-off-by: David Francis <[email protected]> --- .../amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index 716d6577cdbd..6ef680fa2875 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -38,6 +38,7 @@ #include "dc.h" #include "amdgpu_dm.h" #include "amdgpu_dm_irq.h" +#include "amdgpu_dm_mst_types.h" #include "dm_helpers.h" @@ -557,8 +558,21 @@ bool dm_helpers_dp_write_dsc_enable( ) { uint8_t enable_dsc = enable ? 1 : 0; + struct amdgpu_dm_connector *aconnector; + + if (!stream) + return false; + + if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { + aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context; + + return (drm_dp_mst_dsc_enable(aconnector->port, enable) >= 0); + } + + if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT) + return dm_helpers_dp_write_dpcd(ctx, stream->link, DP_DSC_ENABLE, &enable_dsc, 1); - return dm_helpers_dp_write_dpcd(ctx, stream->sink->link, DP_DSC_ENABLE, &enable_dsc, 1); + return false; } #endif -- 2.17.1 _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
