diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c | 6 |
3 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index ede3489b4f37..721c5cdff38f 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -251,6 +251,7 @@ struct dc_debug { bool recovery_enabled; bool avoid_vbios_exec_table; bool scl_reset_length10; + bool hdmi20_disable; }; struct dc_state; diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c index dbe3b26b6d9e..60e3c6a73d37 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c @@ -646,6 +646,9 @@ static bool dce110_link_encoder_validate_hdmi_output( if (!enc110->base.features.flags.bits.HDMI_6GB_EN && adjusted_pix_clk_khz >= 300000) return false; + if (enc110->base.ctx->dc->debug.hdmi20_disable && + crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) + return false; return true; } @@ -773,6 +776,9 @@ void dce110_link_encoder_construct( __func__, result); } + if (enc110->base.ctx->dc->debug.hdmi20_disable) { + enc110->base.features.flags.bits.HDMI_6GB_EN = 0; + } } bool dce110_link_encoder_validate_output_with_stream( diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c index be78ccb439e9..6f675206a136 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c @@ -596,6 +596,9 @@ static bool dcn10_link_encoder_validate_hdmi_output( if (!enc10->base.features.flags.bits.HDMI_6GB_EN && adjusted_pix_clk_khz >= 300000) return false; + if (enc10->base.ctx->dc->debug.hdmi20_disable && + crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) + return false; return true; } @@ -728,6 +731,9 @@ void dcn10_link_encoder_construct( __func__, result); } + if (enc10->base.ctx->dc->debug.hdmi20_disable) { + enc10->base.features.flags.bits.HDMI_6GB_EN = 0; + } } bool dcn10_link_encoder_validate_output_with_stream( |