From: Dale Zhao <dale.zhao@xxxxxxx> [Why] Using the hdmi_disable option doesnt disable 6GB bandwidth [How] Add debug.hdmi20_disable flage when checking 6GB enable or not. Reviewed-by: Chris Park <Chris.Park@xxxxxxx> Reviewed-by: Aric Cyr <Aric.Cyr@xxxxxxx> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx> Signed-off-by: Dale Zhao <dale.zhao@xxxxxxx> --- drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 5 +++-- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c | 5 +++-- 2 files changed, 6 insertions(+), 4 deletions(-) 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 1e77ffee71b3..f1c61d5aee6c 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 @@ -788,8 +788,9 @@ static bool dce110_link_encoder_validate_hdmi_output( crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) return false; - if (!enc110->base.features.flags.bits.HDMI_6GB_EN && - adjusted_pix_clk_khz >= 300000) + if ((!enc110->base.features.flags.bits.HDMI_6GB_EN || + enc110->base.ctx->dc->debug.hdmi20_disable) && + adjusted_pix_clk_khz >= 300000) return false; if (enc110->base.ctx->dc->debug.hdmi20_disable && crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) 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 2dc4b4e4ba02..f4b34c110eae 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 @@ -646,8 +646,9 @@ static bool dcn10_link_encoder_validate_hdmi_output( crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) return false; - if (!enc10->base.features.flags.bits.HDMI_6GB_EN && - adjusted_pix_clk_100hz >= 3000000) + if ((!enc10->base.features.flags.bits.HDMI_6GB_EN || + enc10->base.ctx->dc->debug.hdmi20_disable) && + adjusted_pix_clk_100hz >= 3000000) return false; if (enc10->base.ctx->dc->debug.hdmi20_disable && crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) -- 2.25.1
