From: Dale Zhao <dale.z...@amd.com> [WHY] Check max_tmds_clk_mhz firstly will restrict pixel clock under HDMI 1.4, thus HDMI2.0 port can't correctly support 4K 60Hz.
[HOW] Fine tune the logic to check max_forum_tmds_clk_mhz firstly. Signed-off-by: Dale Zhao <dale.z...@amd.com> Reviewed-by: Chris Park <chris.p...@amd.com> Acked-by: Rodrigo Siqueira <rodrigo.sique...@amd.com> --- drivers/gpu/drm/amd/display/dc/dc_types.h | 5 ++--- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c | 3 --- 2 files changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h index f51e5766d8f5..d64241433548 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_types.h @@ -255,15 +255,14 @@ struct dc_edid_caps { uint8_t qs_bit; uint8_t qy_bit; + uint32_t max_tmds_clk_mhz; + /*HDMI 2.0 caps*/ bool lte_340mcsc_scramble; bool edid_hdmi; bool hdr_supported; - uint32_t max_tmds_clk_mhz; - uint32_t max_forum_tmds_clk_mhz; - struct dc_panel_patch panel_patch; }; 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 a9af3f6fd8ec..81db0179f7ea 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 @@ -629,9 +629,6 @@ static bool dcn10_link_encoder_validate_hdmi_output( if (edid_caps->max_tmds_clk_mhz != 0 && adjusted_pix_clk_100hz > edid_caps->max_tmds_clk_mhz * 10000) return false; - if (edid_caps->max_forum_tmds_clk_mhz != 0 && - adjusted_pix_clk_100hz > edid_caps->max_forum_tmds_clk_mhz * 10000) - return false; if (max_deep_color < crtc_timing->display_color_depth) return false; -- 2.27.0 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx