From: Timur Kristóf Date: Fri, 26 Sep 2025 18:01:44 +0000 (+0200) Subject: drm/amd/display: Hook up DAC to bios_parser_encoder_control X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=69b29b894660429280dfff0daed7d183c2fae7a7;p=thirdparty%2Fkernel%2Flinux.git drm/amd/display: Hook up DAC to bios_parser_encoder_control Enable the codebase to use encoder_control() when the encoder engine is one of the DACs. The BIOS parser already supports calling the DAC1EncoderControl function from the VBIOS, but it was not exposed anywhere. Signed-off-by: Timur Kristóf Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c index 154fd2c18e884..318be0bb5549e 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c @@ -742,6 +742,22 @@ static enum bp_result bios_parser_encoder_control( { struct bios_parser *bp = BP_FROM_DCB(dcb); + if (cntl->engine_id == ENGINE_ID_DACA) { + if (!bp->cmd_tbl.dac1_encoder_control) + return BP_RESULT_FAILURE; + + return bp->cmd_tbl.dac1_encoder_control( + bp, cntl->action == ENCODER_CONTROL_ENABLE, + cntl->pixel_clock, ATOM_DAC1_PS2); + } else if (cntl->engine_id == ENGINE_ID_DACB) { + if (!bp->cmd_tbl.dac2_encoder_control) + return BP_RESULT_FAILURE; + + return bp->cmd_tbl.dac2_encoder_control( + bp, cntl->action == ENCODER_CONTROL_ENABLE, + cntl->pixel_clock, ATOM_DAC1_PS2); + } + if (!bp->cmd_tbl.dig_encoder_control) return BP_RESULT_FAILURE;