From: Alex Deucher alexander.deucher@amd.com
The logic was messy and hard to follow.
Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/radeon/atombios_crtc.c | 41 ++++++++++--------------------- 1 files changed, 13 insertions(+), 28 deletions(-)
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index a515b2a..4901179 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -638,38 +638,23 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, if (ss_enabled && ss->percentage) args.v3.sInput.ucDispPllConfig |= DISPPLL_CONFIG_SS_ENABLE; - if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT) || - radeon_encoder_is_dp_bridge(encoder)) { + if (encoder_mode == ATOM_ENCODER_MODE_DP) { + args.v3.sInput.ucDispPllConfig |= + DISPPLL_CONFIG_COHERENT_MODE; + /* 16200 or 27000 */ + args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10); + } else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) { struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; - if (encoder_mode == ATOM_ENCODER_MODE_DP) { + if (encoder_mode == ATOM_ENCODER_MODE_HDMI) + /* deep color support */ + args.v3.sInput.usPixelClock = + cpu_to_le16((mode->clock * bpc / 8) / 10); + if (dig->coherent_mode) args.v3.sInput.ucDispPllConfig |= DISPPLL_CONFIG_COHERENT_MODE; - /* 16200 or 27000 */ - args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10); - } else { - if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { - /* deep color support */ - args.v3.sInput.usPixelClock = - cpu_to_le16((mode->clock * bpc / 8) / 10); - } - if (dig->coherent_mode) - args.v3.sInput.ucDispPllConfig |= - DISPPLL_CONFIG_COHERENT_MODE; - if (mode->clock > 165000) - args.v3.sInput.ucDispPllConfig |= - DISPPLL_CONFIG_DUAL_LINK; - } - } else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { - if (encoder_mode == ATOM_ENCODER_MODE_DP) { + if (mode->clock > 165000) args.v3.sInput.ucDispPllConfig |= - DISPPLL_CONFIG_COHERENT_MODE; - /* 16200 or 27000 */ - args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10); - } else if (encoder_mode != ATOM_ENCODER_MODE_LVDS) { - if (mode->clock > 165000) - args.v3.sInput.ucDispPllConfig |= - DISPPLL_CONFIG_DUAL_LINK; - } + DISPPLL_CONFIG_DUAL_LINK; } if (radeon_encoder_is_dp_bridge(encoder)) { struct drm_encoder *ext_encoder = radeon_atom_get_external_encoder(encoder);