drm/radeon/kms: cleanup atombios_adjust_pll()
The logic was messy and hard to follow. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Родитель
00dfb8df5b
Коммит
b4f15f808b
|
@ -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);
|
||||
|
|
Загрузка…
Ссылка в новой задаче