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drm/radeon/kms: DCE3/4 AdjustPixelPll updates 

Add options necessary bits for:
- SS on DP
- SS on LVDS
- set clocks right for DP
- deep color on hdmi (needs additional encoder and edid work as well)

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-08-16 12:44:47 -04:00 committed by Dave Airlie
parent 1d978dac7e
commit fbee67a65d
1 changed files with 44 additions and 7 deletions
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51
drivers/gpu/drm/radeon/atombios_crtc.c
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@ -471,6 +471,8 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
struct radeon_encoder *radeon_encoder = NULL;
u32 adjusted_clock = mode->clock;
int encoder_mode = 0;
u32 dp_clock = mode->clock;
int bpc = 8;
/* reset the pll flags */
pll->flags = 0;
@ -513,6 +515,17 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
if (encoder->crtc == crtc) {
radeon_encoder = to_radeon_encoder(encoder);
encoder_mode = atombios_get_encoder_mode(encoder);
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) {
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
if (connector) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct radeon_connector_atom_dig *dig_connector =
radeon_connector->con_priv;
dp_clock = dig_connector->dp_clock;
}
}
if (ASIC_IS_AVIVO(rdev)) {
/* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)
@ -555,6 +568,14 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
args.v1.usPixelClock = cpu_to_le16(mode->clock / 10);
args.v1.ucTransmitterID = radeon_encoder->encoder_id;
args.v1.ucEncodeMode = encoder_mode;
if (encoder_mode == ATOM_ENCODER_MODE_DP) {
/* may want to enable SS on DP eventually */
/* args.v1.ucConfig |=
ADJUST_DISPLAY_CONFIG_SS_ENABLE;*/
} else if (encoder_mode == ATOM_ENCODER_MODE_LVDS) {
args.v1.ucConfig |=
ADJUST_DISPLAY_CONFIG_SS_ENABLE;
}
atom_execute_table(rdev->mode_info.atom_context,
index, (uint32_t *)&args);
@ -568,10 +589,20 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
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_DP) {
/* may want to enable SS on DP/eDP eventually */
/*args.v3.sInput.ucDispPllConfig |=
DISPPLL_CONFIG_SS_ENABLE;*/
args.v3.sInput.ucDispPllConfig |=
DISPPLL_CONFIG_COHERENT_MODE;
else {
/* 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;
@ -580,13 +611,19 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
DISPPLL_CONFIG_DUAL_LINK;
}
} else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
/* may want to enable SS on DP/eDP eventually */
/*args.v3.sInput.ucDispPllConfig |=
DISPPLL_CONFIG_SS_ENABLE;*/
if (encoder_mode == ATOM_ENCODER_MODE_DP)
if (encoder_mode == ATOM_ENCODER_MODE_DP) {
/* may want to enable SS on DP/eDP eventually */
/*args.v3.sInput.ucDispPllConfig |=
DISPPLL_CONFIG_SS_ENABLE;*/
args.v3.sInput.ucDispPllConfig |=
DISPPLL_CONFIG_COHERENT_MODE;
else {
/* 16200 or 27000 */
args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10);
} else if (encoder_mode == ATOM_ENCODER_MODE_LVDS) {
/* want to enable SS on LVDS eventually */
/*args.v3.sInput.ucDispPllConfig |=
DISPPLL_CONFIG_SS_ENABLE;*/
} else {
if (mode->clock > 165000)
args.v3.sInput.ucDispPllConfig |=
DISPPLL_CONFIG_DUAL_LINK;