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@xxxxxxxxx>
---
drivers/gpu/drm/radeon/atombios_crtc.c | 51 +++++++++++++++++++++++++++----
1 files changed, 44 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 12ad512..577239a 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -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;
--
1.7.1.1
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