Signed-off-by: Alex Deucher alexdeucher@gmail.com --- drivers/gpu/drm/radeon/atombios_crtc.c | 38 ++++++++++++++-- drivers/gpu/drm/radeon/radeon_encoders.c | 70 ++++++++++++++++++++++++++++- 2 files changed, 101 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 529a3a7..608b1c2 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -512,6 +512,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, struct radeon_device *rdev = dev->dev_private; struct drm_encoder *encoder = NULL; struct radeon_encoder *radeon_encoder = NULL; + struct drm_connector *connector = NULL; u32 adjusted_clock = mode->clock; int encoder_mode = 0; u32 dp_clock = mode->clock; @@ -546,9 +547,11 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { if (encoder->crtc == crtc) { radeon_encoder = to_radeon_encoder(encoder); + connector = radeon_get_connector_for_encoder(encoder); + if (connector) + bpc = connector->display_info.bpc; 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 = @@ -754,7 +757,8 @@ static void atombios_crtc_program_pll(struct drm_crtc *crtc, u32 ref_div, u32 fb_div, u32 frac_fb_div, - u32 post_div) + u32 post_div, + int bpc) { struct drm_device *dev = crtc->dev; struct radeon_device *rdev = dev->dev_private; @@ -812,6 +816,15 @@ static void atombios_crtc_program_pll(struct drm_crtc *crtc, args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000); args.v5.ucPostDiv = post_div; args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */ + switch (bpc) { + case 8: + default: + args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP; + break; + case 10: + args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP; + break; + } args.v5.ucTransmitterID = encoder_id; args.v5.ucEncoderMode = encoder_mode; args.v5.ucPpll = pll_id; @@ -824,6 +837,21 @@ static void atombios_crtc_program_pll(struct drm_crtc *crtc, args.v6.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000); args.v6.ucPostDiv = post_div; args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */ + switch (bpc) { + case 8: + default: + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP; + break; + case 10: + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP; + break; + case 12: + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP; + break; + case 16: + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP; + break; + } args.v6.ucTransmitterID = encoder_id; args.v6.ucEncoderMode = encoder_mode; args.v6.ucPpll = pll_id; @@ -855,6 +883,7 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode int encoder_mode = 0; struct radeon_atom_ss ss; bool ss_enabled = false; + int bpc = 8;
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { if (encoder->crtc == crtc) { @@ -891,6 +920,7 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv; int dp_clock; + bpc = connector->display_info.bpc;
switch (encoder_mode) { case ATOM_ENCODER_MODE_DP: @@ -974,7 +1004,7 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode
atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, encoder_mode, radeon_encoder->encoder_id, mode->clock, - ref_div, fb_div, frac_fb_div, post_div); + ref_div, fb_div, frac_fb_div, post_div, bpc);
if (ss_enabled) { /* calculate ss amount and step size */ @@ -1522,7 +1552,7 @@ static void atombios_crtc_disable(struct drm_crtc *crtc) case ATOM_PPLL2: /* disable the ppll */ atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, - 0, 0, ATOM_DISABLE, 0, 0, 0, 0); + 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0); break; default: break; diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index b2e0b58..6c6793e 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -760,6 +760,7 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action) int dp_clock = 0; int dp_lane_count = 0; int hpd_id = RADEON_HPD_NONE; + int bpc = 8;
if (connector) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); @@ -769,6 +770,7 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action) dp_clock = dig_connector->dp_clock; dp_lane_count = dig_connector->dp_lane_count; hpd_id = radeon_connector->hpd.hpd; + bpc = connector->display_info.bpc; }
/* no dig encoder assigned */ @@ -810,7 +812,27 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action) args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V4_DPLINKRATE_5_40GHZ; } args.v4.acConfig.ucDigSel = dig->dig_encoder; - args.v4.ucBitPerColor = PANEL_8BIT_PER_COLOR; + switch (bpc) { + case 0: + args.v4.ucBitPerColor = PANEL_BPC_UNDEFINE; + break; + case 6: + args.v4.ucBitPerColor = PANEL_6BIT_PER_COLOR; + break; + case 8: + default: + args.v4.ucBitPerColor = PANEL_8BIT_PER_COLOR; + break; + case 10: + args.v4.ucBitPerColor = PANEL_10BIT_PER_COLOR; + break; + case 12: + args.v4.ucBitPerColor = PANEL_12BIT_PER_COLOR; + break; + case 16: + args.v4.ucBitPerColor = PANEL_16BIT_PER_COLOR; + break; + } if (hpd_id == RADEON_HPD_NONE) args.v4.ucHPD_ID = 0; else @@ -819,7 +841,27 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action) if ((args.v1.ucEncoderMode == ATOM_ENCODER_MODE_DP) && (dp_clock == 270000)) args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V3_DPLINKRATE_2_70GHZ; args.v3.acConfig.ucDigSel = dig->dig_encoder; - args.v3.ucBitPerColor = PANEL_8BIT_PER_COLOR; + switch (bpc) { + case 0: + args.v3.ucBitPerColor = PANEL_BPC_UNDEFINE; + break; + case 6: + args.v3.ucBitPerColor = PANEL_6BIT_PER_COLOR; + break; + case 8: + default: + args.v3.ucBitPerColor = PANEL_8BIT_PER_COLOR; + break; + case 10: + args.v3.ucBitPerColor = PANEL_10BIT_PER_COLOR; + break; + case 12: + args.v3.ucBitPerColor = PANEL_12BIT_PER_COLOR; + break; + case 16: + args.v3.ucBitPerColor = PANEL_16BIT_PER_COLOR; + break; + } } else { if ((args.v1.ucEncoderMode == ATOM_ENCODER_MODE_DP) && (dp_clock == 270000)) args.v1.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ; @@ -1099,6 +1141,7 @@ atombios_external_encoder_setup(struct drm_encoder *encoder, int dp_lane_count = 0; int connector_object_id = 0; u32 ext_enum = (ext_radeon_encoder->encoder_enum & ENUM_ID_MASK) >> ENUM_ID_SHIFT; + int bpc = 8;
if (connector) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); @@ -1109,6 +1152,7 @@ atombios_external_encoder_setup(struct drm_encoder *encoder, dp_lane_count = dig_connector->dp_lane_count; connector_object_id = (radeon_connector->connector_object_id & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT; + bpc = connector->display_info.bpc; }
memset(&args, 0, sizeof(args)); @@ -1166,7 +1210,27 @@ atombios_external_encoder_setup(struct drm_encoder *encoder, args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_ENCODER3; break; } - args.v3.sExtEncoder.ucBitPerColor = PANEL_8BIT_PER_COLOR; + switch (bpc) { + case 0: + args.v3.sExtEncoder.ucBitPerColor = PANEL_BPC_UNDEFINE; + break; + case 6: + args.v3.sExtEncoder.ucBitPerColor = PANEL_6BIT_PER_COLOR; + break; + case 8: + default: + args.v3.sExtEncoder.ucBitPerColor = PANEL_8BIT_PER_COLOR; + break; + case 10: + args.v3.sExtEncoder.ucBitPerColor = PANEL_10BIT_PER_COLOR; + break; + case 12: + args.v3.sExtEncoder.ucBitPerColor = PANEL_12BIT_PER_COLOR; + break; + case 16: + args.v3.sExtEncoder.ucBitPerColor = PANEL_16BIT_PER_COLOR; + break; + } break; default: DRM_ERROR("Unknown table version: %d, %d\n", frev, crev);