diff options
-rw-r--r-- | linux-core/radeon_combios.c | 32 | ||||
-rw-r--r-- | linux-core/radeon_legacy_encoders.c | 11 | ||||
-rw-r--r-- | linux-core/radeon_mode.h | 4 |
3 files changed, 43 insertions, 4 deletions
diff --git a/linux-core/radeon_combios.c b/linux-core/radeon_combios.c index 56116463..02f7335f 100644 --- a/linux-core/radeon_combios.c +++ b/linux-core/radeon_combios.c @@ -460,6 +460,36 @@ bool radeon_combios_get_clock_info(struct drm_device *dev) return false; } +bool radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder) +{ + struct drm_device *dev = encoder->base.dev; + struct drm_radeon_private *dev_priv = dev->dev_private; + uint16_t dac_info; + uint8_t rev, bg, dac; + + /* check CRT table */ + dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE); + if (dac_info) { + rev = radeon_bios8(dev_priv, dac_info) & 0x3; + if (rev < 2) { + bg = radeon_bios8(dev_priv, dac_info + 0x2) & 0xf; + dac = (radeon_bios8(dev_priv, dac_info + 0x2) >> 4) & 0xf; + encoder->ps2_pdac_adj = (bg << 8) | (dac); + + return true; + } else { + bg = radeon_bios8(dev_priv, dac_info + 0x2) & 0xf; + dac = radeon_bios8(dev_priv, dac_info + 0x3) & 0xf; + encoder->ps2_pdac_adj = (bg << 8) | (dac); + + return true; + } + + } + + return false; +} + bool radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder) { struct drm_device *dev = encoder->base.dev; @@ -908,7 +938,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev) dev_priv->chip_family == CHIP_RS480) { uint16_t lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE); if (lcd_info) { - uint16_t lcd_ddc_info = lcd_ddc_info = combios_get_table_offset(dev, COMBIOS_LCD_DDC_INFO_TABLE); + uint16_t lcd_ddc_info = combios_get_table_offset(dev, COMBIOS_LCD_DDC_INFO_TABLE); mode_info->bios_connector[4].valid = true; mode_info->bios_connector[4].connector_type = CONNECTOR_LVDS; diff --git a/linux-core/radeon_legacy_encoders.c b/linux-core/radeon_legacy_encoders.c index 172f93de..48cdd18c 100644 --- a/linux-core/radeon_legacy_encoders.c +++ b/linux-core/radeon_legacy_encoders.c @@ -420,6 +420,7 @@ static void radeon_legacy_primary_dac_mode_set(struct drm_encoder *encoder, struct drm_device *dev = encoder->dev; struct drm_radeon_private *dev_priv = dev->dev_private; struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); uint32_t disp_output_cntl, dac_cntl, dac2_cntl, dac_macro_cntl; DRM_DEBUG("\n"); @@ -458,7 +459,11 @@ static void radeon_legacy_primary_dac_mode_set(struct drm_encoder *encoder, RADEON_DAC_RANGE_CNTL | RADEON_DAC_BLANKING); - dac_macro_cntl = RADEON_READ(RADEON_DAC_MACRO_CNTL); + if (radeon_encoder->ps2_pdac_adj) + dac_macro_cntl = radeon_encoder->ps2_pdac_adj; + else + dac_macro_cntl = RADEON_READ(RADEON_DAC_MACRO_CNTL); + dac_macro_cntl |= RADEON_DAC_PDWN_R | RADEON_DAC_PDWN_G | RADEON_DAC_PDWN_B; RADEON_WRITE(RADEON_DAC_MACRO_CNTL, dac_macro_cntl); } @@ -504,8 +509,8 @@ struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev drm_encoder_helper_add(encoder, &radeon_legacy_primary_dac_helper_funcs); - /* TODO get the primary dac vals from bios tables */ - //radeon_combios_get_lvds_info(radeon_encoder); + /* get the primary dac bg/adj vals from bios tables */ + radeon_combios_get_primary_dac_info(radeon_encoder); return encoder; } diff --git a/linux-core/radeon_mode.h b/linux-core/radeon_mode.h index 3271375d..ee801604 100644 --- a/linux-core/radeon_mode.h +++ b/linux-core/radeon_mode.h @@ -368,6 +368,9 @@ struct radeon_encoder { bool use_bios_dividers; uint32_t lvds_gen_cntl; + /* legacy primary dac */ + uint32_t ps2_pdac_adj; + /* legacy tv dac */ uint32_t ps2_tvdac_adj; uint32_t ntsc_tvdac_adj; @@ -439,6 +442,7 @@ extern bool radeon_combios_get_lvds_info(struct radeon_encoder *encoder); extern bool radeon_combios_get_tmds_info(struct radeon_encoder *encoder); extern bool radeon_combios_get_tv_info(struct radeon_encoder *encoder); extern bool radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder); +extern bool radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder); extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, u16 blue, int regno); struct drm_framebuffer *radeon_user_framebuffer_create(struct drm_device *dev, |