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radeon legacy chips: tv dac bg/dac adj updates

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COMBIOS - fallback to table values if there are no tv dac or lvds bios tables
ATOMBIOS - add support for looking up these values from the bios table

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2009-06-12 17:26:08 +00:00
committed by Dave Airlie
parent 771fe6b912
commit 6fe7ac3f5b
4 changed files with 88 additions and 3 deletions
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72
drivers/gpu/drm/radeon/radeon_atombios.c
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@@ -824,6 +824,78 @@ struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct
return lvds;
}
struct radeon_encoder_primary_dac *
radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder)
{
struct drm_device *dev = encoder->base.dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_mode_info *mode_info = &rdev->mode_info;
int index = GetIndexIntoMasterTable(DATA, CompassionateData);
uint16_t data_offset;
struct _COMPASSIONATE_DATA *dac_info;
uint8_t frev, crev;
uint8_t bg, dac;
int i;
struct radeon_encoder_primary_dac *p_dac = NULL;
atom_parse_data_header(mode_info->atom_context, index, NULL, &frev, &crev, &data_offset);
dac_info = (struct _COMPASSIONATE_DATA *)(mode_info->atom_context->bios + data_offset);
if (dac_info) {
p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac), GFP_KERNEL);
if (!p_dac)
return NULL;
bg = dac_info->ucDAC1_BG_Adjustment;
dac = dac_info->ucDAC1_DAC_Adjustment;
p_dac->ps2_pdac_adj = (bg << 8) | (dac);
}
return p_dac;
}
struct radeon_encoder_tv_dac *
radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder)
{
struct drm_device *dev = encoder->base.dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_mode_info *mode_info = &rdev->mode_info;
int index = GetIndexIntoMasterTable(DATA, CompassionateData);
uint16_t data_offset;
struct _COMPASSIONATE_DATA *dac_info;
uint8_t frev, crev;
uint8_t bg, dac;
int i;
struct radeon_encoder_tv_dac *tv_dac = NULL;
atom_parse_data_header(mode_info->atom_context, index, NULL, &frev, &crev, &data_offset);
dac_info = (struct _COMPASSIONATE_DATA *)(mode_info->atom_context->bios + data_offset);
if (dac_info) {
tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
if (!tv_dac)
return NULL;
bg = dac_info->ucDAC2_CRT2_BG_Adjustment;
dac = dac_info->ucDAC2_CRT2_DAC_Adjustment;
tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
bg = dac_info->ucDAC2_PAL_BG_Adjustment;
dac = dac_info->ucDAC2_PAL_DAC_Adjustment;
tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
bg = dac_info->ucDAC2_NTSC_BG_Adjustment;
dac = dac_info->ucDAC2_NTSC_DAC_Adjustment;
tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
}
return tv_dac;
}
void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable)
{
DYNAMIC_CLOCK_GATING_PS_ALLOCATION args;