diff options
| author | Michel Dänzer <daenzer@vmware.com> | 2009-06-17 20:28:38 +0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-06-19 03:30:06 +0400 |
| commit | 8b5c744485b75d940ccb1c83c9a358b20eb91346 (patch) | |
| tree | ba72b962795e61805ae28928b4985932e00dbed3 /drivers/gpu | |
| parent | 4e484e7dc5856ff5086b6329d82e36d4adaf1f02 (diff) | |
| download | linux-8b5c744485b75d940ccb1c83c9a358b20eb91346.tar.xz | |
drm/radeon: Fully initialize LVDS info also when we can't get it from the ROM.
This makes the panel on my PowerBook light up.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_combios.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 06e8038bc4ac..afc4db280b94 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -799,6 +799,7 @@ static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct struct radeon_encoder_lvds *lvds = NULL; uint32_t fp_vert_stretch, fp_horz_stretch; uint32_t ppll_div_sel, ppll_val; + uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL); lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL); @@ -808,6 +809,14 @@ static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH); fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH); + /* These should be fail-safe defaults, fingers crossed */ + lvds->panel_pwr_delay = 200; + lvds->panel_vcc_delay = 2000; + + lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL); + lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf; + lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf; + if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE) lvds->native_mode.panel_yres = ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >> |