diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_atombios.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_atombios.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 93783b15c81d..e4540b2b859c 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -887,6 +887,20 @@ bool radeon_atom_get_clock_info(struct drm_device *dev) p1pll->pll_out_max = le32_to_cpu(firmware_info->info.ulMaxPixelClockPLL_Output); + if (crev >= 4) { + p1pll->lcd_pll_out_min = + le16_to_cpu(firmware_info->info_14.usLcdMinPixelClockPLL_Output) * 100; + if (p1pll->lcd_pll_out_min == 0) + p1pll->lcd_pll_out_min = p1pll->pll_out_min; + p1pll->lcd_pll_out_max = + le16_to_cpu(firmware_info->info_14.usLcdMaxPixelClockPLL_Output) * 100; + if (p1pll->lcd_pll_out_max == 0) + p1pll->lcd_pll_out_max = p1pll->pll_out_max; + } else { + p1pll->lcd_pll_out_min = p1pll->pll_out_min; + p1pll->lcd_pll_out_max = p1pll->pll_out_max; + } + if (p1pll->pll_out_min == 0) { if (ASIC_IS_AVIVO(rdev)) p1pll->pll_out_min = 64800; |