diff options
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/radeon/atombios_crtc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index a25d08af62d8..038570aadf7f 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -544,6 +544,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, /* use frac fb div on APUs */ if (ASIC_IS_DCE41(rdev)) pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV; + /* use frac fb div on RS780/RS880 */ + if ((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880)) + pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV; if (ASIC_IS_DCE32(rdev) && mode->clock > 165000) pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV; } else { |