drm/radeon: use frac fb div on DCE8

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 24eee7c..c7ad4b9 100644 (file)
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -555,7 +555,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
                if (rdev->family < CHIP_RV770)
                        radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
                /* use frac fb div on APUs */
-               if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev))
+               if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev) || ASIC_IS_DCE8(rdev))
                        radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
                /* use frac fb div on RS780/RS880 */
                if ((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880))