From 9b082f6084c723f95d547d36c25c85fc54653817 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Fri, 12 Aug 2016 16:03:11 +0200 Subject: [PATCH] drm/radeon: only apply the SS fractional workaround to RS[78]80 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Looks like some RV6xx have problems with that. Signed-off-by: Christian König --- drivers/gpu/drm/radeon/atombios_crtc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index a97abc8..1dcf390 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -627,7 +627,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, if (radeon_crtc->ss.refdiv) { radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV; radeon_crtc->pll_reference_div = radeon_crtc->ss.refdiv; - if (rdev->family >= CHIP_RV770) + if (ASIC_IS_AVIVO(rdev) && + rdev->family != CHIP_RS780 && + rdev->family != CHIP_RS880) radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; } } -- 2.5.0