[PATCH] drm/radeon: only apply the SS fractional workaround to RS[78]80

[Deucher, Alexander]

> -----Original Message-----
> From: Christian König [mailto:deathsimple at vodafone.de]
> Sent: Thursday, August 18, 2016 11:19 AM
> To: Alex Deucher; Deucher, Alexander
> Cc: amd-gfx at lists.freedesktop.org
> Subject: Re: [PATCH] drm/radeon: only apply the SS fractional workaround to
> RS[78]80
> 
> Am 18.08.2016 um 17:18 schrieb Alex Deucher:
> > On Thu, Aug 18, 2016 at 9:40 AM, Deucher, Alexander
> > <Alexander.Deucher at amd.com> wrote:
> >>> -----Original Message-----
> >>> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On
> Behalf
> >>> Of Christian König
> >>> Sent: Thursday, August 18, 2016 5:51 AM
> >>> To: amd-gfx at lists.freedesktop.org
> >>> Cc: Deucher, Alexander
> >>> Subject: [PATCH] drm/radeon: only apply the SS fractional workaround
> to
> >>> RS[78]80
> >>>
> >>> From: Christian König <christian.koenig at amd.com>
> >>>
> >>> Looks like some RV6xx have problems with that.
> >>>
> >>> Signed-off-by: Christian König <christian.koenig at amd.com>
> >> Please mention the bugzilla in the patch.  With that included:
> >> Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
> > Fixed up and applied.
> 
> Have you seen my follow up mail? E.g. did you added CC:stable as well?

Yes.

Alex

> 
> Christian.
> 
> >
> > Alex
> >
> >>> ---
> >>>   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
> >>>
> >>> _______________________________________________
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> >>> amd-gfx at lists.freedesktop.org
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>