> -----Original Message----- > From: Paul Menzel [mailto:paulepanter at users.sourceforge.net] > Sent: Friday, June 01, 2012 3:37 AM > To: alexdeucher at gmail.com > Cc: airlied at gmail.com; dri-devel at lists.freedesktop.org; Deucher, > Alexander; > stable at vger.kernel.org > Subject: Re: [PATCH] drm/radeon: properly program gart on rv740, juniper, > cypress, barts > > Am Donnerstag, den 31.05.2012, 18:54 -0400 schrieb > alexdeucher at gmail.com: > > From: Alex Deucher <alexander.deucher at amd.com> > > > > Need to program an additional VM register. This doesn't not currently > > cause any problems, but allows us to program the proper backend > > map in a subsequent patch which should improve performance on these > > asics. > > > > Signed-off-by: Alex Deucher <alexander.deucher at amd.com> > > Cc: stable at vger.kernel.org > > --- > > drivers/gpu/drm/radeon/evergreen.c | 5 +++++ > > drivers/gpu/drm/radeon/evergreend.h | 1 + > > drivers/gpu/drm/radeon/rv770.c | 2 ++ > > drivers/gpu/drm/radeon/rv770d.h | 1 + > > 4 files changed, 9 insertions(+), 0 deletions(-) > > > > diff --git a/drivers/gpu/drm/radeon/evergreen.c > b/drivers/gpu/drm/radeon/evergreen.c > > index 5d9c2c6..0408ac2 100644 > > --- a/drivers/gpu/drm/radeon/evergreen.c > > +++ b/drivers/gpu/drm/radeon/evergreen.c > > @@ -1029,6 +1029,11 @@ int evergreen_pcie_gart_enable(struct > radeon_device *rdev) > > WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp); > > WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp); > > WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp); > > + if ((rdev->family == CHIP_JUNIPER) || > > + (rdev->family == CHIP_CYPRESS) || > > + (rdev->family == CHIP_HEMLOCK) || > > Is rv740 in the commit summary Hemlock?
Hemlock is just a dual gpu variant of a cypress. Rv740 is programmed separately in rv770.c as Dave mentioned. Alex > > > + (rdev->family == CHIP_BARTS)) > > + WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp); > > } > > [?] > > > Thanks, > > Paul