On Wed, May 20, 2020 at 12:39 PM Harry Wentland <hwentlan@xxxxxxx> wrote:
>
> On 2020-05-15 1:19 a.m., Mario Kleiner wrote:
> > Testing on a Polaris11 gpu with DCE-11.2 suggests that it
> > seems to work fine there, so optimistically enable it for
> > DCE-11 and later.
> >
> > Signed-off-by: Mario Kleiner <mario.kleiner.de@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c | 2 +-
> > drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c | 2 +-
> > drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c | 2 +-
> > 3 files changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
> > index 9597fc79d7fa..a043ddae5149 100644
> > --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
> > +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
> > @@ -410,7 +410,7 @@ static const struct dc_plane_cap plane_cap = {
> > .pixel_format_support = {
> > .argb8888 = true,
> > .nv12 = false,
> > - .fp16 = false
> > + .fp16 = true
>
> Carrizo (DCE 11.0) has a HW bug where FP16 scaling doesn't work. I
> recommend we leave it off here.
I'll drop this hunk for upstream.
Alex
>
> Harry
>
> > },
> >
> > .max_upscale_factor = {
> > diff --git a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
> > index 4a7796de2ff5..51b3fe502670 100644
> > --- a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
> > +++ b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
> > @@ -411,7 +411,7 @@ static const struct dc_plane_cap plane_cap = {
> > .pixel_format_support = {
> > .argb8888 = true,
> > .nv12 = false,
> > - .fp16 = false
> > + .fp16 = true
> > },
> >
> > .max_upscale_factor = {
> > diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
> > index 9a9764cbd78d..8f362e8c1787 100644
> > --- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
> > +++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
> > @@ -516,7 +516,7 @@ static const struct dc_plane_cap plane_cap = {
> > .pixel_format_support = {
> > .argb8888 = true,
> > .nv12 = false,
> > - .fp16 = false
> > + .fp16 = true
> > },
> >
> > .max_upscale_factor = {
> >
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