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.
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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