Hello,
I've just send an alternate version of this patch, which at least
exposes the 2x scaling feature (which is already alluded to in the code):
https://patchwork.kernel.org/patch/6095901/
@Gustavo: What do you think?
With best wishes,
Tobias
Gustavo Padovan wrote:
> From: Gustavo Padovan <gustavo.padovan at collabora.co.uk>
>
> exynos doesn't show scaled planes properly on the screen so
> disable the feature and show a message to the user.
>
> Signed-off-by: Gustavo Padovan <gustavo.padovan at collabora.co.uk>
> ---
> drivers/gpu/drm/exynos/exynos_mixer.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c
> b/drivers/gpu/drm/exynos/exynos_mixer.c
> index 2e3bc57..a95fe84 100644
> --- a/drivers/gpu/drm/exynos/exynos_mixer.c
> +++ b/drivers/gpu/drm/exynos/exynos_mixer.c
> @@ -550,6 +550,12 @@ static void mixer_graph_buffer(struct mixer_context
> *ctx, int win)
> fmt = ARGB8888;
> }
>
> + if (win_data->crtc_width != win_data->src_width ||
> + win_data->crtc_height != win_data->src_height) {
> + DRM_DEBUG_KMS("plane scaling not supported\n");
> + return;
> + }
> +
> /* 2x scaling feature */
> x_ratio = 0;
> y_ratio = 0;
>
