Not an enormous fan of what you had to do in atomic_set_planes, but
OTOH I don't see a much better way to do it either.
Reviewed-by: Ilia Mirkin <imirkin@xxxxxxxxxxxx>
On Tue, Mar 17, 2020 at 8:11 AM Rohit Visavalia
<rohit.visavalia@xxxxxxxxxx> wrote:
>
> Current implementation shows error as "failed to set gamma: Function
> no implemented" if platform specific drm has no gamma property implemented
>
> Signed-off-by: Rohit Visavalia <rohit.visavalia@xxxxxxxxxx>
> ---
> tests/modetest/modetest.c | 21 ++++++++++++++++-----
> 1 file changed, 16 insertions(+), 5 deletions(-)
>
> diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c
> index b907ab3..23ee73d 100644
> --- a/tests/modetest/modetest.c
> +++ b/tests/modetest/modetest.c
> @@ -1328,14 +1328,24 @@ static int set_plane(struct device *dev, struct plane_arg *p)
> static void atomic_set_planes(struct device *dev, struct plane_arg *p,
> unsigned int count, bool update)
> {
> - unsigned int i, pattern = primary_fill;
> + unsigned int i, j, pattern = primary_fill;
> + struct crtc *crtc = NULL;
>
> /* set up planes */
> for (i = 0; i < count; i++) {
> - if (i > 0)
> + if (i > 0) {
> pattern = secondary_fill;
> - else
> - set_gamma(dev, p[i].crtc_id, p[i].fourcc);
> + } else {
> + for (j = 0; j < dev->resources->res->count_crtcs; j++) {
> + if (p[i].crtc_id ==
> + dev->resources->res->crtcs[j]) {
> + crtc = &dev->resources->crtcs[j];
> + break;
> + }
> + }
> + if (crtc->crtc->gamma_size)
> + set_gamma(dev, p[i].crtc_id, p[i].fourcc);
> + }
>
> if (atomic_set_plane(dev, &p[i], pattern, update))
> return;
> @@ -1522,7 +1532,8 @@ static void set_mode(struct device *dev, struct pipe_arg *pipes, unsigned int co
> return;
> }
>
> - set_gamma(dev, pipe->crtc->crtc->crtc_id, pipe->fourcc);
> + if (pipe->crtc->crtc->gamma_size)
> + set_gamma(dev, pipe->crtc->crtc->crtc_id, pipe->fourcc);
> }
> }
>
> --
> 2.7.4
>
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