Hi,
On 2015년 01월 30일 06:18, Alban Browaeys wrote:
> The hdmi outputs black screen only even though under the hood Xorg and
> framebuffer console are fine : devices found and initialized, but
> not a pixel out.
>
> Commit 93bca243ec96 ("drm/exynos: remove struct exynos_drm_manager")
> changed the call order of mixer_initialize with regards to
> exynos_drm_crtc_create.
>
> This changes breaks hdmi out on Odroid U2 (linux-next with added
> Marek Szyprowski v4 hdmi patchset from linux-samsung-soc ML).
>
> Restore the previous call ordering get hdmi to ouput proper pixels:
> ie call mixer_initialize first then exynos_drm_crtc_create.
Applied. Please use prefix of subject correctly, drm/exynos because your
patch is filtered in my mail box.
Thanks,
Inki Dae
>
> Fixes: 93bca243ec96 ("drm/exynos: remove struct exynos_drm_manager")
> Signed-off-by: Alban Browaeys <[email protected]>
> ---
> drivers/gpu/drm/exynos/exynos_mixer.c | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c
> b/drivers/gpu/drm/exynos/exynos_mixer.c
> index d8fd8e1..188f90f 100644
> --- a/drivers/gpu/drm/exynos/exynos_mixer.c
> +++ b/drivers/gpu/drm/exynos/exynos_mixer.c
> @@ -1258,18 +1258,19 @@ static int mixer_bind(struct device *dev, struct
> device *manager, void *data)
> struct drm_device *drm_dev = data;
> int ret;
>
> + ret = mixer_initialize(ctx, drm_dev);
> + if (ret)
> + return ret;
> +
> ctx->crtc = exynos_drm_crtc_create(drm_dev, ctx->pipe,
> EXYNOS_DISPLAY_TYPE_HDMI,
> &mixer_crtc_ops, ctx);
> if (IS_ERR(ctx->crtc)) {
> + mixer_ctx_remove(ctx);
> ret = PTR_ERR(ctx->crtc);
> goto free_ctx;
> }
>
> - ret = mixer_initialize(ctx, drm_dev);
> - if (ret)
> - goto free_ctx;
> -
> return 0;
>
> free_ctx:
>
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