Hi Javier,
2016년 06월 02일 23:20에 Javier Martinez Canillas 이(가) 쓴 글:
> Commit a6f75aa161c5 ("drm/exynos: fimd: add HW trigger support") added
> hardware trigger support to the FIMD controller driver. But this broke
> the display in at least the Exynos5800 Peach Pi Chromebook.
>
> So until the issue is fixed, avoid using HW trigger for the Exynos5420
> based boards and use SW trigger as it was before the mentioned commit.
>
> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
>
> ---
>
> Hello Inki,
>
> Since commit a6f75aa161c5 landed in v4.7-rc1, I think $SUBJECT should be
> picked to make sure that v4.7 is released with the display working for
> the Exynos5420 based Chromebooks.
>
> We can then figure out what's wrong with the HW trigger support and fix
> it for v4.8.
Agree. And below is a trivial comment.
>
> Best regards,
> Javier
>
> drivers/gpu/drm/exynos/exynos_drm_fimd.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> index 1c23a8ff5e83..f10030ff00e6 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> @@ -170,14 +170,11 @@ static struct fimd_driver_data exynos5420_fimd_driver_data = {
> .lcdblk_vt_shift = 24,
> .lcdblk_bypass_shift = 15,
> .lcdblk_mic_bypass_shift = 11,
> - .trg_type = I80_HW_TRG,
> .has_shadowcon = 1,
> .has_vidoutcon = 1,
> .has_vtsel = 1,
> .has_mic_bypass = 1,
> .has_dp_clk = 1,
> - .has_hw_trigger = 1,
> - .has_trigger_per_te = 1,
We don't need to remove above two lines. It would be enough to remove 'trg_type = I80_HW_TRG', which makes FIMD to be worked with SW trigger in default.
Thanks,
Inki Dae
> };
>
> struct fimd_context {
>
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