Re: [PATCH 15/15] drm/exynos/fimc: fix source buffer registers

From: Joonyoung Shim
Date: Tue Aug 26 2014 - 01:57:58 EST


Hi Andrzej,

On 08/22/2014 04:52 PM, Andrzej Hajda wrote:
> FIMC in default mode of operation uses only one input buffer,
> but the driver used also second buffer, as a result only the
> first frame was processed correctly. The patch fixes it.

I can't understand well, then we don't need to distinguish buf_id in
fimc_src_set_addr()?

>
> Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
> ---
> drivers/gpu/drm/exynos/exynos_drm_fimc.c | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
> index b20078e..e985253 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
> @@ -720,24 +720,24 @@ static int fimc_src_set_addr(struct device *dev,
> case IPP_BUF_ENQUEUE:
> config = &property->config[EXYNOS_DRM_OPS_SRC];
> fimc_write(ctx, buf_info->base[EXYNOS_DRM_PLANAR_Y],
> - EXYNOS_CIIYSA(buf_id));
> + EXYNOS_CIIYSA0);
>
> if (config->fmt == DRM_FORMAT_YVU420) {
> fimc_write(ctx, buf_info->base[EXYNOS_DRM_PLANAR_CR],
> - EXYNOS_CIICBSA(buf_id));
> + EXYNOS_CIICBSA0);
> fimc_write(ctx, buf_info->base[EXYNOS_DRM_PLANAR_CB],
> - EXYNOS_CIICRSA(buf_id));
> + EXYNOS_CIICRSA0);
> } else {
> fimc_write(ctx, buf_info->base[EXYNOS_DRM_PLANAR_CB],
> - EXYNOS_CIICBSA(buf_id));
> + EXYNOS_CIICBSA0);
> fimc_write(ctx, buf_info->base[EXYNOS_DRM_PLANAR_CR],
> - EXYNOS_CIICRSA(buf_id));
> + EXYNOS_CIICRSA0);
> }
> break;
> case IPP_BUF_DEQUEUE:
> - fimc_write(ctx, 0x0, EXYNOS_CIIYSA(buf_id));
> - fimc_write(ctx, 0x0, EXYNOS_CIICBSA(buf_id));
> - fimc_write(ctx, 0x0, EXYNOS_CIICRSA(buf_id));
> + fimc_write(ctx, 0x0, EXYNOS_CIIYSA0);
> + fimc_write(ctx, 0x0, EXYNOS_CIICBSA0);
> + fimc_write(ctx, 0x0, EXYNOS_CIICRSA0);
> break;
> default:
> /* bypass */
>

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