Unverified Commit 34d896ed authored by Paul Kocialkowski's avatar Paul Kocialkowski Committed by Maxime Ripard
Browse files

drm/sun4i: frontend: Add support for packed YUV422 input formats 



This introduces support for packed YUV formats with 4:2:2 sampling using
the frontend. Definitions are introduced for the data format and pixel
sequence input format register values.

Signed-off-by: default avatarPaul Kocialkowski <paul.kocialkowski@bootlin.com>
Acked-by: default avatarMaxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190118145133.21281-9-paul.kocialkowski@bootlin.com
parent b38f61f5

drivers/gpu/drm/sun4i/sun4i_frontend.c

+22 −0
Original line number Diff line number Diff line
@@ -133,6 +133,8 @@ sun4i_frontend_drm_format_to_input_fmt(const struct drm_format_info *format, 
{

	if (!format->is_yuv)

		*val = SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_RGB;

	else if (drm_format_info_is_yuv_sampling_422(format))

		*val = SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_YUV422;

	else

		return -EINVAL;
@@ -160,10 +162,26 @@ sun4i_frontend_drm_format_to_input_sequence(const struct drm_format_info *format 
		*val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_BGRX;

		return 0;



	case DRM_FORMAT_UYVY:

		*val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_UYVY;

		return 0;



	case DRM_FORMAT_VYUY:

		*val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_VYUY;

		return 0;



	case DRM_FORMAT_XRGB8888:

		*val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_XRGB;

		return 0;



	case DRM_FORMAT_YUYV:

		*val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_YUYV;

		return 0;



	case DRM_FORMAT_YVYU:

		*val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_YVYU;

		return 0;



	default:

		return -EINVAL;

	}
@@ -187,7 +205,11 @@ static int sun4i_frontend_drm_format_to_output_fmt(uint32_t fmt, u32 *val) 


static const uint32_t sun4i_frontend_formats[] = {

	DRM_FORMAT_BGRX8888,

	DRM_FORMAT_UYVY,

	DRM_FORMAT_VYUY,

	DRM_FORMAT_XRGB8888,

	DRM_FORMAT_YUYV,

	DRM_FORMAT_YVYU,

};



bool sun4i_frontend_format_is_supported(uint32_t fmt, uint64_t modifier)

drivers/gpu/drm/sun4i/sun4i_frontend.h

+5 −0
Original line number Diff line number Diff line
@@ -27,7 +27,12 @@ 


#define SUN4I_FRONTEND_INPUT_FMT_REG		0x04c

#define SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_PACKED	(1 << 8)

#define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_YUV422	(1 << 4)

#define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_RGB		(5 << 4)

#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_UYVY		0

#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_YUYV		1

#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_VYUY		2

#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_YVYU		3

#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_BGRX		0

#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_XRGB		1

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