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Commit 392d9e1d authored by Tomasz Stanislawski's avatar Tomasz Stanislawski Committed by Mauro Carvalho Chehab
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[media] v4l: s5p-tv: mixer: fix setup of VP scaling 



Adjusting of Video Processor's scaling factors was flawed. It bounded scaling
to range 1/16 to 1/1. The correct range should be 1/4 to 4/1. This patch fixes
this bug.

Signed-off-by: default avatarTomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 0d066d3f

drivers/media/video/s5p-tv/mixer_vp_layer.c

+4 −4
Original line number Original line Diff line number Diff line
@@ -172,10 +172,10 @@ static void mxr_vp_fix_geometry(struct mxr_layer *layer, 
		y_center = src->y_offset + src->height / 2;

		y_center = src->y_offset + src->height / 2;





		/* ensure scaling is between 0.25x .. 16x */

		/* ensure scaling is between 0.25x .. 16x */

		src->width = clamp(src->width, round_up(dst->width, 4),

		src->width = clamp(src->width, round_up(dst->width / 16, 4),

			dst->width * 16);

			dst->width * 4);

		src->height = clamp(src->height, round_up(dst->height, 4),

		src->height = clamp(src->height, round_up(dst->height / 16, 4),

			dst->height * 16);

			dst->height * 4);





		/* hardware limits */

		/* hardware limits */

		src->width = clamp(src->width, 32U, 2047U);

		src->width = clamp(src->width, 32U, 2047U);