From 4d24376370fbfc87231d54434a683f2913abcce4 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Wed, 14 Aug 2019 10:53:30 +0200 Subject: [PATCH] gpu: ipu-v3: image-convert: only sample into the next tile if necessary The first pixel of the next tile is only sampled by the hardware if the fractional input position corresponding to the last written output pixel is not an integer position. Signed-off-by: Philipp Zabel --- drivers/gpu/ipu-v3/ipu-image-convert.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/ipu-v3/ipu-image-convert.c b/drivers/gpu/ipu-v3/ipu-image-convert.c index 1a466611ad48..eeca50d9a1ee 100644 --- a/drivers/gpu/ipu-v3/ipu-image-convert.c +++ b/drivers/gpu/ipu-v3/ipu-image-convert.c @@ -1151,7 +1151,7 @@ static void calc_tile_resize_coefficients(struct ipu_image_convert_ctx *ctx) * burst size. */ last_output = resized_width - 1; - if (closest) + if (closest && ((last_output * resize_coeff_h) % 8192)) last_output++; in_width = round_up( (DIV_ROUND_UP(last_output * resize_coeff_h, 8192) + 1) @@ -1208,7 +1208,7 @@ static void calc_tile_resize_coefficients(struct ipu_image_convert_ctx *ctx) * IDMAC restrictions. */ last_output = resized_height - 1; - if (closest) + if (closest && ((last_output * resize_coeff_v) % 8192)) last_output++; in_height = round_up( (DIV_ROUND_UP(last_output * resize_coeff_v, 8192) + 1)