linux-kernel - [PATCH v2] drm/stm: check pitch and size calculations even if !CONFIG

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Message-Id: <20180131080508.14356-1-benjamin.gaignard@linaro.org>
Date:   Wed, 31 Jan 2018 09:05:08 +0100
From:   Benjamin Gaignard <benjamin.gaignard@...aro.org>
To:     yannick.fertre@...com, philippe.cornu@...com,
        vincent.abriou@...com, laurent.pinchart@...asonboard.com
Cc:     airlied@...ux.ie, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>
Subject: [PATCH v2] drm/stm: check pitch and size calculations even if !CONFIG_MMU

In all cases we have to check pitch and size calculations to speed up
data transfer.

Fixes: 21f815bf773c ("drm/stm: drv: Improve data transfers")

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...aro.org>
---
 drivers/gpu/drm/stm/drv.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c
index 8bc7e8418b8d..9ab00a87f7cc 100644
--- a/drivers/gpu/drm/stm/drv.c
+++ b/drivers/gpu/drm/stm/drv.c
@@ -35,7 +35,6 @@ static int stm_gem_cma_dumb_create(struct drm_file *file,
 				   struct drm_device *dev,
 				   struct drm_mode_create_dumb *args)
 {
-#ifdef CONFIG_MMU
 	unsigned int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
 
 	/*
@@ -44,7 +43,6 @@ static int stm_gem_cma_dumb_create(struct drm_file *file,
 	 */
 	args->pitch = roundup(min_pitch, 128);
 	args->height = roundup(args->height, 4);
-#endif
 
 	return drm_gem_cma_dumb_create_internal(file, dev, args);
 }
-- 
2.15.0