linux-kernel - [PATCH 15/36] drm/mediatek: use bpp instead of cpp for drm_format

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Date:   Mon, 23 Sep 2019 20:47:39 +0800
From:   Sandy Huang <hjc@...k-chips.com>
To:     dri-devel@...ts.freedesktop.org, CK Hu <ck.hu@...iatek.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     hjc@...k-chips.com, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 15/36] drm/mediatek: use bpp instead of cpp for drm_format_info

cpp[BytePerPlane] can't describe the 10bit data format correctly,
So we use bpp[BitPerPlane] to instead cpp.

Signed-off-by: Sandy Huang <hjc@...k-chips.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_fb.c    | 2 +-
 drivers/gpu/drm/mediatek/mtk_drm_plane.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_fb.c b/drivers/gpu/drm/mediatek/mtk_drm_fb.c
index 3f230a2..fd80548 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_fb.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_fb.c
@@ -69,7 +69,7 @@ struct drm_framebuffer *mtk_drm_mode_fb_create(struct drm_device *dev,
 	if (!gem)
 		return ERR_PTR(-ENOENT);
 
-	bpp = info->cpp[0];
+	bpp = info->bpp[0] / 8;
 	size = (height - 1) * cmd->pitches[0] + width * bpp;
 	size += cmd->offsets[0];
 
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
index 584a9ec..97d38db 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
@@ -121,7 +121,7 @@ static void mtk_plane_atomic_update(struct drm_plane *plane,
 	pitch = fb->pitches[0];
 	format = fb->format->format;
 
-	addr += (plane->state->src.x1 >> 16) * fb->format->cpp[0];
+	addr += (plane->state->src.x1 >> 16) * fb->format->bpp[0] / 8;
 	addr += (plane->state->src.y1 >> 16) * pitch;
 
 	state->pending.enable = true;
-- 
2.7.4