linux-kernel - [PATCH 35/36] drm/udl: use bpp instead of cpp for drm_format

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Message-Id: <1569243230-183568-5-git-send-email-hjc@rock-chips.com>
Date:   Mon, 23 Sep 2019 20:53:49 +0800
From:   Sandy Huang <hjc@...k-chips.com>
To:     dri-devel@...ts.freedesktop.org, Dave Airlie <airlied@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Alex Deucher <alexander.deucher@....com>,
        Alexios Zavras <alexios.zavras@...el.com>,
        Sandy Huang <hjc@...k-chips.com>,
        Allison Randal <allison@...utok.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Sam Ravnborg <sam@...nborg.org>
Cc:     Sean Paul <sean@...rly.run>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 35/36] drm/udl: 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/udl/udl_fb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c
index ef3504d..33a42bd 100644
--- a/drivers/gpu/drm/udl/udl_fb.c
+++ b/drivers/gpu/drm/udl/udl_fb.c
@@ -88,8 +88,8 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
 	int aligned_x;
 	int log_bpp;
 
-	BUG_ON(!is_power_of_2(fb->base.format->cpp[0]));
-	log_bpp = __ffs(fb->base.format->cpp[0]);
+	BUG_ON(!is_power_of_2(fb->base.format->bpp[0] / 8));
+	log_bpp = __ffs(fb->base.format->bpp[0] / 8);
 
 	if (!fb->active_16)
 		return 0;
-- 
2.7.4