linux-kernel - [PATCH 30/36] drm/sti: use bpp instead of cpp for drm_format

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Message-Id: <1569243189-183445-5-git-send-email-hjc@rock-chips.com>
Date:   Mon, 23 Sep 2019 20:53:03 +0800
From:   Sandy Huang <hjc@...k-chips.com>
To:     dri-devel@...ts.freedesktop.org,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Vincent Abriou <vincent.abriou@...com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     hjc@...k-chips.com, linux-kernel@...r.kernel.org
Subject: [PATCH 30/36] drm/sti: 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/sti/sti_gdp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c
index 11595c7..9280271 100644
--- a/drivers/gpu/drm/sti/sti_gdp.c
+++ b/drivers/gpu/drm/sti/sti_gdp.c
@@ -775,7 +775,7 @@ static void sti_gdp_atomic_update(struct drm_plane *drm_plane,
 			 (unsigned long)cma_obj->paddr);
 
 	/* pixel memory location */
-	bpp = fb->format->cpp[0];
+	bpp = fb->format->bpp[0] / 8;
 	top_field->gam_gdp_pml = (u32)cma_obj->paddr + fb->offsets[0];
 	top_field->gam_gdp_pml += src_x * bpp;
 	top_field->gam_gdp_pml += src_y * fb->pitches[0];
-- 
2.7.4