linux-kernel - [PATCH 16/36] drm/tilcdc: use bpp instead of cpp for drm_format

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Date:   Mon, 23 Sep 2019 20:49:08 +0800
From:   Sandy Huang <hjc@...k-chips.com>
To:     dri-devel@...ts.freedesktop.org, Jyri Sarha <jsarha@...com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     hjc@...k-chips.com, Tomi Valkeinen <tomi.valkeinen@...com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 16/36] drm/tilcdc: 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/tilcdc/tilcdc_crtc.c  | 2 +-
 drivers/gpu/drm/tilcdc/tilcdc_plane.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index e9dd5e5..78c587d 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -71,7 +71,7 @@ static void set_scanout(struct drm_crtc *crtc, struct drm_framebuffer *fb)
 
 	start = gem->paddr + fb->offsets[0] +
 		crtc->y * fb->pitches[0] +
-		crtc->x * fb->format->cpp[0];
+		crtc->x * fb->format->bpp[0] / 8;
 
 	end = start + (crtc->mode.vdisplay * fb->pitches[0]);
 
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_plane.c b/drivers/gpu/drm/tilcdc/tilcdc_plane.c
index 3abb964..fca7375 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_plane.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_plane.c
@@ -55,7 +55,7 @@ static int tilcdc_plane_atomic_check(struct drm_plane *plane,
 	}
 
 	pitch = crtc_state->mode.hdisplay *
-		state->fb->format->cpp[0];
+		state->fb->format->bpp[0] / 8;
 	if (state->fb->pitches[0] != pitch) {
 		dev_err(plane->dev->dev,
 			"Invalid pitch: fb and crtc widths must be the same");
-- 
2.7.4