[PATCH 15/36] drm/mediatek: use bpp instead of cpp for drm_format_info

From: Sandy Huang
Date: Mon Sep 23 2019 - 08:56:11 EST


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

Signed-off-by: Sandy Huang <hjc@xxxxxxxxxxxxxx>
---
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