Messages in this thread Patch in this message | | | From | Sandy Huang <> | Subject | [PATCH 32/36] drm/mcde: use bpp instead of cpp for drm_format_info | Date | Mon, 23 Sep 2019 20:53:46 +0800 |
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cpp[BytePerPlane] can't describe the 10bit data format correctly, So we use bpp[BitPerPlane] to instead cpp.
Signed-off-by: Sandy Huang <hjc@rock-chips.com> --- drivers/gpu/drm/mcde/mcde_display.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/mcde/mcde_display.c b/drivers/gpu/drm/mcde/mcde_display.c index 751454a..da2a3db 100644 --- a/drivers/gpu/drm/mcde/mcde_display.c +++ b/drivers/gpu/drm/mcde/mcde_display.c @@ -168,7 +168,7 @@ static int mcde_display_check(struct drm_simple_display_pipe *pipe, * There's no pitch register, the mode's hdisplay * controls this. */ - if (fb->pitches[0] != mode->hdisplay * fb->format->cpp[0]) { + if (fb->pitches[0] != mode->hdisplay * fb->format->bpp[0] / 8) { DRM_DEBUG_KMS("can't handle pitches\n"); return -EINVAL; } @@ -823,7 +823,7 @@ static void mcde_display_enable(struct drm_simple_display_pipe *pipe, u32 formatter_ppl = mode->hdisplay; /* pixels per line */ u32 formatter_lpf = mode->vdisplay; /* lines per frame */ int pkt_size, fifo_wtrmrk; - int cpp = fb->format->cpp[0]; + int cpp = fb->format->bpp[0] / 8; int formatter_cpp; struct drm_format_name_buf tmp; u32 formatter_frame; -- 2.7.4
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