Re: [PATCH 29/36] drm/ingenic: use bpp instead of cpp for drm_format_info

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Hi Sandy,


Le lun. 23 sept. 2019 à 14:53, Sandy Huang <hjc@xxxxxxxxxxxxxx> a écrit :
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/ingenic/ingenic-drm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ingenic/ingenic-drm.c b/drivers/gpu/drm/ingenic/ingenic-drm.c
index ec32e1c..70ccec5 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm.c
+++ b/drivers/gpu/drm/ingenic/ingenic-drm.c
@@ -375,7 +375,7 @@ static void ingenic_drm_plane_atomic_update(struct drm_plane *plane,

 	width = state->crtc->state->adjusted_mode.hdisplay;
 	height = state->crtc->state->adjusted_mode.vdisplay;
-	cpp = state->fb->format->cpp[plane->index];
+	cpp = state->fb->format->bpp[plane->index] / 8;

That wouldn't work with 15-bit rgb555...



priv->dma_hwdesc->addr = drm_fb_cma_get_gem_addr(state->fb, state, 0);
 	priv->dma_hwdesc->cmd = width * height * cpp / 4;
--
2.7.4





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