[PATCH] drm: imx: ipuv3-plane: fix HDMI cannot work for odd screen resolutions

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This changes the judgement of if needing to round up the width or not,
from using the `dp_flow` to the plane's type.

The `dp_flow` can be -22(-EINVAL) even the plane is a PRIMARY one.
See `client_reg[]` in `ipu-common.c`.

[    0.605141] [drm:ipu_plane_init] channel 28, dp flow -22, possible_crtcs=0x0

Per the commit message in commit: 71f9fd5bcf09, using the plane type for
judging if rounding up is needed is correct.

Fixes: 71f9fd5bcf09 ("drm/imx: ipuv3-plane: Fix overlay plane width")
Cc: stable@xxxxxxxxxxxxxxx

Signed-off-by: Paul Pu <hui.pu@xxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/imx/ipuv3/ipuv3-plane.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/imx/ipuv3/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3/ipuv3-plane.c
index 704c549750f9..cee83ac70ada 100644
--- a/drivers/gpu/drm/imx/ipuv3/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3/ipuv3-plane.c
@@ -614,7 +614,7 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
 		break;
 	}
 
-	if (ipu_plane->dp_flow == IPU_DP_FLOW_SYNC_BG)
+	if (ipu_plane->base.type == DRM_PLANE_TYPE_PRIMARY)
 		width = ipu_src_rect_width(new_state);
 	else
 		width = drm_rect_width(&new_state->src) >> 16;

base-commit: 431c1646e1f86b949fa3685efc50b660a364c2b6
-- 
2.39.2





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