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From patchwork Tue Oct 9 13:24:46 2018
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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Subject: drm/vc4: Set ->is_yuv to false when num_planes == 1
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From: Boris Brezillon <boris.brezillon@bootlin.com>
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X-Patchwork-Id: 255528
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Message-Id: <20181009132446.21960-1-boris.brezillon@bootlin.com>
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To: David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
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dri-devel@lists.freedesktop.org, Eric Anholt <eric@anholt.net>
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Cc: Boris Brezillon <boris.brezillon@bootlin.com>, stable@vger.kernel.org
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Date: Tue, 9 Oct 2018 15:24:46 +0200
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When vc4_plane_state is duplicated ->is_yuv is left assigned to its
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previous value, and we never set it back to false when switching to
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a non-YUV format.
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Fix that by setting ->is_yuv to false in the 'num_planes == 1' branch
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of the vc4_plane_setup_clipping_and_scaling() function.
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Fixes: fc04023fafecf ("drm/vc4: Add support for YUV planes.")
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Cc: <stable@vger.kernel.org>
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Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
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Reviewed-by: Eric Anholt <eric@anholt.net>
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---
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drivers/gpu/drm/vc4/vc4_plane.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c
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index d04b3c3246ba..60d5ad19cedd 100644
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--- a/drivers/gpu/drm/vc4/vc4_plane.c
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+++ b/drivers/gpu/drm/vc4/vc4_plane.c
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@@ -321,6 +321,7 @@ static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state)
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if (vc4_state->is_unity)
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vc4_state->x_scaling[0] = VC4_SCALING_PPF;
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} else {
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+ vc4_state->is_yuv = false;
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vc4_state->x_scaling[1] = VC4_SCALING_NONE;
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vc4_state->y_scaling[1] = VC4_SCALING_NONE;
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}
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