41 lines
1.6 KiB
Diff
41 lines
1.6 KiB
Diff
From patchwork Tue Jul 24 13:36:01 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: Reset ->{x, y}_scaling[1] when dealing with uniplanar formats
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From: Boris Brezillon <boris.brezillon@bootlin.com>
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X-Patchwork-Id: 240644
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Message-Id: <20180724133601.32114-1-boris.brezillon@bootlin.com>
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To: Eric Anholt <eric@anholt.net>
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Cc: David Airlie <airlied@linux.ie>,
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Boris Brezillon <boris.brezillon@bootlin.com>, stable@vger.kernel.org,
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dri-devel@lists.freedesktop.org
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Date: Tue, 24 Jul 2018 15:36:01 +0200
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This is needed to ensure ->is_unity is correct when the plane was
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previously configured to output a multi-planar format with scaling
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enabled, and is then being reconfigured to output a uniplanar format.
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Fixes: fc04023fafec ("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 | 3 +++
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1 file changed, 3 insertions(+)
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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 9d7a36f148cf..cfb50fedfa2b 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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@@ -320,6 +320,9 @@ static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state)
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vc4_state->x_scaling[0] = VC4_SCALING_TPZ;
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if (vc4_state->y_scaling[0] == VC4_SCALING_NONE)
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vc4_state->y_scaling[0] = VC4_SCALING_TPZ;
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+ } else {
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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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vc4_state->is_unity = (vc4_state->x_scaling[0] == VC4_SCALING_NONE &&
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