8f9e91ad03
These patches were generated from: https://github.com/raspberrypi/linux/commits/rpi-6.12.y With the following command: git format-patch -N v6.12.27..HEAD (HEAD -> 8d3206ee456a5ecdf9ddbfd8e5e231e4f0cd716e) Exceptions: - (def)configs patches - github workflows patches - applied & reverted patches - readme patches - wireless patches Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
41 lines
1.5 KiB
Diff
41 lines
1.5 KiB
Diff
From ef79eea9e4b8f5974a3bcb9fac2c15372d97bfff Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Tue, 15 Apr 2025 17:46:08 +0100
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Subject: [PATCH] drm/vc4: plane: Enable scaler for YUV444 on GEN6
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GEN6 requires the luma scaler to be enabled for YUV444 to
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be rendered at 1:1, otherwise the source plane isn't rendered.
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Fixes: 076eedaf762f ("drm/vc4: hvs: Add support for BCM2712 HVS")
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/gpu/drm/vc4/vc4_plane.c | 18 ++++++++++++++++++
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1 file changed, 18 insertions(+)
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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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@@ -1857,6 +1857,24 @@ static int vc6_plane_mode_set(struct drm
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if (ret)
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return ret;
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+ if (state->fb->format->format == DRM_FORMAT_YUV444 ||
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+ state->fb->format->format == DRM_FORMAT_YVU444) {
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+ /* Similar to YUV422 requiring the chroma scaler to always be
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+ * enabled that is handled in vc4_plane_setup_clipping_and_scaling,
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+ * GEN6 requires the scaler for the luma channel to be enabled
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+ * for YUV444.
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+ */
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+ if (vc4_state->x_scaling[0] == VC4_SCALING_NONE) {
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+ vc4_state->x_scaling[0] = VC4_SCALING_PPF;
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+ vc4_state->is_unity = false;
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+ }
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+
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+ if (vc4_state->y_scaling[0] == VC4_SCALING_NONE) {
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+ vc4_state->y_scaling[0] = VC4_SCALING_PPF;
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+ vc4_state->is_unity = false;
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+ }
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+ }
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+
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if (!vc4_state->src_w[0] || !vc4_state->src_h[0] ||
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!vc4_state->crtc_w || !vc4_state->crtc_h) {
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/* 0 source size probably means the plane is offscreen.
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