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The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
51 lines
1.8 KiB
Diff
51 lines
1.8 KiB
Diff
From dac616899f8701cbb982822943a8d794f81a258a Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Tue, 6 Feb 2024 17:52:49 +0000
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Subject: [PATCH 0884/1085] drm/vc4: Drop planes that have 0 destination size
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There is no point in trying to create a dlist entry for planes
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that have a 0 crtc size, and it can also cause grief in the vc6
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dlist generation as it takes width-1 and height-1, causing wrap
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around.
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Drop these planes.
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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 | 11 +++++++----
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1 file changed, 7 insertions(+), 4 deletions(-)
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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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@@ -1114,7 +1114,7 @@ static int vc4_plane_mode_set(struct drm
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width = vc4_state->src_w[0] >> 16;
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height = vc4_state->src_h[0] >> 16;
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- if (!width || !height) {
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+ if (!width || !height || !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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vc4_state->dlist_initialized = 1;
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return 0;
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@@ -1641,8 +1641,10 @@ static int vc6_plane_mode_set(struct drm
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width = vc4_state->src_w[0] >> 16;
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height = vc4_state->src_h[0] >> 16;
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- if (!width || !height) {
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- /* 0 source size probably means the plane is offscreen */
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+ if (!width || !height || !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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+ * 0 destination size is a redundant plane.
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+ */
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vc4_state->dlist_initialized = 1;
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return 0;
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}
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@@ -2018,7 +2020,8 @@ int vc4_plane_atomic_check(struct drm_pl
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if (ret)
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return ret;
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- if (!vc4_state->src_w[0] || !vc4_state->src_h[0])
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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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return 0;
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ret = vc4_plane_allocate_lbm(new_plane_state);
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