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33 lines
1.1 KiB
Diff
33 lines
1.1 KiB
Diff
From d85fe1169b8141b648c6daa746b7ac807e4cdaba Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Mon, 5 Feb 2018 18:53:18 +0000
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Subject: [PATCH 209/277] drm/vc4: Don't wait for vblank on fkms cursor
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updates.
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We don't use the same async update path between fkms and normal kms,
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and the normal kms workaround ended up making us wait. This became a
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larger problem in rpi-4.14.y, as the USB HID update rate throttling
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got (accidentally?) dropped.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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---
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drivers/gpu/drm/vc4/vc4_kms.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c
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index 50c4959b5bd3..f73343e08fe6 100644
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--- a/drivers/gpu/drm/vc4/vc4_kms.c
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+++ b/drivers/gpu/drm/vc4/vc4_kms.c
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@@ -53,7 +53,8 @@ vc4_atomic_complete_commit(struct drm_atomic_state *state)
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* display lists before we free it and potentially reallocate
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* and overwrite the dlist memory with a new modeset.
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*/
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- state->legacy_cursor_update = false;
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+ if (!vc4->firmware_kms)
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+ state->legacy_cursor_update = false;
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drm_atomic_helper_commit_hw_done(state);
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--
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2.16.1
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