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8c405cdccc
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>
48 lines
1.8 KiB
Diff
48 lines
1.8 KiB
Diff
From 295e80d1c3c29084bb9874b08f320446c422fdcb Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Fri, 17 Feb 2023 13:39:13 +0100
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Subject: [PATCH 0584/1085] drm/vc4: crtc: Move assigned_channel to a variable
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We access multiple times the vc4_crtc_state->assigned_channel variable
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in the vc4_crtc_get_scanout_position() function, so let's store it in a
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local variable.
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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---
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drivers/gpu/drm/vc4/vc4_crtc.c | 7 ++++---
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1 file changed, 4 insertions(+), 3 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_crtc.c
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+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
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@@ -105,6 +105,7 @@ static bool vc4_crtc_get_scanout_positio
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struct vc4_hvs *hvs = vc4->hvs;
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struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
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struct vc4_crtc_state *vc4_crtc_state = to_vc4_crtc_state(crtc->state);
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+ unsigned int channel = vc4_crtc_state->assigned_channel;
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unsigned int cob_size;
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u32 val;
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int fifo_lines;
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@@ -121,7 +122,7 @@ static bool vc4_crtc_get_scanout_positio
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* Read vertical scanline which is currently composed for our
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* pixelvalve by the HVS, and also the scaler status.
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*/
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- val = HVS_READ(SCALER_DISPSTATX(vc4_crtc_state->assigned_channel));
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+ val = HVS_READ(SCALER_DISPSTATX(channel));
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/* Get optional system timestamp after query. */
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if (etime)
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@@ -137,11 +138,11 @@ static bool vc4_crtc_get_scanout_positio
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*vpos /= 2;
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/* Use hpos to correct for field offset in interlaced mode. */
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- if (vc4_hvs_get_fifo_frame_count(hvs, vc4_crtc_state->assigned_channel) % 2)
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+ if (vc4_hvs_get_fifo_frame_count(hvs, channel) % 2)
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*hpos += mode->crtc_htotal / 2;
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}
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- cob_size = vc4_crtc_get_cob_allocation(vc4, vc4_crtc_state->assigned_channel);
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+ cob_size = vc4_crtc_get_cob_allocation(vc4, channel);
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/* This is the offset we need for translating hvs -> pv scanout pos. */
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fifo_lines = cob_size / mode->crtc_hdisplay;
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