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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>
60 lines
1.8 KiB
Diff
60 lines
1.8 KiB
Diff
From c1180b13d216c9c7157b2c97aa8be986feba709c Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Thu, 27 Apr 2023 09:47:54 +0200
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Subject: [PATCH 0616/1085] drm/vc4: txp: Add horizontal and vertical size
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offset toggle bit
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The new writeback controllers that can be found on the BCM2712 require
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to have their horizontal and vertical size reduced by one.
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Let's tie that behaviour to the compatible so we can support both the
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new and old controllers.
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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_drv.h | 1 +
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drivers/gpu/drm/vc4/vc4_txp.c | 14 ++++++++++++--
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2 files changed, 13 insertions(+), 2 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_drv.h
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+++ b/drivers/gpu/drm/vc4/vc4_drv.h
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@@ -549,6 +549,7 @@ struct vc4_crtc_data {
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struct vc4_txp_data {
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struct vc4_crtc_data base;
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unsigned int has_byte_enable:1;
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+ unsigned int size_minus_one:1;
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};
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extern const struct vc4_txp_data bcm2835_txp_data;
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--- a/drivers/gpu/drm/vc4/vc4_txp.c
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+++ b/drivers/gpu/drm/vc4/vc4_txp.c
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@@ -291,6 +291,8 @@ static void vc4_txp_connector_atomic_com
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struct drm_gem_dma_object *gem;
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struct drm_display_mode *mode;
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struct drm_framebuffer *fb;
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+ unsigned int hdisplay;
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+ unsigned int vdisplay;
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u32 ctrl;
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int idx;
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int i;
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@@ -330,9 +332,17 @@ static void vc4_txp_connector_atomic_com
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gem = drm_fb_dma_get_gem_obj(fb, 0);
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TXP_WRITE(TXP_DST_PTR, gem->dma_addr + fb->offsets[0]);
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TXP_WRITE(TXP_DST_PITCH, fb->pitches[0]);
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+
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+ hdisplay = mode->hdisplay ?: 1;
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+ vdisplay = mode->vdisplay ?: 1;
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+ if (txp_data->size_minus_one) {
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+ hdisplay -= 1;
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+ vdisplay -= 1;
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+ }
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+
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TXP_WRITE(TXP_DIM,
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- VC4_SET_FIELD(mode->hdisplay, TXP_WIDTH) |
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- VC4_SET_FIELD(mode->vdisplay, TXP_HEIGHT));
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+ VC4_SET_FIELD(hdisplay, TXP_WIDTH) |
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+ VC4_SET_FIELD(vdisplay, TXP_HEIGHT));
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TXP_WRITE(TXP_DST_CTRL, ctrl);
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