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Deleted following upstreamed patches: bcm27xx: 950-0006-drm-vc4-hdmi-Fix-HPD-GPIO-detection.patch bcm27xx: 950-0420-drm-vc4-Adopt-the-dma-configuration-from-the-HVS-or-.patch bcm27xx: 950-0425-drm-vc4-A-present-but-empty-dmas-disables-audio.patch bcm27xx: 950-0432-vc4-drm-Avoid-full-hdmi-audio-fifo-writes.patch bcm27xx: 950-0433-vc4-drm-vc4_plane-Remove-subpixel-positioning-check.patch bcm27xx: 950-0435-drm-vc4-Correct-pixel-order-for-DSI0.patch bcm27xx: 950-0436-drm-vc4-Register-dsi0-as-the-correct-vc4-encoder-typ.patch bcm27xx: 950-0437-drm-vc4-Fix-dsi0-interrupt-support.patch bcm27xx: 950-0438-drm-vc4-Add-correct-stop-condition-to-vc4_dsi_encode.patch bcm27xx: 950-0443-drm-vc4-Fix-timings-for-interlaced-modes.patch bcm27xx: 950-0445-drm-vc4-Fix-margin-calculations-for-the-right-bottom.patch bcm27xx: 950-0475-drm-vc4-Reset-HDMI-MISC_CONTROL-register.patch bcm27xx: 950-0476-drm-vc4-Release-workaround-buffer-and-DMA-in-error-p.patch bcm27xx: 950-0477-drm-vc4-Correct-DSI-divider-calculations.patch bcm27xx: 950-0664-drm-vc4-dsi-Correct-max-divider-to-255-not-7.patch bcm53xx: 072-next-ARM_dts_BCM53015-add-mr26.patch mediatek: 920-linux-next-dts-mt7622-bpi-r64-fix-wps-button.patch Manually rebased following patches: bcm27xx: 950-0004-drm-vc4-hdmi-Remove-the-DDC-probing-for-status-detec.patch bcm27xx: 950-0700-net-phy-lan87xx-Decrease-phy-polling-rate.patch bcm27xx: 950-0711-drm-vc4-Rename-bridge-to-out_bridge.patch bcm27xx: 950-0713-drm-vc4-Remove-splitting-the-bridge-chain-from-the-d.patch bcm27xx: 950-0715-drm-vc4-Convert-vc4_dsi-to-using-a-bridge-instead-of.patch bcm27xx: 950-0787-vc4-drm-vc4_plane-Keep-fractional-source-coords-insi.patch bcm27xx: 950-0914-mmc-block-Don-t-do-single-sector-reads-during-recove.patch Runtime tested on turris-omnia and glinet-b1300. Tested-by: John Audia <therealgraysky@proton.me> [bcm2711/RPi4B, mt7622/RT3200] Signed-off-by: Petr Štetiar <ynezz@true.cz>
97 lines
3.5 KiB
Diff
97 lines
3.5 KiB
Diff
From 0496e855a6e1acd60d4ae2e52ee906a4cffae014 Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Mon, 21 Jun 2021 16:07:22 +0200
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Subject: [PATCH] drm/vc4: crtc: Rework the encoder retrieval code
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(again)
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It turns out the encoder retrieval code, in addition to being
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unnecessarily complicated, has a bug when only the planes and crtcs are
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affected by a given atomic commit.
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Indeed, in such a case, either drm_atomic_get_old_connector_state or
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drm_atomic_get_new_connector_state will return NULL and thus our encoder
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retrieval code will not match on anything.
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We can however simplify the code by using drm_for_each_encoder_mask, the
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drm_crtc_state storing the encoders a given CRTC is connected to
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directly and without relying on any other state.
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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 | 30 +++++++++---------------------
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drivers/gpu/drm/vc4/vc4_drv.h | 4 +---
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2 files changed, 10 insertions(+), 24 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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@@ -282,26 +282,14 @@ static u32 vc4_crtc_get_fifo_full_level_
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* same CRTC.
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*/
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struct drm_encoder *vc4_get_crtc_encoder(struct drm_crtc *crtc,
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- struct drm_atomic_state *state,
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- struct drm_connector_state *(*get_state)(struct drm_atomic_state *state,
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- struct drm_connector *connector))
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+ struct drm_crtc_state *state)
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{
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- struct drm_connector *connector;
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- struct drm_connector_list_iter conn_iter;
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+ struct drm_encoder *encoder;
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- drm_connector_list_iter_begin(crtc->dev, &conn_iter);
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- drm_for_each_connector_iter(connector, &conn_iter) {
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- struct drm_connector_state *conn_state = get_state(state, connector);
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-
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- if (!conn_state)
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- continue;
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-
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- if (conn_state->crtc == crtc) {
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- drm_connector_list_iter_end(&conn_iter);
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- return connector->encoder;
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- }
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- }
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- drm_connector_list_iter_end(&conn_iter);
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+ WARN_ON(hweight32(state->encoder_mask) > 1);
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+
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+ drm_for_each_encoder_mask(encoder, crtc->dev, state->encoder_mask)
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+ return encoder;
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return NULL;
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}
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@@ -554,8 +542,7 @@ static void vc4_crtc_atomic_disable(stru
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struct drm_crtc_state *old_state = drm_atomic_get_old_crtc_state(state,
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crtc);
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struct vc4_crtc_state *old_vc4_state = to_vc4_crtc_state(old_state);
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- struct drm_encoder *encoder = vc4_get_crtc_encoder(crtc, state,
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- drm_atomic_get_old_connector_state);
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+ struct drm_encoder *encoder = vc4_get_crtc_encoder(crtc, old_state);
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struct drm_device *dev = crtc->dev;
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require_hvs_enabled(dev);
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@@ -582,10 +569,11 @@ static void vc4_crtc_atomic_disable(stru
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static void vc4_crtc_atomic_enable(struct drm_crtc *crtc,
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struct drm_atomic_state *state)
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{
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+ struct drm_crtc_state *new_state = drm_atomic_get_new_crtc_state(state,
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+ crtc);
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struct drm_device *dev = crtc->dev;
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struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
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- struct drm_encoder *encoder = vc4_get_crtc_encoder(crtc, state,
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- drm_atomic_get_new_connector_state);
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+ struct drm_encoder *encoder = vc4_get_crtc_encoder(crtc, new_state);
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struct vc4_encoder *vc4_encoder = to_vc4_encoder(encoder);
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require_hvs_enabled(dev);
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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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@@ -545,9 +545,7 @@ vc4_crtc_to_vc4_pv_data(const struct vc4
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}
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struct drm_encoder *vc4_get_crtc_encoder(struct drm_crtc *crtc,
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- struct drm_atomic_state *state,
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- struct drm_connector_state *(*get_state)(struct drm_atomic_state *state,
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- struct drm_connector *connector));
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+ struct drm_crtc_state *state);
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struct vc4_crtc_state {
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struct drm_crtc_state base;
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