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8299d1f057
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
86 lines
2.9 KiB
Diff
86 lines
2.9 KiB
Diff
From 63470fe3eedc28c8fd8c050cb5427a3f31bd99bd Mon Sep 17 00:00:00 2001
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From: Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com>
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Date: Thu, 15 Jul 2021 01:08:05 +0200
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Subject: [PATCH] drm/vc4: Refactor mode checking logic
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Replace drm_encoder_helper_funcs::atomic_check with
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drm_connector_helper_funcs::atomic_check - the former is not called
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during drm_mode_obj_set_property_ioctl(). Set crtc_state->mode_changed
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if TV norm changes even without explicit mode change. This makes things
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like "xrandr --output Composite-1 --set mode PAL-M" work properly.
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Signed-off-by: Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com>
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---
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drivers/gpu/drm/vc4/vc4_vec.c | 42 ++++++++++++++++++++++-------------
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1 file changed, 26 insertions(+), 16 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_vec.c
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+++ b/drivers/gpu/drm/vc4/vc4_vec.c
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@@ -421,6 +421,31 @@ static void vc4_vec_connector_reset(stru
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connector->state->tv.mode = vc4_vec_get_default_mode(connector);
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}
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+static int vc4_vec_connector_atomic_check(struct drm_connector *conn,
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+ struct drm_atomic_state *state)
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+{
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+ struct drm_connector_state *old_state =
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+ drm_atomic_get_old_connector_state(state, conn);
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+ struct drm_connector_state *new_state =
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+ drm_atomic_get_new_connector_state(state, conn);
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+
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+ const struct vc4_vec_tv_mode *vec_mode =
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+ &vc4_vec_tv_modes[new_state->tv.mode];
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+
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+ if (new_state->crtc) {
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+ struct drm_crtc_state *crtc_state =
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+ drm_atomic_get_new_crtc_state(state, new_state->crtc);
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+
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+ if (!drm_mode_equal(vec_mode->mode, &crtc_state->mode))
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+ return -EINVAL;
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+
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+ if (old_state->tv.mode != new_state->tv.mode)
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+ crtc_state->mode_changed = true;
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+ }
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+
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+ return 0;
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+}
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+
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static const struct drm_connector_funcs vc4_vec_connector_funcs = {
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.detect = vc4_vec_connector_detect,
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.fill_modes = drm_helper_probe_single_connector_modes,
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@@ -432,6 +457,7 @@ static const struct drm_connector_funcs
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static const struct drm_connector_helper_funcs vc4_vec_connector_helper_funcs = {
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.get_modes = vc4_vec_connector_get_modes,
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+ .atomic_check = vc4_vec_connector_atomic_check,
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};
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static struct drm_connector *vc4_vec_connector_init(struct drm_device *dev,
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@@ -569,26 +595,10 @@ static bool vc4_vec_encoder_mode_fixup(s
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return true;
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}
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-static int vc4_vec_encoder_atomic_check(struct drm_encoder *encoder,
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- struct drm_crtc_state *crtc_state,
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- struct drm_connector_state *conn_state)
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-{
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- const struct vc4_vec_tv_mode *vec_mode;
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-
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- vec_mode = &vc4_vec_tv_modes[conn_state->tv.mode];
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-
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- if (conn_state->crtc &&
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- !drm_mode_equal(vec_mode->mode, &crtc_state->adjusted_mode))
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- return -EINVAL;
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-
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- return 0;
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-}
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-
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static const struct drm_encoder_helper_funcs vc4_vec_encoder_helper_funcs = {
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.disable = vc4_vec_encoder_disable,
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.enable = vc4_vec_encoder_enable,
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.mode_fixup = vc4_vec_encoder_mode_fixup,
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- .atomic_check = vc4_vec_encoder_atomic_check,
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};
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static const struct vc4_vec_variant bcm2835_vec_variant = {
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