mirror of
https://github.com/Ysurac/openmptcprouter.git
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90 lines
3.1 KiB
Diff
90 lines
3.1 KiB
Diff
From 60715b6ef65b4aae143edea24d3a65470fd9c223 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 492/552] 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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diff --git a/drivers/gpu/drm/vc4/vc4_vec.c b/drivers/gpu/drm/vc4/vc4_vec.c
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index fb4360c0d9e3..b684595a5d0b 100644
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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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@@ -415,6 +415,31 @@ static void vc4_vec_connector_reset(struct drm_connector *connector)
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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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@@ -426,6 +451,7 @@ static const struct drm_connector_funcs vc4_vec_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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@@ -563,26 +589,10 @@ static bool vc4_vec_encoder_mode_fixup(struct drm_encoder *encoder,
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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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--
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2.33.0
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