From 12d12e560d7765c3b09e4dc2182aa904caf79154 Mon Sep 17 00:00:00 2001
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From: Jeffy Chen <jeffy.chen@rock-chips.com>
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Date: Wed, 21 Oct 2020 15:27:38 +0800
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Subject: [PATCH 33/74] backend-drm: Support setting interlaced mode
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Tested with:
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echo "output:HDMI-A-1:mode=1920x1080i" > /tmp/.weston_drm.conf
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> Output HDMI-A-1 changed to 1920x1080i@60 for mode(1920x1080i)
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Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
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---
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libweston/backend-drm/drm.c | 4 ++--
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libweston/backend-drm/modes.c | 24 ++++++++++++++----------
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2 files changed, 16 insertions(+), 12 deletions(-)
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diff --git a/libweston/backend-drm/drm.c b/libweston/backend-drm/drm.c
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index e829d77..3667b8d 100644
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--- a/libweston/backend-drm/drm.c
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+++ b/libweston/backend-drm/drm.c
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@@ -3575,9 +3575,9 @@ drm_output_modeset(struct drm_output *output, const char *modeline)
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mode = to_drm_mode(output->base.current_mode);
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- weston_log("Output %s changed to %dx%d@%d for mode(%s)\n",
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+ weston_log("Output %s changed to %s@%d for mode(%s)\n",
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output->base.name,
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- mode->mode_info.hdisplay, mode->mode_info.vdisplay,
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+ mode->mode_info.name,
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mode->mode_info.vrefresh,
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modeline);
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diff --git a/libweston/backend-drm/modes.c b/libweston/backend-drm/modes.c
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index ff7421d..25f61b8 100644
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--- a/libweston/backend-drm/modes.c
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+++ b/libweston/backend-drm/modes.c
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@@ -450,9 +450,8 @@ drm_output_print_modes(struct drm_output *output)
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dm = to_drm_mode(m);
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aspect_ratio = aspect_ratio_to_string(m->aspect_ratio);
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- weston_log_continue(STAMP_SPACE "%dx%d@%.1f%s%s%s, %.1f MHz\n",
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- dm->mode_info.hdisplay,
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- dm->mode_info.vdisplay,
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+ weston_log_continue(STAMP_SPACE "%s@%.1f%s%s%s, %.1f MHz\n",
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+ dm->mode_info.name,
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m->refresh / 1000.0,
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aspect_ratio,
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m->flags & WL_OUTPUT_MODE_PREFERRED ?
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@@ -495,11 +494,14 @@ drm_output_choose_mode(struct drm_output *output,
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enum weston_mode_aspect_ratio target_aspect = WESTON_MODE_PIC_AR_NONE;
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struct drm_backend *b;
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+#define WESTON_MODE_NAME(mode) \
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+ to_drm_mode(mode)->mode_info.name
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+
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b = to_drm_backend(output->base.compositor);
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target_aspect = target_mode->aspect_ratio;
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src_aspect = output->base.current_mode->aspect_ratio;
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- if (output->base.current_mode->width == target_mode->width &&
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- output->base.current_mode->height == target_mode->height &&
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+ if (!strcmp(WESTON_MODE_NAME(output->base.current_mode),
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+ WESTON_MODE_NAME(target_mode)) &&
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(output->base.current_mode->refresh == target_mode->refresh ||
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target_mode->refresh == 0)) {
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if (!b->aspect_ratio_supported || src_aspect == target_aspect)
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@@ -509,8 +511,8 @@ drm_output_choose_mode(struct drm_output *output,
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wl_list_for_each(mode, &output->base.mode_list, base.link) {
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src_aspect = mode->base.aspect_ratio;
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- if (mode->mode_info.hdisplay == target_mode->width &&
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- mode->mode_info.vdisplay == target_mode->height) {
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+ if (!strcmp(mode->mode_info.name,
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+ WESTON_MODE_NAME(target_mode))) {
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if (mode->base.refresh == target_mode->refresh ||
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target_mode->refresh == 0) {
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if (!b->aspect_ratio_supported ||
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@@ -584,6 +586,7 @@ drm_output_choose_initial_mode(struct drm_backend *backend,
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struct drm_mode *best = NULL;
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struct drm_mode *drm_mode;
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drmModeModeInfo drm_modeline;
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+ char name[16] = {0};
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int32_t width = 0;
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int32_t height = 0;
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uint32_t refresh = 0;
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@@ -593,7 +596,9 @@ drm_output_choose_initial_mode(struct drm_backend *backend,
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int n;
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if (mode == WESTON_DRM_BACKEND_OUTPUT_PREFERRED && modeline) {
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- n = sscanf(modeline, "%dx%d@%d %u:%u", &width, &height,
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+ sscanf(modeline, "%12[^@pP]", name);
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+
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+ n = sscanf(modeline, "%dx%d%*[^0-9]%d %u:%u", &width, &height,
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&refresh, &aspect_width, &aspect_height);
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if (backend->aspect_ratio_supported && n == 5) {
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if (aspect_width == 4 && aspect_height == 3)
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@@ -623,8 +628,7 @@ drm_output_choose_initial_mode(struct drm_backend *backend,
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}
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wl_list_for_each_reverse(drm_mode, &output->base.mode_list, base.link) {
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- if (width == drm_mode->mode_info.hdisplay &&
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- height == drm_mode->mode_info.vdisplay &&
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+ if (!strcmp(name, drm_mode->mode_info.name) &&
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(refresh == 0 || refresh == drm_mode->mode_info.vrefresh)) {
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if (!backend->aspect_ratio_supported ||
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aspect_ratio == drm_mode->base.aspect_ratio)
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--
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2.20.1
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