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Merge pull request #1435 from emersion/duplicate-custom-modes

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backend/drm: don't insert duplicate custom modes, fix refresh rate
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emersion 2018-12-16 18:23:36 +01:00 committed by GitHub
commit c4c1d63a0c
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 11 additions and 4 deletions
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11
backend/drm/drm.c
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@ -550,11 +550,18 @@ bool wlr_drm_connector_add_mode(struct wlr_output *output,
const drmModeModeInfo *modeinfo) {
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
assert(modeinfo);
if (modeinfo->type != DRM_MODE_TYPE_USERDEF) {
return false;
}
struct wlr_output_mode *wlr_mode;
wl_list_for_each(wlr_mode, &conn->output.modes, link) {
struct wlr_drm_mode *mode = (struct wlr_drm_mode *)wlr_mode;
if (memcmp(&mode->drm_mode, modeinfo, sizeof(*modeinfo)) == 0) {
return true;
}
}
struct wlr_drm_mode *mode = calloc(1, sizeof(*mode));
if (!mode) {
return false;
@ -563,7 +570,7 @@ bool wlr_drm_connector_add_mode(struct wlr_output *output,
mode->wlr_mode.width = mode->drm_mode.hdisplay;
mode->wlr_mode.height = mode->drm_mode.vdisplay;
mode->wlr_mode.refresh = mode->drm_mode.vrefresh;
mode->wlr_mode.refresh = calculate_refresh_rate(modeinfo);
wlr_log(WLR_INFO, "Registered custom mode "
"%"PRId32"x%"PRId32"@%"PRId32,

2
backend/drm/util.c
View file

@ -6,7 +6,7 @@
#include <wlr/util/log.h>
#include "backend/drm/util.h"
int32_t calculate_refresh_rate(drmModeModeInfo *mode) {
int32_t calculate_refresh_rate(const drmModeModeInfo *mode) {
int32_t refresh = (mode->clock * 1000000LL / mode->htotal +
mode->vtotal / 2) / mode->vtotal;

2
include/backend/drm/util.h
View file

@ -7,7 +7,7 @@
#include <xf86drmMode.h>
// Calculates a more accurate refresh rate (mHz) than what mode itself provides
int32_t calculate_refresh_rate(drmModeModeInfo *mode);
int32_t calculate_refresh_rate(const drmModeModeInfo *mode);
// Populates the make/model/phys_{width,height} of output from the edid data
void parse_edid(struct wlr_output *restrict output, size_t len,
const uint8_t *data);