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drm: Refactor some debug statements

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These have the same form, and we're about to add a few more with the same
form again, so make a helper function.

This sweeps up the one weird one that printed [view] while failing [state].

Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
This commit is contained in:
Derek Foreman 2025-11-07 09:50:20 -06:00
parent 87776413ba
commit 57ad320d86
1 changed files with 22 additions and 12 deletions
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34
libweston/backend-drm/state-propose.c
View file

@ -860,6 +860,23 @@ lower_solid_views_to_background_region(struct drm_output *output,
return true;
}
static void
debug_propose_fail(struct drm_output *output,
enum drm_output_propose_state_mode mode,
const char *reason)
{
struct drm_device *device = output->device;
struct drm_backend *b = device->backend;
const char *mode_str = drm_propose_state_mode_to_string(mode);
drm_debug(b, "\t\t[state] cannot propose %s "
"for output %s (%lu): %s\n",
mode_str,
output->base.name,
(unsigned long) output->base.id,
reason);
}
static struct drm_output_state *
drm_output_propose_state(struct weston_output *output_base,
struct drm_pending_state *pending_state,
@ -916,22 +933,16 @@ drm_output_propose_state(struct weston_output *output_base,
(scanout_fb->type != BUFFER_GBM_SURFACE &&
scanout_fb->type != BUFFER_PIXMAN_DUMB &&
scanout_fb->type != BUFFER_DMABUF_BACKEND)) {
drm_debug(b, "\t\t[state] cannot propose mixed mode: "
"for output %s (%lu): no previous renderer "
"fb\n",
output->base.name,
(unsigned long) output->base.id);
debug_propose_fail(output, mode,
"no previous renderer fb");
drm_output_state_free(state);
return NULL;
}
if (scanout_fb->width != output_base->current_mode->width ||
scanout_fb->height != output_base->current_mode->height) {
drm_debug(b, "\t\t[state] cannot propose mixed mode "
"for output %s (%lu): previous fb has "
"different size\n",
output->base.name,
(unsigned long) output->base.id);
debug_propose_fail(output, mode,
"previous fb has different size");
drm_output_state_free(state);
return NULL;
}
@ -1158,8 +1169,7 @@ drm_output_propose_state(struct weston_output *output_base,
/* Check to see if this state will actually work. */
ret = drm_pending_state_test(state->pending_state);
if (ret != 0) {
drm_debug(b, "\t\t[view] failing state generation: "
"atomic test not OK\n");
debug_propose_fail(output, mode, "atomic test not OK");
goto err;
}