output/kms: Make drmModeEncoderPtr array local

It was only used within one function, where it was always created, but
still was kept around indefinitely for no reason. Lets get rid of it
from the MetaOutputKms struct.

https://gitlab.gnome.org/GNOME/mutter/issues/548
https://gitlab.gnome.org/GNOME/mutter/merge_requests/525
This commit is contained in:
Jonas Ådahl 2019-02-01 19:23:06 +01:00 committed by Georges Basile Stavracas Neto
parent 4d3e804391
commit 065bf752f4

View File

@ -41,10 +41,6 @@ typedef struct _MetaOutputKms
drmModeConnector *connector;
unsigned int n_encoders;
drmModeEncoderPtr *encoders;
drmModeEncoderPtr current_encoder;
/*
* Bitmasks of encoder position in the resources array (used during clone
* setup).
@ -409,14 +405,9 @@ static void
meta_output_destroy_notify (MetaOutput *output)
{
MetaOutputKms *output_kms;
unsigned i;
output_kms = output->driver_private;
for (i = 0; i < output_kms->n_encoders; i++)
drmModeFreeEncoder (output_kms->encoders[i]);
g_free (output_kms->encoders);
g_slice_free (MetaOutputKms, output_kms);
}
@ -568,6 +559,9 @@ meta_create_kms_output (MetaGpuKms *gpu_kms,
unsigned int crtc_mask;
int fd;
uint32_t id;
unsigned int n_encoders;
drmModeEncoderPtr *encoders;
drmModeEncoderPtr current_encoder = NULL;
output = g_object_new (META_TYPE_OUTPUT, NULL);
@ -624,16 +618,16 @@ meta_create_kms_output (MetaGpuKms *gpu_kms,
return NULL;
}
output_kms->n_encoders = connector->count_encoders;
output_kms->encoders = g_new0 (drmModeEncoderPtr, output_kms->n_encoders);
n_encoders = connector->count_encoders;
encoders = g_new0 (drmModeEncoderPtr, n_encoders);
fd = meta_gpu_kms_get_fd (gpu_kms);
crtc_mask = ~(unsigned int) 0;
for (i = 0; i < output_kms->n_encoders; i++)
for (i = 0; i < n_encoders; i++)
{
output_kms->encoders[i] = drmModeGetEncoder (fd, connector->encoders[i]);
if (!output_kms->encoders[i])
encoders[i] = drmModeGetEncoder (fd, connector->encoders[i]);
if (!encoders[i])
continue;
/* We only list CRTCs as supported if they are supported by all encoders
@ -641,10 +635,10 @@ meta_create_kms_output (MetaGpuKms *gpu_kms,
This is what xf86-video-modesetting does (see drmmode_output_init())
*/
crtc_mask &= output_kms->encoders[i]->possible_crtcs;
crtc_mask &= encoders[i]->possible_crtcs;
if (output_kms->encoders[i]->encoder_id == connector->encoder_id)
output_kms->current_encoder = output_kms->encoders[i];
if (encoders[i]->encoder_id == connector->encoder_id)
current_encoder = encoders[i];
}
crtcs = g_array_new (FALSE, FALSE, sizeof (MetaCrtc*));
@ -662,13 +656,13 @@ meta_create_kms_output (MetaGpuKms *gpu_kms,
output->n_possible_crtcs = crtcs->len;
output->possible_crtcs = (void*)g_array_free (crtcs, FALSE);
if (output_kms->current_encoder && output_kms->current_encoder->crtc_id != 0)
if (current_encoder && current_encoder->crtc_id != 0)
{
for (l = meta_gpu_get_crtcs (gpu); l; l = l->next)
{
MetaCrtc *crtc = l->data;
if (crtc->crtc_id == output_kms->current_encoder->crtc_id)
if (crtc->crtc_id == current_encoder->crtc_id)
{
meta_output_assign_crtc (output, crtc);
break;
@ -737,9 +731,9 @@ meta_create_kms_output (MetaGpuKms *gpu_kms,
output_kms->enc_clone_mask = 0xff;
output_kms->encoder_mask = 0;
for (i = 0; i < output_kms->n_encoders; i++)
for (i = 0; i < n_encoders; i++)
{
drmModeEncoder *output_encoder = output_kms->encoders[i];
drmModeEncoder *output_encoder = encoders[i];
unsigned int j;
for (j = 0; j < resources->n_encoders; j++)
@ -757,5 +751,9 @@ meta_create_kms_output (MetaGpuKms *gpu_kms,
output_kms->enc_clone_mask &= output_encoder->possible_clones;
}
for (i = 0; i < n_encoders; i++)
drmModeFreeEncoder (encoders[i]);
g_free (encoders);
return output;
}