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modesetting: Use helper to fetch drmModeProperty(Blob)s

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Replace the various loops to lookup drmModeProperty(Blob)s by
introducing helper functions.

Signed-off-by: Daniel Martin <consume.noise@gmail.com>

(Ported from amdgpu commit fb58e06acd6c6bd59de2dbdadbca27eb1dd0025b)
This commit is contained in:
Daniel Martin
2018-03-02 12:08:09 +01:00
committed by Michel Dänzer
parent ace1e3871c
commit 1ef12a92ca
1 changed files with 69 additions and 52 deletions
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121
src/drmmode_display.c
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@@ -1449,6 +1449,51 @@ drmmode_output_mode_valid(xf86OutputPtr output, DisplayModePtr pModes)
return MODE_OK;
}
static int
koutput_get_prop_idx(int fd, drmModeConnectorPtr koutput,
int type, const char *name)
{
int idx = -1;
for (int i = 0; i < koutput->count_props; i++) {
drmModePropertyPtr prop = drmModeGetProperty(fd, koutput->props[i]);
if (!prop)
continue;
if (drm_property_type_is(prop, type) && !strcmp(prop->name, name))
idx = i;
drmModeFreeProperty(prop);
if (idx > -1)
break;
}
return idx;
}
static int
koutput_get_prop_id(int fd, drmModeConnectorPtr koutput,
int type, const char *name)
{
int idx = koutput_get_prop_idx(fd, koutput, type, name);
return (idx > -1) ? koutput->props[idx] : -1;
}
static drmModePropertyBlobPtr
koutput_get_prop_blob(int fd, drmModeConnectorPtr koutput, const char *name)
{
drmModePropertyBlobPtr blob = NULL;
int idx = koutput_get_prop_idx(fd, koutput, DRM_MODE_PROP_BLOB, name);
if (idx > -1)
blob = drmModeGetPropertyBlob(fd, koutput->prop_values[idx]);
return blob;
}
static DisplayModePtr
drmmode_output_get_modes(xf86OutputPtr output)
{
@@ -1457,25 +1502,16 @@ drmmode_output_get_modes(xf86OutputPtr output)
RADEONEntPtr pRADEONEnt = RADEONEntPriv(output->scrn);
int i;
DisplayModePtr Modes = NULL, Mode;
drmModePropertyPtr props;
xf86MonPtr mon = NULL;
if (!koutput)
return NULL;
drmModeFreePropertyBlob(drmmode_output->edid_blob);
/* look for an EDID property */
for (i = 0; i < koutput->count_props; i++) {
props = drmModeGetProperty(pRADEONEnt->fd, koutput->props[i]);
if (props && (props->flags & DRM_MODE_PROP_BLOB)) {
if (!strcmp(props->name, "EDID")) {
if (drmmode_output->edid_blob)
drmModeFreePropertyBlob(drmmode_output->edid_blob);
drmmode_output->edid_blob = drmModeGetPropertyBlob(pRADEONEnt->fd, koutput->prop_values[i]);
}
}
if (props)
drmModeFreeProperty(props);
}
drmmode_output->edid_blob =
koutput_get_prop_blob(pRADEONEnt->fd, koutput, "EDID");
if (drmmode_output->edid_blob) {
mon = xf86InterpretEDID(output->scrn->scrnIndex,
@@ -1896,7 +1932,6 @@ drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_r
drmModeConnectorPtr koutput;
drmModeEncoderPtr *kencoders = NULL;
drmmode_output_private_ptr drmmode_output;
drmModePropertyPtr props;
drmModePropertyBlobPtr path_blob = NULL;
char name[32];
int i;
@@ -1906,17 +1941,7 @@ drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_r
if (!koutput)
return 0;
for (i = 0; i < koutput->count_props; i++) {
props = drmModeGetProperty(pRADEONEnt->fd, koutput->props[i]);
if (props && (props->flags & DRM_MODE_PROP_BLOB)) {
if (!strcmp(props->name, "PATH")) {
path_blob = drmModeGetPropertyBlob(pRADEONEnt->fd, koutput->prop_values[i]);
drmModeFreeProperty(props);
break;
}
}
drmModeFreeProperty(props);
}
path_blob = koutput_get_prop_blob(pRADEONEnt->fd, koutput, "PATH");
kencoders = calloc(sizeof(drmModeEncoderPtr), koutput->count_encoders);
if (!kencoders) {
@@ -1996,17 +2021,9 @@ drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_r
/* work out the possible clones later */
output->possible_clones = 0;
for (i = 0; i < koutput->count_props; i++) {
props = drmModeGetProperty(pRADEONEnt->fd, koutput->props[i]);
if (props && (props->flags & DRM_MODE_PROP_ENUM)) {
if (!strcmp(props->name, "DPMS")) {
drmmode_output->dpms_enum_id = koutput->props[i];
drmModeFreeProperty(props);
break;
}
}
drmModeFreeProperty(props);
}
drmmode_output->dpms_enum_id =
koutput_get_prop_id(pRADEONEnt->fd, koutput, DRM_MODE_PROP_ENUM,
"DPMS");
if (dynamic) {
output->randr_output = RROutputCreate(xf86ScrnToScreen(pScrn), output->name, strlen(output->name), output);
@@ -2889,7 +2906,7 @@ radeon_mode_hotplug(ScrnInfoPtr scrn, drmmode_ptr drmmode)
xf86OutputPtr output = config->output[i];
xf86CrtcPtr crtc = output->crtc;
drmmode_output_private_ptr drmmode_output = output->driver_private;
uint32_t con_id;
uint32_t con_id, idx;
drmModeConnectorPtr koutput;
if (!crtc || !drmmode_output->mode_output)
@@ -2900,22 +2917,22 @@ radeon_mode_hotplug(ScrnInfoPtr scrn, drmmode_ptr drmmode)
* look for the link-status property
*/
koutput = drmModeGetConnectorCurrent(pRADEONEnt->fd, con_id);
for (j = 0; koutput && j < koutput->count_props; j++) {
drmModePropertyPtr props;
props = drmModeGetProperty(pRADEONEnt->fd, koutput->props[j]);
if (props && props->flags & DRM_MODE_PROP_ENUM &&
!strcmp(props->name, "link-status") &&
koutput->prop_values[j] == DRM_MODE_LINK_STATUS_BAD) {
/* the connector got a link failure, re-set the current mode */
drmmode_set_mode_major(crtc, &crtc->mode, crtc->rotation,
crtc->x, crtc->y);
if (!koutput)
continue;
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"hotplug event: connector %u's link-state is BAD, "
"tried resetting the current mode. You may be left "
"with a black screen if this fails...\n", con_id);
}
drmModeFreeProperty(props);
idx = koutput_get_prop_idx(pRADEONEnt->fd, koutput,
DRM_MODE_PROP_ENUM, "link-status");
if ((idx > -1) &&
(koutput->prop_values[idx] == DRM_MODE_LINK_STATUS_BAD)) {
/* the connector got a link failure, re-set the current mode */
drmmode_set_mode_major(crtc, &crtc->mode, crtc->rotation,
crtc->x, crtc->y);
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"hotplug event: connector %u's link-state is BAD, "
"tried resetting the current mode. You may be left"
"with a black screen if this fails...\n", con_id);
}
drmModeFreeConnector(koutput);
}