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path: root/hw/xfree86/drivers/modesetting/drmmode_display.c
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Diffstat (limited to 'hw/xfree86/drivers/modesetting/drmmode_display.c')
-rw-r--r--hw/xfree86/drivers/modesetting/drmmode_display.c97
1 files changed, 83 insertions, 14 deletions
diff --git a/hw/xfree86/drivers/modesetting/drmmode_display.c b/hw/xfree86/drivers/modesetting/drmmode_display.c
index 6a13660dd..4d8892fd5 100644
--- a/hw/xfree86/drivers/modesetting/drmmode_display.c
+++ b/hw/xfree86/drivers/modesetting/drmmode_display.c
@@ -52,6 +52,39 @@
static Bool drmmode_xf86crtc_resize(ScrnInfoPtr scrn, int width, int height);
+static Bool
+drmmode_zaphod_string_matches(ScrnInfoPtr scrn, const char *s, char *output_name)
+{
+ int i = 0;
+ char s1[20];
+
+ do {
+ switch(*s) {
+ case ',':
+ s1[i] = '\0';
+ i = 0;
+ if (strcmp(s1, output_name) == 0)
+ return TRUE;
+ break;
+ case ' ':
+ case '\t':
+ case '\n':
+ case '\r':
+ break;
+ default:
+ s1[i] = *s;
+ i++;
+ break;
+ }
+ } while(*s++);
+
+ s1[i] = '\0';
+ if (strcmp(s1, output_name) == 0)
+ return TRUE;
+
+ return FALSE;
+}
+
int
drmmode_bo_destroy(drmmode_ptr drmmode, drmmode_bo *bo)
{
@@ -788,15 +821,16 @@ drmmode_crtc_vblank_pipe(int crtc_id)
return 0;
}
-static void
+static unsigned int
drmmode_crtc_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_res, int num)
{
xf86CrtcPtr crtc;
drmmode_crtc_private_ptr drmmode_crtc;
+ modesettingEntPtr ms_ent = ms_ent_priv(pScrn);
crtc = xf86CrtcCreate(pScrn, &drmmode_crtc_funcs);
if (crtc == NULL)
- return;
+ return 0;
drmmode_crtc = xnfcalloc(sizeof(drmmode_crtc_private_rec), 1);
drmmode_crtc->mode_crtc =
@@ -804,6 +838,13 @@ drmmode_crtc_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_res
drmmode_crtc->drmmode = drmmode;
drmmode_crtc->vblank_pipe = drmmode_crtc_vblank_pipe(num);
crtc->driver_private = drmmode_crtc;
+
+ /* Mark num'th crtc as in use on this device. */
+ ms_ent->assigned_crtcs |= (1 << num);
+ xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, MS_LOGLEVEL_DEBUG,
+ "Allocated crtc nr. %d to this screen.\n", num);
+
+ return 1;
}
static xf86OutputStatus
@@ -1345,8 +1386,8 @@ drmmode_create_name(ScrnInfoPtr pScrn, drmModeConnectorPtr koutput, char *name,
snprintf(name, 32, "%s-%d", output_names[koutput->connector_type], koutput->connector_type_id - 1);
}
-static void
-drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_res, int num, Bool dynamic)
+static unsigned int
+drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_res, int num, Bool dynamic, int crtcshift)
{
xf86OutputPtr output;
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
@@ -1357,11 +1398,11 @@ drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_r
char name[32];
int i;
drmModePropertyBlobPtr path_blob = NULL;
-
+ const char *s;
koutput =
drmModeGetConnector(drmmode->fd, mode_res->connectors[num]);
if (!koutput)
- return;
+ return 0;
for (i = 0; i < koutput->count_props; i++) {
props = drmModeGetProperty(drmmode->fd, koutput->props[i]);
@@ -1392,7 +1433,7 @@ drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_r
drmmode_output = output->driver_private;
drmmode_output->output_id = mode_res->connectors[num];
drmmode_output->mode_output = koutput;
- return;
+ return 1;
}
}
@@ -1408,6 +1449,18 @@ drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_r
}
}
+ if (xf86IsEntityShared(pScrn->entityList[0])) {
+ if ((s = xf86GetOptValString(drmmode->Options, OPTION_ZAPHOD_HEADS))) {
+ if (!drmmode_zaphod_string_matches(pScrn, s, name))
+ goto out_free_encoders;
+ } else {
+ if (!drmmode->is_secondary && (num != 0))
+ goto out_free_encoders;
+ else if (drmmode->is_secondary && (num != 1))
+ goto out_free_encoders;
+ }
+ }
+
output = xf86OutputCreate(pScrn, &drmmode_output_funcs, name);
if (!output) {
goto out_free_encoders;
@@ -1433,7 +1486,7 @@ drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_r
output->possible_crtcs = 0x7f;
for (i = 0; i < koutput->count_encoders; i++) {
- output->possible_crtcs &= kencoders[i]->possible_crtcs;
+ output->possible_crtcs &= kencoders[i]->possible_crtcs >> crtcshift;
}
/* work out the possible clones later */
output->possible_clones = 0;
@@ -1452,7 +1505,8 @@ drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_r
if (dynamic)
output->randr_output = RROutputCreate(xf86ScrnToScreen(pScrn), output->name, strlen(output->name), output);
- return;
+ return 1;
+
out_free_encoders:
if (kencoders) {
for (i = 0; i < koutput->count_encoders; i++)
@@ -1461,6 +1515,7 @@ drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_r
}
drmModeFreeConnector(koutput);
+ return 0;
}
static uint32_t
@@ -1682,10 +1737,13 @@ static const xf86CrtcConfigFuncsRec drmmode_xf86crtc_config_funcs = {
Bool
drmmode_pre_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int cpp)
{
+ modesettingEntPtr ms_ent = ms_ent_priv(pScrn);
int i;
int ret;
uint64_t value = 0;
+ unsigned int crtcs_needed = 0;
drmModeResPtr mode_res;
+ int crtcshift;
/* check for dumb capability */
ret = drmGetCap(drmmode->fd, DRM_CAP_DUMB_BUFFER, &value);
@@ -1703,15 +1761,26 @@ drmmode_pre_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int cpp)
if (!mode_res)
return FALSE;
+ crtcshift = ffs(ms_ent->assigned_crtcs ^ 0xffffffff) - 1;
+ for (i = 0; i < mode_res->count_connectors; i++)
+ crtcs_needed += drmmode_output_init(pScrn, drmmode, mode_res, i, FALSE,
+ crtcshift);
+
+ xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, MS_LOGLEVEL_DEBUG,
+ "Up to %d crtcs needed for screen.\n", crtcs_needed);
+
xf86CrtcSetSizeRange(pScrn, 320, 200, mode_res->max_width,
mode_res->max_height);
for (i = 0; i < mode_res->count_crtcs; i++)
if (!xf86IsEntityShared(pScrn->entityList[0]) ||
- pScrn->confScreen->device->screen == i)
- drmmode_crtc_init(pScrn, drmmode, mode_res, i);
+ (crtcs_needed && !(ms_ent->assigned_crtcs & (1 << i))))
+ crtcs_needed -= drmmode_crtc_init(pScrn, drmmode, mode_res, i);
- for (i = 0; i < mode_res->count_connectors; i++)
- drmmode_output_init(pScrn, drmmode, mode_res, i, FALSE);
+ /* All ZaphodHeads outputs provided with matching crtcs? */
+ if (xf86IsEntityShared(pScrn->entityList[0]) && (crtcs_needed > 0))
+ xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
+ "%d ZaphodHeads crtcs unavailable. Some outputs will stay off.\n",
+ crtcs_needed);
/* workout clones */
drmmode_clones_init(pScrn, drmmode, mode_res);
@@ -1941,7 +2010,7 @@ drmmode_handle_uevents(int fd, void *closure)
continue;
changed = TRUE;
- drmmode_output_init(scrn, drmmode, mode_res, i, 1);
+ drmmode_output_init(scrn, drmmode, mode_res, i, TRUE, 0);
}
if (changed) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-24 23:15:39 +0000