From fb58e06acd6c6bd59de2dbdadbca27eb1dd0025b Mon Sep 17 00:00:00 2001 From: Daniel Martin Date: Mon, 23 Oct 2017 10:31:21 +0200 Subject: modesetting: Use helper to fetch drmModeProperty(Blob)s Replace the various loops to lookup drmModeProperty(Blob)s by introducing helper functions. Signed-off-by: Daniel Martin (Ported from xserver commit f44935cdb7321af242ce9f242975f096807b97f7) Reviewed-by: Alex Deucher --- src/drmmode_display.c | 128 +++++++++++++++++++++++++++----------------------- 1 file changed, 70 insertions(+), 58 deletions(-) (limited to 'src') diff --git a/src/drmmode_display.c b/src/drmmode_display.c index db4f15c..98d2039 100644 --- a/src/drmmode_display.c +++ b/src/drmmode_display.c @@ -1402,6 +1402,51 @@ 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) { drmmode_output_private_ptr drmmode_output = output->driver_private; @@ -1409,29 +1454,16 @@ static DisplayModePtr drmmode_output_get_modes(xf86OutputPtr output) AMDGPUEntPtr pAMDGPUEnt = AMDGPUEntPriv(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(pAMDGPUEnt->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(pAMDGPUEnt->fd, - koutput->prop_values - [i]); - } - } - if (props) - drmModeFreeProperty(props); - } + drmmode_output->edid_blob = + koutput_get_prop_blob(pAMDGPUEnt->fd, koutput, "EDID"); if (drmmode_output->edid_blob) { mon = xf86InterpretEDID(output->scrn->scrnIndex, @@ -1875,7 +1907,6 @@ 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; @@ -1887,17 +1918,7 @@ 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(pAMDGPUEnt->fd, koutput->props[i]); - if (props && (props->flags & DRM_MODE_PROP_BLOB)) { - if (!strcmp(props->name, "PATH")) { - path_blob = drmModeGetPropertyBlob(pAMDGPUEnt->fd, koutput->prop_values[i]); - drmModeFreeProperty(props); - break; - } - } - drmModeFreeProperty(props); - } + path_blob = koutput_get_prop_blob(pAMDGPUEnt->fd, koutput, "PATH"); kencoders = calloc(sizeof(drmModeEncoderPtr), koutput->count_encoders); if (!kencoders) { @@ -1981,18 +2002,9 @@ 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(pAMDGPUEnt->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(pAMDGPUEnt->fd, koutput, DRM_MODE_PROP_ENUM, + "DPMS"); if (dynamic) { output->randr_output = RROutputCreate(xf86ScrnToScreen(pScrn), output->name, strlen(output->name), output); @@ -2693,7 +2705,7 @@ amdgpu_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) @@ -2704,22 +2716,22 @@ amdgpu_mode_hotplug(ScrnInfoPtr scrn, drmmode_ptr drmmode) * look for the link-status property */ koutput = drmModeGetConnectorCurrent(pAMDGPUEnt->fd, con_id); - for (j = 0; koutput && j < koutput->count_props; j++) { - drmModePropertyPtr props; - props = drmModeGetProperty(pAMDGPUEnt->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); - - 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); + if (!koutput) + continue; + + idx = koutput_get_prop_idx(pAMDGPUEnt->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); } -- cgit v1.2.3