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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-24 23:06:40 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-24 23:06:40 +0400
commit98b98d316349e9a028e632629fe813d07fa5afdd (patch)
treecaaf6a662a86c5e2a418f0929ca05f0748803ac5 /drivers/gpu/drm/drm_modes.c
parent0d66cba1ac3ad38614077443d604d6a09cec99de (diff)
parent931474c4c30633400ff0dff8fb452ae20e01d067 (diff)
downloadlinux-98b98d316349e9a028e632629fe813d07fa5afdd.tar.xz
Merge branch 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (169 commits) drivers/gpu/drm/radeon/atom.c: fix warning drm/radeon/kms: bump kms version number drm/radeon/kms: properly set num banks for fusion asics drm/radeon/kms/atom: move dig phy init out of modesetting drm/radeon/kms/cayman: fix typo in register mask drm/radeon/kms: fix typo in spread spectrum code drm/radeon/kms: fix tile_config value reported to userspace on cayman. drm/radeon/kms: fix incorrect comparison in cayman setup code. drm/radeon/kms: add wait idle ioctl for eg->cayman drm/radeon/cayman: setup hdp to invalidate and flush when asked drm/radeon/evergreen/btc/fusion: setup hdp to invalidate and flush when asked agp/uninorth: Fix lockups with radeon KMS and >1x. drm/radeon/kms: the SS_Id field in the LCD table if for LVDS only drm/radeon/kms: properly set the CLK_REF bit for DCE3 devices drm/radeon/kms: fixup eDP connector handling drm/radeon/kms: bail early for eDP in hotplug callback drm/radeon/kms: simplify hotplug handler logic drm/radeon/kms: rewrite DP handling drm/radeon/kms/atom: add support for setting DP panel mode drm/radeon/kms: atombios.h updates for DP panel mode ...
Diffstat (limited to 'drivers/gpu/drm/drm_modes.c')
-rw-r--r--drivers/gpu/drm/drm_modes.c156
1 files changed, 156 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 25bf87390f53..c2d32f20e2fb 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -974,3 +974,159 @@ void drm_mode_connector_list_update(struct drm_connector *connector)
}
}
EXPORT_SYMBOL(drm_mode_connector_list_update);
+
+/**
+ * drm_mode_parse_command_line_for_connector - parse command line for connector
+ * @mode_option - per connector mode option
+ * @connector - connector to parse line for
+ *
+ * This parses the connector specific then generic command lines for
+ * modes and options to configure the connector.
+ *
+ * This uses the same parameters as the fb modedb.c, except for extra
+ * <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][m][eDd]
+ *
+ * enable/enable Digital/disable bit at the end
+ */
+bool drm_mode_parse_command_line_for_connector(const char *mode_option,
+ struct drm_connector *connector,
+ struct drm_cmdline_mode *mode)
+{
+ const char *name;
+ unsigned int namelen;
+ int res_specified = 0, bpp_specified = 0, refresh_specified = 0;
+ unsigned int xres = 0, yres = 0, bpp = 32, refresh = 0;
+ int yres_specified = 0, cvt = 0, rb = 0, interlace = 0, margins = 0;
+ int i;
+ enum drm_connector_force force = DRM_FORCE_UNSPECIFIED;
+
+#ifdef CONFIG_FB
+ if (!mode_option)
+ mode_option = fb_mode_option;
+#endif
+
+ if (!mode_option) {
+ mode->specified = false;
+ return false;
+ }
+
+ name = mode_option;
+ namelen = strlen(name);
+ for (i = namelen-1; i >= 0; i--) {
+ switch (name[i]) {
+ case '@':
+ namelen = i;
+ if (!refresh_specified && !bpp_specified &&
+ !yres_specified) {
+ refresh = simple_strtol(&name[i+1], NULL, 10);
+ refresh_specified = 1;
+ if (cvt || rb)
+ cvt = 0;
+ } else
+ goto done;
+ break;
+ case '-':
+ namelen = i;
+ if (!bpp_specified && !yres_specified) {
+ bpp = simple_strtol(&name[i+1], NULL, 10);
+ bpp_specified = 1;
+ if (cvt || rb)
+ cvt = 0;
+ } else
+ goto done;
+ break;
+ case 'x':
+ if (!yres_specified) {
+ yres = simple_strtol(&name[i+1], NULL, 10);
+ yres_specified = 1;
+ } else
+ goto done;
+ case '0' ... '9':
+ break;
+ case 'M':
+ if (!yres_specified)
+ cvt = 1;
+ break;
+ case 'R':
+ if (cvt)
+ rb = 1;
+ break;
+ case 'm':
+ if (!cvt)
+ margins = 1;
+ break;
+ case 'i':
+ if (!cvt)
+ interlace = 1;
+ break;
+ case 'e':
+ force = DRM_FORCE_ON;
+ break;
+ case 'D':
+ if ((connector->connector_type != DRM_MODE_CONNECTOR_DVII) &&
+ (connector->connector_type != DRM_MODE_CONNECTOR_HDMIB))
+ force = DRM_FORCE_ON;
+ else
+ force = DRM_FORCE_ON_DIGITAL;
+ break;
+ case 'd':
+ force = DRM_FORCE_OFF;
+ break;
+ default:
+ goto done;
+ }
+ }
+ if (i < 0 && yres_specified) {
+ xres = simple_strtol(name, NULL, 10);
+ res_specified = 1;
+ }
+done:
+ if (res_specified) {
+ mode->specified = true;
+ mode->xres = xres;
+ mode->yres = yres;
+ }
+
+ if (refresh_specified) {
+ mode->refresh_specified = true;
+ mode->refresh = refresh;
+ }
+
+ if (bpp_specified) {
+ mode->bpp_specified = true;
+ mode->bpp = bpp;
+ }
+ mode->rb = rb ? true : false;
+ mode->cvt = cvt ? true : false;
+ mode->interlace = interlace ? true : false;
+ mode->force = force;
+
+ return true;
+}
+EXPORT_SYMBOL(drm_mode_parse_command_line_for_connector);
+
+struct drm_display_mode *
+drm_mode_create_from_cmdline_mode(struct drm_device *dev,
+ struct drm_cmdline_mode *cmd)
+{
+ struct drm_display_mode *mode;
+
+ if (cmd->cvt)
+ mode = drm_cvt_mode(dev,
+ cmd->xres, cmd->yres,
+ cmd->refresh_specified ? cmd->refresh : 60,
+ cmd->rb, cmd->interlace,
+ cmd->margins);
+ else
+ mode = drm_gtf_mode(dev,
+ cmd->xres, cmd->yres,
+ cmd->refresh_specified ? cmd->refresh : 60,
+ cmd->interlace,
+ cmd->margins);
+ if (!mode)
+ return NULL;
+
+ drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
+ return mode;
+}
+EXPORT_SYMBOL(drm_mode_create_from_cmdline_mode);