From patchwork Fri Apr 15 20:48:57 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jesse Barnes X-Patchwork-Id: 711521 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p3FKnKsP029505 for ; Fri, 15 Apr 2011 20:49:41 GMT Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 91C379E83F for ; Fri, 15 Apr 2011 13:49:19 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from oproxy1-pub.bluehost.com (oproxy1-pub.bluehost.com [66.147.249.253]) by gabe.freedesktop.org (Postfix) with SMTP id 07DED9E758 for ; Fri, 15 Apr 2011 13:49:09 -0700 (PDT) Received: (qmail 4956 invoked by uid 0); 15 Apr 2011 20:49:09 -0000 Received: from unknown (HELO box514.bluehost.com) (74.220.219.114) by cpoproxy1.bluehost.com with SMTP; 15 Apr 2011 20:49:09 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=virtuousgeek.org; h=Received:From:To:Cc:Subject:Date:Message-Id:X-Mailer:X-Identified-User; b=Sq4ho/x7IIH/43x3Onl3u6qEafaRMfkt6EaocmFVA+6kTMQFrM/Xds4NPru0LQ3IFh8tzquwLMlfNUUnjpKSzq6DoyW8r1UcZqxN9U6wMPB1M0GLK5OhP4VTGfZU7tYO; Received: from c-67-161-37-189.hsd1.ca.comcast.net ([67.161.37.189] helo=localhost.localdomain) by box514.bluehost.com with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.69) (envelope-from ) id 1QApwt-0003nj-5f; Fri, 15 Apr 2011 14:49:03 -0600 From: Jesse Barnes To: dri-devel@lists.freedesktop.org Subject: [PATCH] drm: parse color format support for digital displays Date: Fri, 15 Apr 2011 13:48:57 -0700 Message-Id: <1302900537-9579-1-git-send-email-jbarnes@virtuousgeek.org> X-Mailer: git-send-email 1.7.4.1 X-Identified-User: {10642:box514.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 67.161.37.189 authed with jbarnes@virtuousgeek.org} X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Fri, 15 Apr 2011 20:49:41 +0000 (UTC) EDID 1.4 digital displays report the color spaces they support in the features block. Add support for grabbing this data and stuffing it into the display_info struct for driver use. Signed-off-by: Jesse Barnes --- drivers/gpu/drm/drm_edid.c | 6 ++++++ include/drm/drm_crtc.h | 5 ++++- include/drm/drm_edid.h | 8 ++++++++ 3 files changed, 18 insertions(+), 1 deletions(-) diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 3518e1e..0a9357c 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -1462,6 +1462,12 @@ static void drm_add_display_info(struct edid *edid, info->bpc = 0; break; } + + info->color_formats = DRM_COLOR_FORMAT_RGB444; + if (info->color_formats & DRM_EDID_FEATURE_RGB_YCRCB444) + info->color_formats = DRM_COLOR_FORMAT_YCRCB444; + if (info->color_formats & DRM_EDID_FEATURE_RGB_YCRCB422) + info->color_formats = DRM_COLOR_FORMAT_YCRCB422; } /** diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 4d8fbb0..b786a24 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -183,7 +183,9 @@ enum subpixel_order { SubPixelNone, }; - +#define DRM_COLOR_FORMAT_RGB444 (1<<0) +#define DRM_COLOR_FORMAT_YCRCB444 (1<<1) +#define DRM_COLOR_FORMAT_YCRCB422 (1<<2) /* * Describes a given display (e.g. CRT or flat panel) and its limitations. */ @@ -201,6 +203,7 @@ struct drm_display_info { unsigned int bpc; enum subpixel_order subpixel_order; + u32 color_formats; char *raw_edid; /* if any */ }; diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 9b9bf94..eacb415 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -175,7 +175,15 @@ struct detailed_timing { #define DRM_EDID_FEATURE_DEFAULT_GTF (1 << 0) #define DRM_EDID_FEATURE_PREFERRED_TIMING (1 << 1) #define DRM_EDID_FEATURE_STANDARD_COLOR (1 << 2) +/* If analog */ #define DRM_EDID_FEATURE_DISPLAY_TYPE (3 << 3) /* 00=mono, 01=rgb, 10=non-rgb, 11=unknown */ +/* If digital */ +#define DRM_EDID_FEATURE_COLOR_MASK (3 << 3) +#define DRM_EDID_FEATURE_RGB (0 << 3) +#define DRM_EDID_FEATURE_RGB_YCRCB444 (1 << 3) +#define DRM_EDID_FEATURE_RGB_YCRCB422 (2 << 3) +#define DRM_EDID_FEATURE_RGB_YCRCB (3 << 3) /* both 4:4:4 and 4:2:2 */ + #define DRM_EDID_FEATURE_PM_ACTIVE_OFF (1 << 5) #define DRM_EDID_FEATURE_PM_SUSPEND (1 << 6) #define DRM_EDID_FEATURE_PM_STANDBY (1 << 7)