From patchwork Fri Jul 8 18:31:57 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jesse Barnes X-Patchwork-Id: 957152 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by demeter1.kernel.org (8.14.4/8.14.4) with ESMTP id p68IWcpS018938 for ; Fri, 8 Jul 2011 18:32:59 GMT Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A31FFA02EA for ; Fri, 8 Jul 2011 11:32:37 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@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 18D6A9EE99 for ; Fri, 8 Jul 2011 11:32:01 -0700 (PDT) Received: (qmail 3677 invoked by uid 0); 8 Jul 2011 18:32:00 -0000 Received: from unknown (HELO box514.bluehost.com) (74.220.219.114) by oproxy1.bluehost.com with SMTP; 8 Jul 2011 18:32:00 -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=fdDP5IgwKQQNnuQ36CuSmsO61UAek4NknnAh8ynVZEV0YdpvZYenBVaagabIKOJ5mIEZtVRZ8Bqas8QnCdBRHcpaDf5KfYC6qTLX1eDBkVpbQ0qBDsLme+USoW59nItF; 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 1QfFqJ-0006gi-Sl; Fri, 08 Jul 2011 12:32:00 -0600 From: Jesse Barnes To: intel-gfx@lists.freedesktop.org Date: Fri, 8 Jul 2011 11:31:57 -0700 Message-Id: <1310149917-8400-1-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} Subject: [Intel-gfx] [PATCH] drm/i915/hdmi: send AVI info frames on ILK+ as well X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=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, 08 Jul 2011 18:32:59 +0000 (UTC) On Ironlake and above, we have per-transcoder DIP registers, so use them for sending DIPs like AVI infoframes on ILK and above. Signed-off-by: Jesse Barnes --- drivers/gpu/drm/i915/i915_reg.h | 14 +++++++++++++ drivers/gpu/drm/i915/intel_hdmi.c | 39 ++++++++++++++++++++++++++++++++++++- 2 files changed, 52 insertions(+), 1 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 4a446b1..b1ac087 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3023,6 +3023,20 @@ #define _TRANSA_DP_LINK_M2 0xe0048 #define _TRANSA_DP_LINK_N2 0xe004c +/* Per-transcoder DIP controls */ + +#define _VIDEO_DIP_CTL_A 0xe0200 +#define _VIDEO_DIP_DATA_A 0xe0208 +#define _VIDEO_DIP_GCP_A 0xe0210 + +#define _VIDEO_DIP_CTL_B 0xe1200 +#define _VIDEO_DIP_DATA_B 0xe1208 +#define _VIDEO_DIP_GCP_B 0xe1210 + +#define TVIDEO_DIP_CTL(pipe) _PIPE(pipe, _VIDEO_DIP_CTL_A, _VIDEO_DIP_CTL_B) +#define TVIDEO_DIP_DATA(pipe) _PIPE(pipe, _VIDEO_DIP_DATA_A, _VIDEO_DIP_DATA_B) +#define TVIDEO_DIP_GCP(pipe) _PIPE(pipe, _VIDEO_DIP_GCP_A, _VIDEO_DIP_GCP_B) + #define _TRANS_HTOTAL_B 0xe1000 #define _TRANS_HBLANK_B 0xe1004 #define _TRANS_HSYNC_B 0xe1008 diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index aa0a8e8..c220255 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -112,6 +112,40 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder) VIDEO_DIP_ENABLE_AVI); } +static void intel_ironlake_hdmi_set_avi_infoframe(struct drm_encoder *encoder) +{ + struct dip_infoframe avi_if = { + .type = DIP_TYPE_AVI, + .ver = DIP_VERSION_AVI, + .len = DIP_LEN_AVI, + }; + uint32_t *data = (uint32_t *)&avi_if; + struct drm_device *dev = encoder->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); + struct drm_crtc *crtc = encoder->crtc; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + int reg = TVIDEO_DIP_CTL(intel_crtc->pipe); + unsigned i; + + if (!intel_hdmi->has_hdmi_sink) + return; + + intel_wait_for_vblank(dev, intel_crtc->pipe); + + I915_WRITE(reg, VIDEO_DIP_SELECT_AVI); + + intel_dip_infoframe_csum(&avi_if); + for (i = 0; i < sizeof(avi_if); i += 4) { + I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data); + data++; + } + + I915_WRITE(reg, VIDEO_DIP_ENABLE | VIDEO_DIP_SELECT_AVI | + VIDEO_DIP_FREQ_VSYNC | (DIP_LEN_AVI << 8) | + VIDEO_DIP_ENABLE_AVI); +} + static void intel_hdmi_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) @@ -149,7 +183,10 @@ static void intel_hdmi_mode_set(struct drm_encoder *encoder, I915_WRITE(intel_hdmi->sdvox_reg, sdvox); POSTING_READ(intel_hdmi->sdvox_reg); - intel_hdmi_set_avi_infoframe(encoder); + if (HAS_PCH_SPLIT(dev)) + intel_ironlake_hdmi_set_avi_infoframe(encoder); + else + intel_hdmi_set_avi_infoframe(encoder); } static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode)