linux-kernel - [PATCH] drm/msm/mdp5:Add DMA pipe planes for MDP5

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Date:	Tue,  7 Jul 2015 17:17:28 -0400
From:	Jilai Wang <jilaiw@...eaurora.org>
To:	dri-devel@...ts.freedesktop.org
Cc:	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	robdclark@...il.com, Jilai Wang <jilaiw@...eaurora.org>
Subject: [PATCH] drm/msm/mdp5:Add DMA pipe planes for MDP5

This change is to add planes which use DMA pipes for MDP5.

Signed-off-by: Jilai Wang <jilaiw@...eaurora.org>
---
 drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
index cbda41d..f40896d 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
@@ -316,9 +316,12 @@ static int modeset_init(struct mdp5_kms *mdp5_kms)
 	static const enum mdp5_pipe crtcs[] = {
 			SSPP_RGB0, SSPP_RGB1, SSPP_RGB2, SSPP_RGB3,
 	};
-	static const enum mdp5_pipe pub_planes[] = {
+	static const enum mdp5_pipe vig_planes[] = {
 			SSPP_VIG0, SSPP_VIG1, SSPP_VIG2, SSPP_VIG3,
 	};
+	static const enum mdp5_pipe dma_planes[] = {
+			SSPP_DMA0, SSPP_DMA1,
+	};
 	struct drm_device *dev = mdp5_kms->dev;
 	struct msm_drm_private *priv = dev->dev_private;
 	const struct mdp5_cfg_hw *hw_cfg;
@@ -361,12 +364,26 @@ static int modeset_init(struct mdp5_kms *mdp5_kms)
 	for (i = 0; i < hw_cfg->pipe_vig.count; i++) {
 		struct drm_plane *plane;
 
-		plane = mdp5_plane_init(dev, pub_planes[i], false,
+		plane = mdp5_plane_init(dev, vig_planes[i], false,
 			hw_cfg->pipe_vig.base[i], hw_cfg->pipe_vig.caps);
 		if (IS_ERR(plane)) {
 			ret = PTR_ERR(plane);
 			dev_err(dev->dev, "failed to construct %s plane: %d\n",
-					pipe2name(pub_planes[i]), ret);
+					pipe2name(vig_planes[i]), ret);
+			goto fail;
+		}
+	}
+
+	/* DMA planes */
+	for (i = 0; i < hw_cfg->pipe_dma.count; i++) {
+		struct drm_plane *plane;
+
+		plane = mdp5_plane_init(dev, dma_planes[i], false,
+			hw_cfg->pipe_dma.base[i], hw_cfg->pipe_dma.caps);
+		if (IS_ERR(plane)) {
+			ret = PTR_ERR(plane);
+			dev_err(dev->dev, "failed to construct %s plane: %d\n",
+					pipe2name(dma_planes[i]), ret);
 			goto fail;
 		}
 	}
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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