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From:   Neil Armstrong <narmstrong@baylibre.com>
To:     daniel@ffwll.ch, dri-devel@lists.freedesktop.org
Cc:     ppaalanen@gmail.com, mjourdan@baylibre.com, brian.starkey@arm.com,
        Neil Armstrong <narmstrong@baylibre.com>,
        linux-amlogic@lists.infradead.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH v3 4/7] drm/meson: crtc: handle commit of Amlogic FBC frames
Date:   Tue, 24 Mar 2020 15:20:13 +0100
Message-Id: <20200324142016.31824-5-narmstrong@baylibre.com>
In-Reply-To: <20200324142016.31824-1-narmstrong@baylibre.com>
References: <20200324142016.31824-1-narmstrong@baylibre.com>
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Sender: linux-kernel-owner@vger.kernel.org
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Since the VD1 Amlogic FBC decoder is now configured by the overlay driver,
commit the right registers to decode the Amlogic FBC frame.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
 drivers/gpu/drm/meson/meson_crtc.c | 118 +++++++++++++++++++++--------
 1 file changed, 88 insertions(+), 30 deletions(-)

diff --git a/drivers/gpu/drm/meson/meson_crtc.c b/drivers/gpu/drm/meson/meson_crtc.c
index e66b6271ff58..d6dcfd654e9c 100644
--- a/drivers/gpu/drm/meson/meson_crtc.c
+++ b/drivers/gpu/drm/meson/meson_crtc.c
@@ -291,6 +291,10 @@ static void meson_crtc_enable_vd1(struct meson_drm *priv)
 			    VPP_VD1_PREBLEND | VPP_VD1_POSTBLEND |
 			    VPP_COLOR_MNG_ENABLE,
 			    priv->io_base + _REG(VPP_MISC));
+
+	writel_bits_relaxed(VIU_CTRL0_AFBC_TO_VD1,
+			    priv->viu.vd1_afbc ? VIU_CTRL0_AFBC_TO_VD1 : 0,
+			    priv->io_base + _REG(VIU_MISC_CTRL0));
 }
 
 static void meson_g12a_crtc_enable_vd1(struct meson_drm *priv)
@@ -300,6 +304,10 @@ static void meson_g12a_crtc_enable_vd1(struct meson_drm *priv)
 		       VD_BLEND_POSTBLD_SRC_VD1 |
 		       VD_BLEND_POSTBLD_PREMULT_EN,
 		       priv->io_base + _REG(VD1_BLEND_SRC_CTRL));
+
+	writel_relaxed(priv->viu.vd1_afbc ?
+		       (VD1_AXI_SEL_AFBC | AFBC_VD1_SEL) : 0,
+		       priv->io_base + _REG(VD1_AFBCD0_MISC_CTRL));
 }
 
 void meson_crtc_irq(struct meson_drm *priv)
@@ -383,36 +391,86 @@ void meson_crtc_irq(struct meson_drm *priv)
 	/* Update the VD1 registers */
 	if (priv->viu.vd1_enabled && priv->viu.vd1_commit) {
 
-		switch (priv->viu.vd1_planes) {
-		case 3:
-			meson_canvas_config(priv->canvas,
-					    priv->canvas_id_vd1_2,
-					    priv->viu.vd1_addr2,
-					    priv->viu.vd1_stride2,
-					    priv->viu.vd1_height2,
-					    MESON_CANVAS_WRAP_NONE,
-					    MESON_CANVAS_BLKMODE_LINEAR,
-					    MESON_CANVAS_ENDIAN_SWAP64);
-		/* fallthrough */
-		case 2:
-			meson_canvas_config(priv->canvas,
-					    priv->canvas_id_vd1_1,
-					    priv->viu.vd1_addr1,
-					    priv->viu.vd1_stride1,
-					    priv->viu.vd1_height1,
-					    MESON_CANVAS_WRAP_NONE,
-					    MESON_CANVAS_BLKMODE_LINEAR,
-					    MESON_CANVAS_ENDIAN_SWAP64);
-		/* fallthrough */
-		case 1:
-			meson_canvas_config(priv->canvas,
-					    priv->canvas_id_vd1_0,
-					    priv->viu.vd1_addr0,
-					    priv->viu.vd1_stride0,
-					    priv->viu.vd1_height0,
-					    MESON_CANVAS_WRAP_NONE,
-					    MESON_CANVAS_BLKMODE_LINEAR,
-					    MESON_CANVAS_ENDIAN_SWAP64);
+		if (priv->viu.vd1_afbc) {
+			writel_relaxed(priv->viu.vd1_afbc_head_addr,
+				       priv->io_base +
+				       _REG(AFBC_HEAD_BADDR));
+			writel_relaxed(priv->viu.vd1_afbc_body_addr,
+				       priv->io_base +
+				       _REG(AFBC_BODY_BADDR));
+			writel_relaxed(priv->viu.vd1_afbc_en,
+				       priv->io_base +
+				       _REG(AFBC_ENABLE));
+			writel_relaxed(priv->viu.vd1_afbc_mode,
+				       priv->io_base +
+				       _REG(AFBC_MODE));
+			writel_relaxed(priv->viu.vd1_afbc_size_in,
+				       priv->io_base +
+				       _REG(AFBC_SIZE_IN));
+			writel_relaxed(priv->viu.vd1_afbc_dec_def_color,
+				       priv->io_base +
+				       _REG(AFBC_DEC_DEF_COLOR));
+			writel_relaxed(priv->viu.vd1_afbc_conv_ctrl,
+				       priv->io_base +
+				       _REG(AFBC_CONV_CTRL));
+			writel_relaxed(priv->viu.vd1_afbc_size_out,
+				       priv->io_base +
+				       _REG(AFBC_SIZE_OUT));
+			writel_relaxed(priv->viu.vd1_afbc_vd_cfmt_ctrl,
+				       priv->io_base +
+				       _REG(AFBC_VD_CFMT_CTRL));
+			writel_relaxed(priv->viu.vd1_afbc_vd_cfmt_w,
+				       priv->io_base +
+				       _REG(AFBC_VD_CFMT_W));
+			writel_relaxed(priv->viu.vd1_afbc_mif_hor_scope,
+				       priv->io_base +
+				       _REG(AFBC_MIF_HOR_SCOPE));
+			writel_relaxed(priv->viu.vd1_afbc_mif_ver_scope,
+				       priv->io_base +
+				       _REG(AFBC_MIF_VER_SCOPE));
+			writel_relaxed(priv->viu.vd1_afbc_pixel_hor_scope,
+				       priv->io_base+
+				       _REG(AFBC_PIXEL_HOR_SCOPE));
+			writel_relaxed(priv->viu.vd1_afbc_pixel_ver_scope,
+				       priv->io_base +
+				       _REG(AFBC_PIXEL_VER_SCOPE));
+			writel_relaxed(priv->viu.vd1_afbc_vd_cfmt_h,
+				       priv->io_base +
+				       _REG(AFBC_VD_CFMT_H));
+		} else {
+			switch (priv->viu.vd1_planes) {
+			case 3:
+				meson_canvas_config(priv->canvas,
+						    priv->canvas_id_vd1_2,
+						    priv->viu.vd1_addr2,
+						    priv->viu.vd1_stride2,
+						    priv->viu.vd1_height2,
+						    MESON_CANVAS_WRAP_NONE,
+						    MESON_CANVAS_BLKMODE_LINEAR,
+						    MESON_CANVAS_ENDIAN_SWAP64);
+			/* fallthrough */
+			case 2:
+				meson_canvas_config(priv->canvas,
+						    priv->canvas_id_vd1_1,
+						    priv->viu.vd1_addr1,
+						    priv->viu.vd1_stride1,
+						    priv->viu.vd1_height1,
+						    MESON_CANVAS_WRAP_NONE,
+						    MESON_CANVAS_BLKMODE_LINEAR,
+						    MESON_CANVAS_ENDIAN_SWAP64);
+			/* fallthrough */
+			case 1:
+				meson_canvas_config(priv->canvas,
+						    priv->canvas_id_vd1_0,
+						    priv->viu.vd1_addr0,
+						    priv->viu.vd1_stride0,
+						    priv->viu.vd1_height0,
+						    MESON_CANVAS_WRAP_NONE,
+						    MESON_CANVAS_BLKMODE_LINEAR,
+						    MESON_CANVAS_ENDIAN_SWAP64);
+			}
+
+			writel_relaxed(0, priv->io_base + _REG(AFBC_ENABLE));
 		}
 
 		writel_relaxed(priv->viu.vd1_if0_gen_reg,
-- 
2.22.0