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Content-Disposition: inline; filename="950-0428-Revert-defconfigs-disable-memory-and-IO-cgroups-2908.patch"
Last-Modified: Thu, 06 Feb 2025 07:35:31 GMT
Expires: Sun, 04 Feb 2035 07:35:31 GMT
ETag: "e68ebf20071bcc275ffbd3db0cfc2fb3f1803d8c"

From d4de8d2873994b22855d57ccdc21b52d2c7bbd7b Mon Sep 17 00:00:00 2001
From: P33M <p33m@github.com>
Date: Wed, 24 Apr 2019 14:25:41 +0100
Subject: [PATCH 428/806] Revert "defconfigs: disable memory and IO cgroups
 (#2908)"

This reverts commit 9881cdbf446081f71c62f39f4c56a21001baea73.
---
 arch/arm/configs/bcm2709_defconfig   | 4 ++++
 arch/arm/configs/bcmrpi_defconfig    | 4 ++++
 arch/arm64/configs/bcmrpi3_defconfig | 4 ++++
 3 files changed, 12 insertions(+)

--- a/arch/arm/configs/bcm2709_defconfig
+++ b/arch/arm/configs/bcm2709_defconfig
@@ -14,6 +14,8 @@ CONFIG_TASK_XACCT=y
 CONFIG_TASK_IO_ACCOUNTING=y
 CONFIG_IKCONFIG=m
 CONFIG_IKCONFIG_PROC=y
+CONFIG_MEMCG=y
+CONFIG_BLK_CGROUP=y
 CONFIG_CGROUP_FREEZER=y
 CONFIG_CPUSETS=y
 CONFIG_CGROUP_DEVICE=y
@@ -62,8 +64,10 @@ CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODVERSIONS=y
 CONFIG_MODULE_SRCVERSION_ALL=y
+CONFIG_BLK_DEV_THROTTLING=y
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_MAC_PARTITION=y
+CONFIG_CFQ_GROUP_IOSCHED=y
 CONFIG_BINFMT_MISC=m
 CONFIG_CLEANCACHE=y
 CONFIG_FRONTSWAP=y
--- a/arch/arm/configs/bcmrpi_defconfig
+++ b/arch/arm/configs/bcmrpi_defconfig
@@ -13,6 +13,8 @@ CONFIG_TASK_XACCT=y
 CONFIG_TASK_IO_ACCOUNTING=y
 CONFIG_IKCONFIG=m
 CONFIG_IKCONFIG_PROC=y
+CONFIG_MEMCG=y
+CONFIG_BLK_CGROUP=y
 CONFIG_CGROUP_FREEZER=y
 CONFIG_CGROUP_DEVICE=y
 CONFIG_CGROUP_CPUACCT=y
@@ -56,8 +58,10 @@ CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODVERSIONS=y
 CONFIG_MODULE_SRCVERSION_ALL=y
+CONFIG_BLK_DEV_THROTTLING=y
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_MAC_PARTITION=y
+CONFIG_CFQ_GROUP_IOSCHED=y
 CONFIG_BINFMT_MISC=m
 CONFIG_CLEANCACHE=y
 CONFIG_FRONTSWAP=y
--- a/arch/arm64/configs/bcmrpi3_defconfig
+++ b/arch/arm64/configs/bcmrpi3_defconfig
@@ -13,6 +13,8 @@ CONFIG_TASK_XACCT=y
 CONFIG_TASK_IO_ACCOUNTING=y
 CONFIG_IKCONFIG=m
 CONFIG_IKCONFIG_PROC=y
+CONFIG_MEMCG=y
+CONFIG_BLK_CGROUP=y
 CONFIG_CGROUP_FREEZER=y
 CONFIG_CPUSETS=y
 CONFIG_CGROUP_DEVICE=y
@@ -60,8 +62,10 @@ CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODVERSIONS=y
 CONFIG_MODULE_SRCVERSION_ALL=y
+CONFIG_BLK_DEV_THROTTLING=y
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_MAC_PARTITION=y
+CONFIG_CFQ_GROUP_IOSCHED=y
 CONFIG_BINFMT_MISC=y
 CONFIG_CLEANCACHE=y
 CONFIG_FRONTSWAP=y
ee/target/linux/brcm2708/patches-4.19/950-0606-drm-vc4-FKMS-reads-the-EDID-from-fw-and-supports-mod.patch?h=v21.02.6&amp;id=e5445333f62a6e13f9fb355efae31962e0abc324'>tree</a><a href='/cgit.cgi/openwrt/upstream/commit/target/linux/brcm2708/patches-4.19/950-0606-drm-vc4-FKMS-reads-the-EDID-from-fw-and-supports-mod.patch?h=v21.02.6&amp;id=e5445333f62a6e13f9fb355efae31962e0abc324'>commit</a><a href='/cgit.cgi/openwrt/upstream/diff/target/linux/brcm2708/patches-4.19/950-0606-drm-vc4-FKMS-reads-the-EDID-from-fw-and-supports-mod.patch?h=v21.02.6&amp;id=e5445333f62a6e13f9fb355efae31962e0abc324'>diff</a><a href='/cgit.cgi/openwrt/upstream/stats/target/linux/brcm2708/patches-4.19/950-0606-drm-vc4-FKMS-reads-the-EDID-from-fw-and-supports-mod.patch?h=v21.02.6'>stats</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/openwrt/upstream/log/target/linux/brcm2708/patches-4.19/950-0606-drm-vc4-FKMS-reads-the-EDID-from-fw-and-supports-mod.patch'>
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<div class='path'>path: <a href='/cgit.cgi/openwrt/upstream/tree/?h=v21.02.6&amp;id=e5445333f62a6e13f9fb355efae31962e0abc324'>root</a>/<a href='/cgit.cgi/openwrt/upstream/tree/target?h=v21.02.6&amp;id=e5445333f62a6e13f9fb355efae31962e0abc324'>target</a>/<a href='/cgit.cgi/openwrt/upstream/tree/target/linux?h=v21.02.6&amp;id=e5445333f62a6e13f9fb355efae31962e0abc324'>linux</a>/<a href='/cgit.cgi/openwrt/upstream/tree/target/linux/brcm2708?h=v21.02.6&amp;id=e5445333f62a6e13f9fb355efae31962e0abc324'>brcm2708</a>/<a href='/cgit.cgi/openwrt/upstream/tree/target/linux/brcm2708/patches-4.19?h=v21.02.6&amp;id=e5445333f62a6e13f9fb355efae31962e0abc324'>patches-4.19</a>/<a href='/cgit.cgi/openwrt/upstream/tree/target/linux/brcm2708/patches-4.19/950-0606-drm-vc4-FKMS-reads-the-EDID-from-fw-and-supports-mod.patch?h=v21.02.6&amp;id=e5445333f62a6e13f9fb355efae31962e0abc324'>950-0606-drm-vc4-FKMS-reads-the-EDID-from-fw-and-supports-mod.patch</a></div><div class='content'>blob: b56f97005dcff84458482219f337acc355c54178 (<a href='/cgit.cgi/openwrt/upstream/plain/target/linux/brcm2708/patches-4.19/950-0606-drm-vc4-FKMS-reads-the-EDID-from-fw-and-supports-mod.patch?h=v21.02.6&amp;id=e5445333f62a6e13f9fb355efae31962e0abc324'>plain</a>)
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</pre></td>
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.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */</style><div class="highlight"><pre><span></span>From 9536044338d9c341e805e288a58090c49a793638 Mon Sep 17 00:00:00 2001
From: Dave Stevenson &lt;dave.stevenson@raspberrypi.org&gt;
Date: Tue, 9 Apr 2019 18:23:41 +0100
Subject: [PATCH 606/806] drm: vc4: FKMS reads the EDID from fw, and supports
 mode setting

This extends FKMS to read the EDID from the display, and support
requesting a particular mode via KMS.

Signed-off-by: Dave Stevenson &lt;dave.stevenson@raspberrypi.org&gt;
<span class="gd">---</span>
 drivers/gpu/drm/vc4/vc4_firmware_kms.c     | 334 ++++++++++++++++++---
 include/soc/bcm2835/raspberrypi-firmware.h |   2 +
 2 files changed, 302 insertions(+), 34 deletions(-)

<span class="gd">--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c</span>
<span class="gi">+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c</span>
<span class="gu">@@ -88,11 +88,60 @@ struct mailbox_blank_display {</span>
 	u32 blank;
 };
 
<span class="gd">-struct mailbox_get_width_height {</span>
<span class="gi">+struct mailbox_get_edid {</span>
 	struct rpi_firmware_property_tag_header tag1;
<span class="gd">-	u32 display;</span>
<span class="gd">-	struct rpi_firmware_property_tag_header tag2;</span>
<span class="gd">-	u32 wh[2];</span>
<span class="gi">+	u32 block;</span>
<span class="gi">+	u32 display_number;</span>
<span class="gi">+	u8 edid[128];</span>
<span class="gi">+};</span>
<span class="gi">+</span>
<span class="gi">+struct set_timings {</span>
<span class="gi">+	u8 display;</span>
<span class="gi">+	u8 padding;</span>
<span class="gi">+	u16 video_id_code;</span>
<span class="gi">+</span>
<span class="gi">+	u32 clock;		/* in kHz */</span>
<span class="gi">+</span>
<span class="gi">+	u16 hdisplay;</span>
<span class="gi">+	u16 hsync_start;</span>
<span class="gi">+</span>
<span class="gi">+	u16 hsync_end;</span>
<span class="gi">+	u16 htotal;</span>
<span class="gi">+</span>
<span class="gi">+	u16 hskew;</span>
<span class="gi">+	u16 vdisplay;</span>
<span class="gi">+</span>
<span class="gi">+	u16 vsync_start;</span>
<span class="gi">+	u16 vsync_end;</span>
<span class="gi">+</span>
<span class="gi">+	u16 vtotal;</span>
<span class="gi">+	u16 vscan;</span>
<span class="gi">+</span>
<span class="gi">+	u16 vrefresh;</span>
<span class="gi">+	u16 padding2;</span>
<span class="gi">+</span>
<span class="gi">+	u32 flags;</span>
<span class="gi">+#define  TIMINGS_FLAGS_H_SYNC_POS	BIT(0)</span>
<span class="gi">+#define  TIMINGS_FLAGS_H_SYNC_NEG	0</span>
<span class="gi">+#define  TIMINGS_FLAGS_V_SYNC_POS	BIT(1)</span>
<span class="gi">+#define  TIMINGS_FLAGS_V_SYNC_NEG	0</span>
<span class="gi">+</span>
<span class="gi">+#define TIMINGS_FLAGS_ASPECT_MASK	GENMASK(7, 4)</span>
<span class="gi">+#define TIMINGS_FLAGS_ASPECT_NONE	(0 &lt;&lt; 4)</span>
<span class="gi">+#define TIMINGS_FLAGS_ASPECT_4_3	(1 &lt;&lt; 4)</span>
<span class="gi">+#define TIMINGS_FLAGS_ASPECT_16_9	(2 &lt;&lt; 4)</span>
<span class="gi">+#define TIMINGS_FLAGS_ASPECT_64_27	(3 &lt;&lt; 4)</span>
<span class="gi">+#define TIMINGS_FLAGS_ASPECT_256_135	(4 &lt;&lt; 4)</span>
<span class="gi">+</span>
<span class="gi">+/* Limited range RGB flag. Not set corresponds to full range. */</span>
<span class="gi">+#define TIMINGS_FLAGS_RGB_LIMITED	BIT(8)</span>
<span class="gi">+/* DVI monitor, therefore disable infoframes. Not set corresponds to HDMI. */</span>
<span class="gi">+#define TIMINGS_FLAGS_DVI		BIT(9)</span>
<span class="gi">+};</span>
<span class="gi">+</span>
<span class="gi">+struct mailbox_set_mode {</span>
<span class="gi">+	struct rpi_firmware_property_tag_header tag1;</span>
<span class="gi">+	struct set_timings timings;</span>
 };
 
 static const struct vc_image_format {
<span class="gu">@@ -186,6 +235,7 @@ struct vc4_crtc {</span>
 	u32 overscan[4];
 	bool vblank_enabled;
 	u32 display_number;
<span class="gi">+	u32 display_type;</span>
 };
 
 static inline struct vc4_crtc *to_vc4_crtc(struct drm_crtc *crtc)
<span class="gu">@@ -195,6 +245,8 @@ static inline struct vc4_crtc *to_vc4_cr</span>
 
 struct vc4_fkms_encoder {
 	struct drm_encoder base;
<span class="gi">+	bool hdmi_monitor;</span>
<span class="gi">+	bool rgb_range_selectable;</span>
 };
 
 static inline struct vc4_fkms_encoder *
<span class="gu">@@ -212,7 +264,9 @@ struct vc4_fkms_connector {</span>
 	 * hook.
 	 */
 	struct drm_encoder *encoder;
<span class="gd">-	u32 display_idx;</span>
<span class="gi">+	struct vc4_dev *vc4_dev;</span>
<span class="gi">+	u32 display_number;</span>
<span class="gi">+	u32 display_type;</span>
 };
 
 static inline struct vc4_fkms_connector *
<span class="gu">@@ -221,6 +275,26 @@ to_vc4_fkms_connector(struct drm_connect</span>
 	return container_of(connector, struct vc4_fkms_connector, base);
 }
 
<span class="gi">+static u32 vc4_get_display_type(u32 display_number)</span>
<span class="gi">+{</span>
<span class="gi">+	const u32 display_types[] = {</span>
<span class="gi">+		/* The firmware display (DispmanX) IDs map to specific types in</span>
<span class="gi">+		 * a fixed manner.</span>
<span class="gi">+		 */</span>
<span class="gi">+		DRM_MODE_ENCODER_DSI,	/* MAIN_LCD */</span>
<span class="gi">+		DRM_MODE_ENCODER_DSI,	/* AUX_LCD */</span>
<span class="gi">+		DRM_MODE_ENCODER_TMDS,	/* HDMI0 */</span>
<span class="gi">+		DRM_MODE_ENCODER_TVDAC,	/* VEC */</span>
<span class="gi">+		DRM_MODE_ENCODER_NONE,	/* FORCE_LCD */</span>
<span class="gi">+		DRM_MODE_ENCODER_NONE,	/* FORCE_TV */</span>
<span class="gi">+		DRM_MODE_ENCODER_NONE,	/* FORCE_OTHER */</span>
<span class="gi">+		DRM_MODE_ENCODER_TMDS,	/* HDMI1 */</span>
<span class="gi">+		DRM_MODE_ENCODER_NONE,	/* FORCE_TV2 */</span>
<span class="gi">+	};</span>
<span class="gi">+	return display_number &gt; ARRAY_SIZE(display_types) - 1 ?</span>
<span class="gi">+			DRM_MODE_ENCODER_NONE : display_types[display_number];</span>
<span class="gi">+}</span>
<span class="gi">+</span>
 /* Firmware&#39;s structure for making an FB mbox call. */
 struct fbinfo_s {
 	u32 xres, yres, xres_virtual, yres_virtual;
<span class="gu">@@ -255,10 +329,15 @@ static int vc4_plane_set_blank(struct dr</span>
 			.plane_id = vc4_plane-&gt;mb.plane.plane_id,
 		}
 	};
<span class="gi">+	static const char * const plane_types[] = {</span>
<span class="gi">+							&quot;overlay&quot;,</span>
<span class="gi">+							&quot;primary&quot;,</span>
<span class="gi">+							&quot;cursor&quot;</span>
<span class="gi">+						  };</span>
 	int ret;
 
<span class="gd">-	DRM_DEBUG_ATOMIC(&quot;[PLANE:%d:%s] overlay plane %s&quot;,</span>
<span class="gd">-			 plane-&gt;base.id, plane-&gt;name,</span>
<span class="gi">+	DRM_DEBUG_ATOMIC(&quot;[PLANE:%d:%s] %s plane %s&quot;,</span>
<span class="gi">+			 plane-&gt;base.id, plane-&gt;name, plane_types[plane-&gt;type],</span>
 			 blank ? &quot;blank&quot; : &quot;unblank&quot;);
 
 	if (blank)
<span class="gu">@@ -593,13 +672,102 @@ fail:</span>
 
 static void vc4_crtc_mode_set_nofb(struct drm_crtc *crtc)
 {
<span class="gd">-	/* Everyting is handled in the planes. */</span>
<span class="gi">+	struct drm_device *dev = crtc-&gt;dev;</span>
<span class="gi">+	struct vc4_dev *vc4 = to_vc4_dev(dev);</span>
<span class="gi">+	struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);</span>
<span class="gi">+	struct drm_display_mode *mode = &amp;crtc-&gt;state-&gt;adjusted_mode;</span>
<span class="gi">+	struct vc4_fkms_encoder *vc4_encoder =</span>
<span class="gi">+					to_vc4_fkms_encoder(vc4_crtc-&gt;encoder);</span>
<span class="gi">+	struct mailbox_set_mode mb = {</span>
<span class="gi">+		.tag1 = { RPI_FIRMWARE_SET_TIMING,</span>
<span class="gi">+			  sizeof(struct set_timings), 0},</span>
<span class="gi">+	};</span>
<span class="gi">+	union hdmi_infoframe frame;</span>
<span class="gi">+	int ret;</span>
<span class="gi">+</span>
<span class="gi">+	ret = drm_hdmi_avi_infoframe_from_display_mode(&amp;frame.avi, mode, false);</span>
<span class="gi">+	if (ret &lt; 0) {</span>
<span class="gi">+		DRM_ERROR(&quot;couldn&#39;t fill AVI infoframe\n&quot;);</span>
<span class="gi">+		return;</span>
<span class="gi">+	}</span>
<span class="gi">+</span>
<span class="gi">+	DRM_DEBUG_KMS(&quot;Setting mode for display num %u mode name %s, clk %d, h(disp %d, start %d, end %d, total %d, skew %d) v(disp %d, start %d, end %d, total %d, scan %d), vrefresh %d, par %u\n&quot;,</span>
<span class="gi">+		      vc4_crtc-&gt;display_number, mode-&gt;name, mode-&gt;clock,</span>
<span class="gi">+		      mode-&gt;hdisplay, mode-&gt;hsync_start, mode-&gt;hsync_end,</span>
<span class="gi">+		      mode-&gt;htotal, mode-&gt;hskew, mode-&gt;vdisplay,</span>
<span class="gi">+		      mode-&gt;vsync_start, mode-&gt;vsync_end, mode-&gt;vtotal,</span>
<span class="gi">+		      mode-&gt;vscan, mode-&gt;vrefresh, mode-&gt;picture_aspect_ratio);</span>
<span class="gi">+	mb.timings.display = vc4_crtc-&gt;display_number;</span>
<span class="gi">+</span>
<span class="gi">+	mb.timings.video_id_code = frame.avi.video_code;</span>
<span class="gi">+</span>
<span class="gi">+	mb.timings.clock = mode-&gt;clock;</span>
<span class="gi">+	mb.timings.hdisplay = mode-&gt;hdisplay;</span>
<span class="gi">+	mb.timings.hsync_start = mode-&gt;hsync_start;</span>
<span class="gi">+	mb.timings.hsync_end = mode-&gt;hsync_end;</span>
<span class="gi">+	mb.timings.htotal = mode-&gt;htotal;</span>
<span class="gi">+	mb.timings.hskew = mode-&gt;hskew;</span>
<span class="gi">+	mb.timings.vdisplay = mode-&gt;vdisplay;</span>
<span class="gi">+	mb.timings.vsync_start = mode-&gt;vsync_start;</span>
<span class="gi">+	mb.timings.vsync_end = mode-&gt;vsync_end;</span>
<span class="gi">+	mb.timings.vtotal = mode-&gt;vtotal;</span>
<span class="gi">+	mb.timings.vscan = mode-&gt;vscan;</span>
<span class="gi">+	mb.timings.vrefresh = 0;</span>
<span class="gi">+	mb.timings.flags = 0;</span>
<span class="gi">+	if (mode-&gt;flags &amp; DRM_MODE_FLAG_PHSYNC)</span>
<span class="gi">+		mb.timings.flags |= TIMINGS_FLAGS_H_SYNC_POS;</span>
<span class="gi">+	if (mode-&gt;flags &amp; DRM_MODE_FLAG_PVSYNC)</span>
<span class="gi">+		mb.timings.flags |= TIMINGS_FLAGS_V_SYNC_POS;</span>
<span class="gi">+</span>
<span class="gi">+	switch (frame.avi.picture_aspect) {</span>
<span class="gi">+	default:</span>
<span class="gi">+	case HDMI_PICTURE_ASPECT_NONE:</span>
<span class="gi">+		mode-&gt;flags |= TIMINGS_FLAGS_ASPECT_NONE;</span>
<span class="gi">+		break;</span>
<span class="gi">+	case HDMI_PICTURE_ASPECT_4_3:</span>
<span class="gi">+		mode-&gt;flags |= TIMINGS_FLAGS_ASPECT_4_3;</span>
<span class="gi">+		break;</span>
<span class="gi">+	case HDMI_PICTURE_ASPECT_16_9:</span>
<span class="gi">+		mode-&gt;flags |= TIMINGS_FLAGS_ASPECT_16_9;</span>
<span class="gi">+		break;</span>
<span class="gi">+	case HDMI_PICTURE_ASPECT_64_27:</span>
<span class="gi">+		mode-&gt;flags |= TIMINGS_FLAGS_ASPECT_64_27;</span>
<span class="gi">+		break;</span>
<span class="gi">+	case HDMI_PICTURE_ASPECT_256_135:</span>
<span class="gi">+		mode-&gt;flags |= TIMINGS_FLAGS_ASPECT_256_135;</span>
<span class="gi">+		break;</span>
<span class="gi">+	}</span>
<span class="gi">+</span>
<span class="gi">+	if (!vc4_encoder-&gt;hdmi_monitor)</span>
<span class="gi">+		mb.timings.flags |= TIMINGS_FLAGS_DVI;</span>
<span class="gi">+	else if (drm_default_rgb_quant_range(mode) ==</span>
<span class="gi">+					HDMI_QUANTIZATION_RANGE_LIMITED)</span>
<span class="gi">+		mb.timings.flags |= TIMINGS_FLAGS_RGB_LIMITED;</span>
<span class="gi">+</span>
<span class="gi">+	/*</span>
<span class="gi">+	FIXME: To implement</span>
<span class="gi">+	switch(mode-&gt;flag &amp; DRM_MODE_FLAG_3D_MASK) {</span>
<span class="gi">+	case DRM_MODE_FLAG_3D_NONE:</span>
<span class="gi">+	case DRM_MODE_FLAG_3D_FRAME_PACKING:</span>
<span class="gi">+	case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:</span>
<span class="gi">+	case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:</span>
<span class="gi">+	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:</span>
<span class="gi">+	case DRM_MODE_FLAG_3D_L_DEPTH:</span>
<span class="gi">+	case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:</span>
<span class="gi">+	case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:</span>
<span class="gi">+	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:</span>
<span class="gi">+	}</span>
<span class="gi">+	*/</span>
<span class="gi">+</span>
<span class="gi">+	ret = rpi_firmware_property_list(vc4-&gt;firmware, &amp;mb, sizeof(mb));</span>
 }
 
 static void vc4_crtc_disable(struct drm_crtc *crtc, struct drm_crtc_state *old_state)
 {
 	struct drm_plane *plane;
 
<span class="gi">+	DRM_DEBUG_KMS(&quot;[CRTC:%d] vblanks off.\n&quot;,</span>
<span class="gi">+		      crtc-&gt;base.id);</span>
 	drm_crtc_vblank_off(crtc);
 
 	/* Always turn the planes off on CRTC disable. In DRM, planes
<span class="gu">@@ -617,6 +785,8 @@ static void vc4_crtc_enable(struct drm_c</span>
 {
 	struct drm_plane *plane;
 
<span class="gi">+	DRM_DEBUG_KMS(&quot;[CRTC:%d] vblanks on.\n&quot;,</span>
<span class="gi">+		      crtc-&gt;base.id);</span>
 	drm_crtc_vblank_on(crtc);
 
 	/* Unblank the planes (if they&#39;re supposed to be displayed). */
<span class="gu">@@ -635,12 +805,20 @@ vc4_crtc_mode_valid(struct drm_crtc *crt</span>
 		return MODE_NO_DBLESCAN;
 	}
 
<span class="gi">+	/* Limit the pixel clock until we can get dynamic HDMI 2.0 scrambling</span>
<span class="gi">+	 * working.</span>
<span class="gi">+	 */</span>
<span class="gi">+	if (mode-&gt;clock &gt; 340000)</span>
<span class="gi">+		return MODE_CLOCK_HIGH;</span>
<span class="gi">+</span>
 	return MODE_OK;
 }
 
 static int vc4_crtc_atomic_check(struct drm_crtc *crtc,
 				 struct drm_crtc_state *state)
 {
<span class="gi">+	DRM_DEBUG_KMS(&quot;[CRTC:%d] crtc_atomic_check.\n&quot;,</span>
<span class="gi">+		      crtc-&gt;base.id);</span>
 	return 0;
 }
 
<span class="gu">@@ -650,6 +828,8 @@ static void vc4_crtc_atomic_flush(struct</span>
 	struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
 	struct drm_device *dev = crtc-&gt;dev;
 
<span class="gi">+	DRM_DEBUG_KMS(&quot;[CRTC:%d] crtc_atomic_flush.\n&quot;,</span>
<span class="gi">+		      crtc-&gt;base.id);</span>
 	if (crtc-&gt;state-&gt;event) {
 		unsigned long flags;
 
<span class="gu">@@ -717,6 +897,8 @@ static int vc4_fkms_enable_vblank(struct</span>
 {
 	struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
 
<span class="gi">+	DRM_DEBUG_KMS(&quot;[CRTC:%d] enable_vblank.\n&quot;,</span>
<span class="gi">+		      crtc-&gt;base.id);</span>
 	vc4_crtc-&gt;vblank_enabled = true;
 
 	return 0;
<span class="gu">@@ -726,6 +908,8 @@ static void vc4_fkms_disable_vblank(stru</span>
 {
 	struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
 
<span class="gi">+	DRM_DEBUG_KMS(&quot;[CRTC:%d] disable_vblank.\n&quot;,</span>
<span class="gi">+		      crtc-&gt;base.id);</span>
 	vc4_crtc-&gt;vblank_enabled = false;
 }
 
<span class="gu">@@ -760,36 +944,92 @@ static const struct of_device_id vc4_fir</span>
 static enum drm_connector_status
 vc4_fkms_connector_detect(struct drm_connector *connector, bool force)
 {
<span class="gi">+	DRM_DEBUG_KMS(&quot;connector detect.\n&quot;);</span>
 	return connector_status_connected;
 }
 
<span class="gd">-static int vc4_fkms_connector_get_modes(struct drm_connector *connector)</span>
<span class="gi">+static int vc4_fkms_get_edid_block(void *data, u8 *buf, unsigned int block,</span>
<span class="gi">+				   size_t len)</span>
 {
<span class="gd">-	struct drm_device *dev = connector-&gt;dev;</span>
 	struct vc4_fkms_connector *fkms_connector =
<span class="gd">-		to_vc4_fkms_connector(connector);</span>
<span class="gd">-	struct vc4_dev *vc4 = to_vc4_dev(dev);</span>
<span class="gd">-	struct drm_display_mode *mode;</span>
<span class="gd">-	struct mailbox_get_width_height wh = {</span>
<span class="gd">-		.tag1 = {RPI_FIRMWARE_FRAMEBUFFER_SET_DISPLAY_NUM, 4, 0, },</span>
<span class="gd">-		.display = fkms_connector-&gt;display_idx,</span>
<span class="gd">-		.tag2 = { RPI_FIRMWARE_FRAMEBUFFER_GET_PHYSICAL_WIDTH_HEIGHT,</span>
<span class="gd">-			  8, 0, },</span>
<span class="gi">+					(struct vc4_fkms_connector *)data;</span>
<span class="gi">+	struct vc4_dev *vc4 = fkms_connector-&gt;vc4_dev;</span>
<span class="gi">+	struct mailbox_get_edid mb = {</span>
<span class="gi">+		.tag1 = { RPI_FIRMWARE_GET_EDID_BLOCK_DISPLAY,</span>
<span class="gi">+			  128 + 8, 0 },</span>
<span class="gi">+		.block = block,</span>
<span class="gi">+		.display_number = fkms_connector-&gt;display_number,</span>
 	};
<span class="gd">-	int ret;</span>
<span class="gi">+	int ret = 0;</span>
<span class="gi">+</span>
<span class="gi">+	ret = rpi_firmware_property_list(vc4-&gt;firmware, &amp;mb, sizeof(mb));</span>
<span class="gi">+</span>
<span class="gi">+	if (!ret)</span>
<span class="gi">+		memcpy(buf, mb.edid, len);</span>
<span class="gi">+</span>
<span class="gi">+	return ret;</span>
<span class="gi">+}</span>
<span class="gi">+</span>
<span class="gi">+static int vc4_fkms_connector_get_modes(struct drm_connector *connector)</span>
<span class="gi">+{</span>
<span class="gi">+	struct vc4_fkms_connector *fkms_connector =</span>
<span class="gi">+					to_vc4_fkms_connector(connector);</span>
<span class="gi">+	struct drm_encoder *encoder = fkms_connector-&gt;encoder;</span>
<span class="gi">+	struct vc4_fkms_encoder *vc4_encoder = to_vc4_fkms_encoder(encoder);</span>
<span class="gi">+	int ret = 0;</span>
<span class="gi">+	struct edid *edid;</span>
<span class="gi">+</span>
<span class="gi">+	edid = drm_do_get_edid(connector, vc4_fkms_get_edid_block,</span>
<span class="gi">+			       fkms_connector);</span>
<span class="gi">+</span>
<span class="gi">+	/* FIXME: Can we do CEC?</span>
<span class="gi">+	 * cec_s_phys_addr_from_edid(vc4-&gt;hdmi-&gt;cec_adap, edid);</span>
<span class="gi">+	 * if (!edid)</span>
<span class="gi">+	 *	return -ENODEV;</span>
<span class="gi">+	 */</span>
<span class="gi">+</span>
<span class="gi">+	vc4_encoder-&gt;hdmi_monitor = drm_detect_hdmi_monitor(edid);</span>
 
<span class="gd">-	ret = rpi_firmware_property_list(vc4-&gt;firmware, &amp;wh, sizeof(wh));</span>
<span class="gi">+	if (edid &amp;&amp; edid-&gt;input &amp; DRM_EDID_INPUT_DIGITAL) {</span>
<span class="gi">+		vc4_encoder-&gt;rgb_range_selectable =</span>
<span class="gi">+			drm_rgb_quant_range_selectable(edid);</span>
<span class="gi">+	}</span>
<span class="gi">+</span>
<span class="gi">+	drm_connector_update_edid_property(connector, edid);</span>
<span class="gi">+	ret = drm_add_edid_modes(connector, edid);</span>
<span class="gi">+	kfree(edid);</span>
<span class="gi">+</span>
<span class="gi">+	return ret;</span>
<span class="gi">+}</span>
<span class="gi">+</span>
<span class="gi">+/* FIXME: Read LCD mode from the firmware. This is the DSI panel resolution. */</span>
<span class="gi">+static const struct drm_display_mode lcd_mode = {</span>
<span class="gi">+	DRM_MODE(&quot;800x480&quot;, DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,</span>
<span class="gi">+		 25979400 / 1000,</span>
<span class="gi">+		 800, 800 + 1, 800 + 1 + 2, 800 + 1 + 2 + 46, 0,</span>
<span class="gi">+		 480, 480 + 7, 480 + 7 + 2, 480 + 7 + 2 + 21, 0,</span>
<span class="gi">+		 DRM_MODE_FLAG_INTERLACE)</span>
<span class="gi">+};</span>
<span class="gi">+</span>
<span class="gi">+static int vc4_fkms_lcd_connector_get_modes(struct drm_connector *connector)</span>
<span class="gi">+{</span>
<span class="gi">+	//struct vc4_fkms_connector *fkms_connector =</span>
<span class="gi">+	//				to_vc4_fkms_connector(connector);</span>
<span class="gi">+	//struct drm_encoder *encoder = fkms_connector-&gt;encoder;</span>
<span class="gi">+	//struct vc4_fkms_encoder *vc4_encoder = to_vc4_fkms_encoder(encoder);</span>
<span class="gi">+	struct drm_display_mode *mode;</span>
<span class="gi">+	//int ret = 0;</span>
 
<span class="gd">-	if (ret) {</span>
<span class="gd">-		DRM_ERROR(&quot;Failed to get screen size: %d (0x%08x 0x%08x)\n&quot;,</span>
<span class="gd">-			  ret, wh.wh[0], wh.wh[1]);</span>
<span class="gd">-		return 0;</span>
<span class="gi">+	mode = drm_mode_duplicate(connector-&gt;dev,</span>
<span class="gi">+				  &amp;lcd_mode);</span>
<span class="gi">+	if (!mode) {</span>
<span class="gi">+		DRM_ERROR(&quot;Failed to create a new display mode\n&quot;);</span>
<span class="gi">+		return -ENOMEM;</span>
 	}
 
<span class="gd">-	mode = drm_cvt_mode(dev, wh.wh[0], wh.wh[1], 60 /* vrefresh */,</span>
<span class="gd">-			    0, 0, false);</span>
 	drm_mode_probed_add(connector, mode);
 
<span class="gi">+	/* We have one mode */</span>
 	return 1;
 }
 
<span class="gu">@@ -798,11 +1038,14 @@ vc4_fkms_connector_best_encoder(struct d</span>
 {
 	struct vc4_fkms_connector *fkms_connector =
 		to_vc4_fkms_connector(connector);
<span class="gi">+	DRM_DEBUG_KMS(&quot;best_connector.\n&quot;);</span>
 	return fkms_connector-&gt;encoder;
 }
 
 static void vc4_fkms_connector_destroy(struct drm_connector *connector)
 {
<span class="gi">+	DRM_DEBUG_KMS(&quot;[CONNECTOR:%d] destroy.\n&quot;,</span>
<span class="gi">+		      connector-&gt;base.id);</span>
 	drm_connector_unregister(connector);
 	drm_connector_cleanup(connector);
 }
<span class="gu">@@ -821,14 +1064,22 @@ static const struct drm_connector_helper</span>
 	.best_encoder = vc4_fkms_connector_best_encoder,
 };
 
<span class="gi">+static const struct drm_connector_helper_funcs vc4_fkms_lcd_conn_helper_funcs = {</span>
<span class="gi">+	.get_modes = vc4_fkms_lcd_connector_get_modes,</span>
<span class="gi">+	.best_encoder = vc4_fkms_connector_best_encoder,</span>
<span class="gi">+};</span>
<span class="gi">+</span>
 static struct drm_connector *
 vc4_fkms_connector_init(struct drm_device *dev, struct drm_encoder *encoder,
<span class="gd">-			u32 display_idx)</span>
<span class="gi">+			u32 display_num)</span>
 {
 	struct drm_connector *connector = NULL;
 	struct vc4_fkms_connector *fkms_connector;
<span class="gi">+	struct vc4_dev *vc4_dev = to_vc4_dev(dev);</span>
 	int ret = 0;
 
<span class="gi">+	DRM_DEBUG_KMS(&quot;connector_init, display_num %u\n&quot;, display_num);</span>
<span class="gi">+</span>
 	fkms_connector = devm_kzalloc(dev-&gt;dev, sizeof(*fkms_connector),
 				      GFP_KERNEL);
 	if (!fkms_connector) {
<span class="gu">@@ -838,11 +1089,21 @@ vc4_fkms_connector_init(struct drm_devic</span>
 	connector = &amp;fkms_connector-&gt;base;
 
 	fkms_connector-&gt;encoder = encoder;
<span class="gd">-	fkms_connector-&gt;display_idx = display_idx;</span>
<span class="gd">-</span>
<span class="gd">-	drm_connector_init(dev, connector, &amp;vc4_fkms_connector_funcs,</span>
<span class="gd">-			   DRM_MODE_CONNECTOR_HDMIA);</span>
<span class="gd">-	drm_connector_helper_add(connector, &amp;vc4_fkms_connector_helper_funcs);</span>
<span class="gi">+	fkms_connector-&gt;display_number = display_num;</span>
<span class="gi">+	fkms_connector-&gt;display_type = vc4_get_display_type(display_num);</span>
<span class="gi">+	fkms_connector-&gt;vc4_dev = vc4_dev;</span>
<span class="gi">+</span>
<span class="gi">+	if (fkms_connector-&gt;display_type == DRM_MODE_ENCODER_DSI) {</span>
<span class="gi">+		drm_connector_init(dev, connector, &amp;vc4_fkms_connector_funcs,</span>
<span class="gi">+				   DRM_MODE_CONNECTOR_DSI);</span>
<span class="gi">+		drm_connector_helper_add(connector,</span>
<span class="gi">+					 &amp;vc4_fkms_lcd_conn_helper_funcs);</span>
<span class="gi">+	} else {</span>
<span class="gi">+		drm_connector_init(dev, connector, &amp;vc4_fkms_connector_funcs,</span>
<span class="gi">+				   DRM_MODE_CONNECTOR_HDMIA);</span>
<span class="gi">+		drm_connector_helper_add(connector,</span>
<span class="gi">+					 &amp;vc4_fkms_connector_helper_funcs);</span>
<span class="gi">+	}</span>
 
 	connector-&gt;polled = (DRM_CONNECTOR_POLL_CONNECT |
 			     DRM_CONNECTOR_POLL_DISCONNECT);
<span class="gu">@@ -863,6 +1124,7 @@ vc4_fkms_connector_init(struct drm_devic</span>
 
 static void vc4_fkms_encoder_destroy(struct drm_encoder *encoder)
 {
<span class="gi">+	DRM_DEBUG_KMS(&quot;Encoder_destroy\n&quot;);</span>
 	drm_encoder_cleanup(encoder);
 }
 
<span class="gu">@@ -872,10 +1134,12 @@ static const struct drm_encoder_funcs vc</span>
 
 static void vc4_fkms_encoder_enable(struct drm_encoder *encoder)
 {
<span class="gi">+	DRM_DEBUG_KMS(&quot;Encoder_enable\n&quot;);</span>
 }
 
 static void vc4_fkms_encoder_disable(struct drm_encoder *encoder)
 {
<span class="gi">+	DRM_DEBUG_KMS(&quot;Encoder_disable\n&quot;);</span>
 }
 
 static const struct drm_encoder_helper_funcs vc4_fkms_encoder_helper_funcs = {
<span class="gu">@@ -907,6 +1171,7 @@ static int vc4_fkms_create_screen(struct</span>
 	crtc = &amp;vc4_crtc-&gt;base;
 
 	vc4_crtc-&gt;display_number = display_ref;
<span class="gi">+	vc4_crtc-&gt;display_type = vc4_get_display_type(display_ref);</span>
 
 	/* Blank the firmware provided framebuffer */
 	rpi_firmware_property_list(vc4-&gt;firmware, &amp;blank, sizeof(blank));
<span class="gu">@@ -950,13 +1215,14 @@ static int vc4_fkms_create_screen(struct</span>
 		return -ENOMEM;
 	vc4_crtc-&gt;encoder = &amp;vc4_encoder-&gt;base;
 	vc4_encoder-&gt;base.possible_crtcs |= drm_crtc_mask(crtc) ;
<span class="gi">+</span>
 	drm_encoder_init(drm, &amp;vc4_encoder-&gt;base, &amp;vc4_fkms_encoder_funcs,
<span class="gd">-			 DRM_MODE_ENCODER_TMDS, NULL);</span>
<span class="gi">+			 vc4_crtc-&gt;display_type, NULL);</span>
 	drm_encoder_helper_add(&amp;vc4_encoder-&gt;base,
 			       &amp;vc4_fkms_encoder_helper_funcs);
 
 	vc4_crtc-&gt;connector = vc4_fkms_connector_init(drm, &amp;vc4_encoder-&gt;base,
<span class="gd">-						      display_idx);</span>
<span class="gi">+						      display_ref);</span>
 	if (IS_ERR(vc4_crtc-&gt;connector)) {
 		ret = PTR_ERR(vc4_crtc-&gt;connector);
 		goto err_destroy_encoder;
<span class="gd">--- a/include/soc/bcm2835/raspberrypi-firmware.h</span>
<span class="gi">+++ b/include/soc/bcm2835/raspberrypi-firmware.h</span>
<span class="gu">@@ -78,6 +78,7 @@ enum rpi_firmware_property_tag {</span>
 	RPI_FIRMWARE_GET_DISPMANX_RESOURCE_MEM_HANDLE =       0x00030014,
 	RPI_FIRMWARE_GET_EDID_BLOCK =                         0x00030020,
 	RPI_FIRMWARE_GET_CUSTOMER_OTP =                       0x00030021,
<span class="gi">+	RPI_FIRMWARE_GET_EDID_BLOCK_DISPLAY =                 0x00030023,</span>
 	RPI_FIRMWARE_GET_DOMAIN_STATE =                       0x00030030,
 	RPI_FIRMWARE_GET_THROTTLED =                          0x00030046,
 	RPI_FIRMWARE_GET_CLOCK_MEASURED =                     0x00030047,
<span class="gu">@@ -150,6 +151,7 @@ enum rpi_firmware_property_tag {</span>
 	RPI_FIRMWARE_VCHIQ_INIT =                             0x00048010,
 
 	RPI_FIRMWARE_SET_PLANE =                              0x00048015,
<span class="gi">+	RPI_FIRMWARE_SET_TIMING =                             0x00048017,</span>
 
 	RPI_FIRMWARE_GET_COMMAND_LINE =                       0x00050001,
 	RPI_FIRMWARE_GET_DMA_CHANNELS =                       0x00060001,
</pre></div>
</code></pre></td></tr></table>
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