bcm27xx: sync 5.4 patches with RPi Foundation

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 103 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0241-drm-vc4-Set-the-display-number-when-querying-the-dis.patch b/target/linux/bcm27xx/patches-5.4/950-0241-drm-vc4-Set-the-display-number-when-querying-the-dis.patch
new file mode 100644
index 0000000000..7b8efc7e73
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0241-drm-vc4-Set-the-display-number-when-querying-the-dis.patch
@@ -0,0 +1,103 @@
+From d72d6e2388c082ef48d776105ebb285c2d470fa6 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Tue, 9 Apr 2019 14:00:07 +0100
+Subject: [PATCH] drm/vc4: Set the display number when querying the
+ display resolution
+
+Without this the two displays got set to the same resolution.
+(Requires a firmware bug fix to work).
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ drivers/gpu/drm/vc4/vc4_firmware_kms.c | 37 +++++++++++++++++++-------
+ 1 file changed, 27 insertions(+), 10 deletions(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
++++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+@@ -77,6 +77,13 @@ struct mailbox_blank_display {
+ 	u32 blank;
+ };
+ 
++struct mailbox_get_width_height {
++	struct rpi_firmware_property_tag_header tag1;
++	u32 display;
++	struct rpi_firmware_property_tag_header tag2;
++	u32 wh[2];
++};
++
+ static const struct vc_image_format {
+ 	u32 drm;	/* DRM_FORMAT_* */
+ 	u32 vc_image;	/* VC_IMAGE_* */
+@@ -194,6 +201,7 @@ struct vc4_fkms_connector {
+ 	 * hook.
+ 	 */
+ 	struct drm_encoder *encoder;
++	u32 display_idx;
+ };
+ 
+ static inline struct vc4_fkms_connector *
+@@ -724,21 +732,27 @@ vc4_fkms_connector_detect(struct drm_con
+ static int vc4_fkms_connector_get_modes(struct drm_connector *connector)
+ {
+ 	struct drm_device *dev = connector->dev;
++	struct vc4_fkms_connector *fkms_connector =
++		to_vc4_fkms_connector(connector);
+ 	struct vc4_dev *vc4 = to_vc4_dev(dev);
+-	u32 wh[2] = {0, 0};
+-	int ret;
+ 	struct drm_display_mode *mode;
++	struct mailbox_get_width_height wh = {
++		.tag1 = {RPI_FIRMWARE_FRAMEBUFFER_SET_DISPLAY_NUM, 4, 0, },
++		.display = fkms_connector->display_idx,
++		.tag2 = { RPI_FIRMWARE_FRAMEBUFFER_GET_PHYSICAL_WIDTH_HEIGHT,
++			  8, 0, },
++	};
++	int ret;
++
++	ret = rpi_firmware_property_list(vc4->firmware, &wh, sizeof(wh));
+ 
+-	ret = rpi_firmware_property(vc4->firmware,
+-				    RPI_FIRMWARE_FRAMEBUFFER_GET_PHYSICAL_WIDTH_HEIGHT,
+-				    &wh, sizeof(wh));
+ 	if (ret) {
+ 		DRM_ERROR("Failed to get screen size: %d (0x%08x 0x%08x)\n",
+-			  ret, wh[0], wh[1]);
++			  ret, wh.wh[0], wh.wh[1]);
+ 		return 0;
+ 	}
+ 
+-	mode = drm_cvt_mode(dev, wh[0], wh[1], 60 /* vrefresh */,
++	mode = drm_cvt_mode(dev, wh.wh[0], wh.wh[1], 60 /* vrefresh */,
+ 			    0, 0, false);
+ 	drm_mode_probed_add(connector, mode);
+ 
+@@ -773,8 +787,9 @@ static const struct drm_connector_helper
+ 	.best_encoder = vc4_fkms_connector_best_encoder,
+ };
+ 
+-static struct drm_connector *vc4_fkms_connector_init(struct drm_device *dev,
+-						     struct drm_encoder *encoder)
++static struct drm_connector *
++vc4_fkms_connector_init(struct drm_device *dev, struct drm_encoder *encoder,
++			u32 display_idx)
+ {
+ 	struct drm_connector *connector = NULL;
+ 	struct vc4_fkms_connector *fkms_connector;
+@@ -789,6 +804,7 @@ static struct drm_connector *vc4_fkms_co
+ 	connector = &fkms_connector->base;
+ 
+ 	fkms_connector->encoder = encoder;
++	fkms_connector->display_idx = display_idx;
+ 
+ 	drm_connector_init(dev, connector, &vc4_fkms_connector_funcs,
+ 			   DRM_MODE_CONNECTOR_HDMIA);
+@@ -905,7 +921,8 @@ static int vc4_fkms_create_screen(struct
+ 	drm_encoder_helper_add(&vc4_encoder->base,
+ 			       &vc4_fkms_encoder_helper_funcs);
+ 
+-	vc4_crtc->connector = vc4_fkms_connector_init(drm, &vc4_encoder->base);
++	vc4_crtc->connector = vc4_fkms_connector_init(drm, &vc4_encoder->base,
++						      display_idx);
+ 	if (IS_ERR(vc4_crtc->connector)) {
+ 		ret = PTR_ERR(vc4_crtc->connector);
+ 		goto err_destroy_encoder;