diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0525-drm-vc4-Set-the-display-number-when-querying-the-dis.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0525-drm-vc4-Set-the-display-number-when-querying-the-dis.patch | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0525-drm-vc4-Set-the-display-number-when-querying-the-dis.patch b/target/linux/brcm2708/patches-4.19/950-0525-drm-vc4-Set-the-display-number-when-querying-the-dis.patch new file mode 100644 index 0000000000..236caaf32f --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0525-drm-vc4-Set-the-display-number-when-querying-the-dis.patch @@ -0,0 +1,103 @@ +From 1b9eb8d557c692e5f1dd831b5e7134e6d07a4dd4 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 +@@ -75,6 +75,13 @@ 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_* */ +@@ -192,6 +199,7 @@ struct vc4_fkms_connector { + * hook. + */ + struct drm_encoder *encoder; ++ u32 display_idx; + }; + + static inline struct vc4_fkms_connector * +@@ -723,21 +731,27 @@ 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); + +@@ -772,8 +786,9 @@ 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; +@@ -788,6 +803,7 @@ 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); +@@ -904,7 +920,8 @@ 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; |