62b7f5931c
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry-picked from commit f07e572f64)
104 lines
3.4 KiB
Diff
104 lines
3.4 KiB
Diff
From d72d6e2388c082ef48d776105ebb285c2d470fa6 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.org>
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Date: Tue, 9 Apr 2019 14:00:07 +0100
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Subject: [PATCH] drm/vc4: Set the display number when querying the
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display resolution
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Without this the two displays got set to the same resolution.
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(Requires a firmware bug fix to work).
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
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---
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drivers/gpu/drm/vc4/vc4_firmware_kms.c | 37 +++++++++++++++++++-------
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1 file changed, 27 insertions(+), 10 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
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+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
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@@ -77,6 +77,13 @@ struct mailbox_blank_display {
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u32 blank;
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};
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+struct mailbox_get_width_height {
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+ struct rpi_firmware_property_tag_header tag1;
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+ u32 display;
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+ struct rpi_firmware_property_tag_header tag2;
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+ u32 wh[2];
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+};
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+
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static const struct vc_image_format {
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u32 drm; /* DRM_FORMAT_* */
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u32 vc_image; /* VC_IMAGE_* */
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@@ -194,6 +201,7 @@ struct vc4_fkms_connector {
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* hook.
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*/
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struct drm_encoder *encoder;
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+ u32 display_idx;
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};
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static inline struct vc4_fkms_connector *
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@@ -724,21 +732,27 @@ vc4_fkms_connector_detect(struct drm_con
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static int vc4_fkms_connector_get_modes(struct drm_connector *connector)
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{
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struct drm_device *dev = connector->dev;
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+ struct vc4_fkms_connector *fkms_connector =
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+ to_vc4_fkms_connector(connector);
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struct vc4_dev *vc4 = to_vc4_dev(dev);
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- u32 wh[2] = {0, 0};
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- int ret;
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struct drm_display_mode *mode;
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+ struct mailbox_get_width_height wh = {
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+ .tag1 = {RPI_FIRMWARE_FRAMEBUFFER_SET_DISPLAY_NUM, 4, 0, },
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+ .display = fkms_connector->display_idx,
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+ .tag2 = { RPI_FIRMWARE_FRAMEBUFFER_GET_PHYSICAL_WIDTH_HEIGHT,
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+ 8, 0, },
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+ };
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+ int ret;
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+
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+ ret = rpi_firmware_property_list(vc4->firmware, &wh, sizeof(wh));
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- ret = rpi_firmware_property(vc4->firmware,
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- RPI_FIRMWARE_FRAMEBUFFER_GET_PHYSICAL_WIDTH_HEIGHT,
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- &wh, sizeof(wh));
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if (ret) {
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DRM_ERROR("Failed to get screen size: %d (0x%08x 0x%08x)\n",
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- ret, wh[0], wh[1]);
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+ ret, wh.wh[0], wh.wh[1]);
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return 0;
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}
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- mode = drm_cvt_mode(dev, wh[0], wh[1], 60 /* vrefresh */,
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+ mode = drm_cvt_mode(dev, wh.wh[0], wh.wh[1], 60 /* vrefresh */,
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0, 0, false);
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drm_mode_probed_add(connector, mode);
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@@ -773,8 +787,9 @@ static const struct drm_connector_helper
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.best_encoder = vc4_fkms_connector_best_encoder,
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};
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-static struct drm_connector *vc4_fkms_connector_init(struct drm_device *dev,
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- struct drm_encoder *encoder)
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+static struct drm_connector *
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+vc4_fkms_connector_init(struct drm_device *dev, struct drm_encoder *encoder,
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+ u32 display_idx)
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{
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struct drm_connector *connector = NULL;
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struct vc4_fkms_connector *fkms_connector;
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@@ -789,6 +804,7 @@ static struct drm_connector *vc4_fkms_co
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connector = &fkms_connector->base;
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fkms_connector->encoder = encoder;
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+ fkms_connector->display_idx = display_idx;
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drm_connector_init(dev, connector, &vc4_fkms_connector_funcs,
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DRM_MODE_CONNECTOR_HDMIA);
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@@ -905,7 +921,8 @@ static int vc4_fkms_create_screen(struct
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drm_encoder_helper_add(&vc4_encoder->base,
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&vc4_fkms_encoder_helper_funcs);
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- vc4_crtc->connector = vc4_fkms_connector_init(drm, &vc4_encoder->base);
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+ vc4_crtc->connector = vc4_fkms_connector_init(drm, &vc4_encoder->base,
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+ display_idx);
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if (IS_ERR(vc4_crtc->connector)) {
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ret = PTR_ERR(vc4_crtc->connector);
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goto err_destroy_encoder;
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