mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-21 06:33:41 +00:00
88 lines
2.7 KiB
Diff
88 lines
2.7 KiB
Diff
From ebb8a4e93e242311d319098ea56e4ef4d92c4d19 Mon Sep 17 00:00:00 2001
|
|
From: James Hughes <james.hughes@raspberrypi.org>
|
|
Date: Wed, 16 Oct 2019 14:49:23 +0100
|
|
Subject: [PATCH] drm:vc4 Added calls for firmware display
|
|
blank/unblank
|
|
|
|
Requires new display power mailbox call to be present.
|
|
|
|
Signed-off-by: James Hughes <james.hughes@raspberrypi.org>
|
|
---
|
|
drivers/gpu/drm/vc4/vc4_firmware_kms.c | 25 ++++++++++++++++++++++
|
|
include/soc/bcm2835/raspberrypi-firmware.h | 2 +-
|
|
2 files changed, 26 insertions(+), 1 deletion(-)
|
|
|
|
--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
|
|
+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
|
|
@@ -91,6 +91,12 @@ struct mailbox_blank_display {
|
|
u32 blank;
|
|
};
|
|
|
|
+struct mailbox_display_pwr {
|
|
+ struct rpi_firmware_property_tag_header tag1;
|
|
+ u32 display;
|
|
+ u32 state;
|
|
+};
|
|
+
|
|
struct mailbox_get_edid {
|
|
struct rpi_firmware_property_tag_header tag1;
|
|
u32 block;
|
|
@@ -272,6 +278,7 @@ struct vc4_fkms_encoder {
|
|
struct drm_encoder base;
|
|
bool hdmi_monitor;
|
|
bool rgb_range_selectable;
|
|
+ int display_num;
|
|
};
|
|
|
|
static inline struct vc4_fkms_encoder *
|
|
@@ -1613,13 +1620,29 @@ static const struct drm_encoder_funcs vc
|
|
.destroy = vc4_fkms_encoder_destroy,
|
|
};
|
|
|
|
+static void vc4_fkms_display_power(struct drm_encoder *encoder, bool power)
|
|
+{
|
|
+ struct vc4_fkms_encoder *vc4_encoder = to_vc4_fkms_encoder(encoder);
|
|
+ struct vc4_dev *vc4 = to_vc4_dev(encoder->dev);
|
|
+
|
|
+ struct mailbox_display_pwr pwr = {
|
|
+ .tag1 = {RPI_FIRMWARE_SET_DISPLAY_POWER, 8, 0, },
|
|
+ .display = vc4_encoder->display_num,
|
|
+ .state = power ? 1 : 0,
|
|
+ };
|
|
+
|
|
+ rpi_firmware_property_list(vc4->firmware, &pwr, sizeof(pwr));
|
|
+}
|
|
+
|
|
static void vc4_fkms_encoder_enable(struct drm_encoder *encoder)
|
|
{
|
|
+ vc4_fkms_display_power(encoder, true);
|
|
DRM_DEBUG_KMS("Encoder_enable\n");
|
|
}
|
|
|
|
static void vc4_fkms_encoder_disable(struct drm_encoder *encoder)
|
|
{
|
|
+ vc4_fkms_display_power(encoder, false);
|
|
DRM_DEBUG_KMS("Encoder_disable\n");
|
|
}
|
|
|
|
@@ -1695,6 +1718,8 @@ static int vc4_fkms_create_screen(struct
|
|
if (!vc4_encoder)
|
|
return -ENOMEM;
|
|
vc4_crtc->encoder = &vc4_encoder->base;
|
|
+
|
|
+ vc4_encoder->display_num = display_ref;
|
|
vc4_encoder->base.possible_crtcs |= drm_crtc_mask(crtc) ;
|
|
|
|
drm_encoder_init(drm, &vc4_encoder->base, &vc4_fkms_encoder_funcs,
|
|
--- a/include/soc/bcm2835/raspberrypi-firmware.h
|
|
+++ b/include/soc/bcm2835/raspberrypi-firmware.h
|
|
@@ -155,7 +155,7 @@ enum rpi_firmware_property_tag {
|
|
RPI_FIRMWARE_GET_DISPLAY_TIMING = 0x00040017,
|
|
RPI_FIRMWARE_SET_TIMING = 0x00048017,
|
|
RPI_FIRMWARE_GET_DISPLAY_CFG = 0x00040018,
|
|
-
|
|
+ RPI_FIRMWARE_SET_DISPLAY_POWER = 0x00048019,
|
|
RPI_FIRMWARE_GET_COMMAND_LINE = 0x00050001,
|
|
RPI_FIRMWARE_GET_DMA_CHANNELS = 0x00060001,
|
|
};
|