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