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	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>
		
			
				
	
	
		
			55 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From c2666d7b749ade8ed250ab115a71d420c1403b24 Mon Sep 17 00:00:00 2001
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| From: Dave Stevenson <dave.stevenson@raspberrypi.org>
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| Date: Fri, 5 Apr 2019 17:23:15 +0100
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| Subject: [PATCH] drm: vc4: Select display to blank during
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|  initialisation
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| 
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| Otherwise the rainbow splash screen remained in the display list
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| 
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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 | 18 ++++++++++++++----
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|  1 file changed, 14 insertions(+), 4 deletions(-)
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| 
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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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| @@ -89,6 +89,13 @@ struct fb_alloc_tags {
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|  	u32 layer;
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|  };
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|  
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| +struct mailbox_blank_display {
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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 blank;
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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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| @@ -855,7 +862,12 @@ static int vc4_fkms_create_screen(struct
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|  	struct drm_crtc *crtc;
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|  	struct drm_plane *primary_plane, *overlay_plane, *cursor_plane;
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|  	struct drm_plane *destroy_plane, *temp;
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| -	u32 blank = 1;
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| +	struct mailbox_blank_display blank = {
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| +		.tag1 = {RPI_FIRMWARE_FRAMEBUFFER_SET_DISPLAY_NUM, 4, 0, },
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| +		.display = display_idx,
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| +		.tag2 = { RPI_FIRMWARE_FRAMEBUFFER_BLANK, 4, 0, },
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| +		.blank = 1,
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| +	};
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|  	int ret;
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|  
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|  	vc4_crtc = devm_kzalloc(dev, sizeof(*vc4_crtc), GFP_KERNEL);
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| @@ -866,9 +878,7 @@ static int vc4_fkms_create_screen(struct
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|  	vc4_crtc->display_number = display_ref;
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|  
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|  	/* Blank the firmware provided framebuffer */
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| -	rpi_firmware_property(vc4->firmware,
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| -			      RPI_FIRMWARE_FRAMEBUFFER_BLANK,
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| -			      &blank, sizeof(blank));
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| +	rpi_firmware_property_list(vc4->firmware, &blank, sizeof(blank));
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|  
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|  	primary_plane = vc4_fkms_plane_init(drm, DRM_PLANE_TYPE_PRIMARY,
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|  					    display_ref,
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