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From: Devarsh Thakkar <devarsht@ti.com>
To: <u-boot@lists.denx.de>, <sjg@chromium.org>, <agust@denx.de>,
	<trini@konsulko.com>, <bmeng.cn@gmail.com>, <msuchanek@suse.de>,
	<rasmus.villemoes@prevas.dk>, <yangshiji66@outlook.com>
Cc: <praneeth@ti.com>, <nm@ti.com>, <vigneshr@ti.com>,
	<a-bhatia1@ti.com>, <j-luthra@ti.com>, <devarsht@ti.com>,
	<nsekhar@ti.com>, <n-jain1@ti.com>
Subject: [RFC PATCH 4/5] video: Skip framebuffer reservation if already reserved
Date: Mon, 16 Oct 2023 21:36:10 +0530	[thread overview]
Message-ID: <20231016160611.1353458-5-devarsht@ti.com> (raw)
In-Reply-To: <20231016160611.1353458-1-devarsht@ti.com>

Skip framebufer reservation if it was already reserved
from previous stage and whose information was passed
using a bloblist.

Signed-off-by: Devarsh Thakkar <devarsht@ti.com>
---
 drivers/video/video-uclass.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/video/video-uclass.c b/drivers/video/video-uclass.c
index f743ed74c8..bac30187e7 100644
--- a/drivers/video/video-uclass.c
+++ b/drivers/video/video-uclass.c
@@ -123,6 +123,14 @@ int video_reserve(ulong *addrp)
 	struct udevice *dev;
 	ulong size;
 
+
+	if (IS_ENABLED(CONFIG_SPL_VIDEO_HANDOFF) && spl_phase() > PHASE_SPL) {
+		/* Skip allocation if already received a bloblist which
+		 * filled below fields */
+		if (gd->fb_base && gd->video_top && gd->video_bottom)
+			return 0;
+	}
+
 	gd->video_top = *addrp;
 	for (uclass_find_first_device(UCLASS_VIDEO, &dev);
 	     dev;
-- 
2.34.1


  parent reply	other threads:[~2023-10-16 16:07 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-16 16:06 [RFC PATCH 0/5] Move video memory reservation for SPL at the end of RAM Devarsh Thakkar
2023-10-16 16:06 ` [RFC PATCH 1/5] arm: mach-k3: common: Reserve video memory from end of the RAM Devarsh Thakkar
2023-10-19 13:56   ` Simon Glass
2023-10-23 12:11     ` Devarsh Thakkar
2023-10-26 13:26       ` Tom Rini
2023-10-16 16:06 ` [RFC PATCH 2/5] board: ti: am62x: evm: Remove video_setup from spl_board_init Devarsh Thakkar
2023-10-16 16:06 ` [RFC PATCH 3/5] common/board_f: Catch bloblist before starting resevatinos Devarsh Thakkar
2023-10-16 16:06 ` Devarsh Thakkar [this message]
2023-10-19 13:56   ` [RFC PATCH 4/5] video: Skip framebuffer reservation if already reserved Simon Glass
2023-10-16 16:06 ` [RFC PATCH 5/5] video: Fill video handoff in video post probe Devarsh Thakkar

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