On Wed, Dec 13, 2023 at 2:56 PM Devarsh Thakkar devarsht@ti.com wrote:
Hi Antoine,
On 05/12/23 21:25, Devarsh Thakkar wrote:
Move video memory reservation for SPL at end of RAM so that it does not interefere with reservations for next stage so that the next stage need not have holes in between for passed regions and instead it can maintain continuity in reservations.
Also catch the bloblist before starting reservations to avoid the same problem.
While at it, also fill missing fields in video handoff struct before passing it to next stage.
This is as per discussions at : For moving SPL framebuffer reservation at end of RAM:
https://lore.kernel.org/all/CAPnjgZ3xSoe_G3yrqwuAvoiVjUfZ+YQgkOR0ZTVXGT9VK8T...
For filling missing video handoff fields : https://lore.kernel.org/all/CAPnjgZ1Hs0rNf0JDirp6YPsOQ5=QqQSP9g9qRwLoOASUV8a...
Changelog: V2:
- Make a generic function to reserve video memory at SPL stage.
- Add debug prints while skipping framebuffer allocation at uboot.
- Correct commenting style as suggested.
V3:
- Change spl_reserve_video to spl_reserve_video_from_ram_top which enforce framebuffer reservation from end of RAM.
- Use gd->ram_top instead of local ram_top and update gd->reloc_addr after each reservation.
- Print error message on framebuffer reservation.
- Update SPL doc with spl splash screen specific info.
V4:
- Split patches into atomic commits.
- Remove duplicate check for video blob passed addresses and error out if invalid address/size received from blob.
- Improve SPL documentation memory reservation scheme and print message for video memory reservation from bloblist.
- Add Reviewed-By.
V5:
- Add comment for filling video handoff size with aligned size
- Use PHASE_BOARD_F while checking for U-boot proper stage
- Add Reviewed-by
Is it possible to pull this series in if no further comments ?
Yes please, this has been pending for a while.
Regards Devarsh
Test logs: https://gist.github.com/devarsht/30a3c1591270c9ebae00714b48d33058
Devarsh Thakkar (8): spl: Enforce framebuffer reservation from end of RAM arm: mach-k3: common: Reserve video memory from end of the RAM board: ti: am62x: evm: Remove video_setup from spl_board_init common/board_f: Catch bloblist before starting reservations video: Skip framebuffer reservation if already reserved video: Fill video handoff in video post probe doc: spl: Add info for missing Kconfigs doc: spl: Add info regarding memory reservation
arch/arm/mach-k3/common.c | 17 ++++++++++----- board/ti/am62x/evm.c | 18 ---------------- common/board_f.c | 41 +++++++++++++++++++++++++++++++----- common/spl/spl.c | 19 +++++++++++++++++ doc/develop/spl.rst | 37 ++++++++++++++++++++++++++++++++ drivers/video/video-uclass.c | 40 ++++++++++++++++++++++++----------- include/spl.h | 10 +++++++++ 7 files changed, 142 insertions(+), 40 deletions(-)
Regards, Simon