efi: sysfb_efi: Fix lfb_linelength calculation when applying quirks

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PIXEL_BIT_MASK formats can have either less or more than four bytes per
pixel so lets fix the lfb_linelenght calculation when applying the
swapped width and height quirks.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Suggested-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Melissa Wen <mwen@igalia.com>
Cc: linux-efi@vger.kernel.org
Tested-by: Melissa Wen <mwen@igalia.com> # v3
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

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Tvrtko Ursulin 2025-12-08 20:39:23 +01:00 • committed by Ard Biesheuvel

parent bb2c941b31

commit 449b87e81f

1 changed files with 4 additions and 1 deletions

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drivers/firmware/efi/sysfb_efi.c

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