b43e2ec03b
Replace vkms' prepare_fb and cleanup_fb functions with the generic code for shadow-buffered planes. No functional changes. This change also fixes a problem where IGT kms_flip tests would create a segmentation fault within vkms. The driver's prepare_fb function did not report an error if a BO's vmap operation failed. The kernel later tried to operate on the non-mapped memory areas. The shared shadow-plane helpers handle errors correctly, so that the driver now avoids the segmantation fault. v2: * include paragraph about IGT tests in commit message (Melissa) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Melissa Wen <melissa.srw@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210705074633.9425-4-tzimmermann@suse.de |
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