From: Rhys Kidd Date: Sun, 2 Jun 2019 14:13:15 +0000 (+1000) Subject: drm/nouveau/bios/init: handle INIT_RESET_END devinit opcode X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9f9b450752d38c86f4f830214bb9276ed174d5d3;p=linux.git drm/nouveau/bios/init: handle INIT_RESET_END devinit opcode Signal that the reset sequence has completed. This opcode signals that the software reset sequence has completed. Ordinarily, no actual operations are performed by the opcode. However it allows for possible software work arounds by devinit engines in software agents other than the VBIOS, such as the resman, FCODE, and EFI driver. Signed-off-by: Rhys Kidd Reviewed-by: Lyude Paul Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c index 5e02832304e21..9de74f41dcd2a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c @@ -1945,6 +1945,17 @@ init_reset_begun(struct nvbios_init *init) init->offset += 1; } +/** + * INIT_RESET_END - opcode 0x8d + * + */ +static void +init_reset_end(struct nvbios_init *init) +{ + trace("RESET_END\n"); + init->offset += 1; +} + /** * INIT_GPIO - opcode 0x8e * @@ -2272,7 +2283,7 @@ static struct nvbios_init_opcode { [0x7a] = { init_zm_reg }, [0x87] = { init_ram_restrict_pll }, [0x8c] = { init_reset_begun }, - [0x8d] = { init_reserved }, + [0x8d] = { init_reset_end }, [0x8e] = { init_gpio }, [0x8f] = { init_ram_restrict_zm_reg_group }, [0x90] = { init_copy_zm_reg },