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Commit e3a1924f authored by Marcin Kościelnicki's avatar Marcin Kościelnicki Committed by Ben Skeggs
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drm/nouveau: implement init table op 0x57, INIT_LTIME 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
Signed-off-by: default avatarMarcin Kościelnicki <koriakin@0x04.net>
parent 1ac7b528

drivers/gpu/drm/nouveau/nouveau_bios.c

+26 −0
Original line number Diff line number Diff line
@@ -1927,6 +1927,31 @@ init_condition_time(struct nvbios *bios, uint16_t offset, 
	return 3;

}



static int

init_ltime(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)

{

	/*

	 * INIT_LTIME   opcode: 0x57 ('V')

	 *

	 * offset      (8  bit): opcode

	 * offset + 1  (16 bit): time

	 *

	 * Sleep for "time" miliseconds.

	 */



	unsigned time = ROM16(bios->data[offset + 1]);



	if (!iexec->execute)

		return 3;



	BIOSLOG(bios, "0x%04X: Sleeping for 0x%04X miliseconds\n",

		offset, time);



	msleep(time);



	return 3;

}



static int

init_zm_reg_sequence(struct nvbios *bios, uint16_t offset,

		     struct init_exec *iexec)
@@ -3518,6 +3543,7 @@ static struct init_tbl_entry itbl_entry[] = { 
	{ "INIT_ZM_CR"                        , 0x53, init_zm_cr                      },

	{ "INIT_ZM_CR_GROUP"                  , 0x54, init_zm_cr_group                },

	{ "INIT_CONDITION_TIME"               , 0x56, init_condition_time             },

	{ "INIT_LTIME"                        , 0x57, init_ltime                      },

	{ "INIT_ZM_REG_SEQUENCE"              , 0x58, init_zm_reg_sequence            },

	/* INIT_INDIRECT_REG (0x5A, 7, 0, 0) removed due to no example of use */

	{ "INIT_SUB_DIRECT"                   , 0x5B, init_sub_direct                 },