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authorMarcin Koƛcielnicki <koriakin@0x04.net>2010-07-02 19:33:01 +0000
committerBen Skeggs <bskeggs@redhat.com>2010-08-06 08:35:46 +1000
commite3a1924f3e5aeabdb1a1ae1a87b4097e48b7f2c5 (patch)
treeeac1c09e120ceadbac0c7aa0c051fffef020f1e7
parent1ac7b528a0e924308cfedea5d71b78c31c23b851 (diff)
downloadlinux-e3a1924f3e5aeabdb1a1ae1a87b4097e48b7f2c5.tar.bz2
drm/nouveau: implement init table op 0x57, INIT_LTIME
Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Marcin Koƛcielnicki <koriakin@0x04.net>
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index e0997d6e6d77..6dd00ffa63a0 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -1928,6 +1928,31 @@ init_condition_time(struct nvbios *bios, uint16_t offset,
}
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 },