diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2012-03-29 19:04:08 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-13 08:14:06 -0700 |
| commit | df03e202e63939fd43665ef933ec88e20ca0078c (patch) | |
| tree | db4dbc09f15a533f78988243fb0ac250a7dd2395 | |
| parent | ce6e47c818057c59786fd9a7f10c6d4bb48cb950 (diff) | |
| download | lwn-df03e202e63939fd43665ef933ec88e20ca0078c.tar.gz lwn-df03e202e63939fd43665ef933ec88e20ca0078c.zip | |
drm/radeon/kms: fix fans after resume
commit 402976fe51b2d1a58a29ba06fa1ca5ace3a4cdcd upstream.
On pre-R600 asics, the SpeedFanControl table is not
executed as part of ASIC_Init as it is on newer asics.
Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=29412
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/radeon/atom.c | 15 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/atom.h | 1 |
2 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c index 9a0aee2f0650..88661eaa2c74 100644 --- a/drivers/gpu/drm/radeon/atom.c +++ b/drivers/gpu/drm/radeon/atom.c @@ -1301,8 +1301,11 @@ struct atom_context *atom_parse(struct card_info *card, void *bios) int atom_asic_init(struct atom_context *ctx) { + struct radeon_device *rdev = ctx->card->dev->dev_private; int hwi = CU16(ctx->data_table + ATOM_DATA_FWI_PTR); uint32_t ps[16]; + int ret; + memset(ps, 0, 64); ps[0] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFSCLK_PTR)); @@ -1312,7 +1315,17 @@ int atom_asic_init(struct atom_context *ctx) if (!CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_INIT)) return 1; - return atom_execute_table(ctx, ATOM_CMD_INIT, ps); + ret = atom_execute_table(ctx, ATOM_CMD_INIT, ps); + if (ret) + return ret; + + memset(ps, 0, 64); + + if (rdev->family < CHIP_R600) { + if (CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_SPDFANCNTL)) + atom_execute_table(ctx, ATOM_CMD_SPDFANCNTL, ps); + } + return ret; } void atom_destroy(struct atom_context *ctx) diff --git a/drivers/gpu/drm/radeon/atom.h b/drivers/gpu/drm/radeon/atom.h index 93cfe2086ba0..25fea631dad2 100644 --- a/drivers/gpu/drm/radeon/atom.h +++ b/drivers/gpu/drm/radeon/atom.h @@ -44,6 +44,7 @@ #define ATOM_CMD_SETSCLK 0x0A #define ATOM_CMD_SETMCLK 0x0B #define ATOM_CMD_SETPCLK 0x0C +#define ATOM_CMD_SPDFANCNTL 0x39 #define ATOM_DATA_FWI_PTR 0xC #define ATOM_DATA_IIO_PTR 0x32 |