diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-11-20 02:27:04 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-11-22 05:02:04 +0300 |
| commit | f24d86f1a49505cdea56728b853a5d0a3f8e3d11 (patch) | |
| tree | df8f47bea73bc843ead7c0cb77f477cc2af06b41 /drivers/gpu | |
| parent | 791cfe2684a74ed7155254816ff9e89e6064277c (diff) | |
| download | linux-f24d86f1a49505cdea56728b853a5d0a3f8e3d11.tar.xz | |
drm/radeon/kms: fix resume regression for some r5xx laptops
I had removed this when I switched the atom indirect io methods
to use the io bar rather than the mmio bar, but it appears it's
still needed.
Reported-by: Mark Lord <kernel@teksavvy.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/atom.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c index 8e421f644a54..05efb5b9f13e 100644 --- a/drivers/gpu/drm/radeon/atom.c +++ b/drivers/gpu/drm/radeon/atom.c @@ -112,6 +112,7 @@ static uint32_t atom_iio_execute(struct atom_context *ctx, int base, base += 3; break; case ATOM_IIO_WRITE: + (void)ctx->card->ioreg_read(ctx->card, CU16(base + 1)); ctx->card->ioreg_write(ctx->card, CU16(base + 1), temp); base += 3; break; |