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authorAlex Deucher <alexdeucher@gmail.com>2010-11-19 23:27:04 +0000
committerDave Airlie <airlied@redhat.com>2010-11-22 12:02:04 +1000
commitf24d86f1a49505cdea56728b853a5d0a3f8e3d11 (patch)
treedf8f47bea73bc843ead7c0cb77f477cc2af06b41 /drivers/gpu/drm/radeon/atom.c
parent791cfe2684a74ed7155254816ff9e89e6064277c (diff)
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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/drm/radeon/atom.c')
-rw-r--r--drivers/gpu/drm/radeon/atom.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index 8e421f644a5..05efb5b9f13 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;