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>
This commit is contained in:
Alex Deucher 2010-11-19 23:27:04 +00:00 committed by Dave Airlie
parent 791cfe2684
commit f24d86f1a4

View File

@ -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;