Am 17.05.2017 um 10:11 schrieb zhoucm1:
On 2017年05月17日 15:55, Huang Rui wrote:
On Wed, May 17, 2017 at 03:43:47PM +0800, Zhou, David(ChunMing) wrote:
By this change, I suggest to remove mmhub/gfxhub_v1_0_ip_funcs and
their
IP block, unify them to gmc ip block, this way we cannot lost setting
when resume back.
From hw side, wo won't have real gmc since this chip, mmhub and
gfxhub(gc)
instead of it. Maybe we would better to align with hw desgin.
I don't see any advance, as you said, we still have gmc block in
soc15, why not unify mmhub/gfxhub calls to gmc block?
We can keep mmhub/gfxhub_xxx.c file, but ip_funciton isn't necessary.
Well they are two hardware block, but are mostly identical programmed
(the MMHUB has a few more bits for guaranteed bandwith, but we ignore
those at the moment).
So it doesn't make much sense having two separate code instances to
handle them.
One major problem still remaining is that our generated register headers
are crap for this. You can't for example include both headers at the
same time.
Regards,
Christian.
Regards,
David Zhou
Thanks,
Rui
Regards,
David Zhou
On 2017年05月17日 15:38, Huang Rui wrote:
Signed-off-by: Huang Rui <ray.hu...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
b/drivers/gpu/drm/amd/
amdgpu/gfxhub_v1_0.c
index 005075f..41313514 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
@@ -368,7 +368,7 @@ static int gfxhub_v1_0_suspend(void *handle)
static int gfxhub_v1_0_resume(void *handle)
{
- return 0;
+ return gfxhub_v1_0_hw_init(handle);
}
static bool gfxhub_v1_0_is_idle(void *handle)
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