* [PATCH v3] drm/amd/powerplay: Copy watermark to SMU
@ 2019-12-13 16:11 Zhan Liu
2019-12-13 17:10 ` Alex Deucher
0 siblings, 1 reply; 2+ messages in thread
From: Zhan Liu @ 2019-12-13 16:11 UTC (permalink / raw)
To: amd-gfx, hersenxs.wu, Alexander.Deucher, Kevin1.Wang, Evan.Quan,
Tianci.Yin
Cc: Zhan Liu
[Why]
Watermark value was expected to copy to SMU
within navi10_display_config_changed(). But
navi10_display_config_changed() is never called.
As a result, the watermark value is never
copied to SMU.
[How]
At end of navi10_set_watermarks_table,
copy watermark to SMU.
Signed-off-by: Zhan Liu <zhan.liu@amd.com>
---
drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index 15403b7979d6..f4cdd78492fa 100644
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -1472,6 +1472,17 @@ static int navi10_set_watermarks_table(struct smu_context *smu,
clock_ranges->wm_mcif_clocks_ranges[i].wm_set_id;
}
+ /* Pass data to smu controller */
+ if ((smu->watermarks_bitmap & WATERMARKS_EXIST) &&
+ !(smu->watermarks_bitmap & WATERMARKS_LOADED)) {
+ int ret = smu_write_watermarks_table(smu);
+ if (ret) {
+ pr_err("Failed to update WMTABLE!");
+ return ret;
+ }
+ smu->watermarks_bitmap |= WATERMARKS_LOADED;
+ }
+
return 0;
}
--
2.17.1
Fix a typo here.
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v3] drm/amd/powerplay: Copy watermark to SMU
2019-12-13 16:11 [PATCH v3] drm/amd/powerplay: Copy watermark to SMU Zhan Liu
@ 2019-12-13 17:10 ` Alex Deucher
0 siblings, 0 replies; 2+ messages in thread
From: Alex Deucher @ 2019-12-13 17:10 UTC (permalink / raw)
To: Zhan Liu
Cc: Kevin Wang, tiancyin, amd-gfx list, Hersen Wu, Deucher,
Alexander, Quan, Evan
On Fri, Dec 13, 2019 at 11:11 AM Zhan Liu <zhan.liu@amd.com> wrote:
>
> [Why]
> Watermark value was expected to copy to SMU
> within navi10_display_config_changed(). But
> navi10_display_config_changed() is never called.
> As a result, the watermark value is never
> copied to SMU.
>
> [How]
> At end of navi10_set_watermarks_table,
> copy watermark to SMU.
>
> Signed-off-by: Zhan Liu <zhan.liu@amd.com>
This and the renoir patch are:
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Do we know why this isn't getting setup in the display configuration
callback? Are the watermarks static or do the depend on something?
Alex
> ---
> drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
> index 15403b7979d6..f4cdd78492fa 100644
> --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
> +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
> @@ -1472,6 +1472,17 @@ static int navi10_set_watermarks_table(struct smu_context *smu,
> clock_ranges->wm_mcif_clocks_ranges[i].wm_set_id;
> }
>
> + /* Pass data to smu controller */
> + if ((smu->watermarks_bitmap & WATERMARKS_EXIST) &&
> + !(smu->watermarks_bitmap & WATERMARKS_LOADED)) {
> + int ret = smu_write_watermarks_table(smu);
> + if (ret) {
> + pr_err("Failed to update WMTABLE!");
> + return ret;
> + }
> + smu->watermarks_bitmap |= WATERMARKS_LOADED;
> + }
> +
> return 0;
> }
>
> --
> 2.17.1
>
> Fix a typo here.
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2019-12-13 20:59 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-12-13 16:11 [PATCH v3] drm/amd/powerplay: Copy watermark to SMU Zhan Liu
2019-12-13 17:10 ` Alex Deucher
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.