Re: [PATCH] drm/amd/pm: correct the watermark settings for Polaris

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On Fri, Mar 5, 2021 at 1:25 AM Evan Quan <evan.quan@xxxxxxx> wrote:
>
> The "/ 10" should be applied to the right-hand operand instead of
> the left-hand one.
>
> Change-Id: Ie730a1981aa5dee45cd6c3efccc7fb0f088cd679
> Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
> Noticed-by: Georgios Toptsidis <gtoptsid@xxxxxxxxx>

Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>

> ---
>  drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
> index c57dc9ae81f2..a2681fe875ed 100644
> --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
> +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
> @@ -5216,10 +5216,10 @@ static int smu7_set_watermarks_for_clocks_ranges(struct pp_hwmgr *hwmgr,
>                 for (j = 0; j < dep_sclk_table->count; j++) {
>                         valid_entry = false;
>                         for (k = 0; k < watermarks->num_wm_sets; k++) {
> -                               if (dep_sclk_table->entries[i].clk / 10 >= watermarks->wm_clk_ranges[k].wm_min_eng_clk_in_khz &&
> -                                   dep_sclk_table->entries[i].clk / 10 < watermarks->wm_clk_ranges[k].wm_max_eng_clk_in_khz &&
> -                                   dep_mclk_table->entries[i].clk / 10 >= watermarks->wm_clk_ranges[k].wm_min_mem_clk_in_khz &&
> -                                   dep_mclk_table->entries[i].clk / 10 < watermarks->wm_clk_ranges[k].wm_max_mem_clk_in_khz) {
> +                               if (dep_sclk_table->entries[i].clk >= watermarks->wm_clk_ranges[k].wm_min_eng_clk_in_khz / 10 &&
> +                                   dep_sclk_table->entries[i].clk < watermarks->wm_clk_ranges[k].wm_max_eng_clk_in_khz / 10 &&
> +                                   dep_mclk_table->entries[i].clk >= watermarks->wm_clk_ranges[k].wm_min_mem_clk_in_khz / 10 &&
> +                                   dep_mclk_table->entries[i].clk < watermarks->wm_clk_ranges[k].wm_max_mem_clk_in_khz / 10) {
>                                         valid_entry = true;
>                                         table->DisplayWatermark[i][j] = watermarks->wm_clk_ranges[k].wm_set_id;
>                                         break;
> --
> 2.29.0
>
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