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[i-g-t] overlay: Believe in 0MHz

Message ID 20191128180414.44846-1-chris@chris-wilson.co.uk (mailing list archive)
State New, archived
Headers show
Series [i-g-t] overlay: Believe in 0MHz | expand

Commit Message

Chris Wilson Nov. 28, 2019, 6:04 p.m. UTC
Tvrtko proposed reporting 0MHz when idle, but the overlay didn't believe
that would be possible and stripped from its graphs!

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 overlay/overlay.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

Comments

Tvrtko Ursulin Nov. 29, 2019, 11:37 a.m. UTC | #1
On 28/11/2019 18:04, Chris Wilson wrote:
> Tvrtko proposed reporting 0MHz when idle, but the overlay didn't believe
> that would be possible and stripped from its graphs!
> 
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> ---
>   overlay/overlay.c | 9 +++------
>   1 file changed, 3 insertions(+), 6 deletions(-)
> 
> diff --git a/overlay/overlay.c b/overlay/overlay.c
> index dd4fca29e..77302181c 100644
> --- a/overlay/overlay.c
> +++ b/overlay/overlay.c
> @@ -599,10 +599,8 @@ static void show_gpu_freq(struct overlay_context *ctx, struct overlay_gpu_freq *
>   	}
>   
>   	if (has_freq) {
> -		if (gf->gpu_freq.current)
> -			chart_add_sample(&gf->current, gf->gpu_freq.current);
> -		if (gf->gpu_freq.request)
> -			chart_add_sample(&gf->request, gf->gpu_freq.request);
> +		chart_add_sample(&gf->current, gf->gpu_freq.current);
> +		chart_add_sample(&gf->request, gf->gpu_freq.request);
>   
>   		chart_draw(&gf->request, ctx->cr);
>   		chart_draw(&gf->current, ctx->cr);
> @@ -647,9 +645,8 @@ static void show_gpu_freq(struct overlay_context *ctx, struct overlay_gpu_freq *
>   		cairo_text_extents_t extents;
>   
>   		len = sprintf(buf, "Frequency: %dMHz", gf->gpu_freq.current);
> -		if (gf->gpu_freq.request)
>   		cairo_set_source_rgba(ctx->cr, 1, 1, 1, 1);
> -			sprintf(buf + len, " (requested %dMHz)", gf->gpu_freq.request);
> +		sprintf(buf + len, " (requested %dMHz)", gf->gpu_freq.request);
>   		cairo_move_to(ctx->cr, PAD, y);
>   		cairo_show_text(ctx->cr, buf);
>   		y += 12;
> 

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

For if/when we decide to go with it. You made me a little bit unsure 
with the sysfs angle although from the other hand I don't see that it is 
useful to report non-zero while idle.

Regards,

Tvrtko
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Patch

diff --git a/overlay/overlay.c b/overlay/overlay.c
index dd4fca29e..77302181c 100644
--- a/overlay/overlay.c
+++ b/overlay/overlay.c
@@ -599,10 +599,8 @@  static void show_gpu_freq(struct overlay_context *ctx, struct overlay_gpu_freq *
 	}
 
 	if (has_freq) {
-		if (gf->gpu_freq.current)
-			chart_add_sample(&gf->current, gf->gpu_freq.current);
-		if (gf->gpu_freq.request)
-			chart_add_sample(&gf->request, gf->gpu_freq.request);
+		chart_add_sample(&gf->current, gf->gpu_freq.current);
+		chart_add_sample(&gf->request, gf->gpu_freq.request);
 
 		chart_draw(&gf->request, ctx->cr);
 		chart_draw(&gf->current, ctx->cr);
@@ -647,9 +645,8 @@  static void show_gpu_freq(struct overlay_context *ctx, struct overlay_gpu_freq *
 		cairo_text_extents_t extents;
 
 		len = sprintf(buf, "Frequency: %dMHz", gf->gpu_freq.current);
-		if (gf->gpu_freq.request)
 		cairo_set_source_rgba(ctx->cr, 1, 1, 1, 1);
-			sprintf(buf + len, " (requested %dMHz)", gf->gpu_freq.request);
+		sprintf(buf + len, " (requested %dMHz)", gf->gpu_freq.request);
 		cairo_move_to(ctx->cr, PAD, y);
 		cairo_show_text(ctx->cr, buf);
 		y += 12;