Re: [PATCH 2/3] drm/i915/tgl: allow the reg_read ioctl to read the RCS TIMESTAMP register

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On Thu, Jul 25, 2019 at 05:24:11PM -0700, Lucas De Marchi wrote:
> From: Jordan Justen <jordan.l.justen@xxxxxxxxx>
> 
> This enables the Mesa driver to advertise support for ARB_timer_query,
> and thus an OpenGL version higher than 3.2.
> 
> Based on the ICL patch by Paulo Zanoni and CNL patch by Nanley Chery.
> 
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Signed-off-by: Jordan Justen <jordan.l.justen@xxxxxxxxx>
> Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/intel_uncore.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
> index 475ab3d4d91d..2b839acfa0f6 100644
> --- a/drivers/gpu/drm/i915/intel_uncore.c
> +++ b/drivers/gpu/drm/i915/intel_uncore.c
> @@ -1776,7 +1776,7 @@ static const struct reg_whitelist {
>  } reg_read_whitelist[] = { {
>  	.offset_ldw = RING_TIMESTAMP(RENDER_RING_BASE),
>  	.offset_udw = RING_TIMESTAMP_UDW(RENDER_RING_BASE),
> -	.gen_mask = INTEL_GEN_MASK(4, 11),
> +	.gen_mask = INTEL_GEN_MASK(4, 12),
>  	.size = 8
>  } };
>  
> -- 
> 2.21.0
> 
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