[Intel-gfx] [PATCH] drm/i915/guc/slpc: Use wrapper for reading RP_STATE_CAP

[Matt Roper]

On Tue, Feb 15, 2022 at 06:58:17PM -0800, Vinay Belgaumkar wrote:
> This will ensure correct values for Gen12+ platforms.
> 
> Cc: Matt Roper <matthew.d.roper at intel.com>
> Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar at intel.com>

Reviewed-by: Matt Roper <matthew.d.roper at intel.com>

> ---
>  drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c
> index 13b27b8ff74e..cf075e726699 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c
> @@ -6,6 +6,7 @@
>  #include "i915_drv.h"
>  #include "intel_guc_slpc.h"
>  #include "gt/intel_gt.h"
> +#include "gt/intel_rps.h"
>  
>  static inline struct intel_guc *slpc_to_guc(struct intel_guc_slpc *slpc)
>  {
> @@ -574,10 +575,10 @@ static int slpc_use_fused_rp0(struct intel_guc_slpc *slpc)
>  
>  static void slpc_get_rp_values(struct intel_guc_slpc *slpc)
>  {
> +	struct intel_rps *rps = &slpc_to_gt(slpc)->rps;
>  	u32 rp_state_cap;
>  
> -	rp_state_cap = intel_uncore_read(slpc_to_gt(slpc)->uncore,
> -					 GEN6_RP_STATE_CAP);
> +	rp_state_cap = intel_rps_read_state_cap(rps);
>  
>  	slpc->rp0_freq = REG_FIELD_GET(RP0_CAP_MASK, rp_state_cap) *
>  					GT_FREQUENCY_MULTIPLIER;
> -- 
> 2.34.0
> 

-- 
Matt Roper
Graphics Software Engineer
VTT-OSGC Platform Enablement
Intel Corporation
(916) 356-2795