On Tue, Sep 10, 2019 at 07:56:51AM -0700, James Ausmus wrote:
> The returned memory value does not align with BSpec - update to correct
> this.

Hrm. The values came directly from "IceLake PCODE/Punit Mailboxes MAS"
.doc. The question is which documentation is more correct?

> 
> BSpec: 54023
> 
> Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
> Signed-off-by: James Ausmus <james.aus...@intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_bw.c | 14 +++++++++-----
>  1 file changed, 9 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_bw.c 
> b/drivers/gpu/drm/i915/display/intel_bw.c
> index 688858ebe4d0..af9b849c2c3e 100644
> --- a/drivers/gpu/drm/i915/display/intel_bw.c
> +++ b/drivers/gpu/drm/i915/display/intel_bw.c
> @@ -39,15 +39,19 @@ static int icl_pcode_read_mem_global_info(struct 
> drm_i915_private *dev_priv,
>       case 0:
>               qi->dram_type = INTEL_DRAM_DDR4;
>               break;
> -     case 1:
> -             qi->dram_type = INTEL_DRAM_DDR3;
> +     case 3:
> +             qi->dram_type = INTEL_DRAM_LPDDR4;
>               break;
> -     case 2:
> -             qi->dram_type = INTEL_DRAM_LPDDR3;
> +     case 4:
> +             qi->dram_type = INTEL_DRAM_DDR3;
>               break;
> -     case 3:
> +     case 5:
>               qi->dram_type = INTEL_DRAM_LPDDR3;
>               break;
> +     case 1:
> +     case 2:
> +             /* Unimplemented */
> +             /* fall through */
>       default:
>               MISSING_CASE(val & 0xf);
>               break;
> -- 
> 2.22.1

-- 
Ville Syrjälä
Intel
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to