On Thu, 2021-02-04 at 12:04 -0800, clinton.a.taylor@xxxxxxxxx wrote:
> From: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
>
> Add DDR5 and LPDDR5 return values from punit fw.
>
Reviewed-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
> BSPEC: 54023
> Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
> Cc: José Roberto de Souza <jose.souza@xxxxxxxxx>
> Signed-off-by: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_bw.c | 12 +++++++++++-
> drivers/gpu/drm/i915/i915_drv.h | 4 +++-
> drivers/gpu/drm/i915/intel_dram.c | 6 ++++++
> 3 files changed, 20 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
> index ba9e713585e7..d122b9965532 100644
> --- a/drivers/gpu/drm/i915/display/intel_bw.c
> +++ b/drivers/gpu/drm/i915/display/intel_bw.c
> @@ -78,7 +78,17 @@ static int icl_get_qgv_points(struct drm_i915_private *dev_priv,
> qi->num_points = dram_info->num_qgv_points;
>
>
>
>
> if (IS_GEN(dev_priv, 12))
> - qi->t_bl = dev_priv->dram_info.type == INTEL_DRAM_DDR4 ? 4 : 16;
> + switch (dram_info->type) {
> + case INTEL_DRAM_DDR4:
> + qi->t_bl = 4;
> + break;
> + case INTEL_DRAM_DDR5:
> + qi->t_bl = 8;
> + break;
> + default:
> + qi->t_bl = 16;
> + break;
> + }
> else if (IS_GEN(dev_priv, 11))
> qi->t_bl = dev_priv->dram_info.type == INTEL_DRAM_DDR4 ? 4 : 8;
>
>
>
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index a2fd7e5039b3..8083a50908bf 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1136,7 +1136,9 @@ struct drm_i915_private {
> INTEL_DRAM_DDR3,
> INTEL_DRAM_DDR4,
> INTEL_DRAM_LPDDR3,
> - INTEL_DRAM_LPDDR4
> + INTEL_DRAM_LPDDR4,
> + INTEL_DRAM_DDR5,
> + INTEL_DRAM_LPDDR5,
> } type;
> u8 num_qgv_points;
> } dram_info;
> diff --git a/drivers/gpu/drm/i915/intel_dram.c b/drivers/gpu/drm/i915/intel_dram.c
> index 73d256fc6830..1e53c017c30d 100644
> --- a/drivers/gpu/drm/i915/intel_dram.c
> +++ b/drivers/gpu/drm/i915/intel_dram.c
> @@ -427,6 +427,12 @@ static int icl_pcode_read_mem_global_info(struct drm_i915_private *dev_priv)
> case 0:
> dram_info->type = INTEL_DRAM_DDR4;
> break;
> + case 1:
> + dram_info->type = INTEL_DRAM_DDR5;
> + break;
> + case 2:
> + dram_info->type = INTEL_DRAM_LPDDR5;
> + break;
> case 3:
> dram_info->type = INTEL_DRAM_LPDDR4;
> break;
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