diff options
| author | Clint Taylor <clinton.a.taylor@intel.com> | 2021-02-04 12:04:58 -0800 |
|---|---|---|
| committer | José Roberto de Souza <jose.souza@intel.com> | 2021-02-05 05:23:15 -0800 |
| commit | 1f1257a67ca34deb9708814c491053be8520644b (patch) | |
| tree | 7d29c822e37ee2f52b6b37518083b4c3aaddafa5 /drivers/gpu/drm | |
| parent | 41751b3e5c1ac656a86f8d45a8891115281b729e (diff) | |
drm/i915/display: support ddr5 mem types
Add DDR5 and LPDDR5 return values from punit fw.
BSPEC: 54023
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210204200458.21875-1-clinton.a.taylor@intel.com
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_bw.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 4 | ||||
| -rw-r--r-- | 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 105109bc84da..60c52588d552 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1133,7 +1133,9 @@ 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; |