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authorClint Taylor <clinton.a.taylor@intel.com>2021-02-04 12:04:58 -0800
committerJosé Roberto de Souza <jose.souza@intel.com>2021-02-05 05:23:15 -0800
commit1f1257a67ca34deb9708814c491053be8520644b (patch)
tree7d29c822e37ee2f52b6b37518083b4c3aaddafa5 /drivers/gpu/drm/i915/display/intel_bw.c
parent41751b3e5c1ac656a86f8d45a8891115281b729e (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/i915/display/intel_bw.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_bw.c12
1 files changed, 11 insertions, 1 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;