diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-04-25 11:51:21 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-04-25 11:51:21 +0300 |
| commit | 7f0020417b7bceaa10cf9e1efe2b3f5c554d972e (patch) | |
| tree | 69d11757acfb4bacfb5f82f6f0fbf04339b3cd38 /drivers/gpu/drm/i915/display/intel_bw.c | |
| parent | 616e143c9fd88562b4d2cb235834c620fe65ba22 (diff) | |
| parent | ea061bad207e1ba693b5488ba64c663f7ca03f50 (diff) | |
| download | linux-rolling-stable.tar.xz | |
Merge v6.14.4linux-rolling-stable
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_bw.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_bw.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index 23edc81741de..dd1cae3021af 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -244,6 +244,7 @@ static int icl_get_qgv_points(struct drm_i915_private *dev_priv, qi->deinterleave = 4; break; case INTEL_DRAM_GDDR: + case INTEL_DRAM_GDDR_ECC: qi->channel_width = 32; break; default: @@ -398,6 +399,12 @@ static const struct intel_sa_info xe2_hpd_sa_info = { /* Other values not used by simplified algorithm */ }; +static const struct intel_sa_info xe2_hpd_ecc_sa_info = { + .derating = 45, + .deprogbwlimit = 53, + /* Other values not used by simplified algorithm */ +}; + static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel_sa_info *sa) { struct intel_qgv_info qi = {}; @@ -740,10 +747,15 @@ static unsigned int icl_qgv_bw(struct drm_i915_private *i915, void intel_bw_init_hw(struct drm_i915_private *dev_priv) { + const struct dram_info *dram_info = &dev_priv->dram_info; + if (!HAS_DISPLAY(dev_priv)) return; - if (DISPLAY_VERx100(dev_priv) >= 1401 && IS_DGFX(dev_priv)) + if (DISPLAY_VERx100(dev_priv) >= 1401 && IS_DGFX(dev_priv) && + dram_info->type == INTEL_DRAM_GDDR_ECC) + xe2_hpd_get_bw_info(dev_priv, &xe2_hpd_ecc_sa_info); + else if (DISPLAY_VERx100(dev_priv) >= 1401 && IS_DGFX(dev_priv)) xe2_hpd_get_bw_info(dev_priv, &xe2_hpd_sa_info); else if (DISPLAY_VER(dev_priv) >= 14) tgl_get_bw_info(dev_priv, &mtl_sa_info); |