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| author | Matt Roper <matthew.d.roper@intel.com> | 2021-07-22 01:30:28 +0300 |
|---|---|---|
| committer | Matt Roper <matthew.d.roper@intel.com> | 2021-07-22 19:20:41 +0300 |
| commit | 9e22cfc5e9b92556a56d8a564cdab31045f29010 (patch) | |
| tree | 365e148920f1ad123da000fd8cc44fa2c0afef12 /drivers/gpu/drm/i915/intel_step.c | |
| parent | 086df54e20bec27ccc4a1df926039faf44e1037d (diff) | |
| download | linux-9e22cfc5e9b92556a56d8a564cdab31045f29010.tar.xz | |
drm/i915/dg2: add DG2 platform info
DG2 has Xe_LPD display (version 13) and Xe_HPG (version 12.55) graphics.
There are two variants (treated as subplatforms in the code): DG2-G10
and DG2-G11 that require independent programming in some areas (e.g.,
workarounds).
Bspec: 44472, 44474, 46197, 48028, 48077
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210721223043.834562-4-matthew.d.roper@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_step.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_step.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_step.c b/drivers/gpu/drm/i915/intel_step.c index b99829bcb4f7..12c92e554253 100644 --- a/drivers/gpu/drm/i915/intel_step.c +++ b/drivers/gpu/drm/i915/intel_step.c @@ -108,6 +108,18 @@ static const struct intel_step_info xehpsdv_revids[] = { [0x8] = { .gt_step = STEP_C0 }, }; +static const struct intel_step_info dg2_g10_revid_step_tbl[] = { + [0x0] = { .gt_step = STEP_A0, .display_step = STEP_A0 }, + [0x1] = { .gt_step = STEP_A1, .display_step = STEP_A0 }, + [0x4] = { .gt_step = STEP_B0, .display_step = STEP_B0 }, + [0x8] = { .gt_step = STEP_C0, .display_step = STEP_C0 }, +}; + +static const struct intel_step_info dg2_g11_revid_step_tbl[] = { + [0x0] = { .gt_step = STEP_A0, .display_step = STEP_B0 }, + [0x4] = { .gt_step = STEP_B0, .display_step = STEP_C0 }, +}; + void intel_step_init(struct drm_i915_private *i915) { const struct intel_step_info *revids = NULL; @@ -115,7 +127,13 @@ void intel_step_init(struct drm_i915_private *i915) int revid = INTEL_REVID(i915); struct intel_step_info step = {}; - if (IS_XEHPSDV(i915)) { + if (IS_DG2_G10(i915)) { + revids = dg2_g10_revid_step_tbl; + size = ARRAY_SIZE(dg2_g10_revid_step_tbl); + } else if (IS_DG2_G11(i915)) { + revids = dg2_g11_revid_step_tbl; + size = ARRAY_SIZE(dg2_g11_revid_step_tbl); + } else if (IS_XEHPSDV(i915)) { revids = xehpsdv_revids; size = ARRAY_SIZE(xehpsdv_revids); } else if (IS_ALDERLAKE_P(i915)) { |