Re: [PATCH v5 9/9] drm/i915: Replace several IS_METEORLAKE with proper IP version checks

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Quoting Matt Roper (2023-08-21 15:06:29-03:00)
>Many of the IS_METEORLAKE conditions throughout the driver are supposed
>to be checks for Xe_LPG and/or Xe_LPM+ IP, not for the MTL platform
>specifically.  Update those checks to ensure that the code will still
>operate properly if/when these IP versions show up on future platforms.
>
>v2:
> - Update two more conditions (one for pg_enable, one for MTL HuC
>   compatibility).
>v3:
> - Don't change GuC/HuC compatibility check, which sounds like it truly
>   is specific to the MTL platform.  (Gustavo)
> - Drop a non-lineage workaround number for the OA timestamp frequency
>   workaround.  (Gustavo)
>
>Cc: Gustavo Sousa <gustavo.sousa@xxxxxxxxx>
>Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>

Reviewed-by: Gustavo Sousa <gustavo.sousa@xxxxxxxxx>

>---
> drivers/gpu/drm/i915/gem/i915_gem_create.c |  4 ++--
> drivers/gpu/drm/i915/gt/intel_engine_pm.c  |  2 +-
> drivers/gpu/drm/i915/gt/intel_mocs.c       |  2 +-
> drivers/gpu/drm/i915/gt/intel_rc6.c        |  2 +-
> drivers/gpu/drm/i915/gt/intel_reset.c      |  2 +-
> drivers/gpu/drm/i915/gt/intel_rps.c        |  2 +-
> drivers/gpu/drm/i915/i915_debugfs.c        |  2 +-
> drivers/gpu/drm/i915/i915_perf.c           | 11 +++++------
> 8 files changed, 13 insertions(+), 14 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/gem/i915_gem_create.c b/drivers/gpu/drm/i915/gem/i915_gem_create.c
>index d24c0ce8805c..19156ba4b9ef 100644
>--- a/drivers/gpu/drm/i915/gem/i915_gem_create.c
>+++ b/drivers/gpu/drm/i915/gem/i915_gem_create.c
>@@ -405,8 +405,8 @@ static int ext_set_pat(struct i915_user_extension __user *base, void *data)
>         BUILD_BUG_ON(sizeof(struct drm_i915_gem_create_ext_set_pat) !=
>                      offsetofend(struct drm_i915_gem_create_ext_set_pat, rsvd));
> 
>-        /* Limiting the extension only to Meteor Lake */
>-        if (!IS_METEORLAKE(i915))
>+        /* Limiting the extension only to Xe_LPG and beyond */
>+        if (GRAPHICS_VER_FULL(i915) < IP_VER(12, 70))
>                 return -ENODEV;
> 
>         if (copy_from_user(&ext, base, sizeof(ext)))
>diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.c b/drivers/gpu/drm/i915/gt/intel_engine_pm.c
>index b538b5c04948..e91fc881dbf1 100644
>--- a/drivers/gpu/drm/i915/gt/intel_engine_pm.c
>+++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.c
>@@ -21,7 +21,7 @@ static void intel_gsc_idle_msg_enable(struct intel_engine_cs *engine)
> {
>         struct drm_i915_private *i915 = engine->i915;
> 
>-        if (IS_METEORLAKE(i915) && engine->id == GSC0) {
>+        if (MEDIA_VER(i915) >= 13 && engine->id == GSC0) {
>                 intel_uncore_write(engine->gt->uncore,
>                                    RC_PSMI_CTRL_GSCCS,
>                                    _MASKED_BIT_DISABLE(IDLE_MSG_DISABLE));
>diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c
>index bf8b42d2d327..07269ff3be13 100644
>--- a/drivers/gpu/drm/i915/gt/intel_mocs.c
>+++ b/drivers/gpu/drm/i915/gt/intel_mocs.c
>@@ -495,7 +495,7 @@ static unsigned int get_mocs_settings(const struct drm_i915_private *i915,
>         memset(table, 0, sizeof(struct drm_i915_mocs_table));
> 
>         table->unused_entries_index = I915_MOCS_PTE;
>-        if (IS_METEORLAKE(i915)) {
>+        if (IS_GFX_GT_IP_RANGE(&i915->gt0, IP_VER(12, 70), IP_VER(12, 71))) {
>                 table->size = ARRAY_SIZE(mtl_mocs_table);
>                 table->table = mtl_mocs_table;
>                 table->n_entries = MTL_NUM_MOCS_ENTRIES;
>diff --git a/drivers/gpu/drm/i915/gt/intel_rc6.c b/drivers/gpu/drm/i915/gt/intel_rc6.c
>index 86df42cb5823..8b67abd720be 100644
>--- a/drivers/gpu/drm/i915/gt/intel_rc6.c
>+++ b/drivers/gpu/drm/i915/gt/intel_rc6.c
>@@ -123,7 +123,7 @@ static void gen11_rc6_enable(struct intel_rc6 *rc6)
>          * temporary wa and should be removed after fixing real cause
>          * of forcewake timeouts.
>          */
>-        if (IS_METEORLAKE(gt->i915))
>+        if (IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 70), IP_VER(12, 71)))
>                 pg_enable =
>                         GEN9_MEDIA_PG_ENABLE |
>                         GEN11_MEDIA_SAMPLER_PG_ENABLE;
>diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
>index fd6c22aeb670..98575d79c446 100644
>--- a/drivers/gpu/drm/i915/gt/intel_reset.c
>+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
>@@ -705,7 +705,7 @@ static int __reset_guc(struct intel_gt *gt)
> 
> static bool needs_wa_14015076503(struct intel_gt *gt, intel_engine_mask_t engine_mask)
> {
>-        if (!IS_METEORLAKE(gt->i915) || !HAS_ENGINE(gt, GSC0))
>+        if (MEDIA_VER_FULL(gt->i915) != IP_VER(13, 0) || !HAS_ENGINE(gt, GSC0))
>                 return false;
> 
>         if (!__HAS_ENGINE(engine_mask, GSC0))
>diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c
>index 092542f53aad..4feef874e6d6 100644
>--- a/drivers/gpu/drm/i915/gt/intel_rps.c
>+++ b/drivers/gpu/drm/i915/gt/intel_rps.c
>@@ -1161,7 +1161,7 @@ void gen6_rps_get_freq_caps(struct intel_rps *rps, struct intel_rps_freq_caps *c
> {
>         struct drm_i915_private *i915 = rps_to_i915(rps);
> 
>-        if (IS_METEORLAKE(i915))
>+        if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70))
>                 return mtl_get_freq_caps(rps, caps);
>         else
>                 return __gen6_rps_get_freq_caps(rps, caps);
>diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
>index 4de44cf1026d..7a90a2e32c9f 100644
>--- a/drivers/gpu/drm/i915/i915_debugfs.c
>+++ b/drivers/gpu/drm/i915/i915_debugfs.c
>@@ -144,7 +144,7 @@ static const char *i915_cache_level_str(struct drm_i915_gem_object *obj)
> {
>         struct drm_i915_private *i915 = obj_to_i915(obj);
> 
>-        if (IS_METEORLAKE(i915)) {
>+        if (IS_GFX_GT_IP_RANGE(to_gt(i915), IP_VER(12, 70), IP_VER(12, 71))) {
>                 switch (obj->pat_index) {
>                 case 0: return " WB";
>                 case 1: return " WT";
>diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
>index 605e6e4fedf1..018f42fff4cc 100644
>--- a/drivers/gpu/drm/i915/i915_perf.c
>+++ b/drivers/gpu/drm/i915/i915_perf.c
>@@ -3220,11 +3220,10 @@ get_sseu_config(struct intel_sseu *out_sseu,
>  */
> u32 i915_perf_oa_timestamp_frequency(struct drm_i915_private *i915)
> {
>-        /*
>-         * Wa_18013179988:dg2
>-         * Wa_14015846243:mtl
>-         */
>-        if (IS_DG2(i915) || IS_METEORLAKE(i915)) {
>+        struct intel_gt *gt = to_gt(i915);
>+
>+        /* Wa_18013179988 */
>+        if (IS_DG2(i915) || IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 70), IP_VER(12, 71))) {
>                 intel_wakeref_t wakeref;
>                 u32 reg, shift;
> 
>@@ -4507,7 +4506,7 @@ static bool xehp_is_valid_b_counter_addr(struct i915_perf *perf, u32 addr)
> 
> static bool gen12_is_valid_mux_addr(struct i915_perf *perf, u32 addr)
> {
>-        if (IS_METEORLAKE(perf->i915))
>+        if (GRAPHICS_VER_FULL(perf->i915) >= IP_VER(12, 70))
>                 return reg_in_range_table(addr, mtl_oa_mux_regs);
>         else
>                 return reg_in_range_table(addr, gen12_oa_mux_regs);
>-- 
>2.41.0
>




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