From d1702963ab145eff51c31e5fdc2867e9c5959ad5 Mon Sep 17 00:00:00 2001 From: Matt Roper Date: Fri, 27 Jan 2023 14:43:11 -0800 Subject: [PATCH] drm/i915/tgl: Drop support for pre-production steppings Several post-TGL platforms have been brought up now, so we're well past the point where we usually drop the workarounds that are only applicable to internal/pre-production hardware. Production TGL hardware always has display stepping C0 or later and GT stepping B0 or later (this is true for both the original TGL and the U/Y subplatform). Bspec 44455 Signed-off-by: Matt Roper Reviewed-by: Rodrigo Vivi Link: https://patchwork.freedesktop.org/patch/msgid/20230127224313.4042331-2-matthew.d.roper@intel.com --- drivers/gpu/drm/i915/display/intel_display_power.c | 5 +-- drivers/gpu/drm/i915/display/intel_psr.c | 26 ------------- drivers/gpu/drm/i915/display/skl_universal_plane.c | 2 +- drivers/gpu/drm/i915/gt/intel_workarounds.c | 44 ++-------------------- drivers/gpu/drm/i915/i915_driver.c | 1 + drivers/gpu/drm/i915/i915_drv.h | 8 ---- drivers/gpu/drm/i915/intel_pm.c | 4 -- 7 files changed, 7 insertions(+), 83 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index 1a23ecd..1dc31f0 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -1581,9 +1581,8 @@ static void tgl_bw_buddy_init(struct drm_i915_private *dev_priv) if (IS_ALDERLAKE_S(dev_priv) || IS_DG1_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0) || - IS_RKL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0) || - IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_C0)) - /* Wa_1409767108:tgl,dg1,adl-s */ + IS_RKL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) + /* Wa_1409767108 */ table = wa_1409767108_buddy_page_masks; else table = tgl_buddy_page_masks; diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 06ccef7..2954759 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -591,12 +591,6 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp) if (intel_dp->psr.psr2_sel_fetch_enabled) { u32 tmp; - /* Wa_1408330847 */ - if (IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) - intel_de_rmw(dev_priv, CHICKEN_PAR1_1, - DIS_RAM_BYPASS_PSR2_MAN_TRACK, - DIS_RAM_BYPASS_PSR2_MAN_TRACK); - tmp = intel_de_read(dev_priv, PSR2_MAN_TRK_CTL(intel_dp->psr.transcoder)); drm_WARN_ON(&dev_priv->drm, !(tmp & PSR2_MAN_TRK_CTL_ENABLE)); } else if (HAS_PSR2_SEL_FETCH(dev_priv)) { @@ -765,13 +759,6 @@ static bool intel_psr2_sel_fetch_config_valid(struct intel_dp *intel_dp, return false; } - /* Wa_14010254185 Wa_14010103792 */ - if (IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_C0)) { - drm_dbg_kms(&dev_priv->drm, - "PSR2 sel fetch not enabled, missing the implementation of WAs\n"); - return false; - } - return crtc_state->enable_psr2_sel_fetch = true; } @@ -945,13 +932,6 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp, } } - /* Wa_2209313811 */ - if (!crtc_state->enable_psr2_sel_fetch && - IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_C0)) { - drm_dbg_kms(&dev_priv->drm, "PSR2 HW tracking is not supported this Display stepping\n"); - goto unsupported; - } - if (!psr2_granularity_check(intel_dp, crtc_state)) { drm_dbg_kms(&dev_priv->drm, "PSR2 not enabled, SU granularity not compatible\n"); goto unsupported; @@ -1360,12 +1340,6 @@ static void intel_psr_disable_locked(struct intel_dp *intel_dp) intel_psr_exit(intel_dp); intel_psr_wait_exit_locked(intel_dp); - /* Wa_1408330847 */ - if (intel_dp->psr.psr2_sel_fetch_enabled && - IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) - intel_de_rmw(dev_priv, CHICKEN_PAR1_1, - DIS_RAM_BYPASS_PSR2_MAN_TRACK, 0); - /* * Wa_16013835468 * Wa_14015648006 diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c index 40b2801..ce55b8f 100644 --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c @@ -2182,7 +2182,7 @@ static bool gen12_plane_has_mc_ccs(struct drm_i915_private *i915, if (DISPLAY_VER(i915) < 12) return false; - /* Wa_14010477008:tgl[a0..c0],rkl[all],dg1[all] */ + /* Wa_14010477008 */ if (IS_DG1(i915) || IS_ROCKETLAKE(i915) || IS_TGL_DISPLAY_STEP(i915, STEP_A0, STEP_D0)) return false; diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 6dacd0d..72ab54b 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -1441,31 +1441,6 @@ gen12_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) } static void -tgl_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) -{ - struct drm_i915_private *i915 = gt->i915; - - gen12_gt_workarounds_init(gt, wal); - - /* Wa_1409420604:tgl */ - if (IS_TGL_UY_GRAPHICS_STEP(i915, STEP_A0, STEP_B0)) - wa_mcr_write_or(wal, - SUBSLICE_UNIT_LEVEL_CLKGATE2, - CPSSUNIT_CLKGATE_DIS); - - /* Wa_1607087056:tgl also know as BUG:1409180338 */ - if (IS_TGL_UY_GRAPHICS_STEP(i915, STEP_A0, STEP_B0)) - wa_write_or(wal, - GEN11_SLICE_UNIT_LEVEL_CLKGATE, - L3_CLKGATE_DIS | L3_CR2X_CLKGATE_DIS); - - /* Wa_1408615072:tgl[a0] */ - if (IS_TGL_UY_GRAPHICS_STEP(i915, STEP_A0, STEP_B0)) - wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE2, - VSUNIT_CLKGATE_DIS_TGL); -} - -static void dg1_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) { struct drm_i915_private *i915 = gt->i915; @@ -1700,8 +1675,6 @@ gt_init_workarounds(struct intel_gt *gt, struct i915_wa_list *wal) xehpsdv_gt_workarounds_init(gt, wal); else if (IS_DG1(i915)) dg1_gt_workarounds_init(gt, wal); - else if (IS_TIGERLAKE(i915)) - tgl_gt_workarounds_init(gt, wal); else if (GRAPHICS_VER(i915) == 12) gen12_gt_workarounds_init(gt, wal); else if (GRAPHICS_VER(i915) == 11) @@ -2450,27 +2423,16 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) true); } - if (IS_DG1_GRAPHICS_STEP(i915, STEP_A0, STEP_B0) || - IS_TGL_UY_GRAPHICS_STEP(i915, STEP_A0, STEP_B0)) { + if (IS_DG1_GRAPHICS_STEP(i915, STEP_A0, STEP_B0)) { /* - * Wa_1607138336:tgl[a0],dg1[a0] - * Wa_1607063988:tgl[a0],dg1[a0] + * Wa_1607138336 + * Wa_1607063988 */ wa_write_or(wal, GEN9_CTX_PREEMPT_REG, GEN12_DISABLE_POSH_BUSY_FF_DOP_CG); } - if (IS_TGL_UY_GRAPHICS_STEP(i915, STEP_A0, STEP_B0)) { - /* - * Wa_1606679103:tgl - * (see also Wa_1606682166:icl) - */ - wa_write_or(wal, - GEN7_SARCHKMD, - GEN7_DISABLE_SAMPLER_PREFETCH); - } - if (IS_ALDERLAKE_P(i915) || IS_ALDERLAKE_S(i915) || IS_DG1(i915) || IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) { /* Wa_1606931601:tgl,rkl,dg1,adl-s,adl-p */ diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c index 457b1e1..9e17ed1 100644 --- a/drivers/gpu/drm/i915/i915_driver.c +++ b/drivers/gpu/drm/i915/i915_driver.c @@ -167,6 +167,7 @@ static void intel_detect_preproduction_hw(struct drm_i915_private *dev_priv) pre |= IS_KABYLAKE(dev_priv) && INTEL_REVID(dev_priv) < 0x1; pre |= IS_GEMINILAKE(dev_priv) && INTEL_REVID(dev_priv) < 0x3; pre |= IS_ICELAKE(dev_priv) && INTEL_REVID(dev_priv) < 0x7; + pre |= IS_TIGERLAKE(dev_priv) && INTEL_REVID(dev_priv) < 0x1; if (pre) { drm_err(&dev_priv->drm, "This is a pre-production stepping. " diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 48c838b..62cc0f7 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -653,14 +653,6 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, (IS_TIGERLAKE(__i915) && \ IS_DISPLAY_STEP(__i915, since, until)) -#define IS_TGL_UY_GRAPHICS_STEP(__i915, since, until) \ - (IS_TGL_UY(__i915) && \ - IS_GRAPHICS_STEP(__i915, since, until)) - -#define IS_TGL_GRAPHICS_STEP(__i915, since, until) \ - (IS_TIGERLAKE(__i915) && !IS_TGL_UY(__i915)) && \ - IS_GRAPHICS_STEP(__i915, since, until)) - #define IS_RKL_DISPLAY_STEP(p, since, until) \ (IS_ROCKETLAKE(p) && IS_DISPLAY_STEP(p, since, until)) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 3fc65bd1..c6676f1 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4336,10 +4336,6 @@ static void gen12lp_init_clock_gating(struct drm_i915_private *dev_priv) intel_uncore_write(&dev_priv->uncore, ILK_DPFC_CHICKEN(INTEL_FBC_A), DPFC_CHICKEN_COMP_DUMMY_PIXEL); - /* Wa_1409825376:tgl (pre-prod)*/ - if (IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_C0)) - intel_uncore_rmw(&dev_priv->uncore, GEN9_CLKGATE_DIS_3, 0, TGL_VRH_GATING_DIS); - /* Wa_14013723622:tgl,rkl,dg1,adl-s */ if (DISPLAY_VER(dev_priv) == 12) intel_uncore_rmw(&dev_priv->uncore, CLKREQ_POLICY, -- 2.7.4