From a91da66861084df3521e7e001aa4c49d5ff51879 Mon Sep 17 00:00:00 2001 From: Clint Taylor Date: Tue, 25 Aug 2020 19:57:24 -0700 Subject: [PATCH] drm/i915/gt: Implement WA_1406941453 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Enable HW Default flip for small PL. bspec: 52890 bspec: 53508 bspec: 53273 v2: rebase to drm-tip v3: move from ctx to gt workarounds. Remove whitelist. v4: move to rcs WA init Cc: Matt Atwood Cc: Matt Roper Cc: José Roberto de Souza Signed-off-by: Clint Taylor Reviewed-by: Matt Roper Signed-off-by: José Roberto de Souza Link: https://patchwork.freedesktop.org/patch/msgid/20200826025724.20944-1-clinton.a.taylor@intel.com --- drivers/gpu/drm/i915/gt/intel_workarounds.c | 7 +++++++ drivers/gpu/drm/i915/i915_reg.h | 1 + 2 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index be5a4685c991..7622d8ae1bb9 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -1725,6 +1725,13 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) FF_DOP_CLOCK_GATE_DISABLE); } + if (IS_GEN(i915, 12)) { + /* Wa_1406941453:gen12 */ + wa_masked_en(wal, + GEN10_SAMPLER_MODE, + ENABLE_SMALLPL); + } + if (IS_GEN(i915, 11)) { /* This is not an Wa. Enable for better image quality */ wa_masked_en(wal, diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index ac691927e29d..ab4b1abd4364 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -9315,6 +9315,7 @@ enum { #define GEN11_LSN_UNSLCVC_GAFS_HALF_SF_MAXALLOC (1 << 7) #define GEN10_SAMPLER_MODE _MMIO(0xE18C) +#define ENABLE_SMALLPL REG_BIT(15) #define GEN11_SAMPLER_ENABLE_HEADLESS_MSG REG_BIT(5) /* IVYBRIDGE DPF */