From dbff5a8db9c630f61a892ab41a283445e01270f5 Mon Sep 17 00:00:00 2001 From: Matt Roper Date: Tue, 14 Apr 2020 14:11:17 -0700 Subject: [PATCH] drm/i915/tgl: Add Wa_14010477008:tgl MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Media decompression support should not be advertised on any display planes for steppings A0-C0. Bspec: 53273 Fixes: 2dfbf9d2873a ("drm/i915/tgl: Gen-12 display can decompress surfaces compressed by the media engine") Cc: Matt Atwood Signed-off-by: Matt Roper Link: https://patchwork.freedesktop.org/patch/msgid/20200414211118.2787489-3-matthew.d.roper@intel.com Reviewed-by: José Roberto de Souza --- drivers/gpu/drm/i915/display/intel_sprite.c | 17 ++++++++++++----- drivers/gpu/drm/i915/i915_drv.h | 2 ++ 2 files changed, 14 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c index deda351719db..33d886141138 100644 --- a/drivers/gpu/drm/i915/display/intel_sprite.c +++ b/drivers/gpu/drm/i915/display/intel_sprite.c @@ -2817,19 +2817,25 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane, } } -static bool gen12_plane_supports_mc_ccs(enum plane_id plane_id) +static bool gen12_plane_supports_mc_ccs(struct drm_i915_private *dev_priv, + enum plane_id plane_id) { + /* Wa_14010477008:tgl[a0..c0] */ + if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_C0)) + return false; + return plane_id < PLANE_SPRITE4; } static bool gen12_plane_format_mod_supported(struct drm_plane *_plane, u32 format, u64 modifier) { + struct drm_i915_private *dev_priv = to_i915(_plane->dev); struct intel_plane *plane = to_intel_plane(_plane); switch (modifier) { case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: - if (!gen12_plane_supports_mc_ccs(plane->id)) + if (!gen12_plane_supports_mc_ccs(dev_priv, plane->id)) return false; /* fall through */ case DRM_FORMAT_MOD_LINEAR: @@ -2998,9 +3004,10 @@ static const u32 *icl_get_plane_formats(struct drm_i915_private *dev_priv, } } -static const u64 *gen12_get_plane_modifiers(enum plane_id plane_id) +static const u64 *gen12_get_plane_modifiers(struct drm_i915_private *dev_priv, + enum plane_id plane_id) { - if (gen12_plane_supports_mc_ccs(plane_id)) + if (gen12_plane_supports_mc_ccs(dev_priv, plane_id)) return gen12_plane_format_modifiers_mc_ccs; else return gen12_plane_format_modifiers_rc_ccs; @@ -3070,7 +3077,7 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv, plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe, plane_id); if (INTEL_GEN(dev_priv) >= 12) { - modifiers = gen12_get_plane_modifiers(plane_id); + modifiers = gen12_get_plane_modifiers(dev_priv, plane_id); plane_funcs = &gen12_plane_funcs; } else { if (plane->has_ccs) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 96d5c4ba99c4..2f3fff648f08 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1505,6 +1505,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, (IS_ICELAKE(p) && IS_REVID(p, since, until)) #define TGL_REVID_A0 0x0 +#define TGL_REVID_B0 0x1 +#define TGL_REVID_C0 0x2 #define IS_TGL_REVID(p, since, until) \ (IS_TIGERLAKE(p) && IS_REVID(p, since, until)) -- 2.30.2