[v2,3/9] drm/i915: Introduce plane->can_async_flip()

Message ID	20241202141424.21446-4-ville.syrjala@linux.intel.com (mailing list archive)
State	New
Headers	show Return-Path: <intel-gfx-bounces@lists.freedesktop.org> From: Ville Syrjala <ville.syrjala@linux.intel.com> To: intel-gfx@lists.freedesktop.org Cc: =?utf-8?q?Jouni_H=C3=B6gander?= <jouni.hogander@intel.com> Subject: [PATCH v2 3/9] drm/i915: Introduce plane->can_async_flip() Date: Mon, 2 Dec 2024 16:14:18 +0200 Message-ID: <20241202141424.21446-4-ville.syrjala@linux.intel.com> In-Reply-To: <20241202141424.21446-1-ville.syrjala@linux.intel.com> References: <20241202141424.21446-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: list Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
Series	drm/i915: Async flip + compression, and some plane cleanups \| expand [v2,0/9] drm/i915: Async flip + compression, and some plane cleanups [v2,1/9] drm/i915: Allow async flips with render compression on TGL+ [v2,2/9] drm/i915: Allow async flips with compression on ICL [v2,3/9] drm/i915: Introduce plane->can_async_flip() [v2,4/9] drm/i915: Use plane->can_async_flip() for alignment exceptions [v2,5/9] drm/i915: Reuse vlv_primary_min_alignment() for sprites as well [v2,6/9] drm/i915: Disable scanout VT-d workaround for TGL+ [v2,7/9] drm/i915: Nuke ADL pre-production Wa_22011186057 [v2,8/9] drm/i915: Relocate xe AUX hack [v2,9/9] drm/i915: Carve up skl_get_plane_caps()

diff --git a/drivers/gpu/drm/i915/display/i9xx_plane.c b/drivers/gpu/drm/i915/display/i9xx_plane.c index 17a1e3801a85..7455da863a26 100644 --- a/drivers/gpu/drm/i915/display/i9xx_plane.c +++ b/drivers/gpu/drm/i915/display/i9xx_plane.c @@ -672,6 +672,11 @@ vlv_primary_disable_flip_done(struct intel_plane *plane) spin_unlock_irq(&i915->irq_lock); } +static bool i9xx_plane_can_async_flip(u64 modifier) +{ + return modifier == I915_FORMAT_MOD_X_TILED; +} + static bool i9xx_plane_get_hw_state(struct intel_plane *plane, enum pipe *pipe) { @@ -958,19 +963,23 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) plane->async_flip = vlv_primary_async_flip; plane->enable_flip_done = vlv_primary_enable_flip_done; plane->disable_flip_done = vlv_primary_disable_flip_done; + plane->can_async_flip = i9xx_plane_can_async_flip; } else if (IS_BROADWELL(dev_priv)) { plane->need_async_flip_toggle_wa = true; plane->async_flip = g4x_primary_async_flip; plane->enable_flip_done = bdw_primary_enable_flip_done; plane->disable_flip_done = bdw_primary_disable_flip_done; + plane->can_async_flip = i9xx_plane_can_async_flip; } else if (DISPLAY_VER(dev_priv) >= 7) { plane->async_flip = g4x_primary_async_flip; plane->enable_flip_done = ivb_primary_enable_flip_done; plane->disable_flip_done = ivb_primary_disable_flip_done; + plane->can_async_flip = i9xx_plane_can_async_flip; } else if (DISPLAY_VER(dev_priv) >= 5) { plane->async_flip = g4x_primary_async_flip; plane->enable_flip_done = ilk_primary_enable_flip_done; plane->disable_flip_done = ilk_primary_disable_flip_done; + plane->can_async_flip = i9xx_plane_can_async_flip; } modifiers = intel_fb_plane_get_modifiers(dev_priv, INTEL_PLANE_CAP_TILING_X); diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c index d89630b2d5c1..c9e8e604d40c 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c @@ -155,6 +155,11 @@ bool intel_plane_needs_physical(struct intel_plane *plane) DISPLAY_INFO(i915)->cursor_needs_physical; } +bool intel_plane_can_async_flip(struct intel_plane *plane, u64 modifier) +{ + return plane->can_async_flip && plane->can_async_flip(modifier); +} + unsigned int intel_adjusted_rate(const struct drm_rect *src, const struct drm_rect *dst, unsigned int rate) diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.h b/drivers/gpu/drm/i915/display/intel_atomic_plane.h index 0f982f452ff3..fb87b3353ab0 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.h +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.h @@ -19,6 +19,7 @@ struct intel_plane; struct intel_plane_state; enum plane_id; +bool intel_plane_can_async_flip(struct intel_plane *plane, u64 modifier); unsigned int intel_adjusted_rate(const struct drm_rect *src, const struct drm_rect *dst, unsigned int rate); diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 8b19008202e5..ead37c5e51f8 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -6515,58 +6515,7 @@ static int intel_async_flip_check_hw(struct intel_atomic_state *state, struct in if (!plane->async_flip) continue; - /* - * FIXME: This check is kept generic for all platforms. - * Need to verify this for all gen9 platforms to enable - * this selectively if required. - */ - switch (new_plane_state->hw.fb->modifier) { - case DRM_FORMAT_MOD_LINEAR: - /* - * FIXME: Async on Linear buffer is supported on ICL as - * but with additional alignment and fbc restrictions - * need to be taken care of. These aren't applicable for - * gen12+. - */ - if (DISPLAY_VER(i915) < 12) { - drm_dbg_kms(&i915->drm, - "[PLANE:%d:%s] Modifier 0x%llx does not support async flip on display ver %d\n", - plane->base.base.id, plane->base.name, - new_plane_state->hw.fb->modifier, DISPLAY_VER(i915)); - return -EINVAL; - } - break; - case I915_FORMAT_MOD_Y_TILED_CCS: - case I915_FORMAT_MOD_Yf_TILED_CCS: - /* - * Display WA #0731: skl - * WaDisableRCWithAsyncFlip: skl - * "When render decompression is enabled, hardware - * internally converts the Async flips to Sync flips." - * - * Display WA #1159: glk - * "Async flip with render compression may result in - * intermittent underrun corruption." - */ - if (DISPLAY_VER(i915) < 11) { - drm_dbg_kms(&i915->drm, - "[PLANE:%d:%s] Modifier 0x%llx does not support async flip on display ver %d\n", - plane->base.base.id, plane->base.name, - new_plane_state->hw.fb->modifier, DISPLAY_VER(i915)); - return -EINVAL; - } - break; - case I915_FORMAT_MOD_X_TILED: - case I915_FORMAT_MOD_Y_TILED: - case I915_FORMAT_MOD_Yf_TILED: - case I915_FORMAT_MOD_4_TILED: - case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: - case I915_FORMAT_MOD_4_TILED_MTL_RC_CCS: - case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS: - case I915_FORMAT_MOD_4_TILED_BMG_CCS: - case I915_FORMAT_MOD_4_TILED_LNL_CCS: - break; - default: + if (!intel_plane_can_async_flip(plane, new_plane_state->hw.fb->modifier)) { drm_dbg_kms(&i915->drm, "[PLANE:%d:%s] Modifier 0x%llx does not support async flip\n", plane->base.base.id, plane->base.name, diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index ec68bbfed442..d1c9eab5b7c3 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1467,6 +1467,7 @@ struct intel_plane { unsigned int (*max_stride)(struct intel_plane *plane, u32 pixel_format, u64 modifier, unsigned int rotation); + bool (*can_async_flip)(u64 modifier); /* Write all non-self arming plane registers */ void (*update_noarm)(struct intel_dsb *dsb, struct intel_plane *plane, diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c index 8621c539c110..c373b1c6babd 100644 --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c @@ -516,6 +516,79 @@ skl_plane_max_stride(struct intel_plane *plane, max_pixels, max_bytes); } +static bool tgl_plane_can_async_flip(u64 modifier) +{ + switch (modifier) { + case DRM_FORMAT_MOD_LINEAR: + case I915_FORMAT_MOD_X_TILED: + case I915_FORMAT_MOD_Y_TILED: + case I915_FORMAT_MOD_4_TILED: + case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: + case I915_FORMAT_MOD_4_TILED_MTL_RC_CCS: + case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS: + case I915_FORMAT_MOD_4_TILED_BMG_CCS: + case I915_FORMAT_MOD_4_TILED_LNL_CCS: + return true; + case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: + case I915_FORMAT_MOD_4_TILED_MTL_MC_CCS: + case I915_FORMAT_MOD_4_TILED_DG2_MC_CCS: + case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC: + case I915_FORMAT_MOD_4_TILED_MTL_RC_CCS_CC: + case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS_CC: + return false; + default: + return false; + } +} + +static bool icl_plane_can_async_flip(u64 modifier) +{ + switch (modifier) { + case DRM_FORMAT_MOD_LINEAR: + /* + * FIXME: Async on Linear buffer is supported on ICL + * but with additional alignment and fbc restrictions + * need to be taken care of. + */ + return false; + case I915_FORMAT_MOD_X_TILED: + case I915_FORMAT_MOD_Y_TILED: + case I915_FORMAT_MOD_Yf_TILED: + case I915_FORMAT_MOD_Y_TILED_CCS: + case I915_FORMAT_MOD_Yf_TILED_CCS: + return true; + default: + return false; + } +} + +static bool skl_plane_can_async_flip(u64 modifier) +{ + switch (modifier) { + case DRM_FORMAT_MOD_LINEAR: + return false; + case I915_FORMAT_MOD_X_TILED: + case I915_FORMAT_MOD_Y_TILED: + case I915_FORMAT_MOD_Yf_TILED: + return true; + case I915_FORMAT_MOD_Y_TILED_CCS: + case I915_FORMAT_MOD_Yf_TILED_CCS: + /* + * Display WA #0731: skl + * WaDisableRCWithAsyncFlip: skl + * "When render decompression is enabled, hardware + * internally converts the Async flips to Sync flips." + * + * Display WA #1159: glk + * "Async flip with render compression may result in + * intermittent underrun corruption." + */ + return false; + default: + return false; + } +} + static u32 tgl_plane_min_alignment(struct intel_plane *plane, const struct drm_framebuffer *fb, int color_plane) @@ -2653,6 +2726,13 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv, plane->async_flip = skl_plane_async_flip; plane->enable_flip_done = skl_plane_enable_flip_done; plane->disable_flip_done = skl_plane_disable_flip_done; + + if (DISPLAY_VER(dev_priv) >= 12) + plane->can_async_flip = tgl_plane_can_async_flip; + else if (DISPLAY_VER(dev_priv) == 11) + plane->can_async_flip = icl_plane_can_async_flip; + else + plane->can_async_flip = skl_plane_can_async_flip; } if (DISPLAY_VER(dev_priv) >= 11)

[v2,3/9] drm/i915: Introduce plane->can_async_flip()

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