From ce110ec311e9feae0905c24078146a2adbca877e Mon Sep 17 00:00:00 2001 From: Ville Syrjälä Date: Wed, 14 Nov 2018 23:07:21 +0200 Subject: drm/i915: Fix latency==0 handling for level 0 watermark on skl+ MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit If the level 0 latency is 0 we can't do anything. Return an error rather than success. While this can't happen due to WaWmMemoryReadLatency, it can happen if the user clears out the level 0 latency via debugfs. v2: Clarify how how we can end here with zero level 0 latency (Matt) Cc: Matt Roper Reviewed-by: Rodrigo Vivi Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20181114210729.16185-6-ville.syrjala@linux.intel.com Reviewed-by: Matt Roper Reviewed-by: Maarten Lankhorst --- drivers/gpu/drm/i915/intel_pm.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/i915/intel_pm.c') diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 897a791662c5..d94de52a8a76 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4743,8 +4743,10 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv, bool apply_memory_bw_wa = skl_needs_memory_bw_wa(state); uint32_t min_disp_buf_needed; - if (latency == 0 || - !intel_wm_plane_visible(cstate, intel_pstate)) { + if (latency == 0) + return level == 0 ? -EINVAL : 0; + + if (!intel_wm_plane_visible(cstate, intel_pstate)) { result->plane_en = false; return 0; } -- cgit v1.2.3 From 14a43062b90383f2cb0e634ff31f0bb7fa02cd1c Mon Sep 17 00:00:00 2001 From: Ville Syrjälä Date: Wed, 14 Nov 2018 23:07:22 +0200 Subject: drm/i915: Remove some useless zeroing on skl+ wm calculations MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We memset(0) the entire watermark struct the start, so there's no need to clear things later on. v2: Rebase due to some stale w/a removal Reviewed-by: Rodrigo Vivi Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20181114210729.16185-7-ville.syrjala@linux.intel.com Reviewed-by: Matt Roper Reviewed-by: Maarten Lankhorst --- drivers/gpu/drm/i915/intel_pm.c | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) (limited to 'drivers/gpu/drm/i915/intel_pm.c') diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index d94de52a8a76..54bf619b3185 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4746,10 +4746,8 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv, if (latency == 0) return level == 0 ? -EINVAL : 0; - if (!intel_wm_plane_visible(cstate, intel_pstate)) { - result->plane_en = false; + if (!intel_wm_plane_visible(cstate, intel_pstate)) return 0; - } /* Display WA #1141: kbl,cfl */ if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv) || @@ -4846,8 +4844,6 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv, if ((level > 0 && res_lines > 31) || res_blocks >= ddb_allocation || min_disp_buf_needed >= ddb_allocation) { - result->plane_en = false; - /* * If there are no valid level 0 watermarks, then we can't * support this display configuration. @@ -4949,15 +4945,15 @@ static void skl_compute_transition_wm(const struct intel_crtc_state *cstate, uint16_t wm0_sel_res_b, trans_offset_b, res_blocks; if (!cstate->base.active) - goto exit; + return; /* Transition WM are not recommended by HW team for GEN9 */ if (INTEL_GEN(dev_priv) <= 9) - goto exit; + return; /* Transition WM don't make any sense if ipc is disabled */ if (!dev_priv->ipc_enabled) - goto exit; + return; trans_min = 14; if (INTEL_GEN(dev_priv) >= 11) @@ -4996,11 +4992,7 @@ static void skl_compute_transition_wm(const struct intel_crtc_state *cstate, if (res_blocks < ddb_allocation) { trans_wm->plane_res_b = res_blocks; trans_wm->plane_en = true; - return; } - -exit: - trans_wm->plane_en = false; } static int __skl_build_plane_wm_single(struct skl_ddb_allocation *ddb, -- cgit v1.2.3 From 6a3c910b081d90fc7fddf771b249ff0059d5005c Mon Sep 17 00:00:00 2001 From: Ville Syrjälä Date: Wed, 14 Nov 2018 23:07:23 +0200 Subject: drm/i915: Pass the entire skl_plane_wm to skl_compute_transition_wm() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We have to pass both level 0 watermark struct and the transition watermark struct to skl_compute_transition_wm(). Make life less confusing by just passing the entire plane watermark struct that contains both aforementioned structures. Cc: Matt Roper Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20181114210729.16185-8-ville.syrjala@linux.intel.com Reviewed-by: Matt Roper Reviewed-by: Maarten Lankhorst --- drivers/gpu/drm/i915/intel_pm.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) (limited to 'drivers/gpu/drm/i915/intel_pm.c') diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 54bf619b3185..db28fc547c65 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4933,10 +4933,9 @@ skl_compute_linetime_wm(const struct intel_crtc_state *cstate) } static void skl_compute_transition_wm(const struct intel_crtc_state *cstate, - struct skl_wm_params *wp, - struct skl_wm_level *wm_l0, - uint16_t ddb_allocation, - struct skl_wm_level *trans_wm /* out */) + const struct skl_wm_params *wp, + struct skl_plane_wm *wm, + uint16_t ddb_allocation) { struct drm_device *dev = cstate->base.crtc->dev; const struct drm_i915_private *dev_priv = to_i915(dev); @@ -4971,7 +4970,7 @@ static void skl_compute_transition_wm(const struct intel_crtc_state *cstate, * Result Blocks is Result Blocks minus 1 and it should work for the * current platforms. */ - wm0_sel_res_b = wm_l0->plane_res_b - 1; + wm0_sel_res_b = wm->wm[0].plane_res_b - 1; if (wp->y_tiled) { trans_y_tile_min = (uint16_t) mul_round_up_u32_fixed16(2, @@ -4990,8 +4989,8 @@ static void skl_compute_transition_wm(const struct intel_crtc_state *cstate, res_blocks += 1; if (res_blocks < ddb_allocation) { - trans_wm->plane_res_b = res_blocks; - trans_wm->plane_en = true; + wm->trans_wm.plane_res_b = res_blocks; + wm->trans_wm.plane_en = true; } } @@ -5020,8 +5019,7 @@ static int __skl_build_plane_wm_single(struct skl_ddb_allocation *ddb, if (ret) return ret; - skl_compute_transition_wm(cstate, &wm_params, &wm->wm[0], - ddb_blocks, &wm->trans_wm); + skl_compute_transition_wm(cstate, &wm_params, wm, ddb_blocks); return 0; } -- cgit v1.2.3 From 8315847bf4df9290042f0d8bce3b1a2d303afe80 Mon Sep 17 00:00:00 2001 From: Ville Syrjälä Date: Tue, 27 Nov 2018 18:57:26 +0200 Subject: drm/i915: Clean up skl+ vs. icl+ watermark computation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Make a cleaner split between the skl+ and icl+ ways of computing watermarks. This way skl_build_pipe_wm() doesn't have to know any of the gritty details of icl+ master/slave planes. We can also simplify a bunch of the lower level code by pulling the plane visibility checks a bit higher up. v2: WARN_ON(!visible) for the icl+ master plane case (Matt) Cc: Matt Roper Reviewed-by: Maarten Lankhorst Reviewed-by: Matt Roper Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20181127165726.31122-1-ville.syrjala@linux.intel.com --- drivers/gpu/drm/i915/intel_pm.c | 169 ++++++++++++++++++++++------------------ 1 file changed, 92 insertions(+), 77 deletions(-) (limited to 'drivers/gpu/drm/i915/intel_pm.c') diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index db28fc547c65..99f825d1c2e7 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4630,9 +4630,6 @@ skl_compute_plane_wm_params(const struct drm_i915_private *dev_priv, to_intel_atomic_state(cstate->base.state); bool apply_memory_bw_wa = skl_needs_memory_bw_wa(state); - if (!intel_wm_plane_visible(cstate, intel_pstate)) - return 0; - /* only NV12 format has two planes */ if (plane_id == 1 && fb->format->format != DRM_FORMAT_NV12) { DRM_DEBUG_KMS("Non NV12 format have single plane\n"); @@ -4746,9 +4743,6 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv, if (latency == 0) return level == 0 ? -EINVAL : 0; - if (!intel_wm_plane_visible(cstate, intel_pstate)) - return 0; - /* Display WA #1141: kbl,cfl */ if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv) || IS_CNL_REVID(dev_priv, CNL_REVID_A0, CNL_REVID_B0)) && @@ -4871,21 +4865,16 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv, static int skl_compute_wm_levels(const struct drm_i915_private *dev_priv, - struct skl_ddb_allocation *ddb, const struct intel_crtc_state *cstate, const struct intel_plane_state *intel_pstate, uint16_t ddb_blocks, const struct skl_wm_params *wm_params, - struct skl_plane_wm *wm, struct skl_wm_level *levels) { int level, max_level = ilk_wm_max_level(dev_priv); struct skl_wm_level *result_prev = &levels[0]; int ret; - if (WARN_ON(!intel_pstate->base.fb)) - return -EINVAL; - for (level = 0; level <= max_level; level++) { struct skl_wm_level *result = &levels[level]; @@ -4903,9 +4892,6 @@ skl_compute_wm_levels(const struct drm_i915_private *dev_priv, result_prev = result; } - if (intel_pstate->base.fb->format->format == DRM_FORMAT_NV12) - wm->is_planar = true; - return 0; } @@ -4943,9 +4929,6 @@ static void skl_compute_transition_wm(const struct intel_crtc_state *cstate, const uint16_t trans_amount = 10; /* This is configurable amount */ uint16_t wm0_sel_res_b, trans_offset_b, res_blocks; - if (!cstate->base.active) - return; - /* Transition WM are not recommended by HW team for GEN9 */ if (INTEL_GEN(dev_priv) <= 9) return; @@ -4994,97 +4977,135 @@ static void skl_compute_transition_wm(const struct intel_crtc_state *cstate, } } -static int __skl_build_plane_wm_single(struct skl_ddb_allocation *ddb, - struct skl_pipe_wm *pipe_wm, - enum plane_id plane_id, - const struct intel_crtc_state *cstate, - const struct intel_plane_state *pstate, - int color_plane) +static int skl_build_plane_wm_single(struct skl_ddb_allocation *ddb, + struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state, + enum plane_id plane_id, int color_plane) { - struct drm_i915_private *dev_priv = to_i915(pstate->base.plane->dev); - struct skl_plane_wm *wm = &pipe_wm->planes[plane_id]; - enum pipe pipe = to_intel_plane(pstate->base.plane)->pipe; + struct intel_plane *plane = to_intel_plane(plane_state->base.plane); + struct drm_i915_private *dev_priv = to_i915(plane->base.dev); + struct skl_plane_wm *wm = &crtc_state->wm.skl.optimal.planes[plane_id]; struct skl_wm_params wm_params; + enum pipe pipe = plane->pipe; uint16_t ddb_blocks = skl_ddb_entry_size(&ddb->plane[pipe][plane_id]); int ret; - ret = skl_compute_plane_wm_params(dev_priv, cstate, pstate, + ret = skl_compute_plane_wm_params(dev_priv, crtc_state, plane_state, &wm_params, color_plane); if (ret) return ret; - ret = skl_compute_wm_levels(dev_priv, ddb, cstate, pstate, - ddb_blocks, &wm_params, wm, wm->wm); - + ret = skl_compute_wm_levels(dev_priv, crtc_state, plane_state, + ddb_blocks, &wm_params, wm->wm); if (ret) return ret; - skl_compute_transition_wm(cstate, &wm_params, wm, ddb_blocks); + skl_compute_transition_wm(crtc_state, &wm_params, wm, ddb_blocks); return 0; } -static int skl_build_plane_wm_single(struct skl_ddb_allocation *ddb, - struct skl_pipe_wm *pipe_wm, - const struct intel_crtc_state *cstate, - const struct intel_plane_state *pstate) -{ - enum plane_id plane_id = to_intel_plane(pstate->base.plane)->id; - - return __skl_build_plane_wm_single(ddb, pipe_wm, plane_id, cstate, pstate, 0); -} - -static int skl_build_plane_wm_planar(struct skl_ddb_allocation *ddb, - struct skl_pipe_wm *pipe_wm, - const struct intel_crtc_state *cstate, - const struct intel_plane_state *pstate) +static int skl_build_plane_wm_uv(struct skl_ddb_allocation *ddb, + struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state, + enum plane_id plane_id) { - struct intel_plane *plane = to_intel_plane(pstate->base.plane); + struct intel_plane *plane = to_intel_plane(plane_state->base.plane); struct drm_i915_private *dev_priv = to_i915(plane->base.dev); - enum plane_id plane_id = plane->id; - struct skl_plane_wm *wm = &pipe_wm->planes[plane_id]; + struct skl_plane_wm *wm = &crtc_state->wm.skl.optimal.planes[plane_id]; struct skl_wm_params wm_params; enum pipe pipe = plane->pipe; - uint16_t ddb_blocks = skl_ddb_entry_size(&ddb->plane[pipe][plane_id]); + uint16_t ddb_blocks = skl_ddb_entry_size(&ddb->uv_plane[pipe][plane_id]); int ret; - ret = __skl_build_plane_wm_single(ddb, pipe_wm, plane_id, cstate, pstate, 0); - if (ret) - return ret; + wm->is_planar = true; /* uv plane watermarks must also be validated for NV12/Planar */ - ddb_blocks = skl_ddb_entry_size(&ddb->uv_plane[pipe][plane_id]); + ret = skl_compute_plane_wm_params(dev_priv, crtc_state, plane_state, + &wm_params, 1); + if (ret) + return ret; - ret = skl_compute_plane_wm_params(dev_priv, cstate, pstate, &wm_params, 1); + ret = skl_compute_wm_levels(dev_priv, crtc_state, plane_state, + ddb_blocks, &wm_params, wm->uv_wm); if (ret) return ret; - return skl_compute_wm_levels(dev_priv, ddb, cstate, pstate, - ddb_blocks, &wm_params, wm, wm->uv_wm); + return 0; } -static int icl_build_plane_wm_planar(struct skl_ddb_allocation *ddb, - struct skl_pipe_wm *pipe_wm, - const struct intel_crtc_state *cstate, - const struct intel_plane_state *pstate) +static int skl_build_plane_wm(struct skl_ddb_allocation *ddb, + struct skl_pipe_wm *pipe_wm, + struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state) { + struct intel_plane *plane = to_intel_plane(plane_state->base.plane); + const struct drm_framebuffer *fb = plane_state->base.fb; + enum plane_id plane_id = plane->id; int ret; - enum plane_id y_plane_id = pstate->linked_plane->id; - enum plane_id uv_plane_id = to_intel_plane(pstate->base.plane)->id; - ret = __skl_build_plane_wm_single(ddb, pipe_wm, y_plane_id, - cstate, pstate, 0); + if (!intel_wm_plane_visible(crtc_state, plane_state)) + return 0; + + ret = skl_build_plane_wm_single(ddb, crtc_state, plane_state, + plane_id, 0); if (ret) return ret; - return __skl_build_plane_wm_single(ddb, pipe_wm, uv_plane_id, - cstate, pstate, 1); + if (fb->format->is_yuv && fb->format->num_planes > 1) { + ret = skl_build_plane_wm_uv(ddb, crtc_state, plane_state, + plane_id); + if (ret) + return ret; + } + + return 0; +} + +static int icl_build_plane_wm(struct skl_ddb_allocation *ddb, + struct skl_pipe_wm *pipe_wm, + struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state) +{ + enum plane_id plane_id = to_intel_plane(plane_state->base.plane)->id; + int ret; + + /* Watermarks calculated in master */ + if (plane_state->slave) + return 0; + + if (plane_state->linked_plane) { + const struct drm_framebuffer *fb = plane_state->base.fb; + enum plane_id y_plane_id = plane_state->linked_plane->id; + + WARN_ON(!intel_wm_plane_visible(crtc_state, plane_state)); + WARN_ON(!fb->format->is_yuv || + fb->format->num_planes == 1); + + ret = skl_build_plane_wm_single(ddb, crtc_state, plane_state, + y_plane_id, 0); + if (ret) + return ret; + + ret = skl_build_plane_wm_single(ddb, crtc_state, plane_state, + plane_id, 1); + if (ret) + return ret; + } else if (intel_wm_plane_visible(crtc_state, plane_state)) { + ret = skl_build_plane_wm_single(ddb, crtc_state, plane_state, + plane_id, 0); + if (ret) + return ret; + } + + return 0; } static int skl_build_pipe_wm(struct intel_crtc_state *cstate, struct skl_ddb_allocation *ddb, struct skl_pipe_wm *pipe_wm) { + struct drm_i915_private *dev_priv = to_i915(cstate->base.crtc->dev); struct drm_crtc_state *crtc_state = &cstate->base; struct drm_plane *plane; const struct drm_plane_state *pstate; @@ -5100,18 +5121,12 @@ static int skl_build_pipe_wm(struct intel_crtc_state *cstate, const struct intel_plane_state *intel_pstate = to_intel_plane_state(pstate); - /* Watermarks calculated in master */ - if (intel_pstate->slave) - continue; - - if (intel_pstate->linked_plane) - ret = icl_build_plane_wm_planar(ddb, pipe_wm, cstate, intel_pstate); - else if (intel_pstate->base.fb && - intel_pstate->base.fb->format->format == DRM_FORMAT_NV12) - ret = skl_build_plane_wm_planar(ddb, pipe_wm, cstate, intel_pstate); + if (INTEL_GEN(dev_priv) >= 11) + ret = icl_build_plane_wm(ddb, pipe_wm, + cstate, intel_pstate); else - ret = skl_build_plane_wm_single(ddb, pipe_wm, cstate, intel_pstate); - + ret = skl_build_plane_wm(ddb, pipe_wm, + cstate, intel_pstate); if (ret) return ret; } -- cgit v1.2.3 From 51de9c6d25594f70c0a03466546ca3deb9705d0e Mon Sep 17 00:00:00 2001 From: Ville Syrjälä Date: Wed, 14 Nov 2018 23:07:25 +0200 Subject: drm/i915: Don't pass dev_priv around so much MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Simplify the calling convention of the skl+ watermark functions by not passing around dev_priv needlessly. The callees have what they need to dig it out anyway. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20181114210729.16185-10-ville.syrjala@linux.intel.com Reviewed-by: Matt Roper Reviewed-by: Maarten Lankhorst --- drivers/gpu/drm/i915/intel_pm.c | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) (limited to 'drivers/gpu/drm/i915/intel_pm.c') diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 99f825d1c2e7..a5891f7a9f9d 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4617,12 +4617,12 @@ skl_adjusted_plane_pixel_rate(const struct intel_crtc_state *cstate, } static int -skl_compute_plane_wm_params(const struct drm_i915_private *dev_priv, - const struct intel_crtc_state *cstate, +skl_compute_plane_wm_params(const struct intel_crtc_state *cstate, const struct intel_plane_state *intel_pstate, struct skl_wm_params *wp, int plane_id) { struct intel_plane *plane = to_intel_plane(intel_pstate->base.plane); + struct drm_i915_private *dev_priv = to_i915(plane->base.dev); const struct drm_plane_state *pstate = &intel_pstate->base; const struct drm_framebuffer *fb = pstate->fb; uint32_t interm_pbpl; @@ -4721,8 +4721,7 @@ skl_compute_plane_wm_params(const struct drm_i915_private *dev_priv, return 0; } -static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv, - const struct intel_crtc_state *cstate, +static int skl_compute_plane_wm(const struct intel_crtc_state *cstate, const struct intel_plane_state *intel_pstate, uint16_t ddb_allocation, int level, @@ -4730,6 +4729,8 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv, const struct skl_wm_level *result_prev, struct skl_wm_level *result /* out */) { + struct drm_i915_private *dev_priv = + to_i915(intel_pstate->base.plane->dev); const struct drm_plane_state *pstate = &intel_pstate->base; uint32_t latency = dev_priv->wm.skl_latency[level]; uint_fixed_16_16_t method1, method2; @@ -4864,13 +4865,14 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv, } static int -skl_compute_wm_levels(const struct drm_i915_private *dev_priv, - const struct intel_crtc_state *cstate, +skl_compute_wm_levels(const struct intel_crtc_state *cstate, const struct intel_plane_state *intel_pstate, uint16_t ddb_blocks, const struct skl_wm_params *wm_params, struct skl_wm_level *levels) { + struct drm_i915_private *dev_priv = + to_i915(intel_pstate->base.plane->dev); int level, max_level = ilk_wm_max_level(dev_priv); struct skl_wm_level *result_prev = &levels[0]; int ret; @@ -4878,8 +4880,7 @@ skl_compute_wm_levels(const struct drm_i915_private *dev_priv, for (level = 0; level <= max_level; level++) { struct skl_wm_level *result = &levels[level]; - ret = skl_compute_plane_wm(dev_priv, - cstate, + ret = skl_compute_plane_wm(cstate, intel_pstate, ddb_blocks, level, @@ -4983,19 +4984,18 @@ static int skl_build_plane_wm_single(struct skl_ddb_allocation *ddb, enum plane_id plane_id, int color_plane) { struct intel_plane *plane = to_intel_plane(plane_state->base.plane); - struct drm_i915_private *dev_priv = to_i915(plane->base.dev); struct skl_plane_wm *wm = &crtc_state->wm.skl.optimal.planes[plane_id]; struct skl_wm_params wm_params; enum pipe pipe = plane->pipe; uint16_t ddb_blocks = skl_ddb_entry_size(&ddb->plane[pipe][plane_id]); int ret; - ret = skl_compute_plane_wm_params(dev_priv, crtc_state, plane_state, + ret = skl_compute_plane_wm_params(crtc_state, plane_state, &wm_params, color_plane); if (ret) return ret; - ret = skl_compute_wm_levels(dev_priv, crtc_state, plane_state, + ret = skl_compute_wm_levels(crtc_state, plane_state, ddb_blocks, &wm_params, wm->wm); if (ret) return ret; @@ -5011,7 +5011,6 @@ static int skl_build_plane_wm_uv(struct skl_ddb_allocation *ddb, enum plane_id plane_id) { struct intel_plane *plane = to_intel_plane(plane_state->base.plane); - struct drm_i915_private *dev_priv = to_i915(plane->base.dev); struct skl_plane_wm *wm = &crtc_state->wm.skl.optimal.planes[plane_id]; struct skl_wm_params wm_params; enum pipe pipe = plane->pipe; @@ -5021,12 +5020,12 @@ static int skl_build_plane_wm_uv(struct skl_ddb_allocation *ddb, wm->is_planar = true; /* uv plane watermarks must also be validated for NV12/Planar */ - ret = skl_compute_plane_wm_params(dev_priv, crtc_state, plane_state, + ret = skl_compute_plane_wm_params(crtc_state, plane_state, &wm_params, 1); if (ret) return ret; - ret = skl_compute_wm_levels(dev_priv, crtc_state, plane_state, + ret = skl_compute_wm_levels(crtc_state, plane_state, ddb_blocks, &wm_params, wm->uv_wm); if (ret) return ret; -- cgit v1.2.3 From ff43bc379e16c9195323cb88ac0c9f4d0613d07a Mon Sep 17 00:00:00 2001 From: Ville Syrjälä Date: Tue, 27 Nov 2018 18:59:00 +0200 Subject: drm/i915: Move ddb/wm programming into plane update/disable hooks on skl+ MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On SKL+ the plane WM/BUF_CFG registers are a proper part of each plane's register set. That means accessing them will cancel any pending plane update, and we would need a PLANE_SURF register write to arm the wm/ddb change as well. To avoid all the problems with that let's just move the wm/ddb programming into the plane update/disable hooks. Now all plane registers get written in one (hopefully atomic) operation. To make that feasible we'll move the plane ddb tracking into the crtc state. Watermarks were already tracked there. v2: Rebase due to input CSC v3: Split out a bunch of junk (Matt) v4: Add skl_wm_add_affected_planes() to deal with cursor special case and non-zero wm register reset value v5: Drop the unrelated for_each_intel_plane_mask() fix (Matt) Remove the redundant ddb memset() (Matt) Cc: Matt Roper Cc: Maarten Lankhorst Reviewed-by: Maarten Lankhorst #v3 Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20181127165900.31298-1-ville.syrjala@linux.intel.com --- drivers/gpu/drm/i915/i915_debugfs.c | 21 +- drivers/gpu/drm/i915/i915_drv.h | 3 - drivers/gpu/drm/i915/intel_display.c | 16 +- drivers/gpu/drm/i915/intel_display.h | 9 + drivers/gpu/drm/i915/intel_drv.h | 9 + drivers/gpu/drm/i915/intel_pm.c | 405 +++++++++++++++++++---------------- drivers/gpu/drm/i915/intel_sprite.c | 4 + 7 files changed, 260 insertions(+), 207 deletions(-) (limited to 'drivers/gpu/drm/i915/intel_pm.c') diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 596810e0cfe8..129b9a6f8309 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -3441,31 +3441,32 @@ static int i915_ddb_info(struct seq_file *m, void *unused) { struct drm_i915_private *dev_priv = node_to_i915(m->private); struct drm_device *dev = &dev_priv->drm; - struct skl_ddb_allocation *ddb; struct skl_ddb_entry *entry; - enum pipe pipe; - int plane; + struct intel_crtc *crtc; if (INTEL_GEN(dev_priv) < 9) return -ENODEV; drm_modeset_lock_all(dev); - ddb = &dev_priv->wm.skl_hw.ddb; - seq_printf(m, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size"); - for_each_pipe(dev_priv, pipe) { + for_each_intel_crtc(&dev_priv->drm, crtc) { + struct intel_crtc_state *crtc_state = + to_intel_crtc_state(crtc->base.state); + enum pipe pipe = crtc->pipe; + enum plane_id plane_id; + seq_printf(m, "Pipe %c\n", pipe_name(pipe)); - for_each_universal_plane(dev_priv, pipe, plane) { - entry = &ddb->plane[pipe][plane]; - seq_printf(m, " Plane%-8d%8u%8u%8u\n", plane + 1, + for_each_plane_id_on_crtc(crtc, plane_id) { + entry = &crtc_state->wm.skl.plane_ddb_y[plane_id]; + seq_printf(m, " Plane%-8d%8u%8u%8u\n", plane_id + 1, entry->start, entry->end, skl_ddb_entry_size(entry)); } - entry = &ddb->plane[pipe][PLANE_CURSOR]; + entry = &crtc_state->wm.skl.plane_ddb_y[PLANE_CURSOR]; seq_printf(m, " %-13s%8u%8u%8u\n", "Cursor", entry->start, entry->end, skl_ddb_entry_size(entry)); } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index f763b30f98d9..645c2bbdcdfa 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1095,9 +1095,6 @@ static inline bool skl_ddb_entry_equal(const struct skl_ddb_entry *e1, } struct skl_ddb_allocation { - /* packed/y */ - struct skl_ddb_entry plane[I915_MAX_PIPES][I915_MAX_PLANES]; - struct skl_ddb_entry uv_plane[I915_MAX_PIPES][I915_MAX_PLANES]; u8 enabled_slices; /* GEN11 has configurable 2 slices */ }; diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index d088ffd9f542..6c5d71b44740 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -10114,6 +10114,10 @@ static void i9xx_update_cursor(struct intel_plane *plane, * except when the plane is getting enabled at which time * the CURCNTR write arms the update. */ + + if (INTEL_GEN(dev_priv) >= 9) + skl_write_cursor_wm(plane, crtc_state); + if (plane->cursor.base != base || plane->cursor.size != fbc_ctl || plane->cursor.cntl != cntl) { @@ -11903,6 +11907,8 @@ static void verify_wm_state(struct drm_crtc *crtc, struct skl_pipe_wm hw_wm, *sw_wm; struct skl_plane_wm *hw_plane_wm, *sw_plane_wm; struct skl_ddb_entry *hw_ddb_entry, *sw_ddb_entry; + struct skl_ddb_entry hw_ddb_y[I915_MAX_PLANES]; + struct skl_ddb_entry hw_ddb_uv[I915_MAX_PLANES]; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); const enum pipe pipe = intel_crtc->pipe; int plane, level, max_level = ilk_wm_max_level(dev_priv); @@ -11913,6 +11919,8 @@ static void verify_wm_state(struct drm_crtc *crtc, skl_pipe_wm_get_hw_state(crtc, &hw_wm); sw_wm = &to_intel_crtc_state(new_state)->wm.skl.optimal; + skl_pipe_ddb_get_hw_state(intel_crtc, hw_ddb_y, hw_ddb_uv); + skl_ddb_get_hw_state(dev_priv, &hw_ddb); sw_ddb = &dev_priv->wm.skl_hw.ddb; @@ -11955,8 +11963,8 @@ static void verify_wm_state(struct drm_crtc *crtc, } /* DDB */ - hw_ddb_entry = &hw_ddb.plane[pipe][plane]; - sw_ddb_entry = &sw_ddb->plane[pipe][plane]; + hw_ddb_entry = &hw_ddb_y[plane]; + sw_ddb_entry = &to_intel_crtc_state(new_state)->wm.skl.plane_ddb_y[plane]; if (!skl_ddb_entry_equal(hw_ddb_entry, sw_ddb_entry)) { DRM_ERROR("mismatch in DDB state pipe %c plane %d (expected (%u,%u), found (%u,%u))\n", @@ -12005,8 +12013,8 @@ static void verify_wm_state(struct drm_crtc *crtc, } /* DDB */ - hw_ddb_entry = &hw_ddb.plane[pipe][PLANE_CURSOR]; - sw_ddb_entry = &sw_ddb->plane[pipe][PLANE_CURSOR]; + hw_ddb_entry = &hw_ddb_y[PLANE_CURSOR]; + sw_ddb_entry = &to_intel_crtc_state(new_state)->wm.skl.plane_ddb_y[PLANE_CURSOR]; if (!skl_ddb_entry_equal(hw_ddb_entry, sw_ddb_entry)) { DRM_ERROR("mismatch in DDB state pipe %c cursor (expected (%u,%u), found (%u,%u))\n", diff --git a/drivers/gpu/drm/i915/intel_display.h b/drivers/gpu/drm/i915/intel_display.h index a9a181aa4587..a7ceb8f904f7 100644 --- a/drivers/gpu/drm/i915/intel_display.h +++ b/drivers/gpu/drm/i915/intel_display.h @@ -431,6 +431,15 @@ struct intel_link_m_n { (__i)++) \ for_each_if(plane) +#define for_each_oldnew_intel_crtc_in_state(__state, crtc, old_crtc_state, new_crtc_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->base.dev->mode_config.num_crtc && \ + ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ + (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), \ + (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \ + (__i)++) \ + for_each_if(crtc) + void intel_link_compute_m_n(int bpp, int nlanes, int pixel_clock, int link_clock, struct intel_link_m_n *m_n, diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 7842d193ac44..1a3a396862d1 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -706,6 +706,8 @@ struct intel_crtc_wm_state { /* gen9+ only needs 1-step wm programming */ struct skl_pipe_wm optimal; struct skl_ddb_entry ddb; + struct skl_ddb_entry plane_ddb_y[I915_MAX_PLANES]; + struct skl_ddb_entry plane_ddb_uv[I915_MAX_PLANES]; } skl; struct { @@ -2185,6 +2187,9 @@ void g4x_wm_get_hw_state(struct drm_device *dev); void vlv_wm_get_hw_state(struct drm_device *dev); void ilk_wm_get_hw_state(struct drm_device *dev); void skl_wm_get_hw_state(struct drm_device *dev); +void skl_pipe_ddb_get_hw_state(struct intel_crtc *crtc, + struct skl_ddb_entry *ddb_y, + struct skl_ddb_entry *ddb_uv); void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv, struct skl_ddb_allocation *ddb /* out */); void skl_pipe_wm_get_hw_state(struct drm_crtc *crtc, @@ -2199,6 +2204,10 @@ bool skl_wm_level_equals(const struct skl_wm_level *l1, bool skl_ddb_allocation_overlaps(const struct skl_ddb_entry *ddb, const struct skl_ddb_entry entries[], int num_entries, int ignore_idx); +void skl_write_plane_wm(struct intel_plane *plane, + const struct intel_crtc_state *crtc_state); +void skl_write_cursor_wm(struct intel_plane *plane, + const struct intel_crtc_state *crtc_state); bool ilk_disable_lp_wm(struct drm_device *dev); int skl_check_pipe_max_pixel_rate(struct intel_crtc *intel_crtc, struct intel_crtc_state *cstate); diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index a5891f7a9f9d..b1f30d56b747 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3951,68 +3951,68 @@ static void skl_ddb_get_hw_plane_state(struct drm_i915_private *dev_priv, const enum pipe pipe, const enum plane_id plane_id, - struct skl_ddb_allocation *ddb /* out */) + struct skl_ddb_entry *ddb_y, + struct skl_ddb_entry *ddb_uv) { - u32 val, val2 = 0; - int fourcc, pixel_format; + u32 val, val2; + u32 fourcc = 0; /* Cursor doesn't support NV12/planar, so no extra calculation needed */ if (plane_id == PLANE_CURSOR) { val = I915_READ(CUR_BUF_CFG(pipe)); - skl_ddb_entry_init_from_hw(dev_priv, - &ddb->plane[pipe][plane_id], val); + skl_ddb_entry_init_from_hw(dev_priv, ddb_y, val); return; } val = I915_READ(PLANE_CTL(pipe, plane_id)); /* No DDB allocated for disabled planes */ - if (!(val & PLANE_CTL_ENABLE)) - return; - - pixel_format = val & PLANE_CTL_FORMAT_MASK; - fourcc = skl_format_to_fourcc(pixel_format, - val & PLANE_CTL_ORDER_RGBX, - val & PLANE_CTL_ALPHA_MASK); + if (val & PLANE_CTL_ENABLE) + fourcc = skl_format_to_fourcc(val & PLANE_CTL_FORMAT_MASK, + val & PLANE_CTL_ORDER_RGBX, + val & PLANE_CTL_ALPHA_MASK); - val = I915_READ(PLANE_BUF_CFG(pipe, plane_id)); - if (fourcc == DRM_FORMAT_NV12 && INTEL_GEN(dev_priv) < 11) { + if (INTEL_GEN(dev_priv) >= 11) { + val = I915_READ(PLANE_BUF_CFG(pipe, plane_id)); + skl_ddb_entry_init_from_hw(dev_priv, ddb_y, val); + } else { + val = I915_READ(PLANE_BUF_CFG(pipe, plane_id)); val2 = I915_READ(PLANE_NV12_BUF_CFG(pipe, plane_id)); - skl_ddb_entry_init_from_hw(dev_priv, - &ddb->plane[pipe][plane_id], val2); - skl_ddb_entry_init_from_hw(dev_priv, - &ddb->uv_plane[pipe][plane_id], val); - } else { - skl_ddb_entry_init_from_hw(dev_priv, - &ddb->plane[pipe][plane_id], val); + if (fourcc == DRM_FORMAT_NV12) + swap(val, val2); + + skl_ddb_entry_init_from_hw(dev_priv, ddb_y, val); + skl_ddb_entry_init_from_hw(dev_priv, ddb_uv, val2); } } -void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv, - struct skl_ddb_allocation *ddb /* out */) +void skl_pipe_ddb_get_hw_state(struct intel_crtc *crtc, + struct skl_ddb_entry *ddb_y, + struct skl_ddb_entry *ddb_uv) { - struct intel_crtc *crtc; - - memset(ddb, 0, sizeof(*ddb)); - - ddb->enabled_slices = intel_enabled_dbuf_slices_num(dev_priv); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + enum intel_display_power_domain power_domain; + enum pipe pipe = crtc->pipe; + enum plane_id plane_id; - for_each_intel_crtc(&dev_priv->drm, crtc) { - enum intel_display_power_domain power_domain; - enum plane_id plane_id; - enum pipe pipe = crtc->pipe; + power_domain = POWER_DOMAIN_PIPE(pipe); + if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) + return; - power_domain = POWER_DOMAIN_PIPE(pipe); - if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) - continue; + for_each_plane_id_on_crtc(crtc, plane_id) + skl_ddb_get_hw_plane_state(dev_priv, pipe, + plane_id, + &ddb_y[plane_id], + &ddb_uv[plane_id]); - for_each_plane_id_on_crtc(crtc, plane_id) - skl_ddb_get_hw_plane_state(dev_priv, pipe, - plane_id, ddb); + intel_display_power_put(dev_priv, power_domain); +} - intel_display_power_put(dev_priv, power_domain); - } +void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv, + struct skl_ddb_allocation *ddb /* out */) +{ + ddb->enabled_slices = intel_enabled_dbuf_slices_num(dev_priv); } /* @@ -4410,7 +4410,6 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, struct drm_crtc *crtc = cstate->base.crtc; struct drm_i915_private *dev_priv = to_i915(crtc->dev); struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - enum pipe pipe = intel_crtc->pipe; struct skl_ddb_entry *alloc = &cstate->wm.skl.ddb; uint16_t alloc_size, start; uint16_t minimum[I915_MAX_PLANES] = {}; @@ -4423,8 +4422,8 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, uint16_t total_min_blocks = 0; /* Clear the partitioning for disabled planes. */ - memset(ddb->plane[pipe], 0, sizeof(ddb->plane[pipe])); - memset(ddb->uv_plane[pipe], 0, sizeof(ddb->uv_plane[pipe])); + memset(cstate->wm.skl.plane_ddb_y, 0, sizeof(cstate->wm.skl.plane_ddb_y)); + memset(cstate->wm.skl.plane_ddb_uv, 0, sizeof(cstate->wm.skl.plane_ddb_uv)); if (WARN_ON(!state)) return 0; @@ -4471,8 +4470,8 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, } alloc_size -= total_min_blocks; - ddb->plane[pipe][PLANE_CURSOR].start = alloc->end - minimum[PLANE_CURSOR]; - ddb->plane[pipe][PLANE_CURSOR].end = alloc->end; + cstate->wm.skl.plane_ddb_y[PLANE_CURSOR].start = alloc->end - minimum[PLANE_CURSOR]; + cstate->wm.skl.plane_ddb_y[PLANE_CURSOR].end = alloc->end; /* * 2. Distribute the remaining space in proportion to the amount of @@ -4503,8 +4502,8 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, /* Leave disabled planes at (0,0) */ if (data_rate) { - ddb->plane[pipe][plane_id].start = start; - ddb->plane[pipe][plane_id].end = start + plane_blocks; + cstate->wm.skl.plane_ddb_y[plane_id].start = start; + cstate->wm.skl.plane_ddb_y[plane_id].end = start + plane_blocks; } start += plane_blocks; @@ -4519,8 +4518,8 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, WARN_ON(INTEL_GEN(dev_priv) >= 11 && uv_plane_blocks); if (uv_data_rate) { - ddb->uv_plane[pipe][plane_id].start = start; - ddb->uv_plane[pipe][plane_id].end = + cstate->wm.skl.plane_ddb_uv[plane_id].start = start; + cstate->wm.skl.plane_ddb_uv[plane_id].end = start + uv_plane_blocks; } @@ -4978,16 +4977,13 @@ static void skl_compute_transition_wm(const struct intel_crtc_state *cstate, } } -static int skl_build_plane_wm_single(struct skl_ddb_allocation *ddb, - struct intel_crtc_state *crtc_state, +static int skl_build_plane_wm_single(struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state, enum plane_id plane_id, int color_plane) { - struct intel_plane *plane = to_intel_plane(plane_state->base.plane); struct skl_plane_wm *wm = &crtc_state->wm.skl.optimal.planes[plane_id]; + u16 ddb_blocks = skl_ddb_entry_size(&crtc_state->wm.skl.plane_ddb_y[plane_id]); struct skl_wm_params wm_params; - enum pipe pipe = plane->pipe; - uint16_t ddb_blocks = skl_ddb_entry_size(&ddb->plane[pipe][plane_id]); int ret; ret = skl_compute_plane_wm_params(crtc_state, plane_state, @@ -5005,16 +5001,13 @@ static int skl_build_plane_wm_single(struct skl_ddb_allocation *ddb, return 0; } -static int skl_build_plane_wm_uv(struct skl_ddb_allocation *ddb, - struct intel_crtc_state *crtc_state, +static int skl_build_plane_wm_uv(struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state, enum plane_id plane_id) { - struct intel_plane *plane = to_intel_plane(plane_state->base.plane); struct skl_plane_wm *wm = &crtc_state->wm.skl.optimal.planes[plane_id]; + u16 ddb_blocks = skl_ddb_entry_size(&crtc_state->wm.skl.plane_ddb_uv[plane_id]); struct skl_wm_params wm_params; - enum pipe pipe = plane->pipe; - uint16_t ddb_blocks = skl_ddb_entry_size(&ddb->uv_plane[pipe][plane_id]); int ret; wm->is_planar = true; @@ -5033,8 +5026,7 @@ static int skl_build_plane_wm_uv(struct skl_ddb_allocation *ddb, return 0; } -static int skl_build_plane_wm(struct skl_ddb_allocation *ddb, - struct skl_pipe_wm *pipe_wm, +static int skl_build_plane_wm(struct skl_pipe_wm *pipe_wm, struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) { @@ -5046,13 +5038,13 @@ static int skl_build_plane_wm(struct skl_ddb_allocation *ddb, if (!intel_wm_plane_visible(crtc_state, plane_state)) return 0; - ret = skl_build_plane_wm_single(ddb, crtc_state, plane_state, + ret = skl_build_plane_wm_single(crtc_state, plane_state, plane_id, 0); if (ret) return ret; if (fb->format->is_yuv && fb->format->num_planes > 1) { - ret = skl_build_plane_wm_uv(ddb, crtc_state, plane_state, + ret = skl_build_plane_wm_uv(crtc_state, plane_state, plane_id); if (ret) return ret; @@ -5061,8 +5053,7 @@ static int skl_build_plane_wm(struct skl_ddb_allocation *ddb, return 0; } -static int icl_build_plane_wm(struct skl_ddb_allocation *ddb, - struct skl_pipe_wm *pipe_wm, +static int icl_build_plane_wm(struct skl_pipe_wm *pipe_wm, struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) { @@ -5081,17 +5072,17 @@ static int icl_build_plane_wm(struct skl_ddb_allocation *ddb, WARN_ON(!fb->format->is_yuv || fb->format->num_planes == 1); - ret = skl_build_plane_wm_single(ddb, crtc_state, plane_state, + ret = skl_build_plane_wm_single(crtc_state, plane_state, y_plane_id, 0); if (ret) return ret; - ret = skl_build_plane_wm_single(ddb, crtc_state, plane_state, + ret = skl_build_plane_wm_single(crtc_state, plane_state, plane_id, 1); if (ret) return ret; } else if (intel_wm_plane_visible(crtc_state, plane_state)) { - ret = skl_build_plane_wm_single(ddb, crtc_state, plane_state, + ret = skl_build_plane_wm_single(crtc_state, plane_state, plane_id, 0); if (ret) return ret; @@ -5101,7 +5092,6 @@ static int icl_build_plane_wm(struct skl_ddb_allocation *ddb, } static int skl_build_pipe_wm(struct intel_crtc_state *cstate, - struct skl_ddb_allocation *ddb, struct skl_pipe_wm *pipe_wm) { struct drm_i915_private *dev_priv = to_i915(cstate->base.crtc->dev); @@ -5121,10 +5111,10 @@ static int skl_build_pipe_wm(struct intel_crtc_state *cstate, to_intel_plane_state(pstate); if (INTEL_GEN(dev_priv) >= 11) - ret = icl_build_plane_wm(ddb, pipe_wm, + ret = icl_build_plane_wm(pipe_wm, cstate, intel_pstate); else - ret = skl_build_plane_wm(ddb, pipe_wm, + ret = skl_build_plane_wm(pipe_wm, cstate, intel_pstate); if (ret) return ret; @@ -5140,9 +5130,9 @@ static void skl_ddb_entry_write(struct drm_i915_private *dev_priv, const struct skl_ddb_entry *entry) { if (entry->end) - I915_WRITE(reg, (entry->end - 1) << 16 | entry->start); + I915_WRITE_FW(reg, (entry->end - 1) << 16 | entry->start); else - I915_WRITE(reg, 0); + I915_WRITE_FW(reg, 0); } static void skl_write_wm_level(struct drm_i915_private *dev_priv, @@ -5157,19 +5147,22 @@ static void skl_write_wm_level(struct drm_i915_private *dev_priv, val |= level->plane_res_l << PLANE_WM_LINES_SHIFT; } - I915_WRITE(reg, val); + I915_WRITE_FW(reg, val); } -static void skl_write_plane_wm(struct intel_crtc *intel_crtc, - const struct skl_plane_wm *wm, - const struct skl_ddb_allocation *ddb, - enum plane_id plane_id) +void skl_write_plane_wm(struct intel_plane *plane, + const struct intel_crtc_state *crtc_state) { - struct drm_crtc *crtc = &intel_crtc->base; - struct drm_device *dev = crtc->dev; - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(plane->base.dev); int level, max_level = ilk_wm_max_level(dev_priv); - enum pipe pipe = intel_crtc->pipe; + enum plane_id plane_id = plane->id; + enum pipe pipe = plane->pipe; + const struct skl_plane_wm *wm = + &crtc_state->wm.skl.optimal.planes[plane_id]; + const struct skl_ddb_entry *ddb_y = + &crtc_state->wm.skl.plane_ddb_y[plane_id]; + const struct skl_ddb_entry *ddb_uv = + &crtc_state->wm.skl.plane_ddb_uv[plane_id]; for (level = 0; level <= max_level; level++) { skl_write_wm_level(dev_priv, PLANE_WM(pipe, plane_id, level), @@ -5178,29 +5171,32 @@ static void skl_write_plane_wm(struct intel_crtc *intel_crtc, skl_write_wm_level(dev_priv, PLANE_WM_TRANS(pipe, plane_id), &wm->trans_wm); - if (wm->is_planar && INTEL_GEN(dev_priv) < 11) { - skl_ddb_entry_write(dev_priv, PLANE_BUF_CFG(pipe, plane_id), - &ddb->uv_plane[pipe][plane_id]); + if (INTEL_GEN(dev_priv) >= 11) { skl_ddb_entry_write(dev_priv, - PLANE_NV12_BUF_CFG(pipe, plane_id), - &ddb->plane[pipe][plane_id]); - } else { - skl_ddb_entry_write(dev_priv, PLANE_BUF_CFG(pipe, plane_id), - &ddb->plane[pipe][plane_id]); - if (INTEL_GEN(dev_priv) < 11) - I915_WRITE(PLANE_NV12_BUF_CFG(pipe, plane_id), 0x0); + PLANE_BUF_CFG(pipe, plane_id), ddb_y); + return; } + + if (wm->is_planar) + swap(ddb_y, ddb_uv); + + skl_ddb_entry_write(dev_priv, + PLANE_BUF_CFG(pipe, plane_id), ddb_y); + skl_ddb_entry_write(dev_priv, + PLANE_NV12_BUF_CFG(pipe, plane_id), ddb_uv); } -static void skl_write_cursor_wm(struct intel_crtc *intel_crtc, - const struct skl_plane_wm *wm, - const struct skl_ddb_allocation *ddb) +void skl_write_cursor_wm(struct intel_plane *plane, + const struct intel_crtc_state *crtc_state) { - struct drm_crtc *crtc = &intel_crtc->base; - struct drm_device *dev = crtc->dev; - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(plane->base.dev); int level, max_level = ilk_wm_max_level(dev_priv); - enum pipe pipe = intel_crtc->pipe; + enum plane_id plane_id = plane->id; + enum pipe pipe = plane->pipe; + const struct skl_plane_wm *wm = + &crtc_state->wm.skl.optimal.planes[plane_id]; + const struct skl_ddb_entry *ddb = + &crtc_state->wm.skl.plane_ddb_y[plane_id]; for (level = 0; level <= max_level; level++) { skl_write_wm_level(dev_priv, CUR_WM(pipe, level), @@ -5208,22 +5204,30 @@ static void skl_write_cursor_wm(struct intel_crtc *intel_crtc, } skl_write_wm_level(dev_priv, CUR_WM_TRANS(pipe), &wm->trans_wm); - skl_ddb_entry_write(dev_priv, CUR_BUF_CFG(pipe), - &ddb->plane[pipe][PLANE_CURSOR]); + skl_ddb_entry_write(dev_priv, CUR_BUF_CFG(pipe), ddb); } bool skl_wm_level_equals(const struct skl_wm_level *l1, const struct skl_wm_level *l2) { - if (l1->plane_en != l2->plane_en) - return false; + return l1->plane_en == l2->plane_en && + l1->plane_res_l == l2->plane_res_l && + l1->plane_res_b == l2->plane_res_b; +} - /* If both planes aren't enabled, the rest shouldn't matter */ - if (!l1->plane_en) - return true; +static bool skl_plane_wm_equals(struct drm_i915_private *dev_priv, + const struct skl_plane_wm *wm1, + const struct skl_plane_wm *wm2) +{ + int level, max_level = ilk_wm_max_level(dev_priv); - return (l1->plane_res_l == l2->plane_res_l && - l1->plane_res_b == l2->plane_res_b); + for (level = 0; level <= max_level; level++) { + if (!skl_wm_level_equals(&wm1->wm[level], &wm2->wm[level]) || + !skl_wm_level_equals(&wm1->uv_wm[level], &wm2->uv_wm[level])) + return false; + } + + return skl_wm_level_equals(&wm1->trans_wm, &wm2->trans_wm); } static inline bool skl_ddb_entries_overlap(const struct skl_ddb_entry *a, @@ -5250,13 +5254,12 @@ bool skl_ddb_allocation_overlaps(const struct skl_ddb_entry *ddb, static int skl_update_pipe_wm(struct drm_crtc_state *cstate, const struct skl_pipe_wm *old_pipe_wm, struct skl_pipe_wm *pipe_wm, /* out */ - struct skl_ddb_allocation *ddb, /* out */ bool *changed /* out */) { struct intel_crtc_state *intel_cstate = to_intel_crtc_state(cstate); int ret; - ret = skl_build_pipe_wm(intel_cstate, ddb, pipe_wm); + ret = skl_build_pipe_wm(intel_cstate, pipe_wm); if (ret) return ret; @@ -5282,42 +5285,29 @@ pipes_modified(struct drm_atomic_state *state) } static int -skl_ddb_add_affected_planes(struct intel_crtc_state *cstate) +skl_ddb_add_affected_planes(const struct intel_crtc_state *old_crtc_state, + struct intel_crtc_state *new_crtc_state) { - struct drm_atomic_state *state = cstate->base.state; - struct drm_device *dev = state->dev; - struct drm_crtc *crtc = cstate->base.crtc; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct drm_i915_private *dev_priv = to_i915(dev); - struct intel_atomic_state *intel_state = to_intel_atomic_state(state); - struct skl_ddb_allocation *new_ddb = &intel_state->wm_results.ddb; - struct skl_ddb_allocation *cur_ddb = &dev_priv->wm.skl_hw.ddb; - struct drm_plane *plane; - enum pipe pipe = intel_crtc->pipe; + struct intel_atomic_state *state = to_intel_atomic_state(new_crtc_state->base.state); + struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct intel_plane *plane; - drm_for_each_plane_mask(plane, dev, cstate->base.plane_mask) { - struct drm_plane_state *plane_state; - struct intel_plane *linked; - enum plane_id plane_id = to_intel_plane(plane)->id; + for_each_intel_plane_on_crtc(&dev_priv->drm, crtc, plane) { + struct intel_plane_state *plane_state; + enum plane_id plane_id = plane->id; - if (skl_ddb_entry_equal(&cur_ddb->plane[pipe][plane_id], - &new_ddb->plane[pipe][plane_id]) && - skl_ddb_entry_equal(&cur_ddb->uv_plane[pipe][plane_id], - &new_ddb->uv_plane[pipe][plane_id])) + if (skl_ddb_entry_equal(&old_crtc_state->wm.skl.plane_ddb_y[plane_id], + &new_crtc_state->wm.skl.plane_ddb_y[plane_id]) && + skl_ddb_entry_equal(&old_crtc_state->wm.skl.plane_ddb_uv[plane_id], + &new_crtc_state->wm.skl.plane_ddb_uv[plane_id])) continue; - plane_state = drm_atomic_get_plane_state(state, plane); + plane_state = intel_atomic_get_plane_state(state, plane); if (IS_ERR(plane_state)) return PTR_ERR(plane_state); - /* Make sure linked plane is updated too */ - linked = to_intel_plane_state(plane_state)->linked_plane; - if (!linked) - continue; - - plane_state = drm_atomic_get_plane_state(state, &linked->base); - if (IS_ERR(plane_state)) - return PTR_ERR(plane_state); + new_crtc_state->update_planes |= BIT(plane_id); } return 0; @@ -5329,18 +5319,21 @@ skl_compute_ddb(struct drm_atomic_state *state) const struct drm_i915_private *dev_priv = to_i915(state->dev); struct intel_atomic_state *intel_state = to_intel_atomic_state(state); struct skl_ddb_allocation *ddb = &intel_state->wm_results.ddb; + struct intel_crtc_state *old_crtc_state; + struct intel_crtc_state *new_crtc_state; struct intel_crtc *crtc; - struct intel_crtc_state *cstate; int ret, i; memcpy(ddb, &dev_priv->wm.skl_hw.ddb, sizeof(*ddb)); - for_each_new_intel_crtc_in_state(intel_state, crtc, cstate, i) { - ret = skl_allocate_pipe_ddb(cstate, ddb); + for_each_oldnew_intel_crtc_in_state(intel_state, crtc, old_crtc_state, + new_crtc_state, i) { + ret = skl_allocate_pipe_ddb(new_crtc_state, ddb); if (ret) return ret; - ret = skl_ddb_add_affected_planes(cstate); + ret = skl_ddb_add_affected_planes(old_crtc_state, + new_crtc_state); if (ret) return ret; } @@ -5349,36 +5342,29 @@ skl_compute_ddb(struct drm_atomic_state *state) } static void -skl_print_wm_changes(const struct drm_atomic_state *state) +skl_print_wm_changes(struct intel_atomic_state *state) { - const struct drm_device *dev = state->dev; - const struct drm_i915_private *dev_priv = to_i915(dev); - const struct intel_atomic_state *intel_state = - to_intel_atomic_state(state); - const struct drm_crtc *crtc; - const struct drm_crtc_state *cstate; - const struct intel_plane *intel_plane; - const struct skl_ddb_allocation *old_ddb = &dev_priv->wm.skl_hw.ddb; - const struct skl_ddb_allocation *new_ddb = &intel_state->wm_results.ddb; + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + const struct intel_crtc_state *old_crtc_state; + const struct intel_crtc_state *new_crtc_state; + struct intel_plane *plane; + struct intel_crtc *crtc; int i; - for_each_new_crtc_in_state(state, crtc, cstate, i) { - const struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - enum pipe pipe = intel_crtc->pipe; - - for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) { - enum plane_id plane_id = intel_plane->id; + for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, + new_crtc_state, i) { + for_each_intel_plane_on_crtc(&dev_priv->drm, crtc, plane) { + enum plane_id plane_id = plane->id; const struct skl_ddb_entry *old, *new; - old = &old_ddb->plane[pipe][plane_id]; - new = &new_ddb->plane[pipe][plane_id]; + old = &old_crtc_state->wm.skl.plane_ddb_y[plane_id]; + new = &new_crtc_state->wm.skl.plane_ddb_y[plane_id]; if (skl_ddb_entry_equal(old, new)) continue; DRM_DEBUG_KMS("[PLANE:%d:%s] ddb (%d - %d) -> (%d - %d)\n", - intel_plane->base.base.id, - intel_plane->base.name, + plane->base.base.id, plane->base.name, old->start, old->end, new->start, new->end); } @@ -5475,6 +5461,66 @@ skl_ddb_add_affected_pipes(struct drm_atomic_state *state, bool *changed) return 0; } +/* + * To make sure the cursor watermark registers are always consistent + * with our computed state the following scenario needs special + * treatment: + * + * 1. enable cursor + * 2. move cursor entirely offscreen + * 3. disable cursor + * + * Step 2. does call .disable_plane() but does not zero the watermarks + * (since we consider an offscreen cursor still active for the purposes + * of watermarks). Step 3. would not normally call .disable_plane() + * because the actual plane visibility isn't changing, and we don't + * deallocate the cursor ddb until the pipe gets disabled. So we must + * force step 3. to call .disable_plane() to update the watermark + * registers properly. + * + * Other planes do not suffer from this issues as their watermarks are + * calculated based on the actual plane visibility. The only time this + * can trigger for the other planes is during the initial readout as the + * default value of the watermarks registers is not zero. + */ +static int skl_wm_add_affected_planes(struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + const struct intel_crtc_state *old_crtc_state = + intel_atomic_get_old_crtc_state(state, crtc); + struct intel_crtc_state *new_crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + struct intel_plane *plane; + + for_each_intel_plane_on_crtc(&dev_priv->drm, crtc, plane) { + struct intel_plane_state *plane_state; + enum plane_id plane_id = plane->id; + + /* + * Force a full wm update for every plane on modeset. + * Required because the reset value of the wm registers + * is non-zero, whereas we want all disabled planes to + * have zero watermarks. So if we turn off the relevant + * power well the hardware state will go out of sync + * with the software state. + */ + if (!drm_atomic_crtc_needs_modeset(&new_crtc_state->base) && + skl_plane_wm_equals(dev_priv, + &old_crtc_state->wm.skl.optimal.planes[plane_id], + &new_crtc_state->wm.skl.optimal.planes[plane_id])) + continue; + + plane_state = intel_atomic_get_plane_state(state, plane); + if (IS_ERR(plane_state)) + return PTR_ERR(plane_state); + + new_crtc_state->update_planes |= BIT(plane_id); + } + + return 0; +} + static int skl_compute_wm(struct drm_atomic_state *state) { @@ -5514,8 +5560,12 @@ skl_compute_wm(struct drm_atomic_state *state) &to_intel_crtc_state(crtc->state)->wm.skl.optimal; pipe_wm = &intel_cstate->wm.skl.optimal; - ret = skl_update_pipe_wm(cstate, old_pipe_wm, pipe_wm, - &results->ddb, &changed); + ret = skl_update_pipe_wm(cstate, old_pipe_wm, pipe_wm, &changed); + if (ret) + return ret; + + ret = skl_wm_add_affected_planes(intel_state, + to_intel_crtc(crtc)); if (ret) return ret; @@ -5529,7 +5579,7 @@ skl_compute_wm(struct drm_atomic_state *state) intel_cstate->update_wm_pre = true; } - skl_print_wm_changes(state); + skl_print_wm_changes(intel_state); return 0; } @@ -5540,23 +5590,12 @@ static void skl_atomic_update_crtc_wm(struct intel_atomic_state *state, struct intel_crtc *crtc = to_intel_crtc(cstate->base.crtc); struct drm_i915_private *dev_priv = to_i915(state->base.dev); struct skl_pipe_wm *pipe_wm = &cstate->wm.skl.optimal; - const struct skl_ddb_allocation *ddb = &state->wm_results.ddb; enum pipe pipe = crtc->pipe; - enum plane_id plane_id; if (!(state->wm_results.dirty_pipes & drm_crtc_mask(&crtc->base))) return; I915_WRITE(PIPE_WM_LINETIME(pipe), pipe_wm->linetime); - - for_each_plane_id_on_crtc(crtc, plane_id) { - if (plane_id != PLANE_CURSOR) - skl_write_plane_wm(crtc, &pipe_wm->planes[plane_id], - ddb, plane_id); - else - skl_write_cursor_wm(crtc, &pipe_wm->planes[plane_id], - ddb); - } } static void skl_initial_wm(struct intel_atomic_state *state, @@ -5566,8 +5605,6 @@ static void skl_initial_wm(struct intel_atomic_state *state, struct drm_device *dev = intel_crtc->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); struct skl_ddb_values *results = &state->wm_results; - struct skl_ddb_values *hw_vals = &dev_priv->wm.skl_hw; - enum pipe pipe = intel_crtc->pipe; if ((results->dirty_pipes & drm_crtc_mask(&intel_crtc->base)) == 0) return; @@ -5577,11 +5614,6 @@ static void skl_initial_wm(struct intel_atomic_state *state, if (cstate->base.active_changed) skl_atomic_update_crtc_wm(state, cstate); - memcpy(hw_vals->ddb.uv_plane[pipe], results->ddb.uv_plane[pipe], - sizeof(hw_vals->ddb.uv_plane[pipe])); - memcpy(hw_vals->ddb.plane[pipe], results->ddb.plane[pipe], - sizeof(hw_vals->ddb.plane[pipe])); - mutex_unlock(&dev_priv->wm.wm_mutex); } @@ -5732,13 +5764,6 @@ void skl_wm_get_hw_state(struct drm_device *dev) if (dev_priv->active_crtcs) { /* Fully recompute DDB on first atomic commit */ dev_priv->wm.distrust_bios_wm = true; - } else { - /* - * Easy/common case; just sanitize DDB now if everything off - * Keep dbuf slice info intact - */ - memset(ddb->plane, 0, sizeof(ddb->plane)); - memset(ddb->uv_plane, 0, sizeof(ddb->uv_plane)); } } diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index e5da2fe3bdae..32df604e90b6 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -542,6 +542,8 @@ skl_program_plane(struct intel_plane *plane, if (fb->format->is_yuv && icl_is_hdr_plane(plane)) icl_program_input_csc_coeff(crtc_state, plane_state); + skl_write_plane_wm(plane, crtc_state); + I915_WRITE_FW(PLANE_KEYVAL(pipe, plane_id), key->min_value); I915_WRITE_FW(PLANE_KEYMSK(pipe, plane_id), keymsk); I915_WRITE_FW(PLANE_KEYMAX(pipe, plane_id), keymax); @@ -604,6 +606,8 @@ skl_disable_plane(struct intel_plane *plane, spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); + skl_write_plane_wm(plane, crtc_state); + I915_WRITE_FW(PLANE_CTL(pipe, plane_id), 0); I915_WRITE_FW(PLANE_SURF(pipe, plane_id), 0); -- cgit v1.2.3 From 45bee430b8438a26e0da7c664605ceea97823ec8 Mon Sep 17 00:00:00 2001 From: Ville Syrjälä Date: Wed, 14 Nov 2018 23:07:28 +0200 Subject: drm/i915: Rename the confusing 'plane_id' to 'color_plane' MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit A variable whose name is 'plane_id' is expected to be of the enum plane_id type. In this case we have a raw int, which turns out to refer to the plane of the framebuffer. Rename the variable to 'color_plane' in line with the trend started earlier. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20181114210729.16185-13-ville.syrjala@linux.intel.com Reviewed-by: Matt Roper Reviewed-by: Maarten Lankhorst --- drivers/gpu/drm/i915/intel_pm.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/gpu/drm/i915/intel_pm.c') diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index b1f30d56b747..a26b4eddda25 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4618,7 +4618,7 @@ skl_adjusted_plane_pixel_rate(const struct intel_crtc_state *cstate, static int skl_compute_plane_wm_params(const struct intel_crtc_state *cstate, const struct intel_plane_state *intel_pstate, - struct skl_wm_params *wp, int plane_id) + struct skl_wm_params *wp, int color_plane) { struct intel_plane *plane = to_intel_plane(intel_pstate->base.plane); struct drm_i915_private *dev_priv = to_i915(plane->base.dev); @@ -4630,7 +4630,7 @@ skl_compute_plane_wm_params(const struct intel_crtc_state *cstate, bool apply_memory_bw_wa = skl_needs_memory_bw_wa(state); /* only NV12 format has two planes */ - if (plane_id == 1 && fb->format->format != DRM_FORMAT_NV12) { + if (color_plane == 1 && fb->format->format != DRM_FORMAT_NV12) { DRM_DEBUG_KMS("Non NV12 format have single plane\n"); return -EINVAL; } @@ -4655,10 +4655,10 @@ skl_compute_plane_wm_params(const struct intel_crtc_state *cstate, wp->width = drm_rect_width(&intel_pstate->base.src) >> 16; } - if (plane_id == 1 && wp->is_planar) + if (color_plane == 1 && wp->is_planar) wp->width /= 2; - wp->cpp = fb->format->cpp[plane_id]; + wp->cpp = fb->format->cpp[color_plane]; wp->plane_pixel_rate = skl_adjusted_plane_pixel_rate(cstate, intel_pstate); -- cgit v1.2.3