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Thu, 05 Dec 2019 01:37:52 -0800 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 5 Dec 2019 01:28:44 -0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 5 Dec 2019 17:27:34 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 5 Dec 2019 17:26:52 +0800 From: Bibby Hsieh To: David Airlie , Matthias Brugger , Daniel Vetter , , Subject: [PATCH v4 3/7] drm/mediatek: update cursors by using async atomic update Date: Thu, 5 Dec 2019 17:27:45 +0800 Message-ID: <20191205092749.4021-4-bibby.hsieh@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20191205092749.4021-1-bibby.hsieh@mediatek.com> References: <20191205092749.4021-1-bibby.hsieh@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191205_013801_622993_A2D7F998 X-CRM114-Status: GOOD ( 13.49 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: drinkcat@chromium.org, Bibby Hsieh , srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org, tfiga@chromium.org, CK Hu , Thierry Reding , Philipp Zabel , YT Shen , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Support to async updates of cursors by using the new atomic interface for that. Signed-off-by: Bibby Hsieh Reviewed-by: CK Hu --- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 98 +++++++++++++++++++----- drivers/gpu/drm/mediatek/mtk_drm_crtc.h | 2 + drivers/gpu/drm/mediatek/mtk_drm_plane.c | 47 ++++++++++++ drivers/gpu/drm/mediatek/mtk_drm_plane.h | 2 + 4 files changed, 128 insertions(+), 21 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index 4bc52346093d..e887a6877bcd 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -41,12 +41,16 @@ struct mtk_drm_crtc { struct drm_plane *planes; unsigned int layer_nr; bool pending_planes; + bool pending_async_planes; void __iomem *config_regs; const struct mtk_mmsys_reg_data *mmsys_reg_data; struct mtk_disp_mutex *mutex; unsigned int ddp_comp_nr; struct mtk_ddp_comp **ddp_comp; + + /* lock for display hardware access */ + struct mutex hw_lock; }; struct mtk_crtc_state { @@ -415,6 +419,63 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc) } mtk_crtc->pending_planes = false; } + + if (mtk_crtc->pending_async_planes) { + for (i = 0; i < mtk_crtc->layer_nr; i++) { + struct drm_plane *plane = &mtk_crtc->planes[i]; + struct mtk_plane_state *plane_state; + + plane_state = to_mtk_plane_state(plane->state); + + if (!plane_state->pending.async_config) + continue; + + comp = mtk_drm_ddp_comp_for_plane(crtc, plane, + &local_layer); + + if (comp) + mtk_ddp_comp_layer_config(comp, local_layer, + plane_state); + plane_state->pending.async_config = false; + } + mtk_crtc->pending_async_planes = false; + } +} + +static void mtk_drm_crtc_hw_config(struct mtk_drm_crtc *mtk_crtc) +{ + struct drm_crtc *crtc = &mtk_crtc->base; + struct mtk_drm_private *priv = crtc->dev->dev_private; + unsigned int pending_planes = 0, pending_async_planes = 0; + int i; + + mutex_lock(&mtk_crtc->hw_lock); + for (i = 0; i < mtk_crtc->layer_nr; i++) { + struct drm_plane *plane = &mtk_crtc->planes[i]; + struct mtk_plane_state *plane_state; + + plane_state = to_mtk_plane_state(plane->state); + if (plane_state->pending.dirty) { + plane_state->pending.config = true; + plane_state->pending.dirty = false; + pending_planes |= BIT(i); + } else if (plane_state->pending.async_dirty) { + plane_state->pending.async_config = true; + plane_state->pending.async_dirty = false; + pending_async_planes |= BIT(i); + } + } + if (pending_planes) + mtk_crtc->pending_planes = true; + if (pending_async_planes) + mtk_crtc->pending_async_planes = true; + + if (priv->data->shadow_register) { + mtk_disp_mutex_acquire(mtk_crtc->mutex); + mtk_crtc_ddp_config(crtc); + mtk_disp_mutex_release(mtk_crtc->mutex); + } + mutex_unlock(&mtk_crtc->hw_lock); } int mtk_drm_crtc_plane_check(struct drm_crtc *crtc, struct drm_plane *plane, @@ -429,6 +490,20 @@ int mtk_drm_crtc_plane_check(struct drm_crtc *crtc, struct drm_plane *plane, return 0; } +void mtk_drm_crtc_async_update(struct drm_crtc *crtc, struct drm_plane *plane, + struct drm_plane_state *new_state) +{ + struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc); + const struct drm_plane_helper_funcs *plane_helper_funcs = + plane->helper_private; + + if (!mtk_crtc->enabled) + return; + + plane_helper_funcs->atomic_update(plane, new_state); + mtk_drm_crtc_hw_config(mtk_crtc); +} + static void mtk_drm_crtc_atomic_enable(struct drm_crtc *crtc, struct drm_crtc_state *old_state) { @@ -510,34 +585,14 @@ static void mtk_drm_crtc_atomic_flush(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state) { struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc); - struct mtk_drm_private *priv = crtc->dev->dev_private; - unsigned int pending_planes = 0; int i; if (mtk_crtc->event) mtk_crtc->pending_needs_vblank = true; - for (i = 0; i < mtk_crtc->layer_nr; i++) { - struct drm_plane *plane = &mtk_crtc->planes[i]; - struct mtk_plane_state *plane_state; - - plane_state = to_mtk_plane_state(plane->state); - if (plane_state->pending.dirty) { - plane_state->pending.config = true; - plane_state->pending.dirty = false; - pending_planes |= BIT(i); - } - } - if (pending_planes) - mtk_crtc->pending_planes = true; if (crtc->state->color_mgmt_changed) for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) mtk_ddp_gamma_set(mtk_crtc->ddp_comp[i], crtc->state); - - if (priv->data->shadow_register) { - mtk_disp_mutex_acquire(mtk_crtc->mutex); - mtk_crtc_ddp_config(crtc); - mtk_disp_mutex_release(mtk_crtc->mutex); - } + mtk_drm_crtc_hw_config(mtk_crtc); } static const struct drm_crtc_funcs mtk_crtc_funcs = { @@ -729,6 +784,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, drm_mode_crtc_set_gamma_size(&mtk_crtc->base, MTK_LUT_SIZE); drm_crtc_enable_color_mgmt(&mtk_crtc->base, 0, false, MTK_LUT_SIZE); priv->num_pipes++; + mutex_init(&mtk_crtc->hw_lock); return 0; } diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h index 6afe1c19557a..a2b4677a451c 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h @@ -21,5 +21,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, unsigned int path_len); int mtk_drm_crtc_plane_check(struct drm_crtc *crtc, struct drm_plane *plane, struct mtk_plane_state *state); +void mtk_drm_crtc_async_update(struct drm_crtc *crtc, struct drm_plane *plane, + struct drm_plane_state *plane_state); #endif /* MTK_DRM_CRTC_H */ diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c index cd7c97eb7ee6..a6a7cb1f4eeb 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c @@ -7,6 +7,7 @@ #include #include #include +#include #include #include @@ -70,6 +71,50 @@ static void mtk_drm_plane_destroy_state(struct drm_plane *plane, kfree(to_mtk_plane_state(state)); } +static int mtk_plane_atomic_async_check(struct drm_plane *plane, + struct drm_plane_state *state) +{ + struct drm_crtc_state *crtc_state; + + if (plane != state->crtc->cursor) + return -EINVAL; + + if (!plane->state) + return -EINVAL; + + if (!plane->state->fb) + return -EINVAL; + + if (state->state) + crtc_state = drm_atomic_get_existing_crtc_state(state->state, + state->crtc); + else /* Special case for asynchronous cursor updates. */ + crtc_state = state->crtc->state; + + return drm_atomic_helper_check_plane_state(plane->state, crtc_state, + DRM_PLANE_HELPER_NO_SCALING, + DRM_PLANE_HELPER_NO_SCALING, + true, true); +} + +static void mtk_plane_atomic_async_update(struct drm_plane *plane, + struct drm_plane_state *new_state) +{ + struct mtk_plane_state *state = to_mtk_plane_state(plane->state); + + plane->state->crtc_x = new_state->crtc_x; + plane->state->crtc_y = new_state->crtc_y; + plane->state->crtc_h = new_state->crtc_h; + plane->state->crtc_w = new_state->crtc_w; + plane->state->src_x = new_state->src_x; + plane->state->src_y = new_state->src_y; + plane->state->src_h = new_state->src_h; + plane->state->src_w = new_state->src_w; + state->pending.async_dirty = true; + + mtk_drm_crtc_async_update(new_state->crtc, plane, new_state); +} + static const struct drm_plane_funcs mtk_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, @@ -158,6 +203,8 @@ static const struct drm_plane_helper_funcs mtk_plane_helper_funcs = { .atomic_check = mtk_plane_atomic_check, .atomic_update = mtk_plane_atomic_update, .atomic_disable = mtk_plane_atomic_disable, + .atomic_async_update = mtk_plane_atomic_async_update, + .atomic_async_check = mtk_plane_atomic_async_check, }; int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.h b/drivers/gpu/drm/mediatek/mtk_drm_plane.h index 760885e35b27..d454bece9535 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.h @@ -22,6 +22,8 @@ struct mtk_plane_pending_state { unsigned int height; unsigned int rotation; bool dirty; + bool async_dirty; + bool async_config; }; struct mtk_plane_state {