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Tue, 05 May 2020 22:01:57 -0700 (PDT) From: Eizan Miyamoto To: LKML Subject: [PATCH v2] [media] mtk-mdp: Remove states for format checks Date: Wed, 6 May 2020 15:01:37 +1000 Message-Id: <20200506150122.v2.1.If64533ce7519a22cbd584fff07214bcf9cb9260b@changeid> X-Mailer: git-send-email 2.26.2.526.g744177e7f7-goog MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200505_220202_691659_A9792987 X-CRM114-Status: GOOD ( 16.80 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:1042 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -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 -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender 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: Francois Buergisser , Minghsiu Tsai , Andrew-CT Chen , Houlong Wei , Matthias Brugger , Eizan Miyamoto , Enric Balletbo I Serra , linux-mediatek@lists.infradead.org, Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Francois Buergisser The mtk-mdp driver uses states to check if the formats have been set on the capture and output when turning the streaming on, setting controls or setting the selection rectangles. Those states are reset when 0 buffers are requested like when checking capabilities. This patch removes all format checks and set one by default as queues in V4L2 are expected to always have a format set. https://linuxtv.org/downloads/v4l-dvb-apis/uapi/v4l/vidioc-streamon.html https://linuxtv.org/downloads/v4l-dvb-apis/uapi/v4l/vidioc-g-ctrl.html https://linuxtv.org/downloads/v4l-dvb-apis/uapi/v4l/vidioc-g-selection.html Signed-off-by: Francois Buergisser Signed-off-by: Eizan Miyamoto Reviewed-by: Enric Balletbo I Serra --- drivers/media/platform/mtk-mdp/mtk_mdp_core.h | 2 - drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c | 90 +++++++------------ 2 files changed, 34 insertions(+), 58 deletions(-) diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_core.h b/drivers/media/platform/mtk-mdp/mtk_mdp_core.h index bafcccd71f31..dd130cc218c9 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_core.h +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_core.h @@ -28,8 +28,6 @@ #define MTK_MDP_FMT_FLAG_CAPTURE BIT(1) #define MTK_MDP_VPU_INIT BIT(0) -#define MTK_MDP_SRC_FMT BIT(1) -#define MTK_MDP_DST_FMT BIT(2) #define MTK_MDP_CTX_ERROR BIT(5) /** diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c b/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c index 821f2cf325f0..bb9caaf513bc 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c @@ -369,13 +369,6 @@ void mtk_mdp_ctx_state_lock_set(struct mtk_mdp_ctx *ctx, u32 state) mutex_unlock(&ctx->slock); } -static void mtk_mdp_ctx_state_lock_clear(struct mtk_mdp_ctx *ctx, u32 state) -{ - mutex_lock(&ctx->slock); - ctx->state &= ~state; - mutex_unlock(&ctx->slock); -} - static bool mtk_mdp_ctx_state_is_set(struct mtk_mdp_ctx *ctx, u32 mask) { bool ret; @@ -726,11 +719,6 @@ static int mtk_mdp_m2m_s_fmt_mplane(struct file *file, void *fh, ctx->quant = pix_mp->quantization; } - if (V4L2_TYPE_IS_OUTPUT(f->type)) - mtk_mdp_ctx_state_lock_set(ctx, MTK_MDP_SRC_FMT); - else - mtk_mdp_ctx_state_lock_set(ctx, MTK_MDP_DST_FMT); - mtk_mdp_dbg(2, "[%d] type:%d, frame:%dx%d", ctx->id, f->type, frame->width, frame->height); @@ -742,13 +730,6 @@ static int mtk_mdp_m2m_reqbufs(struct file *file, void *fh, { struct mtk_mdp_ctx *ctx = fh_to_ctx(fh); - if (reqbufs->count == 0) { - if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) - mtk_mdp_ctx_state_lock_clear(ctx, MTK_MDP_SRC_FMT); - else - mtk_mdp_ctx_state_lock_clear(ctx, MTK_MDP_DST_FMT); - } - return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); } @@ -758,14 +739,6 @@ static int mtk_mdp_m2m_streamon(struct file *file, void *fh, struct mtk_mdp_ctx *ctx = fh_to_ctx(fh); int ret; - /* The source and target color format need to be set */ - if (V4L2_TYPE_IS_OUTPUT(type)) { - if (!mtk_mdp_ctx_state_is_set(ctx, MTK_MDP_SRC_FMT)) - return -EINVAL; - } else if (!mtk_mdp_ctx_state_is_set(ctx, MTK_MDP_DST_FMT)) { - return -EINVAL; - } - if (!mtk_mdp_ctx_state_is_set(ctx, MTK_MDP_VPU_INIT)) { ret = mtk_mdp_vpu_init(&ctx->vpu); if (ret < 0) { @@ -899,24 +872,21 @@ static int mtk_mdp_m2m_s_selection(struct file *file, void *fh, frame = &ctx->d_frame; /* Check to see if scaling ratio is within supported range */ - if (mtk_mdp_ctx_state_is_set(ctx, MTK_MDP_DST_FMT | MTK_MDP_SRC_FMT)) { - if (V4L2_TYPE_IS_OUTPUT(s->type)) { - ret = mtk_mdp_check_scaler_ratio(variant, new_r.width, - new_r.height, ctx->d_frame.crop.width, - ctx->d_frame.crop.height, - ctx->ctrls.rotate->val); - } else { - ret = mtk_mdp_check_scaler_ratio(variant, - ctx->s_frame.crop.width, - ctx->s_frame.crop.height, new_r.width, - new_r.height, ctx->ctrls.rotate->val); - } + if (V4L2_TYPE_IS_OUTPUT(s->type)) + ret = mtk_mdp_check_scaler_ratio(variant, new_r.width, + new_r.height, ctx->d_frame.crop.width, + ctx->d_frame.crop.height, + ctx->ctrls.rotate->val); + else + ret = mtk_mdp_check_scaler_ratio(variant, + ctx->s_frame.crop.width, + ctx->s_frame.crop.height, new_r.width, + new_r.height, ctx->ctrls.rotate->val); - if (ret) { - dev_info(&ctx->mdp_dev->pdev->dev, - "Out of scaler range"); - return -EINVAL; - } + if (ret) { + dev_info(&ctx->mdp_dev->pdev->dev, + "Out of scaler range"); + return -EINVAL; } s->r = new_r; @@ -989,7 +959,6 @@ static int mtk_mdp_s_ctrl(struct v4l2_ctrl *ctrl) struct mtk_mdp_ctx *ctx = ctrl_to_ctx(ctrl); struct mtk_mdp_dev *mdp = ctx->mdp_dev; struct mtk_mdp_variant *variant = mdp->variant; - u32 state = MTK_MDP_DST_FMT | MTK_MDP_SRC_FMT; int ret = 0; if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE) @@ -1003,17 +972,15 @@ static int mtk_mdp_s_ctrl(struct v4l2_ctrl *ctrl) ctx->vflip = ctrl->val; break; case V4L2_CID_ROTATE: - if (mtk_mdp_ctx_state_is_set(ctx, state)) { - ret = mtk_mdp_check_scaler_ratio(variant, - ctx->s_frame.crop.width, - ctx->s_frame.crop.height, - ctx->d_frame.crop.width, - ctx->d_frame.crop.height, - ctx->ctrls.rotate->val); - - if (ret) - return -EINVAL; - } + ret = mtk_mdp_check_scaler_ratio(variant, + ctx->s_frame.crop.width, + ctx->s_frame.crop.height, + ctx->d_frame.crop.width, + ctx->d_frame.crop.height, + ctx->ctrls.rotate->val); + + if (ret) + return -EINVAL; ctx->rotation = ctrl->val; break; @@ -1090,6 +1057,7 @@ static int mtk_mdp_m2m_open(struct file *file) struct video_device *vfd = video_devdata(file); struct mtk_mdp_ctx *ctx = NULL; int ret; + struct v4l2_format default_format; ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); if (!ctx) @@ -1144,6 +1112,16 @@ static int mtk_mdp_m2m_open(struct file *file) list_add(&ctx->list, &mdp->ctx_list); mutex_unlock(&mdp->lock); + /* Default format */ + memset(&default_format, 0, sizeof(default_format)); + default_format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; + default_format.fmt.pix_mp.width = 32; + default_format.fmt.pix_mp.height = 32; + default_format.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_YUV420M; + mtk_mdp_m2m_s_fmt_mplane(file, &ctx->fh, &default_format); + default_format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; + mtk_mdp_m2m_s_fmt_mplane(file, &ctx->fh, &default_format); + mtk_mdp_dbg(0, "%s [%d]", dev_name(&mdp->pdev->dev), ctx->id); return 0;