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Mon, 02 Sep 2024 20:23:01 -0700 (PDT) From: Dmitry Baryshkov Date: Tue, 03 Sep 2024 06:22:54 +0300 Subject: [PATCH v6 11/15] drm/msm/dpu: make dpu_format_populate_addrs return void MIME-Version: 1.0 Message-Id: <20240903-dpu-mode-config-width-v6-11-617e1ecc4b7a@linaro.org> References: <20240903-dpu-mode-config-width-v6-0-617e1ecc4b7a@linaro.org> In-Reply-To: <20240903-dpu-mode-config-width-v6-0-617e1ecc4b7a@linaro.org> To: Rob Clark , Abhinav Kumar , Sean Paul , Marijn Suijten , David Airlie , Daniel Vetter Cc: Abel Vesa , Johan Hovold , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Dmitry Baryshkov X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=6556; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=a5YA8kACmUxKYMvgtfD3Fq4LeNyE8luDzWDo6+BmD4A=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBm1oEM8OcZxI5bpAzLdNY54tTkPNftNTdkiKfh3 lBMJrBGKnCJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZtaBDAAKCRCLPIo+Aiko 1W2uB/wKOAr5v55fqCfpkkEHSiCrgHg+oaUC4J0w0jNenqrAcG69R0J7ITByRh8QGM+zAzHwjup AmdwjnuqH8/BZiaAxc20y3gZBiW3g8yyFee1CfyI+BewRJaAziwnG3jpclJgYT9Sc7dbf3HaSs9 140VEx6iGol1pVGF/VMCiz34Sbd2cxohDGOPIz4q41w04zJWkxaSdyDP7afKKatqeqLFIc/r5Ze CwrGs//dn1cKKHhfHIpta+dOd9fw7rvI249FaUYuMlZdagQpaEZhWrOl77WNBmPOKTpwunrosHb TJoSMKpr7JoPv0qCkkQDWXPOttS/B8081LMuIKRtA1TzMNP1 X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The function msm_framebuffer_iova() can not fail, it always returns a valid address. Drop the useless checks (that were already performed at the time) and make dpu_format_populate_addrs() return void. Reviewed-by: Abhinav Kumar Signed-off-by: Dmitry Baryshkov --- .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c | 6 +-- drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c | 62 +++++----------------- drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h | 10 ++-- drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 14 ++--- 4 files changed, 21 insertions(+), 71 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c index ede926d30285..30d87ff3c227 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c @@ -585,11 +585,7 @@ static void dpu_encoder_phys_wb_prepare_wb_job(struct dpu_encoder_phys *phys_enc return; } - ret = dpu_format_populate_addrs(aspace, job->fb, &wb_cfg->dest); - if (ret) { - DPU_DEBUG("failed to populate layout %d\n", ret); - return; - } + dpu_format_populate_addrs(aspace, job->fb, &wb_cfg->dest); wb_cfg->dest.width = job->fb->width; wb_cfg->dest.height = job->fb->height; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c index abe3a1c0e409..095bb947f1ff 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c @@ -277,25 +277,15 @@ int dpu_format_populate_plane_sizes( return _dpu_format_populate_plane_sizes_linear(fmt, fb, layout); } -static int _dpu_format_populate_addrs_ubwc( - struct msm_gem_address_space *aspace, - struct drm_framebuffer *fb, - struct dpu_hw_fmt_layout *layout) +static void _dpu_format_populate_addrs_ubwc(struct msm_gem_address_space *aspace, + struct drm_framebuffer *fb, + struct dpu_hw_fmt_layout *layout) { const struct msm_format *fmt; uint32_t base_addr = 0; bool meta; - if (!fb || !layout) { - DRM_ERROR("invalid pointers\n"); - return -EINVAL; - } - base_addr = msm_framebuffer_iova(fb, aspace, 0); - if (!base_addr) { - DRM_ERROR("failed to retrieve base addr\n"); - return -EFAULT; - } fmt = msm_framebuffer_format(fb); meta = MSM_FORMAT_IS_UBWC(fmt); @@ -330,7 +320,7 @@ static int _dpu_format_populate_addrs_ubwc( + layout->plane_size[2] + layout->plane_size[3]; if (!meta) - return 0; + return; /* configure Y metadata plane */ layout->plane_addr[2] = base_addr; @@ -361,60 +351,36 @@ static int _dpu_format_populate_addrs_ubwc( layout->plane_addr[1] = 0; if (!meta) - return 0; + return; layout->plane_addr[2] = base_addr; layout->plane_addr[3] = 0; } - return 0; } -static int _dpu_format_populate_addrs_linear( - struct msm_gem_address_space *aspace, - struct drm_framebuffer *fb, - struct dpu_hw_fmt_layout *layout) +static void _dpu_format_populate_addrs_linear(struct msm_gem_address_space *aspace, + struct drm_framebuffer *fb, + struct dpu_hw_fmt_layout *layout) { unsigned int i; /* Populate addresses for simple formats here */ - for (i = 0; i < layout->num_planes; ++i) { + for (i = 0; i < layout->num_planes; ++i) layout->plane_addr[i] = msm_framebuffer_iova(fb, aspace, i); - if (!layout->plane_addr[i]) { - DRM_ERROR("failed to retrieve base addr\n"); - return -EFAULT; - } - } - - return 0; } -int dpu_format_populate_addrs( - struct msm_gem_address_space *aspace, - struct drm_framebuffer *fb, - struct dpu_hw_fmt_layout *layout) +void dpu_format_populate_addrs(struct msm_gem_address_space *aspace, + struct drm_framebuffer *fb, + struct dpu_hw_fmt_layout *layout) { const struct msm_format *fmt; - int ret; - - if (!fb || !layout) { - DRM_ERROR("invalid arguments\n"); - return -EINVAL; - } - - if ((fb->width > DPU_MAX_IMG_WIDTH) || - (fb->height > DPU_MAX_IMG_HEIGHT)) { - DRM_ERROR("image dimensions outside max range\n"); - return -ERANGE; - } fmt = msm_framebuffer_format(fb); /* Populate the addresses given the fb */ if (MSM_FORMAT_IS_UBWC(fmt) || MSM_FORMAT_IS_TILE(fmt)) - ret = _dpu_format_populate_addrs_ubwc(aspace, fb, layout); + _dpu_format_populate_addrs_ubwc(aspace, fb, layout); else - ret = _dpu_format_populate_addrs_linear(aspace, fb, layout); - - return ret; + _dpu_format_populate_addrs_linear(aspace, fb, layout); } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h index 2f2bff14c0db..256ca25c37a0 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h @@ -37,14 +37,10 @@ static inline bool dpu_find_format(u32 format, const u32 *supported_formats, * @aspace: address space pointer * @fb: framebuffer pointer * @fmtl: format layout structure to populate - * - * Return: error code on failure, -EAGAIN if success but the addresses - * are the same as before or 0 if new addresses were populated */ -int dpu_format_populate_addrs( - struct msm_gem_address_space *aspace, - struct drm_framebuffer *fb, - struct dpu_hw_fmt_layout *fmtl); +void dpu_format_populate_addrs(struct msm_gem_address_space *aspace, + struct drm_framebuffer *fb, + struct dpu_hw_fmt_layout *layout); int dpu_format_populate_plane_sizes( struct drm_framebuffer *fb, diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c index 39ceb7b65318..df95377b98fc 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -684,17 +684,9 @@ static int dpu_plane_prepare_fb(struct drm_plane *plane, return ret; } - /* validate framebuffer layout before commit */ - ret = dpu_format_populate_addrs(pstate->aspace, - new_state->fb, - &pstate->layout); - if (ret) { - DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret); - if (pstate->aspace) - msm_framebuffer_cleanup(new_state->fb, pstate->aspace, - pstate->needs_dirtyfb); - return ret; - } + dpu_format_populate_addrs(pstate->aspace, + new_state->fb, + &pstate->layout); return 0; }