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a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1760202196; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=reH1wt6C0O/eRTa34RKSjvLRXlGuNFKnEeZMMo9A7JQ=; b=sVZQg3/gJfjqG7FKz0sykSngOsgq3sXSPN+vRD++OFN+6ujOD3+LmP1biCjj5HPAlSs7C1 VQBU4aa35jLS+w57CAzDIRMn5VnyHfTZACUE16lhJX/GSfxwqMOjhwKgxsJeMDuwR2SKKw N0Qq6+r3RsPpbSmbY0Hq+psREhU1Q/UhAHnYcM449oX0byjCLj8A6TS1d95CA25gYLCWAr T0pXPkX+LwkBplwloAH8JgOMJpChkcryNrz6/514XyGpXiitFHXeNo1pBO6ptmn3BjyG2I AgyAL9yXz34rgw5PqfQrITaUoxj6Gst5M0/GHEUSDRzeDXGW230FAWpYip1Ojg== To: dri-devel@lists.freedesktop.org Cc: Marek Vasut , Abel Vesa , Conor Dooley , Fabio Estevam , Krzysztof Kozlowski , Laurent Pinchart , Liu Ying , Lucas Stach , Peng Fan , Pengutronix Kernel Team , Rob Herring , Shawn Guo , Thomas Zimmermann , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org Subject: [PATCH 09/39] drm/imx: dc: ed: Rework dc_ed_pec_src_sel() to drop ARRAY_SIZE() use Date: Sat, 11 Oct 2025 18:51:24 +0200 Message-ID: <20251011170213.128907-10-marek.vasut@mailbox.org> In-Reply-To: <20251011170213.128907-1-marek.vasut@mailbox.org> References: <20251011170213.128907-1-marek.vasut@mailbox.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-MBO-RS-META: x1irqcuzz473g53s3tkhqfxd57yd5cqy X-MBO-RS-ID: fef8ea9e8ee343f193d X-Rspamd-Queue-Id: 4ckVLG1ltMz9ssD Rework dc_ed_pec_src_sel() to drop ARRAY_SIZE() use and use new sentinel trailing entry LINK_ID_LAST to stop iterating over src_sels array instead. This allows passing of this array around as OF match data, which will be useful when using this pipeline on i.MX95, which has different src_sels array. Signed-off-by: Marek Vasut --- Cc: Abel Vesa Cc: Conor Dooley Cc: Fabio Estevam Cc: Krzysztof Kozlowski Cc: Laurent Pinchart Cc: Liu Ying Cc: Lucas Stach Cc: Peng Fan Cc: Pengutronix Kernel Team Cc: Rob Herring Cc: Shawn Guo Cc: Thomas Zimmermann Cc: devicetree@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: imx@lists.linux.dev Cc: linux-arm-kernel@lists.infradead.org Cc: linux-clk@vger.kernel.org --- drivers/gpu/drm/imx/dc/dc-ed.c | 7 ++++--- drivers/gpu/drm/imx/dc/dc-pe.h | 1 + 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/imx/dc/dc-ed.c b/drivers/gpu/drm/imx/dc/dc-ed.c index 9a141c6aa0812..2fdd22a903dec 100644 --- a/drivers/gpu/drm/imx/dc/dc-ed.c +++ b/drivers/gpu/drm/imx/dc/dc-ed.c @@ -116,6 +116,7 @@ static const enum dc_link_id src_sels[] = { LINK_ID_LAYERBLEND2_MX8QXP, LINK_ID_LAYERBLEND1_MX8QXP, LINK_ID_LAYERBLEND0_MX8QXP, + LINK_ID_LAST /* sentinel */ }; static inline void dc_ed_pec_enable_shden(struct dc_ed *ed) @@ -141,10 +142,10 @@ static inline void dc_ed_pec_div_reset(struct dc_ed *ed) void dc_ed_pec_src_sel(struct dc_ed *ed, enum dc_link_id src) { - int i; + int i = 0; - for (i = 0; i < ARRAY_SIZE(src_sels); i++) { - if (src_sels[i] == src) { + while (src_sels[i] != LINK_ID_LAST) { + if (src_sels[i++] == src) { regmap_write(ed->reg_pec, PIXENGCFG_DYNAMIC, src); return; } diff --git a/drivers/gpu/drm/imx/dc/dc-pe.h b/drivers/gpu/drm/imx/dc/dc-pe.h index 866859403a79d..1e1e04cc39d4b 100644 --- a/drivers/gpu/drm/imx/dc/dc-pe.h +++ b/drivers/gpu/drm/imx/dc/dc-pe.h @@ -33,6 +33,7 @@ enum dc_link_id { LINK_ID_LAYERBLEND1_MX8QXP = 0x22, LINK_ID_LAYERBLEND2_MX8QXP = 0x23, LINK_ID_LAYERBLEND3_MX8QXP = 0x24, + LINK_ID_LAST = 0xffffffff, /* sentinel */ }; enum dc_lb_mode { -- 2.51.0