Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Guillaume Ranquet <granquet@baylibre.com>
To:     airlied@linux.ie, angelogioacchino.delregno@collabora.com,
        chunfeng.yun@mediatek.com, chunkuang.hu@kernel.org,
        ck.hu@mediatek.com, daniel@ffwll.ch, deller@gmx.de,
        jitao.shi@mediatek.com, kishon@ti.com, krzk+dt@kernel.org,
        maarten.lankhorst@linux.intel.com, matthias.bgg@gmail.com,
        mripard@kernel.org, p.zabel@pengutronix.de, robh+dt@kernel.org,
        tzimmermann@suse.de, vkoul@kernel.org
Cc:     devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org,
        linux-arm-kernel@lists.infradead.org, linux-fbdev@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org,
        linux-phy@lists.infradead.org, markyacoub@google.com
Subject: [PATCH v9 10/22] drm/mediatek: dpi: move dimension mask to SoC config
Date:   Mon, 28 Mar 2022 00:39:15 +0200
Message-Id: <20220327223927.20848-11-granquet@baylibre.com>
In-Reply-To: <20220327223927.20848-1-granquet@baylibre.com>
References: <20220327223927.20848-1-granquet@baylibre.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Add flexibility by moving the dimension mask to the SoC config

Signed-off-by: Guillaume Ranquet <granquet@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 drivers/gpu/drm/mediatek/mtk_dpi.c | 26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 454f8563efae..bf098f36a466 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -127,6 +127,8 @@ struct mtk_dpi_conf {
 	u32 num_output_fmts;
 	bool is_ck_de_pol;
 	bool swap_input_support;
+	/* Mask used for HWIDTH, HPORCH, VSYNC_WIDTH and VSYNC_PORCH (no shift) */
+	u32 dimension_mask;
 	const struct mtk_dpi_yc_limit *limit;
 };
 
@@ -156,30 +158,30 @@ static void mtk_dpi_disable(struct mtk_dpi *dpi)
 static void mtk_dpi_config_hsync(struct mtk_dpi *dpi,
 				 struct mtk_dpi_sync_param *sync)
 {
-	mtk_dpi_mask(dpi, DPI_TGEN_HWIDTH,
-		     sync->sync_width << HPW, HPW_MASK);
-	mtk_dpi_mask(dpi, DPI_TGEN_HPORCH,
-		     sync->back_porch << HBP, HBP_MASK);
+	mtk_dpi_mask(dpi, DPI_TGEN_HWIDTH, sync->sync_width << HPW,
+		     dpi->conf->dimension_mask << HPW);
+	mtk_dpi_mask(dpi, DPI_TGEN_HPORCH, sync->back_porch << HBP,
+		     dpi->conf->dimension_mask << HBP);
 	mtk_dpi_mask(dpi, DPI_TGEN_HPORCH, sync->front_porch << HFP,
-		     HFP_MASK);
+		     dpi->conf->dimension_mask << HFP);
 }
 
 static void mtk_dpi_config_vsync(struct mtk_dpi *dpi,
 				 struct mtk_dpi_sync_param *sync,
 				 u32 width_addr, u32 porch_addr)
 {
-	mtk_dpi_mask(dpi, width_addr,
-		     sync->sync_width << VSYNC_WIDTH_SHIFT,
-		     VSYNC_WIDTH_MASK);
 	mtk_dpi_mask(dpi, width_addr,
 		     sync->shift_half_line << VSYNC_HALF_LINE_SHIFT,
 		     VSYNC_HALF_LINE_MASK);
+	mtk_dpi_mask(dpi, width_addr,
+		     sync->sync_width << VSYNC_WIDTH_SHIFT,
+		     dpi->conf->dimension_mask << VSYNC_WIDTH_SHIFT);
 	mtk_dpi_mask(dpi, porch_addr,
 		     sync->back_porch << VSYNC_BACK_PORCH_SHIFT,
-		     VSYNC_BACK_PORCH_MASK);
+		     dpi->conf->dimension_mask << VSYNC_BACK_PORCH_SHIFT);
 	mtk_dpi_mask(dpi, porch_addr,
 		     sync->front_porch << VSYNC_FRONT_PORCH_SHIFT,
-		     VSYNC_FRONT_PORCH_MASK);
+		     dpi->conf->dimension_mask << VSYNC_FRONT_PORCH_SHIFT);
 }
 
 static void mtk_dpi_config_vsync_lodd(struct mtk_dpi *dpi,
@@ -813,6 +815,7 @@ static const struct mtk_dpi_conf mt8173_conf = {
 	.num_output_fmts = ARRAY_SIZE(mt8173_output_fmts),
 	.is_ck_de_pol = true,
 	.swap_input_support = true,
+	.dimension_mask = HPW_MASK,
 	.limit = &mtk_dpi_limit,
 };
 
@@ -825,6 +828,7 @@ static const struct mtk_dpi_conf mt2701_conf = {
 	.num_output_fmts = ARRAY_SIZE(mt8173_output_fmts),
 	.is_ck_de_pol = true,
 	.swap_input_support = true,
+	.dimension_mask = HPW_MASK,
 	.limit = &mtk_dpi_limit,
 };
 
@@ -836,6 +840,7 @@ static const struct mtk_dpi_conf mt8183_conf = {
 	.num_output_fmts = ARRAY_SIZE(mt8183_output_fmts),
 	.is_ck_de_pol = true,
 	.swap_input_support = true,
+	.dimension_mask = HPW_MASK,
 	.limit = &mtk_dpi_limit,
 };
 
@@ -847,6 +852,7 @@ static const struct mtk_dpi_conf mt8192_conf = {
 	.num_output_fmts = ARRAY_SIZE(mt8173_output_fmts),
 	.is_ck_de_pol = true,
 	.swap_input_support = true,
+	.dimension_mask = HPW_MASK,
 	.limit = &mtk_dpi_limit,
 };
 
-- 
2.34.1