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[2a02:8440:6341:357e:3074:96af:9642:2]) by smtp.gmail.com with ESMTPSA id v5-20020adfe4c5000000b001edc1e5053esm10400867wrm.82.2022.03.27.15.41.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 27 Mar 2022 15:41:24 -0700 (PDT) From: Guillaume Ranquet 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 16/22] drm/meditek: dpi: Add matrix_sel helper Date: Mon, 28 Mar 2022 00:39:21 +0200 Message-Id: <20220327223927.20848-17-granquet@baylibre.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220327223927.20848-1-granquet@baylibre.com> References: <20220327223927.20848-1-granquet@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220327_154126_839549_6D7D33B3 X-CRM114-Status: GOOD ( 10.43 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add a mtk_dpi_matrix_sel() helper to update the DPI_MATRIX_SET register depending on the color format. Signed-off-by: Guillaume Ranquet --- drivers/gpu/drm/mediatek/mtk_dpi.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 8198d3cf23ac..82f97c687652 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -385,6 +385,25 @@ static void mtk_dpi_config_disable_edge(struct mtk_dpi *dpi) mtk_dpi_mask(dpi, dpi->conf->reg_h_fre_con, 0, EDGE_SEL_EN); } +static void mtk_dpi_matrix_sel(struct mtk_dpi *dpi, enum mtk_dpi_out_color_format format) +{ + u32 matrix_sel = 0; + + switch (format) { + case MTK_DPI_COLOR_FORMAT_YCBCR_422: + case MTK_DPI_COLOR_FORMAT_YCBCR_422_FULL: + case MTK_DPI_COLOR_FORMAT_YCBCR_444: + case MTK_DPI_COLOR_FORMAT_YCBCR_444_FULL: + case MTK_DPI_COLOR_FORMAT_XV_YCC: + if (dpi->mode.hdisplay <= 720) + matrix_sel = 0x2; + break; + default: + break; + } + mtk_dpi_mask(dpi, DPI_MATRIX_SET, matrix_sel, INT_MATRIX_SEL_MASK); +} + static void mtk_dpi_config_color_format(struct mtk_dpi *dpi, enum mtk_dpi_out_color_format format) { @@ -392,6 +411,7 @@ static void mtk_dpi_config_color_format(struct mtk_dpi *dpi, (format == MTK_DPI_COLOR_FORMAT_YCBCR_444_FULL)) { mtk_dpi_config_yuv422_enable(dpi, false); mtk_dpi_config_csc_enable(dpi, true); + mtk_dpi_matrix_sel(dpi, format); if (dpi->conf->swap_input_support) mtk_dpi_config_swap_input(dpi, false); mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_BGR); @@ -399,6 +419,7 @@ static void mtk_dpi_config_color_format(struct mtk_dpi *dpi, (format == MTK_DPI_COLOR_FORMAT_YCBCR_422_FULL)) { mtk_dpi_config_yuv422_enable(dpi, true); mtk_dpi_config_csc_enable(dpi, true); + mtk_dpi_matrix_sel(dpi, format); if (dpi->conf->swap_input_support) mtk_dpi_config_swap_input(dpi, true); mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_RGB); -- 2.34.1 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek