Message ID | 20190124195900.22620-3-jagan@amarulasolutions.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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bh=5Ak/RzbTyrrXIVZkdGtey2LIaf9k4mP2yZqsX+ON3ZQ=; b=B6y6JplbxgCn+dx3OqlIeanz3jjQKCmW5n9R6D4R4hgMLHYKW7IFNrGRU6EgTbtnjo MXA9J2RFeacs8vgmajAT2NNlfF8GEcQ80nOPEMD3dij3d/wHj37IXqfSU7AAgXZjJ4GY Qhf8F/YYwVDOJmv9DBuCTeP4tZLUFp8cg4tUmFd4TVLTZdO4DnkZmV1aVBPpjJtcKVMz l1Fu59a01pCLcyZ54i4iAIF0aQ/z0QCK3n1XIMyKlhxkUZ+o24L8oKLNrkIUcwLk33IP xrQGZpEJskIL/kdAGgL2KX7Ata9eMazSlsjXzSR7AzCvEB5s+U6fteV9fhLf9bsnpbUT s+Lg== X-Gm-Message-State: AJcUukdttgIosrcS4XEutOweWXkhEoUzkvcAkCfw0vx2Ow80/Zy8ZRLW x/GDTGkimbmTnN48Bsf/a9HwcgOYEYI= X-Google-Smtp-Source: ALg8bN70Hto641qCAhjyPHIEGxG0+WOYHri2dEXZu/4KY0n5xb4Bmf7S/rYMO8nj1Duk/+WXrZQc4w== X-Received: by 2002:a63:1d1d:: with SMTP id d29mr7244592pgd.49.1548359967683; Thu, 24 Jan 2019 11:59:27 -0800 (PST) Received: from localhost.localdomain ([115.97.179.75]) by smtp.gmail.com with ESMTPSA id x11sm61637003pfe.72.2019.01.24.11.59.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 24 Jan 2019 11:59:27 -0800 (PST) From: Jagan Teki <jagan@amarulasolutions.com> To: Maxime Ripard <maxime.ripard@bootlin.com>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, Chen-Yu Tsai <wens@csie.org>, Michael Turquette <mturquette@baylibre.com>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com> Subject: [PATCH v6 02/22] drm/sun4i: sun6i_mipi_dsi: Support instruction loop selection Date: Fri, 25 Jan 2019 01:28:40 +0530 Message-Id: <20190124195900.22620-3-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20190124195900.22620-1-jagan@amarulasolutions.com> References: <20190124195900.22620-1-jagan@amarulasolutions.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190124_115929_515127_699932CF X-CRM114-Status: GOOD ( 11.47 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sunxi@googlegroups.com, Jagan Teki <jagan@amarulasolutions.com>, Michael Trimarchi <michael@amarulasolutions.com>, linux-amarula@amarulasolutions.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
drm/sun4i: Allwinner A64 MIPI-DSI support
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diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c index a5fcee750bee..813d5523f1c7 100644 --- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c +++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c @@ -403,6 +403,9 @@ static void sun6i_dsi_setup_inst_loop(struct sun6i_dsi *dsi, { u16 delay = sun6i_dsi_setup_inst_delay(dsi, mode); + regmap_write(dsi->regs, SUN6I_DSI_INST_LOOP_SEL_REG, + DSI_INST_ID_HSC << (4 * DSI_INST_ID_LP11) | + DSI_INST_ID_HSD << (4 * DSI_INST_ID_DLY)); regmap_write(dsi->regs, SUN6I_DSI_INST_LOOP_NUM_REG(0), SUN6I_DSI_INST_LOOP_NUM_N0(50 - 1) | SUN6I_DSI_INST_LOOP_NUM_N1(delay));
Instruction loop selection would require before writing loop number registers, so enable idle, LP11 bits on loop selection register. Reference code available in BSP (from linux-sunxi/ drivers/video/sunxi/disp2/disp/de/lowlevel_sun50iw1/de_dsi.c) (dsi_dev[sel]->dsi_inst_loop_sel.dwval = 2<<(4*DSI_INST_ID_LP11) | 3<<(4*DSI_INST_ID_DLY); Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> --- drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c | 3 +++ 1 file changed, 3 insertions(+)