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Fri, 12 May 2023 06:12:05 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id v10-20020a5d610a000000b0030647449730sm23461965wrt.74.2023.05.12.06.12.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 May 2023 06:12:05 -0700 (PDT) From: Neil Armstrong Date: Fri, 12 May 2023 15:11:42 +0200 Subject: [PATCH v4 11/13] drm/panel: khadas-ts050: update timings to achieve 60Hz refresh rate MIME-Version: 1.0 Message-Id: <20230512-amlogic-v6-4-upstream-dsi-ccf-vim3-v4-11-2592c29ea263@linaro.org> References: <20230512-amlogic-v6-4-upstream-dsi-ccf-vim3-v4-0-2592c29ea263@linaro.org> In-Reply-To: <20230512-amlogic-v6-4-upstream-dsi-ccf-vim3-v4-0-2592c29ea263@linaro.org> To: Jerome Brunet , Michael Turquette , Stephen Boyd , Kevin Hilman , Martin Blumenstingl , Rob Herring , Krzysztof Kozlowski , Conor Dooley , David Airlie , Daniel Vetter , Philipp Zabel , Vinod Koul , Kishon Vijay Abraham I , Sam Ravnborg Cc: Nicolas Belin , linux-amlogic@lists.infradead.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-phy@lists.infradead.org, Neil Armstrong X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230512_141211_704240_C5FDD1FE X-CRM114-Status: GOOD ( 10.36 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org This updates the panel timings to achieve a clean 60Hz refresh rate. Link: https://lore.kernel.org/r/20221025-ts050-timings-v1-1-5c824bbb24d9@linaro.org Signed-off-by: Neil Armstrong --- drivers/gpu/drm/panel/panel-khadas-ts050.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-khadas-ts050.c b/drivers/gpu/drm/panel/panel-khadas-ts050.c index 1ab1ebe30882..b942a0162274 100644 --- a/drivers/gpu/drm/panel/panel-khadas-ts050.c +++ b/drivers/gpu/drm/panel/panel-khadas-ts050.c @@ -568,7 +568,7 @@ static const struct khadas_ts050_panel_cmd init_code[] = { {0xfb, 0x01}, /* Select CMD1 */ {0xff, 0x00}, - {0xd3, 0x05}, /* RGBMIPICTRL: VSYNC back porch = 5 */ + {0xd3, 0x22}, /* RGBMIPICTRL: VSYNC back porch = 34 */ {0xd4, 0x04}, /* RGBMIPICTRL: VSYNC front porch = 4 */ }; @@ -717,15 +717,15 @@ static int khadas_ts050_panel_disable(struct drm_panel *panel) } static const struct drm_display_mode default_mode = { - .clock = 120000, - .hdisplay = 1088, - .hsync_start = 1088 + 104, - .hsync_end = 1088 + 104 + 4, - .htotal = 1088 + 104 + 4 + 127, + .clock = 160000, + .hdisplay = 1080, + .hsync_start = 1080 + 117, + .hsync_end = 1080 + 117 + 5, + .htotal = 1080 + 117 + 5 + 160, .vdisplay = 1920, .vsync_start = 1920 + 4, - .vsync_end = 1920 + 4 + 2, - .vtotal = 1920 + 4 + 2 + 3, + .vsync_end = 1920 + 4 + 3, + .vtotal = 1920 + 4 + 3 + 31, .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, };