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[2003:e4:1f1b:d600:f22f:74ff:fe1f:3a53]) by smtp.gmail.com with ESMTPSA id cb14-20020a170906a44e00b00992eabc0ad8sm9875996ejb.42.2023.07.26.11.49.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Jul 2023 11:49:01 -0700 (PDT) From: Thierry Reding To: Laurent Pinchart , Neil Armstrong , Sam Ravnborg , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding Subject: [PATCH 2/3] drm/panel: Relax porches for HannStar HSD101PWW2 Date: Wed, 26 Jul 2023 20:48:56 +0200 Message-ID: <20230726184857.2294570-2-thierry.reding@gmail.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230726184857.2294570-1-thierry.reding@gmail.com> References: <20230726184857.2294570-1-thierry.reding@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, Svyatoslav Ryhel , dri-devel@lists.freedesktop.org, Jon Hunter Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Thierry Reding The porch maximum values for the HannStar HSD101PWW2 are unusually small. Make them a bit larger to allow a more flexibility when overriding the timings in device tree. Unfortunately the datasheet doesn't list porch limits in detail, so this is a bit of guesswork. Signed-off-by: Thierry Reding --- drivers/gpu/drm/panel/panel-simple.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 4badda6570d5..4bab181e9d4b 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -2104,13 +2104,13 @@ static const struct panel_desc hannstar_hsd100pxn1 = { static const struct display_timing hannstar_hsd101pww2_timing = { .pixelclock = { 64300000, 71100000, 82000000 }, .hactive = { 1280, 1280, 1280 }, - .hfront_porch = { 1, 1, 10 }, - .hback_porch = { 1, 1, 10 }, - .hsync_len = { 58, 158, 661 }, + .hfront_porch = { 1, 1, 64 }, + .hback_porch = { 1, 1, 64 }, + .hsync_len = { 58, 158, 553 }, .vactive = { 800, 800, 800 }, - .vfront_porch = { 1, 1, 10 }, - .vback_porch = { 1, 1, 10 }, - .vsync_len = { 1, 21, 203 }, + .vfront_porch = { 1, 1, 32 }, + .vback_porch = { 1, 1, 32 }, + .vsync_len = { 1, 21, 159 }, .flags = DISPLAY_FLAGS_DE_HIGH, }; -- 2.41.0